Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sun, 24 Oct 2010 00:00:00 -0500

Based on data through 0430 UTC October 24 2010.

Skies are predominantly clear to partly cloudy across the island chain this early evening. Occasional broken low cloudiness is favoring windward and mauka sections on the individual isles. The Big Island is seeing the most cloudiness, especially over the mountain slopes, and coastal sections of Kau and south Kona. Low cloud movement is from the east near 20 mph just east of the Big Island and slows to 15 mph moving up the chain to Kauai.

Clouds collapsing off the Big Island are generating low ceilings immediately south and southwest of the isle. Conditions are clear to scattered elsewhere in the adjacent coastal waters.

In the upper air above 25 thousand feet, the axis of a weak northeast-to-southwest oriented trough is about 150 miles southeast of the Big Island and is moving toward the west or west-northwest near 15 mph. A band of high clouds is streaking toward the northeast on the east and southeast flank of the feature. The trough is also helping to ignite isolated thunderstorms from 12°N to 15°N between 152°W and 158°W.

Showers and thunderstorms remain unorganized far south of Hawaii along the intertropical convergence zone. Most of the convection is located from 06°N to 10°N between 129°W and 176°E. Some cells are climbing to over 50 thousand feet as of bulletin time, mainly in the area from 06°N to 08°N between 172°W and 176°W.

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KINEL

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sat, 23 Oct 2010 13:30:00 -0500

Based on data through 1800 UTC October 23 2010.

A weak high pressure center located near 25°N 140°W extends a ridge of high pressure along 25°N that stretches across the central Pacific. South of the ridge, between the equator and 20°N, low clouds are moving 10 to 25 mph toward the west. From 25°N to 30°N, low clouds are moving toward the east at 10 to 20 mph between 140°W to 170°W. From 170°W to the dateline, low clouds are moving 10 to 20 mph toward the northeast as the low level flow turns clockwise around the ridge. Low cloud cover is scattered across most of the area with small patches of broken cloud cover.

The water vapor channel shows zonal flow aloft with the polar and subtropical jet moving west to east across the central Pacific. The polar jet is creating a mass of layered mid and upper level clouds covering the area between 33°N and 40°N.

For the islands, skies are mostly clear over the entire state this morning except partly cloudy skies over windward Kauai, the Koolau mts, extreme eastern Molokai, and windward areas of Maui. Scattered low clouds over the windward waters light are moving along with the light SSE flow. Scattered low clouds over the leeward waters are moving west.

Far south of the islands, isolated thunderstorms are located within the intertropical convergence zone between 7°N to 11°N between 140°W and the dateline.

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MORRISON

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City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Pearl Harbor "Make a Difference Day" this Saturday

FOR IMMEDIATE RELEASE                                                          October 21, 2010   PEARL HARBOR 'MAKE-A-DIFFERENCE DAY' THIS SATURDAY   (Thursday, Oct. 21, 2010) – The Storm Water Quality Branch of the Department of Environmental Services (ENV) is holding the Pearl Harbor "Make-A-Difference Day" this Saturday, Oct. 23 with community volunteers to remove trash and weeds and help educate the public about keeping streams healthy.               More than 200 participants will spend approximately two hours cleaning the banks of Kapakahi Stream and the Puuloa Natural Spring near Blaisdell Park. Volunteers will also demonstrate healthy yard and clean stream practices, including weeding, using native plants and mulching. Free mulch will be provided by Hawaiian Earth Products.               Participants will include sailors from Joint Base Pearl Harbor-Hickam, soldiers and civilians from Wheeler Army Airfield, and volunteers from Hula Halau o Olana, Aiea-Pearl City Business Association, Pearl City Lions Club, GeoTech Solutions, HPD District 3, Waipahu High School, Waipahu Community Coalition and other groups. Additional volunteers are welcome.               Cleanup work will begin at 8:30 a.m. and take approximately two hours. Volunteers will clear weedy overgrowth, amend soil, plant native shrubs and ground cover to stabilize the soil, mulch and gather green waste for disposal.               Supplies and designated trash bag pickup will be coordinated by the City's Adopt-A-Stream and Adopt-A-Block programs. Volunteers should check-in by 8 a.m. near Kapakahi Stream at Waipahu Depot Road, across from the Honolulu Police Academy; or near Puuloa Natural Spring across from Kaluamoi Drive, between Blaisdell Park and HECO Waiau.               Participants should dress to get dirty and bring drinking water, a hat, old shoes and sunscreen. All participants must sign a release form to participate. Release forms are available at cleanwaterhonolulu.com/storm/hero/adopt.html along with more information on ENV storm water community service activities.   -30-   Contact: Iwalani Sato, Storm Water Community Relations Specialist, 780-8872.

City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Halawa District Park hosts Keiki Halloween Costume Contest

FOR IMMEDIATE RELEASE October 22, 2010     Halawa District Park Complex Presents Keiki Halloween Costume Contest               The Department of Parks and Recreation's Halawa Complex employees will host their annual Halloween costume contest on Sunday, October 31, at the Halawa District Park gymnasium, 99-795 Iwaiwa Street.               About 100 children are expected to participate and compete for prizes in five categories.  Judges will make their selections from five age groups:  two years and younger; three to four years; kindergarten through first grade; second through third grades; and fourth through sixth grades.               Registration will begin at 2 p.m., followed by the costume judging.  Each contestant will receive a goodie bag and admission to the Trick-O-Treat Lane.                  The Halloween costume contest is generously presented to the community each year by the dedicated staff of the Halawa Complex, comprised of Halawa District Park, Fern Community Park, Moanalua Community Park, and Moanalua Pool.  For more information, please call 483-7850.                                                                   -30-

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Fri, 22 Oct 2010 07:30:00 -0500

Based on data through 1200 UTC October 22 2010.

Since last evening clouds have decreased over the main Hawaiian islands but increased over water around the islands.

Clouds have become isolated over most areas from Niihau to Maui but there are small patches of broken low clouds over the windward slopes. Radars show only isolated light showers over windward areas except for a few moderate showers over windward east Maui. Skies are clear over most of the Big Island of Hawaii with patchy scattered to broken low clouds along the windward coast from Pepeekeo to just south of Hilo town and from Keahole Point to Upolu Point.

Low clouds east of the Big Island are moving from slightly north of east at 10 to 15 mph. The low level flow veers to east southeast off the windward sides of the islands from the Big Island to Molokai, then backs to east northeast at 10 mph around Oahu and Kauai. Low level flow south of the Big Island continues from slightly north of east at 15 mph. Low clouds are isolated northeast of the islands from the Big Island to Oahu. There are scattered to broken low clouds over the coastal waters southwest of Lanai, southwest of Oahu and south of Kauai and over the Kauai channel. Radars show scattered moderate showers falling from these lines.

Some remnants of an old frontal band remain north of the main Hawaiian islands, north of 25°N between 140°W and 158°W. These areas of low clouds have become a series of poorly defined bands that have stretched out from west southwest to east northeast ahead of a newer frontal band. Features north of the main Hawaiian islands are partly obscured by scattered to broken high, cirrus, clouds.

Water vapor imagery shows a trough aloft from 25°N 140°W, over the Big Island to 15°N 180°E. The trough has been nearly stationary for the past several hours. A jet stream associated with the trough runs from 18°N 180°W to 19°N 175°W to 18°N 160°W to 23°N 140°W. There are broken to overcast cirrus clouds southeast of the jet.

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DONALDSON

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Thu, 21 Oct 2010 19:30:00 -0500

Based on data through 0000 UTC October 22 2010.

Low clouds have increased over the main Hawaiian islands since daybreak, while clouds coverage upstream of the islands has remained the same.

High clouds continue to stream from west to east about 75 miles south of the Big Island due to the upper level wind flow on the south and east side of the upper level trough. The upper level trough that has lingered near the islands for the past several days is still near the islands at 2 pm. The associated upper level low has moved to the northeast over the last six hours, and is about 2300 miles to the north northeast of Honolulu at 2 pm.

As mentioned above, cloud coverage has increased over the main Hawaiian islands over the last six hours, but clouds do not cover as much of the islands as they did 24 hours ago. Just a few clouds are found over Niihau and Kahoolawe this afternoon. On Kauai, scattered clouds cover most of the island. Meanwhile clouds are thickest over the Koolau range on Oahu, but have also spread into the central valley and over the Waianae range. Scattered clouds are found across Molokai and Lanai this afternoon, and over most of the west Maui and Haleakala slopes on Maui. On the Big Island broken clouds cover most of the island. The areas with the fewest clouds are the eastern portion of the Puna district, and the coastal areas of the south Kohala district.

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Thu, 21 Oct 2010 13:30:00 -0500

Based on data through 1800 UTC October 21 2010.

Water vapor imagery continues to show the upper level trough near the south end of the main Hawaiian islands. The associated upper level low is more than 2100 miles north northeast of Honolulu near 45.5°N 134.2°W.

A batch of low clouds moved over Oahu about 6 hours ago, and these clouds continue to cover most of Oahu at 8 am. The area of clouds extends about 25 miles north of Oahu, and about 85 miles to the south. To the south of Oahu, some of the cloud tops are reaching near 24000 feet.

Aside from the clouds over Oahu, the remaining islands have just a few clouds overhead. On Kauai, the clouds are over the eastern third of the island, .while on Molokai, the clouds are forming over Halawa Valley on the east side of the islands. Lanai has clouds along the east facing slopes. Similarly on Maui the clouds are found over the east facing slopes of the west Maui mountains and the east slopes of Haleakala from huelo to Hana to Kipahulu. Just a few clouds are found on the Big Island over the Puna district near Cape Kumukahi.

High clouds are noted to the south of the main Hawaiian islands. The high clouds are moving in the upper level wind flow on the east and south side of the above mentioned upper level trough. The trough is oriented roughly east to west near the islands, with the high clouds about 55 miles south of the Big Island at 8 am.

Itcz thunderstorm activity is noted southwest of the islands this morning. The thunderstorms are south of 15°N and west of 164°W with tops reaching near 51000 feet.

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Thu, 21 Oct 2010 07:30:00 -0500

Based on data through 1200 UTC October 21 2010.

Since last evening cloud cover has decreased over the main Hawaiian islands while clouds have increased over water around the islands.

Clouds are isolated over most areas of the islands from Niihau to Maui but there are broken low clouds over the windward coast and Koolau mountains of Oahu and there are small broken patches over windward Maui. A 10 mile wide line of showery broken to overcast low clouds runs from 20 miles north of Hilo, over Hilo, to Apua Point. There are also showery broken to overcast low clouds along the coast and lower slopes from Milolii to Kawaihae. Radars show scattered light showers over windward Oahu and the windward side of the Big Island and scattered moderate showers over leeward Kohala.

Low clouds off the windward coasts of the main Hawaiian islands are moving from slightly south of east at around 10 mph. Clouds are isolated upstream of the islands except for a 20 mile diameter patch of broken to overcast low clouds just off the windward coast of Oahu. An area of broken low clouds extends 50 miles west northwest from the leeward coast of the Big Island.

An old frontal north of the main Hawaiian islands has fragmented. One 220 mile wide area of overcast low clouds is north of a line from 26.5°N 144°W to 26°N 150°W, a 260 mile wide area of broken low clouds is north of a line from 25.5°N 152.5°W to 25.5°N 160°W, and a 250 mile wide area is north of a line from 25°N 166°W to 25°N 170°W. These cloud areas are nearly stationary.

Water vapor imagery, which shows features mainly above 24000 ft, shows a trough aloft from 26°N 140°W, to just southeast of the Big Island, to 17°N 180°W. The part of the trough near 140°W has been moving toward the east southeast at 20 mph, while the part near the islands has been nearly stationary. A jet stream associated with the trough runs from 13°N 180°W to 19°N 165°W to just south of the Big Island to 24°N 140°W. There are broken to overcast cirrus clouds southeast of the jet.

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DONALDSON

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Thu, 21 Oct 2010 00:30:00 -0500

Based on data through 0500 UTC October 21 2010.

Since mid-afternoon cloud cover has decreased over the main Hawaiian islands and cloud tops have warmed near the Big Island.

Broken to overcast high, cirrus, clouds cover the central part of the Big Island obscuring lower level features. The cirrus clouds are the tops of cumulonimbus clouds that have collapsed over the past couple of hours. Patchy broken low clouds cover most of the parts of the Big Island not obscured by the cirrus but clouds are isolated near Cape Kumukahi and along the leeward coast. Radars show little precipitation remaining on the Big Island, only scattered light showers along the windward coast. There are patchy scattered to broken low clouds over the smaller islands. Radars show little precipitation around the smaller islands either, only isolated light showers along the windward Maui coast from Hana to Pauwela.

Some broken low clouds that developed over the islands during the afternoon have spread offshore to the west of the Big Island, Maui, and Oahu. Otherwise there are very few low clouds over the coastal waters.

A band of showery broken low clouds, the remnant of a frontal band, is north of a line from 28°N 144°W to 25°N 154°W, 360 miles north northeast of the Big Island, to 25°N 160°W, 200 miles north of Kauai, to 23°N 165°W, to 27°N 169.5°W. The band has remained nearly stationary over the past several hours.

Water vapor imagery, which shows features mainly above 24000 ft, shows a trough aloft from 28°N 140°W, to just southeast of the Big Island, to a low aloft near 14°N 178°W. The part of the trough along 30°N has been moving toward the east at 20 mph, while the part near the islands has been moving southeast slowly. A jet stream associated with the trough runs from 14°N 180°W to 13°N 176°W to 17°N 165°W to 17°N 165°W, 150 miles south of the Big Island, to 25°N 140°W. There are broken to overcast cirrus clouds southeast of the jet. There is also an area of scattered to broken cirrus from 23°N to 27°N between 152°W and 165°W.

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DONALDSON

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City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Mayor Carlisle Thanks All Who Helped Win $2.3 million Rail Grant

MAYOR CARLISLE THANKS ALL WHO HELPED WIN $2.3 MILLION RAIL GRANT   (Wed., Oct. 20, 2010)—Mayor Peter Carlisle today expressed his appreciation to everyone who helped Honolulu secure a $2,383,424 federal grant to implement a strategy for creating affordable housing along the City's rail transit line.               "This is wonderful news for our community, and it reflects the hard work and cooperation of many people," Carlisle said. "We are committed to making sure rail transit and Transit Oriented Development projects are done right, and this grant will be a big help."               The Sustainable Community Challenge Planning Grant is being provided by the U.S. Department of Housing and Urban Development. Honolulu received the fifth largest grant amount among the 44 grant recipients. The grants are provided to help communities address local challenges to integrating transportation and housing.   Carlisle thanked HUD, U.S. Senator Daniel Inouye and the other members of Hawaii's congressional delegation who have strongly supported the rail project.               The mayor also expressed his appreciation to former Acting Mayor Kirk Caldwell and the staff of the City departments of Planning and Permitting, Transportation Services, and Community Services for helping prepare the grant application; and to community partners who assisted and/or wrote letters of support, including EAH Housing, Castle and Cooke, Pier Management Hawaii, Kamehameha Schools, Bank of Hawaii, the Trust for Public Lands, the local HUD office, and the Hawaii Housing Finance and Development Corporation. The Federal Transit Administration expects to provide at least $1.55 billion for the rail project, and President Barack Obama's 2011 federal budget includes $55 million for the project. -30-   Media contact: Louise Kim McCoy, Mayor's Office, 768-7798.

City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Mayor Carlisle's Inauguration This Friday

MAYOR CARLISLE'S INAUGURATION THIS FRIDAY   (Wed., Oct. 20, 2010)—Mayor Peter Carlisle's inauguration ceremony will be held this Friday, Oct. 22, in the Mission Memorial Auditorium beside Honolulu Hale.               "I am deeply honored to serve as the 13th elected mayor of the City and County of Honolulu," Carlisle said. "Let's begin this exciting journey together."               Doors to the auditorium will open at 4 pm. Seating will be reserved for special guests, with additional seating available to the public on a first-come, first-served basis. Registration tables will be located at the entrance. A large tent will also be set up nearby and equipped with a wide screen television to accommodate the expected overflow of guests.               The ceremony will begin promptly at 5 pm, and will be broadcast live on `Olelo, Channel 49.               Hawaii Circuit Court Judge R. Mark Browning will administer the oath of office, and First Presbyterian Church of Honolulu Senior Pastor Dan Chun will deliver the invocation.               Jimmy Borges will perform the National Anthem, Cathy Foy will perform Hawai`i Pono`i, Hula Halau Olana will present a Hawaiian cultural performance, and the Society of Seven will provide a special inaugural performance.               Free parking will be available after 4 pm in the Frank F. Fasi Civic Center Parking Structure, which may be entered from South Beretania or Alapai streets.               The Mission Memorial Auditorium is the red-brick, single-storey building closest to the Diamond Head side of Honolulu Hale.               The ceremony is not being held inside Honolulu Hale because the building's interior courtyard is being utilized as an early polling place for the Nov. 2 General Election.   -30-   Media contacts: Louise Kim McCoy, Mayor's Office, 768-7798 Johnny Brannon, Mayor's Office, 768-5767

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Wed, 20 Oct 2010 13:30:00 -0500

Based on data through 1800 UTC October 20 2010.

Water vapor imagery shows an upper level trough over the main Hawaiian islands this morning, which helped to spark some thunderstorms to the east and south of the Big Island. During the pre-dawn hours. Thunderstorms continue to be found at the southern end of the trough and in the ITCZ centered around 10°N. The most active area of thunderstorms are found along a line from 10°N 132°W to 10°N 145°W with cloud tops reaching near 55 thousand feet.

Low clouds upstream of the main Hawaiian islands are moving in from the east between 10 and 15 mph. Most low clouds are found upstream of Oahu to the Big Island, than upstream of Kauai and the Kauai channel. Low clouds are concentrated over the east sides of the islands at 8 am.

On Kauai, a few clouds are found over the eastern third of the island, with skies virtually cloud free over Niihau. On Oahu, low clouds are found over the Koolau range and over the adjacent coast. Low clouds are found over the Halawa Valley on eastern Molokai, with additional clouds found over the western portion of the island as well. On Lanai, clouds are found over the north facing slopes. On Maui, clouds cover the east facing slopes of the west Maui mountains, and are found along the north through east facing slopes of Haleakala from kanaha beach park to Hana to Kipahulu.

On the Big Island, clouds are thickest of the east facing slopes of the Kohala mountains from Hawi to Paauilo. Additional clouds are found over the lower slopes from Laupahoehoe to Cape Kumukahi and inland in the Puna district to the Mountain View area.

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Wed, 20 Oct 2010 07:30:00 -0500

Based on data through 1200 UTC October 20 2010.

Except for patchy high clouds dropping down from the northwest, skies over the smaller islands were mostly clear. The windward side of Kauai near Lihue and the Hana coast were the only places where there were scattered to broken clouds. Except for broken low clouds east of Maui, waters surrounding the islands were clear as well. Cloud tops were for the most part up to 4000 feet.

The overcast clouds that blanketed the Big Island six hours ago were slowly dissipating while rolling offshore in land breezes. Most of the island Sat under broken but steadily decreasing clouds. Cloud tops were up to 12000 feet. Isolated thunderstorms, cb, persisted over the coastal waters east of Hilo. Cb tops were near 38000 feet.

Scattered towering cumulus, tcu, and cb were located south and east of a line that stretched from 16°N 180°W to 15°N 160°W to 260 miles east of Hilo at 20°N 151°W, then to 30°N 142°W. The biggest cb was far southeast of the Big Island at 11°N 144°W. The top of this cb was near 55000 feet. The rest of the cb had tops below 40000 feet.

To the north, a 60 mile wide line of broken low clouds was stationary along a line from 30°N 146°W to 24°N 160°W to 27°N 169°W. These clouds were the remnants of an old cold front.

Water vapor imagery, which looks at features mainly above 24000 ft, showed a trough aloft in an arc from 30°N 144°W to over the Big Island to 17°N 165°W and 17°N 180°W. The unstable airmass accompanying the trough was setting off the showers and thunderstorms east of the Big Island.

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CRAIG

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Wed, 20 Oct 2010 00:30:00 -0500

Based on data through 0500 UTC October 20 2010.

Except for scattered clouds over higher terrain, Kauai Oahu Molokai Sat under clear skies. Adjacent coastal waters were also clear with scattered clouds here and there. The few clouds around had tops near 3000 feet, and were moving to the southwest at around 10 mph.

Overcast clouds blanketed the west Maui mountains, with broken clouds drifting over leeward sections near Lahaina. The northeast facing slopes of mount Haleakala were also covered with overcast clouds that extended offshore to the north some 25 miles. Cloud tops were up to 13000 feet. Except for a small area of broken clouds over Ulupalakua, the rest of Maui was mostly clear.

Except for scattered clouds over the leeward slopes of the Kohala mountains, the Big Island was covered by overcast clouds. Broken to overcast clouds extended about 100 miles northeast and 50 miles southeast of the island. Numerous showers were falling out of the clouds over the ocean, and scattered showers were falling on lower elevations of the island itself. An embedded thunderstorm, cb, was located about 23 miles northeast of Hilo. Cloud tops varied from 13000 feet for the low clouds to 38000 feet for the cb. The clouds over and near Maui and the Big Island were nearly stationary.

Further afield, scattered towering cumulus, tcu, and cb were located south and east of a line from 17°N 180°W to 15°N 160°W to 16°N 150°W then up to 23°N 148°W. The biggest cb were located from 10°N to 11°N between 140°W and 148°W. Cb tops here were near 51000 feet.

To the north, an erratic 60 mile wide line of broken cumulus, cu, and isolated tcu ran from 26°N 152°W to 25°N 163°W to 29°N 170°W. The line, which was the remains of an old cold front, was drifting to the south.

Water vapor imagery, which looks at features mainly above 24000 ft, showed a trough aloft from 25°N 145°W to over the Big Island to 18°N 160°W and 18°N 180°W. The trough was probably responsible for the unstable airmass and the showers and thunderstorms east of the Big Island. Another trough aloft centered from 30°N 149°W to 24°N 155°W was moving to the east southeast at 35 mph.

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CRAIG

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Tue, 19 Oct 2010 19:30:00 -0500

Based on data through 0000 UTC October 20 2010.

There has been a big increase in cloud cover over the main Hawaiian islands since this morning.

Overcast clouds cover most of the Big Island, extending upslope near the summits of Mauna Kea and Mauna Loa. Clouds remain scattered only along the coast and lower slopes from Keahole Point to Upolu Point.radars have been showing locally heavy showers over the southeast slopes of the Big Island between Volcano and Pahala. Broken to overcast clouds also cover most of east Maui. Radars show isolated heavy showers near makena. The weather is les active from Kahului northwestward. Clouds remain scattered over most areas from central Maui to Kauai but there are patchy broken low clouds over the northeast slopes of the west Maui mountains, over the south slopes of Lanai, over the mountains of east Molokai, over both the Koolau and Waianae mountains of Oahu and over the southwest slopes of Kauai. Clouds are isolated over Niihau.

Low clouds around the main Hawaiian islands are moving from the northeast around 10 mph, from a more northerly direction than the typical trade-wind flow. Clouds are very isolated over water around the islands from niiahu to Lanai. A 35 mile wide line of broken low clouds extends 335 miles northeast from over east Maui. Broken to overcast layered clouds extend 90 nm NE of the Big Island. Isolated cumulonimbus clouds, cb, have been popping up just offshore of windward Hawaii.

A 50 to 150 mile wide frontal cloud band lies north of a line from 28.5°N 150°W to 225 miles north of Kauai to 25°N 165°W to 30°N 177°W. The part of the band northeast of 28°N 154°W contains deep overcast layered clouds and isolated cumulonimbus clouds, cb, with tops to 35000 ft. The cb have become less active than they were this morning. The part of the band west of 154°W contains showery broken to overcast low clouds. Over the past 6 hours the part of the frontal band east of 165°W has been moving toward the southeast at 10 mph while the part west of 165°W has been nearly stationary. A series of small vortices has formed along the band since this morning and the band is starting to fragment. One vortex is near 30°N 152°W, one is about 300 miles north of Kauai near 26°N 159°W, and one is near 31°N 180°W.

A 500 mile wide area of broken to overcast layered clouds and isolated embedded cb is southeast of a line from 30°N 149°W, 400 miles east of Hilo to 10°N 155°W. Most of the cb are southeast of a line from 10°N 150°W to 15°N 145°W. Over the past several hours this area has shifted east slowly. In the past few hours the cb north of 15°N have decreased, while those south of 15°N have intensified.

Water vapor imagery, which shows features mainly above 24000 ft, shows a trough aloft from 25°N 146°W over the Big Island to 19°N 160°W to 19°N 180°W. The part of the trough near the islands has been moving toward the southeast at 10 mph. Another trough aloft is centered from 30°N 152°W to 25°N 156°W. The second trough has been moving toward the east southeast at 35 mph.

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DONALDSON

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Tue, 19 Oct 2010 13:30:00 -0500

Based on data through 1800 UTC October 19 2010.

Cloud cover around the main Hawaiian islands has changed little since late last night. Skies remain mostly clear over the islands from Niihau to Maui. Skies are clear over the Big Island of Hawaii except for broken low clouds over the slopes from Hilo town to Kilauea.

A nearly stationary 20 mile wide band of overcast layered clouds and scattered towering cumulus clouds, tcu, lies just off the northeast coast of the Big Island. There are broken low clouds over water over the east side of the Alenuihaha channel and just east of Maui. Otherwise, skies are nearly clear over water close to the main Hawaiian islands.

There are not very many low clouds around the main Hawaiian islands west of Maui to follow on our satellite loops to get cloud motions, but as best i can tell the clouds around the islands from Molokai to Niihau are moving from the east northeast at around 10 mph.

A 125 mile wide frontal cloud band lies north of a line from 35°N 150°W to 370 miles north of Kauai to 30°N 177°W to 29.5°N 180°W. The part of the band northeast of 28°N 154°W contains deep overcast layered clouds and scattered cumulonimbus clouds, cb, with tops to 46000 ft. The part of the band from 154°W to 159°W contains broken layered clouds and isolated cb with tops to 30000 ft. The part of the band west of 150°W contains showery broken to overcast low clouds. Over the past 12 hours the part of the frontal band east of 165°W has been moving toward the southeast at 10 mph while the part west of 165°W has been nearly stationary. A 70 mile wide prefrontal convergence band is centered from 25°N 170°W to 25°N 166°W to 26°N 163°W to 28°N 158°W where it merges with the frontal band. The prefrontal band contains mainly broken low clouds with a couple of cb along the south edge of the band near 162°W. The shear line has been moving southeast at 10 mph.

A 450 mile wide area of broken to overcast layered clouds and isolated embedded cb is southeast of a line from 27°N 147°W to 435 miles east southeast of Hilo to 10°N 156°W. Over the past several hours this area has shifted east slowly and the cb have weakened.

Water vapor imagery, which shows features mainly above 24000 ft, shows a trough aloft from 25°N 149°W over the Alenuihaha channel to 20°N 170°W to 21°N 180°W. The part of the trough near the islands has been moving toward the southeast at 10 mph. Another trough aloft is centered from 30°N 154°W to 26°N 160°W. The second trough has been moving toward the east southeast at 35 mph.

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DONALDSON

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Tue, 19 Oct 2010 07:30:00 -0500

Based on data through 1200 UTC October 19 2010.

Broken to overcast middle clouds with tops near 14000 feet lingered over Oahu. These clouds were leftover from yesterday evening's heavy showers over the Koolau mountains. Few to scattered low clouds with tops ranging from 5000 to 8000 feet were detected over the remaining smaller islands.

Almost all of the clouds that blanketed the Big Island yesterday evening have vanished. The coastal waters east of the Big Island have broken shower-bearing low clouds however, that were moving slowly to the west southwest in light trade winds. There were even several cumulonimbus clouds, cb, along a line from about 100 miles northeast to 50 miles southeast of the Big Island. Low cloud tops were near 9000 feet while cb tops were near 40000 feet. The cb were also moving west southwest at 10 mph.

The cb mentioned above were along the northwestern edge of a large area of isolated cb located south and east of a line from 26°N 146°W to 50 miles southeast of the Big Island to 14°N 162°W. There were several large cb in the area with tops in excess of 55000 feet from 600 to 800 miles southeast of the Big Island.

North and northwest of the islands along a line from 30°N 156°W to 28°N 160°W to 26°N 169°W was an eastward moving cold front. The front consisted of a 100 mile wide band of broken to overcast cumulus, cu, and towering cumulus clouds, tcu. There were also several small cb with tops near 30000 feet along the front northeast of 28°N 160°W.

Water vapor imagery, which displays moisture above 24000 ft, showed a trough aloft from 30°N 143°W to over Maui to 20°N 170°W. The trough was moving to the southeast at 20 mph. Divergent flow aloft southeast of the trough was probably aiding and abetting the cb development southeast of the state.

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CRAIG

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GovDelivery, Inc. (800-439-1420) sending on behalf of NOAA's National Weather Service · 1325 East West Highway · Silver Spring, MD 20910