City and County of Honolulu News Releases

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CITY CONTINUES ENGINEERING WORK IN EAST KAPOLEI AND WAIPAHU    (Mon., Sept. 20, 2010)—As part of the preliminary engineering work for the Honolulu Rail Transit Project, the City & County of Honolulu will conduct shaft testing in East Kapolei beginning Tuesday and later in Waipahu. During this time, current soil testing for the project will continue along Farrington Highway.   The shaft and soil testing will provide important data that will be used in the design of the first 6.5-miles of guideway for the rail transit route between East Kapolei and Pearl City. Kiewit Infrastructure West Co., selected to design and construct the first segment of the rail route, has been authorized by the City to conduct the shaft testing.   "I am pleased to see continued progress with the Honolulu Rail Transit Project," said City Department of Transportation Services Director Wayne Y. Yoshioka. "The shaft and soil testing will provide key information to help properly design the guideway."   There are eight shaft testing locations along or adjacent to Farrington Highway.  Work at each location is scheduled to take approximately six weeks and all work is slated to be completed by late January 2011.   Work along Farrington Highway will require some day and nighttime lane closures during non-peak traffic hours between 8:30 a.m. to 3 p.m., and 6 p.m. to 6 a.m. One lane of traffic in each direction will remain open.   The public will be notified in advance of detours and change of access with traffic control signs, and special duty police officers to direct traffic at affected intersections.   Motorists using Farrington Highway in Waipahu are advised to anticipate possible traffic delays or take alternative routes.   For updates on work days and times, check the project website at www.honolulutransit.org or contact our hotline at 566-2299.                                                                           # # # Media Contact: Scott Ishikawa – 768-6172

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Mon, 20 Sep 2010 19:00:00 -0500

Based on data through 2330 UTC September 20 2010.

Much of the aloha state is sunny to partly cloudy this early afternoon. Low ceilings are mainly concentrated in mauka and windward upslope areas from Kauai to Maui. The Big Island is seeing the most cloudiness, especially in windward coastal sections and over the mountain slopes below 7000 feet, except in leeward Kohala where skies are scattered as of bulletin time, and upslope from Apua Point where conditions are nearly clear. Low cloud movement is from the east-northeast between 15 and 20 mph.

In the adjacent coastal waters, showery broken low cloudiness is evident southeast clockwise through southwest of the Big Island. Most of these clouds are remnants from an old frontal boundary. Scattered to broken low clouds are farther to the west of the Big Island and south of Oahu. Conditions are clear to scattered elsewhere.

The remnant low clouds associated with the old front, as mentioned above, are currently northeast and east of the Big Island and within 70 miles either side of a line from 26.5°N 137.5°W to 24.5°N 143.5°W to 21.5°N 149°W to 18°N 154.5°W. The cloudiness as a whole has been nearly stationary since this morning.

Looking aloft above 25 thousand feet, the axis of a northeast to southwest oriented trough is along a line from 30°N 146°W to 27°N 150°W to just over Maui county to 19°N 158°W. The trough has slowed over the past several hours, becoming nearly stationary just south of the isles. The northern portion of the system has recently been heading toward the east and southeast near 10 mph.

Convection continues to fire along the intertropical convergence zone far south of Hawaii. The unorganized showers and thunderstorms are mainly located from 08°N to 12.5°N between 124°W and 156°W, and from 05°N to 11°N between 162°W and 174°E.

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KINEL

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Mon, 20 Sep 2010 13:00:00 -0500

Based on data through 1730 UTC September 20 2010.

Low cloud ceilings this morning are prevalent over windward and mauka sections of the individual isles, with some of the broken low cloudiness making into leeward areas of the smaller isles and west Maui. Leeward portions of east Maui and the Big Island are clear to partly cloudy, as are the western thirds of Oahu and Kauai. Low cloud motion is from the east-northeast between 15 and 20 mph.

Cloudiness from an old frontal boundary is causing occasional low ceilings north clockwise through south of the Big Island. Broken low clouds are also producing ceilings immediately north and southwest of Maui county, and south of Oahu. Skies are otherwise clear to scattered in the adjacent coastal waters.

Most of the broken to overcast low clouds associated with the old front, as alluded to above, are within 75 miles either side of a line from 27°N 134.5°W to 26°N 140°W to 22°N 148.5°W to 16.5°N 155.5°W. Some of the cloudiness around the Big Island and Maui county had been more directly associated with the front yesterday and last night.

In the upper air above 25 thousand feet, the axis of a northeast to southwest oriented trough is along a line from 30°N 147°W to 24°N 154°W to just over Oahu to 19°N 157°W. The system appears to be moving toward the east and southeast at 10 to 15 mph.

Unorganized showers and thunderstorms are firing along the intertropical convergence zone far south of Hawaii. Most of the convection is occurring from 05°N to 11°N.

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KINEL

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Mon, 20 Sep 2010 00:30:00 -0500

Based on data through 0500 UTC September 20 2010.

There has been little change in cloud cover around the main Hawaiian islands since this afternoon as clouds from the trailing end of a cold front continue moving over the islands in the trade-wind flow.

Clouds are scattered over Niihau. Showery, broken to overcast low clouds cover windward areas from Kauai to Maui, and broken low clouds are spreading leeward on Oahu, Molokai and Lanai. Broken to overcast clouds cover most lowland areas of the Big Island of Hawaii but clouds are isolated along the coast near Cape Kumukahi and between Volcano and Pahala. Skies are clear over the interior of the Big Island above about 5500 feet of elevation.

Low clouds near the main Hawaiian islands are moving from the northeast at 20 to 25 mph. There are scattered to broken low clouds upstream of the islands from Kauai to Molokai and broken to overcast low clouds upstream of Maui and the Big Island. The clouds over Maui and the Big Island are part of the trailing end of a frontal band. The 150 mile wide band of showery, broken to overcast low clouds lies southeast of a line from 26°N 140°W, to 21.5°N 150°W, to 22.5°N 154°W, across Maui to 135 miles south of Kauai to 21°N 165°W. The band has been nearly stationary over the past several hours but a bulge along the northwest edge of the band is moving southwest at 15 mph. This area of showery cumulus clouds is moving over the Big Island and Maui and could spread over Molokai.

A 200 mile wide band of showery, broken to overcast low clouds is centered from 19°N 171°W to 25°N 173°W. This cloud area continues moving toward the west at 20 mph.

An unusual double cloud band persists in the deep tropics south of the Hawaiian islands. A 300 to 400 mile wide band of broken layered clouds, scattered tcu, and isolated cb lies south of a line from 10°N 140°W to 12°N 150°W to 09°N 160°W to 09°N 176°W. There may be a small low around 150°W where the band bulges northward, but if so, the low is not very easy to find on infrared imagery. A weaker 200 mile wide band of showery broken low clouds and scattered tcu is centered from 14°N 140°W to 12°N 172°W.

Water vapor imagery, which shows features mainly above 24000 ft, shows a trough aloft centered from a cyclone at 30°N 150°W through another low at 26°N 156°W to 24°N 160°W. An anticyclone aloft is centered 680 miles west northwest of Kauai near 26°N 170°W.

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DONALDSON

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sun, 19 Sep 2010 19:30:00 -0500

Based on data through 0000 UTC September 20 2010.

High pressure remains northwest of the main Hawaiian islands this morning and is driving moderate to fresh northeast winds across the state. The central part of the high is far northwest of the area around 34°N 173°W while a weakening secondary ridge extends southeast from the high center to around 27°N 166°W. A ragged band of broken stratus clouds from a dissipating trough runs east to west between these two points from 157°W to 173°W. A few cirrus cloud bands are also in this area due to an associated weak trough aloft.

Further to the south, another 150 to 200 miles wide band of broken to overcast stratus clouds extends along an axis from 19°N 155°W to near the southern California coast. This moisture band is from a dissipating front which is getting trained to the southwest by the northeast trade winds. Isolated showers and scattered to broken stratocumulus and cumulus clouds are moving across the main Hawaiian islands to the southwest at 15 to 20 mph. Most of the showers are concentrated over windward and mauka areas of the main Hawaiian islands. Over land, Kauai has broken cumulus clouds over the most of the interior with a few breaks along the coasts. Oahu has cloud build ups on the Koolau and central parts of the island. Molokai, Lanai and Maui are covered with broken low clouds up to 8 kft in elevation. The Big Island is broken to overcast across Kau, Kona and Kohala areas. Scattered clouds are present over the rest of the lower slopes and the summits above 8 kft in elevation are sunny.

Far south of the Hawaiian islands, in the ITCZ, widely scattered thunderstorms persist from 06°N to 12°N across the central Pacific basin. A disorganized low centered at 09°N 147°W is enhancing a bit of the areal coverage and intensity of these thunderstorms at times. Cloud tops reach to 49 kft in the vertical throughout the ITCZ.

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FOSTER

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sun, 19 Sep 2010 13:30:00 -0500

Based on data through 1800 UTC September 19 2010.

High pressure remains northwest of the main Hawaiian islands this morning and is driving moderate to fresh northeast winds across the state. The central part of the high is far northwest of the area around 35°N 168°W while a weakening secondary ridge extends south from the high center to around 29°N 167°W and moisture from a dissipating trough runs southwest to northeast between these two points. Infrared satellite shows a ragged band of broken stratus clouds between 24°N to 33°N and 147°W to 177°W. A few cirrus cloud bands are also in this area due to a weak upper trough with an axis from 35°N 167°W to 25°N 174°E.

Further to the south, another band of broken to overcast stratus clouds extends along a 150 mile wide axis from 18°N 155°W to near the southern California coast. This moisture band is from a dissipating front which is getting trained to the southwest by the northeast trade winds. Much of this moisture reached the main Hawaiian islands overnight and continue this morning. Scattered showers and broken stratus and stratocumulus clouds are moving across the main Hawaiian islands to the southwest at 20 mph. Most of the showers are concentrated over windward and mauka areas on Molokai through Kauai. Over land, Kauai, Oahu, Lanai and Molokai have broken to overcast clouds over the island interiors as well as the surrounding coastal waters. Maui has broken to overcast low clouds across windward portions of the island up to 8 kft in elevation while leeward sides of Maui are mostly sunny. The Big Island has some small patches of broken low clouds over the north Kohala, Hilo and near South Point.

Far south of the Hawaiian islands, in the ITCZ, moderate thunderstorms persist from 05°N to 11°N across the central Pacific basin. A disorganized low centered at 08°N 17°W is enhancing a bit of the areal coverage and intensity of these thunderstorms at times. Cloud tops reach to 50 kft in the vertical throughout the ITCZ.

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FOSTER

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Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sun, 19 Sep 2010 07:30:00 -0500

Based on data through 1200 UTC September 19 2010.

Cloud cover around the main Hawaiian islands has increased considerably since last evening since the remnant of a front is moving over the islands from the northeast.

Clouds are isolated over Niihau and Lanai. Broken to overcast low clouds cover windward areas from Kauai to Maui, and some of the low clouds are spreading over central Kauai and Oahu and completely across Molokai. Overcast low clouds cover the coast and lower slopes of the Big Island of Hawaii from Upolu Point to Hilo to Apua Point, and from Milolii to Kailua town. Skies are clear elsewhere on the Big Island.

Low clouds near the main Hawaiian islands are moving from the northeast around 20 mph. There are showery broken to overcast low clouds upstream of all of the islands.

A band of showers along the trailing end of a front is moving over the main Hawaiian islands from the northeast. The band lies north of a line from 60 miles southwest of Kauai, over the islands from Kauai to the Big Island, to 20°N 150°W, to 23°N 140°W. The part of the band over the main Hawaiian islands is about 150 miles wide, while the part northeast of the islands is around 200 miles wide. The band contains a mix of stable stratocumulus clouds and showery cumulus clouds with tops to 9000 ft. The part of the band over the islands has been moving toward the southwest at 15 to 20 mph, while the part northeast of the islands has been moving toward the south around 10 mph.

The shower area that moved over the main Hawaiian islands Friday night through Saturday afternoon persists as a 200 mile wide area of overcast low clouds centered along a line from 300 miles southwest of Kauai to 24°N 168°W. This cloud area has been moving toward the west at 20 mph.

West of Johnston islands is a 150 mile wide band of showery overcast low clouds, scattered towering cumulus clouds, tcu, and isolated cumulonimbus clouds, cb, in the shape of an upside-down v. The band is centered from 17°N 137°W to 19°N 177°W to 17°N 180°W. This band has been moving toward the west at 20 to 25 mph.

There is an unusual double cloud band in the deep tropics south of the Hawaiian islands. A band of broken layered clouds, scattered tcu, and isolated cb lies south of a line from 10°N 140°W to 10°N 170°W. The band is between 400 and 500 miles wide. The most active cb are between 144°W and 150°W and may be associated with a weak low. A 200 to 250 mile wide band of showery broken low clouds and scattered tcu is centered from 14°N 140°W to 14°N 165°W.

Water vapor imagery, which shows features mainly above 24000 ft, shows a cyclone aloft about 850 miles northeast of the main Hawaiian islands near 29°N 146°W. A trough extends southwest from the low to 24°N 148°W. An anticyclone aloft is centered 357 miles west northwest of Kauai near 25°N 167°W.

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DONALDSON

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