Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Thu, 14 Oct 2010 13:30:00 -0500

Based on data through 1800 UTC October 14 2010.

High pressure located far north of Hawaii is producing trade winds near the surface across the tropics and subtropics of the central Pacific. Low clouds are moving 10 to 20 mph across the central Pacific as trade winds push the clouds from east to west. From 140°W to 145°W, broken stratocumulus /sc/ can be found before transitioning to scattered sc and cumulus from 145°W to the dateline between 10°N and 27°N.

An upper level trough identified in the water vapor channel extends from north to south along 150°W. The trough is producing broken mid and upper level cirrus from 16°N to 26°N between 140°W and 145°W.

A stalled frontal boundary located along 30°N extends from east to west between 150°W to 175°W. The boundary is creating broken low and mid level clouds with some embedded showers and isolated thunderstorms between 27°N and 30°N.

Over the islands, skies are clear over land from Oahu to the Big Island this morning with a few exceptions of cloudy skies over the Koolau mts, the mountains over extreme NE Molokai, and the eastern lower slopes of Haleakala. Over Kauai, skies are mostly cloudy over the mountains with partly cloudy skies over the windward coast. The southwest coast has mostly clear skies. Coastal waters around the islands have partly cloudy skies.

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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 / Outdoor Warning Sirens To Be Tested Tomorrow

Outdoor Warning Sirens to be tested tomorrow  The City Department of Emergency Management in conjunction with Hawaii State Civil Defense will be the testing outdoor siren warning system in the vicinity of Hauula Beach Park on Oahu tomorrow October 14, 2010 from 9:30 AM until 12:00 PM.  This test is being conducted to ensure that this siren is operating at full power and providing optimal range. Residents and businesses in the surrounding communities may hear several 20-second siren soundings during the testing periods.  Hawaii State Civil Defense funds the purchase and installation of these sirens.  Once they are installed, they are released to the City for monthly testing and emergency activation. --END-- Contact: Peter H. S. Hirai Deputy Director (808) 723-8960 Office

City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Oahu Outdoor Warning Sirens Tested Today

Oahu Outdoor Warning Sirens to be tested today (Wednesday, October 13, 2010) --- The City Department of Facility Maintenance in conjunction with the Department of Emergency Management will be testing Outdoor Siren Warning Systems in the following areas on Oahu today from 9:00 AM until 1:00 PM. Hanauma Bay Makapu'u Beach Park The tests are being conducted to ensure that these sirens are operating at full power and providing optimal range. Residents and businesses in the surrounding communities may hear several 20-second siren soundings during the testing periods. Hawaii State Civil Defense funds the purchase and installation of these sirens.  Once installed they are released to the City for monthly testing and emergency activation. --END-- Media Contact: John M. Cummings III Public Information Officer (808) 723-8957  Office

Hawaiian Islands Satellite Interpretation Message

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

Based on data through 0000 UTC October 14 2010.

A stable trade wind flow with a complex pattern aloft remains over the region.

Low cloud cover and moisture in the trade wind flow over and just east of the main Hawaiian islands are below normal. Mostly few to scattered low clouds east of the islands are travelling from the east at 13 to 20 mph, with the slowest motions observed near Kauai. Satellite-derived precipitable water values range between 1.0 to 1.2 inches, though a dry slot near Oahu has values below 0.9 of an inch. As a result, only scattered low clouds are found over mauka sections of Oahu, while broken low clouds cover windward slopes of the other islands. Scattered to broken low clouds cover leeward slopes of all islands except Oahu.

Stable conditions prevail over the state, as the islands lie under a weakening mid level ridge, and just west of of a broad upper level trough occupying much of the central Pacific. A weak shortwave just northwest of Kauai is dropping into the upper trough and generating a narrow band of scattered altocumulus over the garden isle. The shortwave aloft is having little effect on a weak low level trough moving in the trade wind flow north of Kauai. This trough runs along 27°N 156°W to 23°N 163°W and is marked by scattered to broken cumulus clouds that are skirting just north of Kauai.

To the south and east of the state, a 300 to 400 mile-wide shield of broken high clouds centered from 10°N 152°W to 22°N 140°W extends along the eastern flank of the upper trough. A weak, embedded upper low 225 miles east of the Big Island near 20°N 152°W is triggering a small cluster of isolated thunderstorms with tops to 42 kft about 250 to 400 miles southeast of the Big Island.

A stronger short wave dropping into the the upper level trough is driving a surface front about 450 miles north of Kauai. The front is drifting south slowly and is marked by broken layered clouds with isolated, embedded thunderstorms with tops to 43 kft from 29°N to 30°N between 170°W and 155°W.

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DWROE

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City and County of Honolulu News Releases

You are here:  Main / Customer Services / Public Communications Division / 2010 / Mayor Carlisle To Support Rail Transit In Washington

MAYOR CARLISLE TO SUPPORT RAIL TRANSIT IN WASHINGTON (Tues., Oct. 12, 2010)—Mayor Peter Carlisle and other Honolulu officials will travel to Washington DC tomorrow to express their strong and unified support for the City's rail transit project.             "We are firmly committed to making this project the best that it can be," Carlisle said.             Carlisle, City Council Chairman Todd Apo, Councilmember Ikaika Anderson and Deputy Transportation Director Toru Hamayasu will meet Friday with Federal Transit Administrator Peter Rogoff. The Federal Transit Administration expects to provide at least $1.55 billion for the project in total, and President Barack Obama included $55 million for it in the 2011 federal budget. City Managing Director Douglas Chin will serve as Acting Mayor during Carlisle's absence. Carlisle will remain in contact with his office and staff during the trip. He will return to Honolulu on Saturday. -30- Contact: Jim Fulton, Mayor's Office, 768-6928

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Wed, 13 Oct 2010 07:30:00 -0500

Based on data through 1200 UTC October 13 2010.

Water vapor loop shows an upper level trough just to the east of the Big Island with an axis from 25°N 150°W to 16°N 159°W. Satellite derived winds indicate a 75 mph jet streak on the eastern flank of the trough. An associated surface trough has an axis from 15°N 151°W to 10°N 155°W. This system is producing an area of dense layered clouds with isolated embedded cumulonimbus /cb/ clouds with tops to 45 kft. The clouds are bounded between 08°N to 16°N and to 145°W to 155°W and has decreased in areal coverage over the past six hours. Cirrus clouds from the jet stream run to the northeast of this bounded area.

An area of stratus and stratocumulus clouds are located over the Hawaiian windward and mauka areas and adjacent coastal waters and moving east to west at 10 to 15 mph. These clouds are associated with weak disturbance passing across the state early this morning which is producing occasional showers for the windward sides of the islands. Ir satellite shows most of the clouds and showers concentrated across the smaller main islands at this time. The clouds extend from the islands northward to around 27°N and are bounded at 155°W to the east. Another batch of moisture begins 30 miles upstream of the Big Island is moving from the east towards the windward side. This area of closed cell cumulus clouds is bounded between 20°N to 23°N and 138°W to 155°W and is also traveling to the west at 10 to 15 mph.

Further north is a stationary front is positioned along an axis from 38°N 140°W to 31°N 160°W to 37°N 178°E and is characterized by a 200 mile wide band of overcast stratus clouds. The associated long wave upper trough and mid and high level moisture is producing areas of layered clouds with tops around 30 kft.

Far south of Hawaii in the ITCZ, thunderstorms have decreased over the last six hours. Scattered cb clouds cover an area between 06°N and 14°N along the central Pacific basin. Cloud tops reach to 46 kft in height.

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FOSTER

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Hawaiian Islands Satellite Interpretation Message

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

Based on data through 0500 UTC October 13 2010.

Water vapor loop shows an upper level trough just to the east of the Big Island with an axis from 27°N 146°W to 14°N 159°W. Satellite derived winds indicate a 75 mph jet streak on the eastern flank of the trough. An associated surface trough has an axis from 17°N 151°W to 10°N 155°W. This system is producing a large area of dense layered clouds with isolated embedded cumulonimbus clouds with tops to 45 kft and is bounded between 08°N to 18°N and to 144°W to 156°W. Cirrus clouds from the jet stream run to the northeast of this bounded area.

Upstream of the state, an area of showery cumulus and stratocumulus clouds are located over the Hawaiian windward coastal and offshore waters. These clouds are associated with weak disturbance moving east to west at 10 to 15 mph across the state this evening. The clouds and associated showers are beginning to increase in areal coverage and move over the state. Further north is a stationary front is positioned along an axis from 38°N 142°W to 32°N 164°W to 35°N 178°W as is characterized by a 150 mile wide band of overcast stratus clouds. The associated long wave upper trough and mid and high level moisture is producing areas of layered clouds with tops around 35 kft.

Across the main Hawaiian islands, as mentioned much of the windward waters have broken clouds with embedded showers. Kauai has cumulus clouds over the most of the island this evening. Oahu also has broken clouds with some clearing across the Ewa plain. Molokai has broken clouds across the eastern half of the island with clearing over the western half. Maui has clouds across the leeward side of the island and a few clouds near Hana. The Big Island has overcast cloud build ups over most of the island interior up to 9 kft in elevation.

Far south of Hawaii in the ITCZ, numerous thunderstorms cover an area between 05°N and 14°N along the central Pacific basin. Cloud tops reach to 47 kft in height.

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FOSTER

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