Hawaiian Islands Satellite Interpretation Message
Thu, 06 Jan 2011 23:30:00 -0600
Based on data through 0500 UTC January 07 2011.
A deep low pressure system is centered at 31°N 149°W and traveling east at 15 mph this evening. The associated cold front extends from 33°N 147°W to 26°N 147°W to 21°N 157°W to 19°N 172°W. A 120 mile wide band of overcast stratus clouds is directly to the south and east of the boundary. North of 25°N, the cloud band becomes layered with embedded thunderstorms and is also moving east at 15 mph. Cloud top heights range are mostly around 35 kft in height, with a few cumulonimbus clouds reaching 47 kft in height. South of 25°N the front is weakening and moving east-southeast at 8 to 10 mph. Low top broken cumulus cover the area behind the front until running into the next system starting west of 155°W.
The upper low with this system can be seen on water vapor centered at 29°N 168°W. A trough at the surface is just to the south of the low. This system is producing a band of layered clouds north of 24°N, west of 155°W and east of 167°W. A ridge of high pressure is west of this system and providing mostly clear skies west of 167°W to the dateline.
The frontal clouds are currently draped across Maui county this evening. No showers are along the front so radar is essentially clear. Patches of broken clouds are observed across the state on infrared satellite and the last visible images. Kauai and Oahu have broken patches over most of the island interior and scattered clouds are observed off the coasts. Maui county has broken to overcast clouds over all four islands and extends across waters to the northeast and southwest. The Big Island has broken clouds over almost the whole island up to 8 kft in elevation where it's mostly clear.
Far south of the state in the ITCZ, broken high clouds remain from dissipated thunderstorms between 05°N to 11°N and 134°W to 153°W. Broken cumulus clouds cover the rest of the area between 05°N to 10°N in the central Pacific basin.
FOSTER
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