Hawaiian Islands Satellite Interpretation Message
Thu, 13 Jan 2011 23:30:00 -0600
Based on data through 0500 UTC January 14 2011.
A remnant front was nearly indiscernible in the vicinity of the Hawaiian islands this evening. But it appeared to be hidden beneath a nearly 300 miles wide band of broken to overcast layered clouds extending north-northeast from the Big Island. The west edge of this cloud band extended through 30°N 150°W to the north tip of the Big Island. The band was drifting slowly eastward. Isolated thunderstorms remained embedded within the cloud band. A couple of storms were recently noted over the east tip of the Big Island.
Another narrower band of broken to overcast low clouds north of Kauai was drifting northward. This northeast to southwest oriented band ranged from 80 to 135 miles wide and was centered between 31°N 151°W and 20°N 166°W. Isolated thunderstorms were also forming along this band along a line from 23.5°N 160°W to 26°N 155°W.
A rather ill-defined upper level trough was skirting the area just north of the state and keeping the air mass unstable. The trough axis extended through 30°N 151°W to 21°N 155.5°W. The trough was migrating eastward near 25 miles an hour.
While the eastern two thirds of the Big Island was cloudy to mostly cloudy around sunset, the rest of the state had partly cloudy skies mixed in with some mostly cloudy and mostly clear areas.
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