Hawaiian Islands Satellite Interpretation Message
Fri, 10 Sep 2010 13:30:00 -0500
Based on data through 1800 UTC September 10 2010.
A broad upper trough connecting an upper low near 25°N 177°E and another one near 39°N 152°W remains stationary west of the islands. The southwesterly upper wind flow east of the trough was carrying fragments of cirrus clouds northeastward. These high clouds were mainly located within a nearly 300 miles wide swath centered between 16°N 170°W and 26°N 158°W. The thickest cirrus was located just west of Kauai. Only a few fairly thin strands along the east edge of the swath were intermittently passing over the state.
In the lower levels of the atmosphere, light to moderate trade winds were carrying numerous small clusters of broken to overcast low clouds through the region. These low clouds were common from 150°W to 170°W, between 20°N and 30°N. East of 150°W, the low clouds were even more numerous and closely bunched together but at the same time, they were more stable.
At 8 am, mostly cloudy skies were noted around the easternmost parts of the Big Island, and along the windward sides of Maui, east Molokai and most of Oahu. Kauai and most elsewhere on the Big Island had mostly sunny skies. But more clouds were headed in from the east toward the islands. The low clouds near the state were moving west near 15 miles an hour.
Scattered thunderstorms along the ITCZ were mainly forming between 07°N and 12°N from 150°W to the dateline.
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