Hawaiian Islands Satellite Interpretation Message
Sat, 04 Dec 2010 06:30:00 -0600
Based on data through 1200 UTC December 04 2010.
The tail end of an old frontal remnant south of the state has dissipated. The low clouds from the decayed frontal band now blended in with all the other low clouds surrounding the Hawaiian islands. Randomly distributed patches and small clusters of scattered to broken low clouds surrounded the state. Each of these low clouds were separated by fairly generous amounts of clear sky. The low clouds near the islands were moving west near 25 miles an hour.
Water vapor imagery showed an upper level trough extending through 30°N 132°W to 26°N 140°W to 23°N 155°W. The west end of the trough was moving southeast near 35 miles an hour while the east segment was moving due east. A 275 miles wide strand of broken to overcast cirrus Sat immediately south of the trough. The cirrus was centered along a line from 20°N 151°W to 23°N 135°W. This large strand of high clouds was moving east at 50 to 60 miles an hour.
A distinct upper level low was near 25°N 172°E. Two other weaker, nearly indiscernible upper lows were near 21°N 177°W and 30°N 180°E. The unstable air mass in this region was generating widely scattered thunderstorms from 17°N to 31°N between 172°W and 178°E. The thunderstorms south of 23°N were nearly stationary. Those north of 23°N were drifting northward.
Two northwest to southeast aligned bands of broken to overcast layered clouds, each containing a handful of small, isolated thunderstorms, were located from 15°N to 30°N between 162°W and 170°W.
Elsewhere, isolated to widely scattered thunderstorms along the ITCZ were mainly forming between 06°N and 10°N from 135°W to 170°W. Most of the storms had weakened during the night. But some of the highest storm tops were still up near 47000 feet.
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