Hawaiian Islands Satellite Interpretation Message
Fri, 12 Nov 2010 06:30:00 -0600
Based on data through 1200 UTC November 12 2010.
Cirrus associated with a band located to the south of Oahu at sunset has punched northward, reinforcing the existing cirrus that has been dissipating over the islands. Therefore, the Hawaiian islands remained obscured this hour.
This band of cirrus extends far to the southwest of the Hawaiian islands, with a distance of 1450 miles, starting at 08°N 178°W. The band initially has a width of 160 miles before expanding to 150 miles either side of a line from 14°N 170°W to 17°N 164°W to 18°N 153°W. The band had contained isolated thunderstorms that have since dissipated.
On satellite, just to the north and west of the cirrus, is the upper level trough axis. The northern extent of the trough cuts just to the north of Kauai. Also, abundant stable low clouds is located between 850 and 1700 miles northeast of Maui.
Thin spots in the cirrus over and upwind of the islands offer a small glimpse for the low clouds beneath. The band of showers northeast of Maui has split into two areas where both will miss the smaller of the Hawaiian islands. The leading edge to the second area of showers is now 260 miles east of the Big Island moving slightly south of west at 20 to 25 mph. In between this gap, are widely scattered low clouds. Weather radar is picking up widely scattered showers riding in with the trade wind flow, affecting mostly the windward and mountain areas.
LAU
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