Hawaiian Islands Satellite Interpretation Message
Sat, 22 Jan 2011 18:00:00 -0600
Based on data through 2330 UTC January 22 2011.
Low ceilings this early afternoon are mainly occurring over windward and mauka sections on the individual isles. Broken low cloudiness is also evident over the western third of Kauai, central and southern parts of Molokai, the south- and west-facing slopes of Haleakala in east Maui, and the mountain slopes in Kau, Kona, and south Kohala on the Big Island. Skies are sunny to partly cloudy elsewhere. Low cloud motion is from the east near 15 mph just east of the Big Island and veers to the east-southeast near 10 mph moving up the chain to Kauai.
A thin band of broken low clouds is currently just north clockwise through south-southeast of the Big Island and is heading west with the prevailing trade flow. Scattered to broken low clouds exist north of Oahu and Maui county, remnants from the aforementioned band. Another portion of the broken-low-cloud band has become reestablished farther north of Oahu, is now oriented north-to- south, and is pushing northwest to north. This band extends beyond 30°N. Conditions are otherwise clear to scattered in the adjacent coastal waters.
The leading edge of broken to overcast low clouds with a weakening front is around 500 miles northwest of Kauai as of bulletin time, and has been pushing east at 15 to 20 mph along 30°N. Much of the cloudiness with the system has dissipated south of 24°N. As of this writing, most of the clouds with the boundary are northwest of a line from 30°N 161°W to 24°N 170°W. Looking to the east, a weak upper low is a little less than 800 miles east-northeast of Hilo and has been heading west near 10 mph over the past six hours. This upper feature is only minimally affecting surface weather.
KINEL
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