Hawaiian Islands Satellite Interpretation Message
Wed, 08 Sep 2010 07:00:00 -0500
Based on data through 1130 UTC September 08 2010.
Skies are clear to partly cloudy over most of the island chain this early morning. Broken low cloudiness is only affecting windward and mauka sections on the individual isles from time to time. Low ceilings, however, are evident in coastal and lower upslope areas of north and south Kona on the Big Island. Low cloud movement is from the east-northeast at 15 to 20 mph across the aloha state.
Patchy scattered to broken low clouds have formed northeast and east of the Big Island, and are moving toward the west-southwest with the prevailing trade flow. Plume cloudiness is generating ceilings west and southwest of the Big Island, and at some distance south of Oahu and Kauai. Elsewhere conditions are clear to scattered in the adjacent coastal waters.
An upper low is centered 975 miles north of Honolulu and has been pushing northwest near 10 mph over the past seven hours. Isolated thunderstorms directly associated with the system are located from 33°N to 37°N between 152°W and 160°W as of bulletin time. Another upper low is now about 925 miles west-northwest of Kauai and has drifted west at less than 5 mph since last evening. A more concentrated area of thunderstorms being ignited by this feature is found from 23.5°N to 30°N between 171°W and 176.5°W.
Surface troughing far southeast of the Big Island continues to move slowly toward the west and southwest. The trough is inducing showers and isolated thunderstorms in the area from 10°N to 14°N between 141°W and 154°W. Additional areas of convection, associated with the intertropical convergence zone, are located from 06°N to 11°N between 155°W and 165°W, and from 07°N to 11°N west of 169°W. High level cirrus clouds, debris from the thunderstorms firing far southwest of Hawaii, are being carried toward the islands by upper atmospheric southwesterly winds.
KINEL
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