Hawaiian Islands Satellite Interpretation Message
Fri, 19 Nov 2010 23:00:00 -0600
Based on data through 0430 UTC November 20 2010.
A surface trough is over the eastern end of the island chain and appears to be moving slowly toward the east. Broken to overcast low clouds, showers, and isolated thunderstorms are associated with the boundary, with some of the convection currently affecting the area from Hamakua to Puna on the east side of the Big Island. Low ceilings are also evident over coastal and upslope sections of Kau. Skies are predominantly clear to partly cloudy elsewhere around the aloha state. Low cloud motion is from the north to northwest at 5 to 15 mph from Kauai to the west side of the Big Island, with speeds increasing from west to east. Low level flow is from the east at 10 mph just east of the Big Island.
Showers and isolated thunderstorms are occurring just northeast and east of the Big Island. There are more showers over Kahoolawe, south of Maui, and immediately west of south Kohala on the Big Island. A plume that had exited to the south of Oahu is embedded with showers and is now west of Lanai. A small area of precipitation exists north of Oahu and northwest of Molokai. Except for high cloudiness approaching Kauai from the northwest, conditions are otherwise clear to scattered in the adjacent coastal waters.
As mentioned above, high clouds are about to overspread Kauai from the northwest. These broken to overcast cirrus clouds are riding over the top of a surface front far northwest of the state. At the moment, most of the cloudiness is north of 22°N west of 160°W.
A weak surface trough is around 500 miles southeast of the Big Island and has been pushing west slowly. The system has been igniting showers and isolated thunderstorms within 50 miles either side of a line from 21°N 145°W to 17.5°N 145°W to 16°N 148°W. Somewhat farther south, convection is flaring along the intertropical convergence zone. Most of this convection is located from 08°N to 13°N between 140°W and 152°W. More activity is found from 06.5°N to 09°N between 152°W and 162°W.
KINEL
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