Hawaiian Islands Satellite Interpretation Message
Sat, 11 Sep 2010 19:00:00 -0500
Based on data through 2330 UTC September 11 2010.
High clouds are generating ceilings over Kauai this early afternoon. Some of this cloudiness, oriented northeast to southwest, is occasionally sweeping above the Kauai channel and Oahu as well.
Ignoring the high clouds, skies are predominantly sunny to partly cloudy across the aloha state this early afternoon. Broken low cloudiness, on the other hand, has begun to form over the north Kohala, Hamakua, Kau, and Kona slopes on the Big Island, the east- and west-facing slopes of Haleakala in east Maui, and the west Maui mountains. Low cloud movement is mainly from the east near 15 mph, though just east of the Big Island low clouds are moving from the east-northeast near 20 mph.
Except for the high level cirrus clouds near Kauai, conditions are clear to scattered in the adjacent coastal waters.
Aloft above 25 thousand feet, a high remains centered about 900 miles east of the Big Island and has been nearly stationary. The axis of an upper trough, oriented east-northeast to west- southwest, is currently 620 miles northwest of Kauai and has been pushing toward the east and southeast near 10 mph over the past six hours. The system is inducing isolated thunderstorms within 150 miles of 30°N 157°W, and in the area from 27.5°N to 30.5°N between 165°W and 167°W. Various amounts of high cloudiness exist along the east and south flanks of the upper trough, and some of this cirrus is streaking over the western part of the island chain as discussed in the first paragraph.
Convection continues to ignite along the intertropical convergence zone far south of Hawaii. Most of the showers and thunderstorms are firing from 10°N to 14°N between 122°W and 150°W, and from 06.5°N to 12.5°N between 150°W and the date line at 180.
KINEL
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