Hawaiian Islands Satellite Interpretation Message
Sun, 28 Nov 2010 18:00:00 -0600
Based on data through 2330 UTC November 28 2010.
High cloudiness has decreased over the aloha state since this morning, though another area of broken to overcast cirrus clouds is approaching the islands from the west this early afternoon.
Low clouds, some with embedded showers, are prevalent over most of the island chain. On the Big Island, however, areas of nearly clear skies exist, for the moment anyway, in leeward Kohala and coastal sections of north and south Kona. Low cloud movement is from the east to slightly south of east statewide, at 10 to 15 mph at the east of the state and increasing to near 25 mph moving up the chain to Kauai.
In the adjacent coastal waters, conditions are predominantly scattered, ignoring any high cloudiness. To be more precise, much of the scattered low cloudiness that does exist is showery and has been mainly aimed at the isles from Maui to Kauai. Elsewhere, outside the coastal waters about 250 miles northeast of Hilo, is a weak surface trough moving west with the prevailing trade flow.
An upper low is around 450 miles northeast of Hilo and has been nearly stationary over the past six hours. Showers and isolated thunderstorms associated with the feature are located from 16°N to 21°N between 141°W and 149°W, and from 23°N to 26°N between 144°W and 153°W. Another upper low is slightly more than 1000 miles west of Kauai and has headed slowly south since earlier in the day. Most of the convection with this system is currently bounded by 30°N 172°W to 20°N 165°W to 16°N 180° to 20°N 174°W to 23°N 179°W to 30°N 172°W. The axis of a jet stream passing south of this second low is along a line from 15°N 180° to 21°N 163°W to 17°N 157°W to 11°N 150°W. High clouds being transported by the jet are the elements just west and southwest of the isles, as alluded to in first paragraph.
Showers and isolated thunderstorms along the intertropical convergence zone far south of Hawaii remain fairly weak and limited areally. Most of the convection is found from 08°N to 11.5°N between 150°W and 167°W.
KINEL
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