Hawaiian Islands Satellite Interpretation Message
Thu, 13 Jan 2011 12:30:00 -0600
Based on data through 1800 UTC January 13 2011.
Water vapor shows an upper level low near 40°N 157°W, about 1300 miles north of Honolulu at 8 am. The low has been moving to the northeast around 25 mph over the last six hours. The associated upper level trough extends from the upper the low to 35.7°N 152.9°W to 22.3°N 160.6°W.
A stationary front near the Kauai channel continues to spread clouds, showers and thunderstorms to the main Hawaiian islands this morning. At 8 am, the clouds are thickest over the islands of Maui county and the Alenuihaha channel. The main Hawaiian islands continue to be on the southern end of the layered clouds associated with the front. Cloud tops in the Alenuihaha are reaching near 39 thousand feet. Cloud tops are reaching near 40 thousand feet a few hundred miles northeast of the islands.
The first visible images of the day show high clouds moving from the southwest to northeast over Kauai, with areas of lower clouds beneath. Layered clouds are moving over Oahu, but there are holes in the clouds at 8 am, with the thinnest clouds over downtown Honolulu. The layered clouds cover almost all of Molokai and Lanai at first light, and blanket Kahoolawe and Maui. The clouds over Maui extend over the Alenuihaha channel and are over the northern third of the Big Island. Additional clouds are found over the eastern end of the Kau district, extending up the slopes to the summit area.
Low clouds south of the islands are moving from the south around 15 mph.
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