Hawaiian Islands Satellite Interpretation Message
Thu, 09 Dec 2010 18:30:00 -0600
Based on data through 0000 UTC December 10 2010.
Water vapor images show a large complex low pressure system west of the main Hawaiian islands. A large swath of broken to overcast cloud layers generated by this system covers the area between 153°W and 170°W from 10°N to 30°N. The most active portion was within a band extending roughly 600 miles northwest of a line from 25°N 153°W to 20°N 160°W. Thunderstorms were embedded within this band along northeast to southwest lines with cloud tops reaching up to 48000 ft. One of the bands, 60 miles wide, was centered in the middle of the Kauai channel. Another 60 mile wide band was centered about 50 miles northwest of Kauai. Radar data indicated very heavy rainfall within both bands.
The system's layered clouds south of 20°N have been drawn up from the intertropical convergence zone, ITCZ, and did not appear to have much embedded deep convection. The deep convection cores associated with the ITCZ were mainly south of 10°N.
Over the main Hawaiian islands, Kauai, Oahu, Molokai and Lanai were obscured by broken to overcast cloud layers. High cloud cover was thin enough over Maui and the Big Island to reveal the lower level clouds. Maui had broken low clouds over the southwest slopes of the west Maui mountains and only a few clouds elsewhere. The Big Island had broken clouds covering the upper slopes of Mauna Kea and Mauna Loa but lower elevations had very few low clouds.
KODAMA
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