Friday, December 10, 2010

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Fri, 10 Dec 2010 12:30:00 -0600

Based on data through 1800 UTC December 10 2010.

Water vapor imagery shows a sharp upper level trough near 32°N 166°W, moving to the southeast at 30 mph. A large area of deep layered clouds is located generally within 600 miles east of a line from 30°N 159°W to 14°N 168°W, covering much of the main Hawaiian islands. Isolated cumulonimbus clouds are embedded within the layered clouds, with the strongest convection located along a line extending from 30°N 151°W to 21°N 156°W to 15°N 167°W. Cloud tops with this convection extend up to 50000 ft. North of 22°N, these cells are moving to the northeast at 40 mph. South of 22°N, these cells are moving to the east at 15 mph.

Across the main Hawaiian islands, overcast thick layered clouds extend from Kauai to Maui, and are moving to the east at 10 to 15 mph. Overcast middle and high level clouds are located east of this area, and cover the Big Island.

High clouds extend farther east from the area of layered clouds, with patches of cirrus and cirrocumulus north of 15°N extending as far east as 140°W. These high clouds are moving to the east at 50 to 70 mph. Below these high clouds, areas of broken to overcast stratocumulus and closed cell cumulus clouds are located east of 145°W. These clouds are moving to the west and northwest at 20 to 25 mph.

To the west of the area of layered clouds, areas of broken stratocumulus clouds are moving to the south and southwest at 15 to 20 mph. A second area of high clouds is located farther west, generally west of 172°W and north of 20°N. These high clouds are composed primarily of cirrus and cirrostratus clouds, and are moving to the east southeast at 80 mph.

Central Pacific Infrared Satellite image for 1800 UTC


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