Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Tue, 07 Dec 2010 23:30:00 -0600

Based on data through 0500 UTC December 08 2010.

To the north, a band of cloud layers associated with a front obscured lower features mostly to completely north of the curve from 30°N 168°W to 26°N 159°W to 28°N 140°W, though thin layered high clouds associated with this feature also partly obscured lower features in places as far south as 22°N. While the layers composing this band started to shear apart, moving at different speeds depending on height, they remained fairly deep and dense. This feature as a whole shifted north slowly.

To the northwest, scattered towering cumuli, isolated thunderstorms, and their layered debris clouds within 125 miles of the line from 17°N 180 to 28°N 157°W marked another front. This feature remained nearly stationary.

Further northwest, dense layered high to middle clouds associated with a jet stream obscured lower features within 320 miles of the point 27°N 175°W.

To the south, very light thunderstorm activity continued in the ITCZ between 10°N and 07°N, mostly east of 162°W. Layered middle to high debris clouds from this and earlier convection mostly to partly obscured lower features from 13°N to 05°N.

Otherwise, cloud cover across Hawaiian waters consisted mainly of marine stratocumuli and cumuli. These clouds merged into loose clumps and bands up to about 900 miles long and 360 miles wide, though most clumps were much smaller. These clouds generally moved toward the west at 10 to 15 miles an hour, though near the fronts they turned toward the northwest and then the north. They typically rose to heights of 6000 to 9000 feet, though taller cumuli approached 12000 feet.

Across the main Hawaiian islands, thin layered high clouds partly obscured lower features from Maui county north. Lower cloud cover consisted mostly of layered debris clouds from daytime cumulus buildups inland, though a few marine cumuli also moved ashore along slopes facing east. Areas with the greatest cloud cover included central Kauai, north-central Oahu, all middle slopes of Haleakala on Maui, most lower to middle slopes of the Big Island clockwise from south Hilo to Kau districts, and most lower slopes of north and south Kona districts on the Big Island. These clouds generally rose to heights of 7000 to 8000 feet. Radar data from near the islands showed isolated showers at most.

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RYSHKO

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