Saturday, September 11, 2010

Hawaiian Islands Satellite Interpretation Message

Hawaiian Islands Satellite Interpretation Message
Sat, 11 Sep 2010 13:00:00 -0500

Based on data through 1730 UTC September 11 2010.

A swath of broken to overcast high clouds has formed over Kauai and the western half of the Kauai channel over the last couple of hours. This cloudiness extends far to the northeast and southwest from the garden isle.

At the lower levels, skies are predominantly clear to partly cloudy across the island chain. Low ceilings are mainly confined to windward and mauka sections on the individual isles, and even there broken cloudiness is not persisting. Low cloud movement is from the east at 15 to 20 mph statewide.

Broken occasionally scattered low clouds are evident north clockwise through east of Maui county, and northeast and east of the Big Island. Small patches of scattered to broken low cloudiness exist west of the Big Island, and south and southwest of the other isles. Conditions are otherwise clear to scattered in the adjacent coastal waters, discounting any high cloudiness.

In the upper air above 25 thousand feet, a high is centered about 875 miles east of the Big Island. Elsewhere, the axis of a trough, oriented east-northeast to west-southwest, is 680 miles northwest of Kauai and has been heading east to southeast near 10 mph. This feature is helping to ignite isolated thunderstorms in the area from 26°N to 33°N between 159°W and 168°W. Also, the high clouds over the western part of the state are positioned along the eastern and southern flanks of the upper trough.

Showers and thunderstorms are firing along the intertropical convergence zone far south of Hawaii. Most of the activity is occurring from 10°N to 14.5°N between 120°W and 147°W, and from 06.5°N to 13°N between 147°W and the date line at 180.

Hawaii Infrared Satellite image for 1730 UTC


KINEL


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