Hawaiian Islands Satellite Interpretation Message
Sun, 05 Sep 2010 13:30:00 -0500
Based on data through 1800 UTC September 05 2010.
Broad high pressure centered far north northeast of the area is generating a vast field of scattered to locally broken stratocumulus clouds and shower-bearing cumulus clouds in the trade wind flow extending from the main Hawaiian islands east to 140°W and north beyond 30°N. Near the islands, individual low clouds are travelling from the east northeast at 15 to 18 mph, a slight decrease in speed since yesterday.
Low cloud coverage over the islands is following a rather typical trade-wind pattern this morning. Patches of broken low clouds are banked up along windward terrain of all islands. Few to scattered low clouds are noted across most leeward sections, though small patches of broken low clouds are observed over the Waianae coast on Oahu and the kekaha vicinity on Kauai.
Subsidence aloft seen in water vapor imagery is producing stable conditions over the main Hawaiian islands, while deepening upper level troughing is found several hundred miles to the north. The upper trough runs along three upper lows centered near 24°N 178°W, 30°N 165°W, and north of the area near 34°N 146°W. Narrow streaks of broken high clouds are found along the flanks of the upper lows near 30°N and 24°N.
To the southeast of the state, a nearly west to east oriented surface trough embedded within the ITCZ is producing a persistent area of thunderstorms north of 10°N. Isolated thunderstorms rise as high as 50 kft south of 14°N east of 150°W.
DWROE
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