Hawaiian Islands Satellite Interpretation Message
Sat, 08 Jan 2011 06:30:00 -0600
Based on data through 1200 UTC January 08 2011.
A deep upper level low is centered at 29°N 157°W moving southeast at 15 mph. This upper low is driving two main surface lows, the stronger one at 37°N 156°W and another at 30°N 157°W. The surface low has a long occluded, cold front and trough associated with it. The impact to the central Pacific basin includes an active cold front extending from 30°N 141°W to 15°N 151°W. The front merges with a surface trough south of 15°N. On IR satellite, the front and upper low are producing a large band of layered clouds with scattered embedded cumulonimbus clouds with tops to 50 kft. Numerous lightning strikes are also detected within the cloud band. Most of the clouds are bounded within a box from 15°N to 33°N and 140°W to 151°W and moving northeast at 20 mph.
The southerly low has a cold front which extends from 31°N 156°W to 27°N 154°W to 24°N 157°W to 24°N 160°W. A 120 mile wide band of layered and towering cumulus clouds along with numerous detected lightning strikes indicate the boundary. Cloud tops are around 34 kft in height within the band.
Far to the northwest, mid and high level clouds are moving across the far northwest Hawaiian islands, including Midway and kure atolls. These clouds are ahead of a longwave trough that is currently east of the dateline.
Shortwave IR satellite across the main Hawaiian islands shows scattered cumulus clouds around Kauai and Oahu this morning. From Molokai through the Big Island and adjacent waters, a few low cumulus clouds are observed.
FOSTER
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