Hawaiian Islands Satellite Interpretation Message
Fri, 07 Jan 2011 23:30:00 -0600
Based on data through 0500 UTC January 08 2011.
A deep upper level low is centered at 30°N 159°W moving southeast at 15 mph this evening. An overcast towering cumulus cloud band is within a 240 mile radius of the center on the southern and eastern flanks. Numerous lightning strikes have been detected within the clouds. This upper low is driving two main surface lows, the stronger one at 37°N 154°W and another at 30°N 157°W. The first low has an occluded cold front associated with it, with the cold front portion extending from 31°N 140°W to 20°N 151°W, and becomes a stationary front south of 20°N. The second low doesn't have much of a boundary associated with it, but it would be nearly impossible to see under the dense layered clouds from the upper low.
The dense layered clouds cover an area from 19°N to 35°N, west of 140°W, and east of a line from 35°N 148°W to 18°N 161°W. The layered clouds have tops around 35 kft in height. Isolated towering cumulus clouds are also embedded within the cloud 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 the far southeastern fringes of the dense layered cloud band across the Big Island this evening. Overcast skies cover the Big Island and waters to the south and east. Maui county and Oahu have cleared out for the most part this evening while scattered stratocumulus clouds cover Kauai and the surrounding waters.
FOSTER
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