Satellite Interpretation Message
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000
ATHW40 PHFO 231829
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC SAT AUG 23 2014

BASED ON DATA THROUGH 1800 UTC AUGUST 23 2014

WATER VAPOR IMAGERY SHOWED A RELATIVELY WEAK...UPPER LEVEL TROUGH
JUST NORTH AND WEST OF THE STATE THIS MORNING.  THE TROUGH AXIS
EXTENDED THROUGH 30N 156W TO NEAR 23N 163W.  THE TROUGH WAS
DIGGING...OR STRETCHING SOUTH SOUTHWESTWARD NEAR 20 MILES AN HOUR.
EXCEPT FOR THE UPPER LEVEL WINDS FLOWING AROUND THE TROUGH...THERE
DID NOT APPEAR TO MUCH OF ANY SIGNIFICANT WEATHER ASSOCIATED WITH IT.

PERSISTENT TRADE WINDS CONTINUED TO SWEEP PATCHES AND SMALL
CLUSTERS OF SCATTERED TO BROKEN LOW CLOUDS THROUGH THE HAWAIIAN
ISLANDS REGION.  NEAR THE ISLANDS...THESE LOW CLOUDS...A MIX OF
STRATOCUMULUS AND CUMULUS...WERE MOVING TOWARD THE WEST SOUTHWEST AT
15 MILES AN HOUR.

AT 8 AM...THE LOW CLOUDS WERE RESULTING IN CLOUDY TO MOSTLY CLOUDY
SKIES ALONG THE WINDWARD SECTIONS OF THE BIG ISLAND...EAST
MAUI...AND ALONG THE KOOLAU RANGE ON OAHU.  THE REST OF THE STATE
WAS MOSTLY SUNNY.

A LONG...NARROW PLUME OF LOW CLOUDS MEANDERED DOWNWIND TOWARD THE
SOUTHWEST FROM SOUTH POINT ON THE BIG ISLAND.  THIS SHOWERY LOW
CLOUD PLUME WAS JUST UNDER 300 MILES IN LENGTH.

SCATTERED TO ISOLATED THUNDERSTORMS CONTINUED TO ERUPT ALONG THE
ITCZ OR INTERTROPICAL CONVERGENCE ZONE WELL SOUTH OF THE ISLANDS.
THE STORMS WERE MOSTLY WITHIN A 225 MILES WIDE BAND CENTERED ALONG A
LINE FROM 12N 138W TO 14N 145W TO 07N 160W TO 06N 169W.  HIGHEST
CLOUD TOPS THERE WERE NEAR 58000 FEET.

$$





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