Satellite Interpretation Message
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000
ATHW40 PHFO 280027
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC SUN AUG 28 2016

BASED ON DATA THROUGH 0000 UTC AUGUST 28 2016

THE MAIN HAWAIIAN ISLANDS LIE UNDER A RATHER STABLE TRADE WIND
FLOW WEDGED BETWEEN ACTIVITY IN THE TROPICS TO THE SOUTH AND
SOUTHEAST AND TROUGHING TO THE NORTHWEST.

THE SURFACE HIGH GENERATING THE TRADE WINDS SITS FAR NORTH OF THE
AREA AND IS SENDING A MIX OF SCATTERED TO BROKEN CUMULUS CLOUDS
OVER THE STATE. INDIVIDUAL CUMULUS CLOUDS ARE TRAVELING FROM THE
EAST-NORTHEAST AT AROUND 20 MPH...CREATING BROKEN CLOUD COVER OVER
WINDWARD TERRAIN ON ALL ISLANDS. PATCHES OF BROKEN LOW CLOUDS ARE
OBSERVED ACROSS THE TERRAIN ON THE SMALLER ISLANDS...WHILE
EXTENSIVE BROKEN TO OVERCAST LOW CLOUDS COVER NEARLY ALL OF THE
HEATED SLOPES OF THE BIG ISLAND. A VERY THIN BAND OF BROKEN HIGH
CLOUDS IS MOVING NORTHEASTWARD OVER THE BIG ISLAND AS WELL. THE
ATMOSPHERE IS RATHER STABLE...AND SUBSIDENCE ALOFT OBSERVED ON
WATER VAPOR IMAGERY IS CAPPING MOST CUMULUS TOPS AT AROUND 9000
FT...THOUGH A FEW ARE REACHING AS HIGH AS 11000 FT ON THE BIG
ISLAND.

OVER 1000 MILES TO THE EAST-SOUTHEAST OF THE ISLANDS...TROPICAL
STORM MADELINE IS POISED TO CROSS 140W...WHILE A BAND OF
THUNDERSTORMS ON ITS WESTERN FLANK HAS PUSHED AS FAR WEST AS 142W
BETWEEN 19N AND 13N. ANOTHER TROUGH...ARGUABLY RUNNING TO
MADELINE...EXTENDS FROM ROUGHLY 17N149W TO 12N160W TO 10N163W.
MAINLY ISOLATED THUNDERSTORMS ARE NOTED NEAR THIS TROUGH...THOUGH
A CLUSTER OF SCATTERED THUNDERSTORMS HAS DEVELOPED NEAR 12N160W.

THE SOUTHERN EDGE OF A DEEP...NEARLY STATIONARY TROUGH SITS OVER
THE NORTHWEST HAWAIIAN ISLANDS...WITH A RELATED SURFACE TROUGH
STRETCHING ALONG 30N174W TO 24N180. SCATTERED THUNDERSTORMS WITH
TOPS TO 48000 FT HAVE PERSISTED ALONG THE TROUGH TODAY BETWEEN
PEARL AND HERMES ATOLL AND LISIANSKI ISLAND. IN ADDITION...A
SMALL AREA OF ISOLATED THUNDERSTORMS IS LINGERING NEAR A
DISSIPATED PORTION OF THE TROUGH NEAR 27N167W.

$$
WROE


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