Satellite Interpretation Message
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000
ATHW40 PHFO 230530
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC SAT MAY 23 2015

BASED ON DATA THROUGH 0500 UTC MAY 23 2015

AN UPPER LEVEL LOW FAR NE OF THE MAIN HAWAIIAN ISLANDS CAN BE
OBSERVED ON WATER VAPOR SATELLITE IMAGERY WITH AN ASSOCIATED TROUGH
AXIS EXTENDING FROM 30.0N 151.9W TO 22.0N 154.6W. A SFC COLD FRONT
BOUNDARY STRETCHES FROM 30.0N 148.6W TO 24.4N 153.0W TO KAUAI.
LAYERED CLOUDS AND LINES OF STRATOCUMULUS CLOUDS ARE PUSHING ENE
AHEAD OF THE FRONT COVERING THE AREA BETWEEN 23.0N TO 30.0N AND
141.0W TO 150.2W. CLOUD TOPS IN THESE LAYERED CLOUDS ARE NEAR 40
THOUSAND FEET.

CLOSER TO THE MAIN HAWAIIAN ISLANDS...BROKEN TO OVERCAST LOW CLOUDS
COVER MOST OF THE BIG ISLAND BELOW 8 THOUSAND FEET WITH A FEW
SHOWERS LINGERING OVER THE SE SLOPES OF MAUNA LOA...NEAR SOUTH POINT
AND OVER THE WINDWARD COASTLINE FROM HAWI TO WAIPIO VALLEY. ON MAUI
COUNTY...BROKEN LOW CLOUDS PREVAIL OVER MOST OF MAUI BELOW 7
THOUSAND FEET...THE S HALF OF LANAI AND MOST OF MOLOKAI. LINES OF
SHOWERS CAN BE OBSERVED MOVING ACROSS MOLOKAI FROM N TO S. ON OAHU
AND KAUAI COUNTY...THE COMBINATION OF THE AFTERNOON CONVECTION AND
THE AFOREMENTIONED COLD FRONT BOUNDARY ARE KEEPING BROKEN TO LOCALLY
OVERCAST LOW CLOUDS. RAIN REMAINS ANCHORED OVER MOST OF THE KOOLAU
MOUNTAINS IN OAHU...AS WELL AS AREAS OVER S KAUAI FROM KOLOA TO
WAIMEA.

MAINLY BROKEN CUMULUS AND STRATOCUMULUS CLOUDS COVER THE AREA N OF
THE SFC COLD FRONT BETWEEN 148W TO 170W WITH CLOUD MOTION GENERALLY
TO THE S/SW AT ABOUT 15 MPH. COVERAGE BECOMES MAINLY SCATTERED
ELSEWHERE N OF 10N WITH CLOUD MOTION TO THE N/NE BETWEEN 140W TO
150W...AND TURNING TO THE NW AND W FROM 150W TO 180.

FAR S OF THE ISLANDS...SMALL CLUSTERS OF THUNDERSTORMS LINGERED
NEAR THE INTERTROPICAL CONVERGENCE ZONE BETWEEN 05N TO 10N AND 150W
TO 166W WITH CLOUD TOPS RANGING FROM 42 TO 47 THOUSAND FEET.

$$

REYNES




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