Satellite Interpretation Message
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000
ATHW40 PHFO 200030
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC SAT SEP 20 2014

BASED ON DATA THROUGH 0000 UTC SEPTEMBER 20 2014

ACROSS THE MAIN HAWAIIAN ISLANDS...BROKEN TO OVERCAST LOW CLOUDS
COVER THE INTERIOR OF NIIHAU...KAUAI...OAHU AND LANAI. BROKEN LOW
CLOUDS COVER INTERIOR AND NORTHERN SECTIONS OF MOLOKAI...WITH CLOUD
FREE SECTIONS ALONG THE SOUTHERN AND NORTHWESTERN COASTS. BROKEN LOW
CLOUDS COVER THE INTERIOR OF THE WEST MAUI MOUNTAINS....AND LOWER
SLOPES OF HALEAKALA BELOW 8000 FT. THESE CLOUDS ARE GREATEST ACROSS
NORTHERN SLOPES FROM ULUPALAKUA TO HUELO TO NAHIKU...AND EXTEND 10
MILES OFFSHORE TO THE NORTHEAST.

BROKEN TO OVERCAST LOW CLOUDS ALSO COVER MUCH OF THE BIG ISLAND.
NORTHWEST COASTAL SECTIONS FROM KEAHOLE POINT TO UPOLU POINT ARE
MOSTLY FREE OF LOW CLOUDS. ONLY SCATTERED CLOUDS ARE LOCATED OVER
THE SUMMIT OF MAUNA KEA ABOVE 12000 FT...AND NEAR THE SUMMIT OF
HUALALAI ABOVE 7000 FT. PATCHES OF LOW CLOUDS EXTEND 30 MILES
OFFSHORE TO THE SOUTHWEST FROM SOUTH KONA DISTRICT FROM BETWEEN
MILOLII AND SOUTH CAPE...AND UP TO 20 MILES TO 40 MILES OFFSHORE TO
THE SOUTHEAST AND EAST OF PUNA DISTRICT.

AN AREA OF BROKEN TO OVERCAST MIDDLE AND HIGH LEVEL LAYERED CLOUDS
EXTENDS NEARLY 500 MILES SOUTH AND SOUTHEAST OF THE BIG ISLAND.
THESE CLOUDS ARE ASSOCIATED WITH AN AREA OF LOW PRESSURE...WHICH CAN
BE SEEN ABOUT 400 MILES SOUTH OF HILO. A SECOND WEAK LOW CAN BE SEEN
ABOUT 600 MILES SOUTHEAST OF HILO. ISOLATED CUMULONIMBUS CLOUDS ARE
EMBEDDED WITHIN THE LAYERED CLOUDS...GENERALLY BEYOND 200 MILES
SOUTH OF THE BIG ISLAND. THE DEEP CONVECTIVE CLOUDS ARE LOCATED
WITHIN 200 MILES NORTHEAST AND EAST OF A LINE FROM 14N156W TO
13N154W TO 10N154W. CLOUD TOPS EXTEND UP TO 50000 FT.

WATER VAPOR IMAGERY SHOWS AN UPPER LEVEL TROUGH NORTHEAST OF THE
STATE...FROM 30N148W TO 20N154W...OR JUST EAST OF THE BIG ISLAND.
PATCHY THIN CIRRUS AND CIRROCUMULUS CLOUDS ARE LOCATED NORTH OF 27N
JUST EAST OF THE TROUGH. THESE HIGH CLOUDS ARE MOVING TO THE
NORTHEAST AT 60 MPH.

PATCHY AREAS OF LOW CLOUDS ARE LOCATED TO THE NORTHEAST OF THE
STATE. THESE CLOUDS ARE GREATEST IN COVERAGE NORTH OF 22N AND EAST
OF 150W...AND THEY ARE COMPOSED OF PRIMARILY OF SHOWERY OPEN CELL
CUMULUS ELEMENTS. ISOLATED TOWERING CUMULUS ELEMENTS ARE EMBEDDED
WITHIN THE SHOWERY CLOUDS...WITH CLOUD TOPS EXTENDING UP TO 16000
FT. CLOUD MOTIONS ARE GENERALLY TO THE WEST AND NORTHWEST AT LESS
THAN 10 MPH.

$$

BRAVENDER





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