Satellite Interpretation Message
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000
ATHW40 PHFO 250530
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC SUN MAY 24 2015

BASED ON DATA THROUGH 0500 UTC MAY 24 2015

WATER VAPOR SATELLITE IMAGERY SHOWED AN UPPER LOW FAR NE OF THE
MAIN HAWAIIAN ISLANDS WITH A TROUGH AXIS EXTENDING SOUTH TO ABOUT
750 MILES E OF THE BIG ISLAND. A DISSIPATING SURFACE COLD FRONT
EXTENDS IN A SIMILAR ORIENTATION AS THE UPPER TROUGH...FROM 30.0N
141.6W TO 25.9N 142.5W TO 18.2N 153.5W. LAYERED CLOUDS AND LINES
OF CUMULUS CLOUDS ALONG AND AHEAD OF THE FRONTAL BOUNDARY COVER THE
AREA BETWEEN 20.0N TO 30.0N AND 140.0W TO 143.0W...WITH HIGHEST
CLOUD TOPS NEAR 38 THOUSAND FEET. THE TROUGH AND THE NORTHERN HALF
OF THE FRONT ARE GRADUALLY MIGRATING ESE AT AROUND 20 MPH...WHILE
THE SOUTHERN HALF OF THE FRONT IS BECOMING STATIONARY.

CLOSER TO THE MAIN HAWAIIAN ISLANDS...BROKEN TO OVERCAST LOW CLOUDS
COVER THE EASTERN HALF OF THE BIG ISLAND BELOW 7 THOUSAND
FEET...INCLUDING ALL WINDWARD AREAS OF THE N KOHALA DISTRICT AND THE
SE SLOPES OF MAUNA LOA DOWN TO S POINT. LOCALLY BROKEN LOW CLOUDS
LINGER OVER LEEWARD AREAS OF THE BIG ISLAND BELOW 6 THOUSAND FEET
FROM PUUANAHULU TO MILOLII. ON MAUI COUNTY...BROKEN TO LOCALLY
OVERCAST LOW CLOUDS COVER WINDWARD AREAS OF MAUI BELOW 7 THOUSAND
FEET FROM HANA TO HOOKIPA BEACH PARK...INTERIOR SLOPES OF HALEAKALA
AND PORTIONS OF LEEWARD HALEAKALA AROUND KULA AND KEOKEA. OVERCAST
LOW CLOUDS ARE COVERING THE INTERIOR W MAUI MOUNTAINS...WHILE BROKEN
COVERAGE PREVAILS OVER MOST OF MOLOKAI. ON OAHU...BROKEN LOW CLOUDS
COVER MOST AREAS EXCEPT WINDWARD COASTLINE LOCATIONS FROM KANEOHE
TO TURTLE BAY...HOWEVER...ADDITIONAL LARGE AREAS OF BROKEN TO
OVERCAST LOW CLOUDS ARE SEEN ON SATELLITE IMAGERY APPROACHING OAHU
FROM THE N. ON KAUAI COUNTY...MAINLY OVERCAST LOW CLOUDS PREVAIL.

BROKEN TO LOCALLY OVERCAST STRATOCUMULUS AND CUMULUS CLOUDS COVER
MOST OF THE AREA N OF THE AFOREMENTIONED COLD FRONT AND N OF 16N
FROM THE BIG ISLAND TO 170W. BETWEEN 10N AND 16N...LOW CLOUD
COVERAGE REMAINS MAINLY SCATTERED. CLOUD MOTION IS GENERALLY TO THE
S AND SW AT 10 TO 20 MPH W OF 150W...TURNING NE AND E BETWEEN 140W
AND THE FRONT.

FAR S OF THE ISLANDS...LARGE CLUSTERS OF ACTIVE THUNDERSTORMS CAN BE
OBSERVED NEAR THE INTERTROPICAL CONVERGENCE ZONE...OR ITCZ...BETWEEN
02N TO 10N AND 150W TO 180. CLOUD TOPS RANGE FROM 43 TO 51 THOUSAND
FEET.

$$

REYNES








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