Satellite Interpretation Message
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000
ATHW40 PHFO 220531
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC MON SEP 22 2014

BASED ON DATA THROUGH 0500 UTC SEPTEMBER 22 2014

WATER VAPOR IMAGERY SHOWS AN ELONGATED UPPER LEVEL TROUGH WITH AN
AXIS FROM 30N134W TO 17N165W. ISOLATED TOWERING CUMULUS CLOUDS WITH
TOPS TO 33 KFT ARE LOCATED WITHIN THE BASE OF THE TROUGH...ONLY
COVERING ABOUT A 100 MILE RADIUS OF 17N165W.

ACROSS THE MAIN HAWAIIAN ISLANDS...BROKEN CUMULUS CLOUDS COVER
LEEWARD PORTIONS OF KAUAI...OAHU...MOLOKAI AND MAUI. WINDWARD SIDES
OF THESE ISLANDS HAVE SCATTERED CLOUD COVERAGE. THE BIG ISLAND HAS
BROKEN TO OVERCAST SKIES WITH SCATTERED SHOWERS CONCENTRATED OVER
THE SOUTHEASTERN PORTION OF THE ISLAND. THESE SHOWERS HAVE BEEN
WEAKENING OVER THE LAST HOUR. COASTAL WATERS AROUND THE MAIN
HAWAIIAN ISLANDS ARE FEW TO SCATTERED IN COVERAGE.

NORTH OF THE AREA...A RAGGED CLOUD BAND ASSOCIATED WITH A
DISSIPATING SURFACE FRONT IS LOCATED GENERALLY WITHIN 200 MILES
NORTH OF A LINE FROM 30N143W TO 24N180. THESE CLOUDS ARE COMPOSED
PRIMARILY OF SHOWERY CUMULUS ELEMENTS. THE OVERALL CLOUD BAND IS
NEARLY STATIONARY. HOWEVER...INDIVIDUAL ELEMENTS ARE MOVING TO THE
WEST AND SOUTHWEST AT 15 TO 20 MPH WEST OF 158W...AND TO THE
SOUTHEAST AT 10 MPH EAST OF 158W.

$$

FOSTER





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