Satellite Interpretation Message
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ATHW40 PHFO 290528
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC FRI MAY 29 2015

BASED ON DATA THROUGH 0500 UTC MAY 29 2015

AS OF 700 PM HST...WATER VAPOR IMAGERY SHOWED AN UPPER TROUGH
EXTENDING SOUTHWEST ACROSS HAWAII FROM AN UPPER LOW CENTERED NORTH
OF THE AREA NEAR 39N150W. PLENTY OF MIDDLE TO UPPER MOISTURE
ASSOCIATED WITH THIS UPPER TROUGH SUPPORTED A LARGE AREA OF BROKEN
TO OVERCAST LAYERED CLOUDS BETWEEN 24N AND 30N FROM 140W TO 150W.
THIS AREA OF CLOUDS WAS MOVING EASTWARD AROUND 30 MPH.

SCATTERED LOW-LEVEL CUMULUS CLOUDS WERE SHOWN 160W BETWEEN 10N AND
30N SOUTH OF A RIDGE AXIS. CLOUD MOTION WAS TOWARD THE SOUTHWEST AT
10 TO 20 MPH. CLOUD TOPS WERE GENERALLY LESS THAN 10 THOUSAND FEET
WITHIN THIS AREA.

AN AREA OF BROKEN TO OVERCAST LOW CLOUDS ASSOCIATED WITH A WEAK
TROUGH NEAR THE BIG ISLAND WAS SHOWN NORTH AND NORTHEAST OF THE BIG
ISLAND. BROKEN TO OVERCAST LOW CLOUDS WERE SHOWN ACROSS EACH OF THE
MAIN HAWAIIAN ISLANDS. CLOUD TOPS WERE LESS THAN 15 THOUSAND FEET
WITH VERY LITTLE MOTION.

SOUTH OF THE ISLANDS...SCATTERED THUNDERSTORMS WERE OCCURRING
WITHIN THE ITCZ BETWEEN 5N AND 12N FROM 140W TO 180. CLOUD TOPS
RANGED FROM 45 TO 55 THOUSAND FEET. CLOUD MOTION WAS TOWARD THE WEST
AROUND 15 MPH.


$$

AG




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