Satellite Interpretation Message
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000
ATHW40 PHFO 290026
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC TUE JUL 29 2014

BASED ON DATA THROUGH 0000 UTC JULY 29 2014

WATER VAPOR IMAGERY SHOWED A RELATIVELY WEAK UPPER LOW NEAR 29N
154W.  A FAIRLY SHALLOW UPPER TROUGH EXTENDED FROM THE LOW TO NEAR
24N 159W.  THE LOW AND TROUGH WERE DRIFTING SLOWLY TOWARD THE EAST
SOUTHEAST.  A HANDFUL OF ISOLATED...SHORT LIVED TYPE THUNDERSTORMS
HAD BEEN POPPING UP RECENTLY WITHIN MAINLY WITHIN 250 MILES
NORTHEAST AND EAST OF THE LOW.

UPPER LEVEL WINDS FROM THE SOUTHWEST WERE CARRYING A FEW STRANDS OF
BROKEN CIRRUS CLOUDS ACROSS MAINLY THE SOUTHEAST HALF OF THE ISLAND
CHAIN.  ONE OF THE LARGER STRANDS...WHICH WAS ONLY ABOUT 75 MILES
WIDE...SAT SOUTH OF THE BIG ISLAND AND WAS CENTERED ALONG A LINE
FROM 16N 156W TO 20N 150W TO 21N 142W.

FEW LOW CLOUDS WERE NOTED IN THE IMMEDIATE VICINITY OF THE HAWAIIAN
ISLANDS THIS AFTERNOON.  PREVAILING TRADE WINDS WERE CURRENTLY
CARRYING ONLY ISOLATED PATCHES OF SCATTERED LOW CLOUDS THROUGH THE
AREA.  THE CLOUDS WERE MOVING WEST AROUND 20 MILES AN HOUR.

AT 2 PM...SKIES WERE MOSTLY CLOUDY TO CLOUDY OVER THE SLOPES ON THE
WEST HALF OF THE BIG ISLAND.  MOSTLY CLOUDY SKIES WERE SEEN OVER THE
HILO AND PUNA DISTRICTS ON THE EAST SIDE.  IT WAS MOSTLY SUNNY OVER
THE INTERIOR SECTIONS OF THE BIG ISLAND.  THE OTHER ISLANDS HAD ONLY
A SMATTERING OF SCATTERED TO BROKEN LOW CLOUD PATCHES MAINLY OVER
THE SLOPES.  THUS SKIES WERE MOSTLY SUNNY FROM KAUAI TO MAUI
INCLUDING THE VAST MAJORITY OF THE NEARBY SURROUNDING COASTAL
WATERS.

A FEW VERY WEAK LOW PRESSURE AREAS WERE STRUNG OUT AND EMBEDDED
WITHIN AN ELONGATED MASS OF CLOUDS AND THUNDERSTORMS LINING THE
TROPICS BETWEEN 140W AND THE DATELINE.  THIS MASS OF UNSTABLE
WEATHER WAS WITHIN A 400 TO 500 MILES WIDE AREA CENTERED ALONG A
LINE FROM 12N 140W TO 11N 160W TO 04N 180E.  THE REMNANT OF FORMER
TROPICAL DEPRESSION GENEVIEVE WAS NOW BARELY DISCERNIBLE SOMEWHERE
AROUND 675 MILES SOUTHEAST OF HILO.

$$




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