Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 190024
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC SAT APR 19 2014

BASED ON DATA THROUGH 0000 UTC APRIL 19 2014

WATER VAPOR IMAGERY SHOWED AN UPPER LOW FORMING NEAR 17N 165W.  AN
UPPER LEVEL TROUGH EXTENDED SOUTH FROM THE LOW TO 14N 165W THEN
SOUTHWEST TO NEAR 11N 170W.  THE TROUGH AND LOW WERE NEARLY
STATIONARY.

THE SOUTHERLY WINDS ON THE EAST SIDE OF THE TROUGH AND LOW WERE
DRAWING CIRRUS CLOUDS UP FROM THE DEEPER TROPICS AND SPREADING THEM
OVER ONTO THE ISLANDS.  THESE HIGH CLOUDS WERE FLOWING NORTH TO THE
ISLANDS BEFORE VEERING EASTWARD.  BROKEN CIRRUS CLOUDS WERE COMMON
FROM 10N TO 18N BETWEEN 156W AND 164W.  SCATTERED TO BROKEN CIRRUS
OCCUPIED THE AREA FROM 18N TO 22N BETWEEN 163W AND 140W.

LARGE STREAKS OF BROKEN CIRRUS WERE ALSO NOTED FAR NORTHWEST OF THE
STATE WITHIN AN AREA BOUNDED BY POINTS 23N 175W...27N 176W...35N
150W AND 32N 150W.  THE CIRRUS IN THIS AREA WAS STREAMING TOWARD THE
EAST NORTHEAST.

MEANWHILE...PERSISTENT TRADE WINDS CONTINUED TO SWEEP RANDOM PATCHES
AND CLUSTERS OF LOW CLOUDS WESTWARD INTO THE HAWAIIAN ISLANDS.  NEAR
THE STATE...THE LOW CLOUDS WERE MOVING WEST AT 20 TO  25 MILES AN
HOUR.

AT 2 PM...THERE APPEARED TO BE AN EVEN MIX OF MOSTLY SUNNY AND
MOSTLY CLOUDY SKIES OVER EACH ISLAND WITHIN THE CHAIN.  THE
CLOUDIEST AREA WAS ALONG THE KONA AND KAU SLOPES ON THE LEE SIDE OF
THE BIG ISLAND.

$$





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