Satellite Interpretation Message
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000
ATHW40 PHFO 241835
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC TUE MAY 24 2016

BASED ON DATA THROUGH 1800 UTC MAY 24 2016

SINCE LATE LAST NIGHT...CLOUDS HAVE INCREASED OVER KAUAI...DECREASED
OVER THE BIG ISLAND OF HAWAII...AND CHANGED LITTLE ELSEWHERE AROUND
THE MAIN HAWAIIAN ISLANDS.

AS OF 0800 AM...THERE ARE SCATTERED LOW CLOUDS OVER NIIHAU. BROKEN
TO OVERCAST LOW CLOUDS COVER KAUAI. CLOUDS ARE ISOLATED OVER OAHU...
MOLOKAI... LANAI AND MAUI EXCEPT FOR SMALL PATCHES OF BROKEN LOW
CLOUDS OVER THE KOOLAU MOUNTAINS ON OAHU...OVER EAST MOLOKAI...
CENTRAL LANAI AND OVER THE WINDWARD SLOPES OF WEST AND EAST MAUI.
BROKEN TO OVERCAST LOW CLOUDS COVER THE LOWER WINDWARD SLOPES OF THE
BIG ISLAND FROM HAKALAU TO VOLCANO TO NAALEHU. THESE CLOUDS EXTEND
UPSLOPE TO ABOUT 7000 FEET OF ELEVATION. THERE ARE SCATTERED LOW
CLOUDS ALONG THE WINDWARD COAST...ISOLATED CLOUDS OVER THE LEEWARD
COAST AND LOWER SLOPES...AND CLEAR SKIES OVER THE INTERIOR ABOVE
7000 FEET.

LOW CLOUDS NEAR THE MAIN HAWAIIAN ISLANDS ARE MOVING FROM THE EAST
AROUND 15 MPH. THERE ARE BROKEN TO OVERCAST LOW CLOUDS WITHIN 35
MILES UPSTREAM TO THE EAST OF KAUAI...MOSTLY STABLE STRATOCUMULUS.
THERE ARE SCATTERED SHOWERY LOW CLOUDS IMMEDIATELY UPSTREAM OF THE
ISLANDS FROM OAHU TO MAUI AND SCATTERED TO BROKEN SHOWERY LOW CLOUDS
IMMEDIATELY UPSTREAM OF THE BIG ISLAND. A 100 MILE WIDE BAND OF
SHOWERY BROKEN LOW CLOUDS IS NORTHEAST OF A LINE FROM 20N 140W TO
19N 150W TO 90 MILES NORTHEAST OF THE BIG ISLAND TO 110 MILES
NORTHEAST OF OAHU. THE PART OF THE BAND EAST OF THE BIG ISLAND IS
MOVING TOWARD THE WEST AT 15 MPH WHILE THE PART NORTHEAST OF OAHU IS
MOVING TOWARDS THE WEST NORTHWEST AT 10 TO 15 MPH.

SHOWERY BROKEN TO OVERCAST LOW CLOUDS ASSOCIATED WITH THE TRAILING
END OF FRONTAL BAND COVER THE AREA NORTHWEST OF A LINE FROM 30N 160W
TO 90 MILES SOUTHEAST OF MIDWAY ATOLL TO 26N180W. THESE CLOUDS
BLANKET MIDWAY ATOLL.

WATER VAPOR IMAGERY...WHICH SHOWS FEATURES MAINLY ABOVE 24000 FT...
SHOWS A TROUGH ALOFT CENTERED FROM 30N 164W TO 23N 164W...275 MILES
WEST NORTHWEST OF KAUAI. THE TROUGH HAS BEEN MOVING TOWARDS THE EAST
SOUTHEAST AT 10 MPH. AN AREA OF BROKEN TO OVERCAST HIGH CLOUDS
ASSOCIATED WITH THE TROUGH EXTEND FROM 157W TO 165W NORTH OF 24N.

$$
DONALDSON



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