Satellite Interpretation Message
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000
ATHW40 PHFO 281834
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC TUE JUL 28 2015

BASED ON DATA THROUGH 1800 UTC JULY 28 2015

WATER VAPOR IMAGERY SHOWS A BROAD UPPER LEVEL LOW NORTHWEST OF THE
AREA NEAR 33N168W. SHORTWAVE TROUGHS EXTEND FROM THE LOW TO 22N170W
AND 27N180...AS WELL AS FARTHER EAST TO 28N144W. AN AREA OF
SCATTERED CUMULONIMBUS CLOUDS IS LOCATED NEAR THE WESTERN
TROUGHS...GENERALLY NORTH OF A LINE FROM 27N156W TO 23N164W TO
26N176W. CLOUD TOPS IN THIS AREA EXTEND UP TO 46000 FT.

A NEARLY ZONAL SUBTROPICAL JET STREAM IS LOCATED JUST SOUTH OF THE
TROUGH...WITH SATELLITE DERIVED WIND SPEEDS TO THE EAST-NORTHEAST AT
UP TO 80 MPH. AN AREA OF CIRRUS AND CIRROSTRATUS CLOUDS IS
ASSOCIATED WITH THIS JET. THESE CLOUDS ARE GREATEST IN COVERAGE
WITHIN 300 MILES NORTH OF A LINE FROM 23N155W TO 18N172W.

FARTHER TO THE SOUTH...ISOLATED CUMULONIMBUS CLOUDS ASSOCIATED WITH
A SURFACE TROUGH ARE LOCATED WITHIN 300 MILES EAST OF A LINE FROM
17N157W TO 10N163W. CLOUD TOPS IN THIS AREA EXTEND UP TO 48000 FT.
INDIVIDUAL CELLS ARE MOVING TO THE WEST AND NORTHWEST AT 10 TO 15
MPH. ADDITIONAL CIRRUS DEBRIS CLOUDS ARE LOCATED THROUGH THIS AREA
AS WELL...GENERALLY SOUTH OF A LINE FROM 21N151W TO 15N163W. THESE
HIGH CLOUDS ARE MOVING TO THE NORTH AND NORTHEAST AT 25 TO 35 MPH.

ACROSS THE MAIN HAWAIIAN ISLANDS...BROKEN TO OVERCAST LOW CLOUDS
COVER THE EASTERN HALF OF KAUAI AND THE WINDWARD SLOPES OF THE
KOOLAU RANGE ON OAHU. AN AREA OF SHOWERS CLOUDS IS LOCATED ACROSS
LEEWARD WATERS GENERALLY BETWEEN 20 MILES AND 100 MILES WEST AND
SOUTHWEST OF OAHU. THESE CLOUDS ARE MOVING TO THE NORTHWEST AT 15
MPH. BROKEN LOW CLOUDS COVER EASTERN MOLOKAI FROM PUKOO EASTWARD...
AND NORTHERN COASTAL SECTIONS OF LANAI AND WEST MAUI. BROKEN TO
OVERCAST LOW CLOUDS COVER THE EASTERN SLOPES OF HALEAKALA FROM
NAHIKU TO HANA TO KAUPO BELOW 5000 FT.

ON THE BIG ISLAND...SCATTERED TO BROKEN LOW AND MID LEVEL CLOUDS ARE
LOCATED OVER SOUTH HILO AND PUNA DISTRICTS...AND ARE GREATEST IN
COVERAGE TO THE SOUTH AND EAST OF GLENWOOD. AN AREA OF BROKEN TO
OVERCAST LOW CLOUDS IS LOCATED JUST OFFSHORE OF PUNA DISTRICT...
EXTENDING 30 TO 40 MILES OFFSHORE TO THE EAST AND SOUTHEAST. A SMALL
AREA OF MID LEVEL CLOUDS IS LOCATED OVER UPSLOPE SECTIONS OF KAU
DISTRICT GENERALLY BETWEEN 4000 FT AND 11000 FT FROM PAHALA EASTWARD.

$$

BRAVENDER





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