Satellite Interpretation Message
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ATHW40 PHFO 031146
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC FRI JUL 03 2015

BASED ON DATA THROUGH 1200 UTC JULY 03 2015

AS OF 200 AM HST...SATELLITE IMAGERY SHOWED A NARROW BAND OF CUMULUS
CLOUDS ASSOCIATED WITH A STATIONARY FRONTAL BOUNDARY EXTENDING
SOUTHWEST FROM 30N156W TO 150 MILES NORTHWEST OF KAUAI TO
18N170W...THEN WEST TO THE DATELINE AROUND 19N. MAXIMUM CLOUD TOPS
WITHIN THIS BAND EXTENDED AS HIGH AS 25 THOUSAND FEET...MAINLY
BETWEEN 23N AND 30N. WEST OF THIS BAND OF CLOUDS...A SIMILAR BAND OF
CUMULUS CLOUDS EXTENDED SOUTHWEST FROM 30N162W TO 23N170W...THEN
WEST TO THE DATELINE AROUND 22N. THIS BAND OF CLOUDS WAS MOVING
EASTWARD AROUND 10 MPH BETWEEN 25N AND 30N AND SOUTHWARD AT 10 TO 15
MPH BETWEEN 170W AND THE DATELINE.

NORTH OF THE MAIN HAWAIIAN ISLANDS...SCATTERED CUMULUS CLOUDS WERE
TRACKING NORTHWARD AROUND THE SUBTROPICAL RIDGE AXIS BETWEEN 22N AND
30N FROM 147W TO 155W. SOUTH OF THE RIDGE AXIS AND EAST OF THE BIG
ISLAND...SCATTERED CUMULUS CLOUDS WERE TRACKING WESTWARD AROUND 15
MPH. CLOUD TOPS ASSOCIATED WITH THESE CLOUDS WERE LESS THAN 10
THOUSAND FEET.

WELL SOUTH AND SOUTHEAST OF THE ISLANDS...SCATTERED CUMULONIMBUS
CLOUDS WERE LOCATED BETWEEN 3N AND 13N FROM 163W TO 140W. CLOUD TOPS
ASSOCIATED WITH THESE CLOUDS WERE AS HIGH AS 50 TO 60 THOUSAND FEET.
DEBRIS CLOUDS...MOSTLY IN THE FORM OF CIRRUS...ASSOCIATED WITH A
TROPICAL DISTURBANCE WEST OF THE DATELINE WAS SHOWN TRACKING
EAST-NORTHEAST BETWEEN 12N AND 17N FROM THE DATELINE TO JUST SOUTH
AND SOUTHWEST OF THE ISLANDS.

OVER AND AROUND THE MAIN HAWAIIAN ISLANDS...SCATTERED TO BROKEN
LOW-LEVEL CLOUDS WERE SHOWN LIFTING WEST-NORTHWEST TOWARD AND OVER
THE ISLANDS. MAXIMUM CLOUD TOP HEIGHTS ESTIMATED FROM RADAR RANGED
FROM 25 TO 35 THOUSAND FEET AROUND 50 MILES SOUTH OF OAHU. DIRECTLY
OVER THE ISLANDS...THE BULK OF THE CLOUD COVERAGE WAS FOCUSED OVER
OAHU WHERE BROKEN TO OVERCAST LOW TO MID-LEVEL CLOUDS WHERE SHOWN
LIFTING NORTH-NORTHWESTWARD. BROKEN TO OVERCAST LOW CLOUDS WERE
ALSO SHOWN ACCUMULATING ALONG THE WINDWARD SIDE OF THE BIG ISLAND.
ELSEWHERE OVER THE ISLANDS...ISOLATED TO SCATTERED LOW CLOUDS WERE
DEPICTED WITH MOSTLY CLEAR SKIES ELSEWHERE.

$$

AG





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