Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 141230
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC MON JUL 14 2014

BASED ON DATA THROUGH 1200 UTC JULY 14 2014

THE WATER VAPOR LOOP SHOWS A BROAD AND NEARLY STATIONARY UPPER LEVEL
TROUGH WITH AN AXIS FROM 32N176W TO 17N178W. INFRARED SATELLITE
SHOWS A SWATH OF BROKEN CIRRUS CLOUDS ACROSS THE EASTERN FLANK OF
THE TROUGH. THESE CLOUDS COVER AN AREA FROM 18N TO 25N AND 153W TO
169W...AND ARE PASSING OVER THE MAIN HAWAIIAN ISLANDS THIS MORNING.
A FEW STRANDS OF CIRRUS CLOUDS EXTEND BEYOND THE EARLIER MENTIONED
BOUNDARIES.

BROKEN TO OVERCAST STRATUS AND STRATOCUMULUS CLOUDS COVER THE AREA
PRIMARILY EAST OF 155W. THESE CLOUDS ARE TRAVELING EAST TO WEST AT
15 TO 20 MPH. WEST OF 145W...THE COVER BECOMES SCATTERED TO BROKEN
CUMULUS AND STRATOCUMULUS CLOUDS.

ACROSS THE MAIN HAWAIIAN ISLANDS....LOW CLOUDS ARE HARD TO OBSERVE
WITH THE BROKEN HIGH CLOUDS OVERHEAD. GENERALLY...CLOUD COVER ON
THE WINDWARD SIDES OF THE SMALLER ISLANDS IS BROKEN TO OVERCAST.
SCATTERED SHOWERS ARE ALSO PREVALENT OVER THE WINDWARD SIDES. ON
LEEWARD SIDES...SCATTERED TO BROKEN CLOUDS COVER THESE AREAS.

THE SOUTHERN PORTION OF THE CENTRAL PACIFIC BASIN IS FAIRLY ACTIVE
WITH THUNDERSTORMS DUE TO SEVERAL SURFACE FEATURES ALONG THE ITCZ. A
CLOSED LOW CENTERED NEAR 10N179E...CURRENTLY THE STRONGEST OF TWO
FEATURES. HIGHEST CLOUD TOPS ASSOCIATED WITH THE THUNDERSTORMS ARE
UP TO 55 KFT...AND LOCATED WITHIN A 200 MILE RADIUS OF THE CENTER.

TO THE EAST...A TROUGH AXIS GOES FROM 14N133W TO 09N133W. CLUSTERS
OF THUNDERSTORMS WITH TOPS AROUND 50 KFT ARE LOCATED WITHIN THESE
TROUGHS. ELSEWHERE...ISOLATED TO SCATTERED THUNDERSTORMS ARE LOCATED
WITHIN THE ITCZ WHICH LIES BETWEEN THE EQUATOR TO 08N LATITUDES
SPANNING THE WIDTH OF THE CENTRAL PACIFIC BASIN.

$$

FOSTER





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