Satellite Interpretation Message
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000
ATHW40 PHFO 091227
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC FRI DEC 09 2016

BASED ON DATA THROUGH 1200 UTC DECEMBER 09 2016

A 900 MILE WIDE BAND OF OVERCAST CLOUDS CONTINUES TO BLANKET THE
MAIN HAWAIIAN ISLANDS. THE CLOUD TOPS OVER THE AREA EXTEND UP TO
40000 FT. THESE APPEAR TO BE LAYERED CLOUDS. THE EAST EDGE OF THE
CLOUD BAND...RUNS FROM 30N145W TO 20N145W...ABOUT 650 MILES EAST OF
HILO...TO 10N150W...WHERE IT JOINS THE INTERTROPICAL CONVERGENCE
ZONE...ITCZ. THE CLOUDS ALONG THE EAST EDGE APPEAR TO BE MOSTLY
HIGH...CIRRUS...CLOUDS. THE WEST EDGE RUNS FROM 30N160W TO 125 MILES
WEST OF KAUAI...TO 10N167W. ISOLATED LIGHTNING STRIKES ARE BEING
OBSERVED ALONG A NARROW LINE FROM 28N152W TO 26N155W...ABOUT 350
MILES NORTH OF OAHU. THE LAYERED CLOUDS OBSCURE ALL LOWER LEVEL
FEATURES. IT IS POSSIBLE THE LAYERED CLOUDS CONCEAL SOME TOWERING
CUMULUS...TCU...OR CUMULONIMBUS...CB...CONVECTIVE BUILDUPS CLOSER TO
THE MAIN HAWAIIAN ISLANDS...BUT NONE ARE OBVIOUS ON THE SATELLITE
IMAGERY...AND RADARS ARE NOT SHOWING HEAVY SHOWERS NEAR THE ISLANDS.
THERE ARE SCATTERED CB WITH TOPS EXTENDING TO 55000 FEET...WELL
ABOVE THE LAYERED CLOUDS...SOUTH OF 12N BETWEEN 151W AND 159W. THESE
CB ARE OVER 450 MILES SOUTH OF THE MAIN HAWAIIAN ISLANDS.

THE CLOUD BAND OVER THE MAIN HAWAIIAN ISLANDS IS ASSOCIATED WITH A
TROUGH ALOFT CENTERED FROM 30N168W TO 10N168W. OVER THE PAST SEVERAL
HOURS...THE TROUGH...AND THE WEST EDGE OF THE CLOUD BAND HAVE MOVED
LITTLE. THE EAST EDGE OF THE BAND HAS MOVED EAST AS CIRRUS CLOUDS
HAVE SPREAD OUT AHEAD OF THE LAYERED CLOUDS.

TO THE EAST OF THE LAYERED CLOUDS...THERE ARE SCATTERED TO BROKEN
LOW CLOUDS OVER WATER EAST AND SOUTHEAST OF THE MAIN HAWAIIAN
ISLANDS. THESE CLOUDS ARE MOVING TOWARD THE WEST AT 20 TO 25 MPH. TO
THE WEST OF THE LAYERED CLOUDS...A POORLY DEFINED 100 MILE WIDE BAND
OF SHOWERY BROKEN LOW CLOUDS ALONG THE TRAILING END OF A FRONT
NORTHWEST OF A LINE FROM 17N180W TO 20N170W TO 24N160W...WHERE IT
DISAPPEARS UNDER HIGHER CLOUDS.

$$
DONALDSON

EFFECTIVE WEDNESDAY...DECEMBER 14 2016...THE NWS WILL DISCONTINUE
THIS PRODUCT. FOR QUESTIONS...PLEASE CONTACT TOM EVANS AT
808-973-5273. THE OFFICIAL CHANGE NOTICE CAN BE FOUND AT...ALL
LOWER CASE...HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM


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