Satellite Interpretation Message
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000
ATHW40 PHFO 090530
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC FRI DEC 09 2016

BASED ON DATA THROUGH 0500 UTC DECEMBER 09 2016

A BROAD BAND OF OVERCAST CLOUDS 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 25N140W TO 20N149W...ABOUT 400 MILES EAST OF
HILO...TO 10N155W... WHERE IT JOINS THE INTERTROPICAL CONVERGENCE
ZONE... ITCZ. THE CLOUDS ALONG THE SOUTHEAST EDGE APPEAR TO BE
MOSTLY HIGH...CIRRUS CLOUDS. THE WEST EDGE RUNS FROM 30N158W TO
25N162W...220 MILES NORTHWEST OF KAUAI...TO 10N166W. LIGHTNING
STRIKES ARE BEING OBSERVED ALONG A NARROW LINE FROM 26N155W TO
24.5N157W...ABOUT 200 MILES NORTH OF OAHU. 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.
THE LAYERED CLOUDS OBSCURE ALL LOWER LEVEL FEATURES. THERE ARE
SCATTERED CB WITH TOPS EXTENDING TO 53000 FEET...WELL ABOVE THE
LAYERED CLOUDS...SOUTH OF A LINE FROM 10N151W TO 11N159W TO
10N161W. THESE CB ARE OVER 500 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 10N169W. OVER THE PAST
SEVERAL HOURS...THE TROUGH...AND THE PART OF THE CLOUD BAND OVER
THE MAIN HAWAIIAN ISLANDS HAVE SHIFTED EAST AT 10 MPH.

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 AROUND 15 MPH. TO
THE WEST OF THE LAYERED CLOUDS...A SURFACE LOW IS CENTERED NEAR
33N158W...735 MILES NORTH OF KAUAI. A POORLY DEFINED 120 MILE WIDE
BAND OF SHOWERY BROKEN LOW CLOUDS ALONG A WEAK FRONT IS CENTERED
FROM 30N154W TO 26N160W TO 24N170W.

$$
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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