Satellite Interpretation Message
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000
ATHW40 PHFO 281830
SIMHI

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

BASED ON DATA THROUGH 1800 UTC FEBRUARY 28 2015

CLOUD COVER OVER THE MAIN HAWAIIAN ISLANDS HAS CHANGED LITTLE SINCE
LATE LAST NIGHT. SHOWERY...BROKEN TO OVERCAST LOW CLOUDS COVER THE
NORTHEAST HALF OF KAUAI...WITH SCATTERED LOW CLOUDS OVER THE
SOUTHWEST HALF. SHOWERY...SCATTERED TO BROKEN LOW CLOUDS UPSTREAM
OF KAUAI ARE MOVING FROM SLIGHTLY EAST OF NORTH AROUND 15 MPH.
BROKEN TO OVERCAST LAYERED CLOUDS COVER THE AREA FROM OAHU
SOUTHEASTWARD. THESE CLOUDS OBSCURE MOST LOWER LEVEL FEATURES ON
SATELLITE IMAGERY. ISOLATED CUMULONIMBUS CLOUD...CB...TOPS CAN BE
SEEN EXTENDING ABOVE THE LAYERED CLOUDS WITHIN 200 MILES EAST OF THE
BIG ISLAND OF HAWAII AND WITHIN 50 MILES OF A LINE FROM 90 MILES
SOUTHWEST OF SOUTH POINT TO 17N164W. A 150 MILE WIDE BAND OF SHOWERY
BROKEN TO OVERCAST LOW CLOUDS AND SCATTERED TOWERING CUMULUS
CLOUDS...TCU...IS SOUTHEAST OF A LINE FROM THE SOUTHWEST EDGE OF THE
LAYERED CLOUDS DESCRIBED ABOVE TO 14N180W.

A LARGE AREA OF BROKEN TO OVERCAST LOW CLOUDS IS NORTHWEST OF A
LINE FROM 30N153W TO 26N156W TO 24N160W TO 17N170W TO 17N180W. MOST
OF THESE CLOUDS ARE STABLE STRATOCUMULUS BUT THERE ARE SHOWERY
BROKEN TO OVERCAST LOW CLOUDS...SCATTERED TCU AND ISOLATED CB ALONG
THE SOUTHEAST EDGE OF THE AREA NORTH OF 25N. THERE MAY BE A SURFACE
LOW NEAR 26N156W. THERE ARE ALSO SHOWERY BROKEN LOW CLOUDS NORTHWEST
OF A LINE FROM 30N158W TO 28N160W TO 24N170W TO 23N180W.

THE LAYERED CLOUDS OVER THE MAIN HAWAIIAN ISLANDS ARE PART OF A 450
MILE WIDE BAND SOUTHEAST OF A LINE FROM 30N152W...680 MILES NORTH
NORTHEAST OF MOLOKAI...OVER OAHU TO 16N164W...500 MILES SOUTHWEST OF
KAUAI. THE CLOUD BAND IS ASSOCIATED WITH A BROAD...DEEP TROUGH ALOFT
CENTERED FROM A LOW ALOFT NEAR 40N163W TO 30N164W TO 15N170W. A
STRONG JET STREAM RUNS FROM 20N180W TO 18N170W OVER OAHU TO 30N151W.

$$
DONALDSON




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