Satellite Interpretation Message
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932
ATHW40 PHFO 251227
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC SUN SEP 25 2016

BASED ON DATA THROUGH 1200 UTC SEPTEMBER 25 2016
FAIR SKIES PREVAILED ACROSS THE MAIN HAWAIIAN ISLANDS THIS EARLY
SUNDAY MORNING. ANY SHOWERS THAT ARISES ARE BRIEF AND ISOLATED...
FAVORING THE WINDWARD AREAS OF THE LARGER ISLANDS. SATELLITE
IMAGERY IS INDICATING A BAND OF BROKEN LOW CLOUDS LOCATED JUST
OFF THE WINDWARD SHORES FROM MOLOKAI TO OFF THE BIG ISLAND/S
HAMAKUA COAST. THE BAND APPEARS TO BE DISSIPATING AS IT APPROACHES
THESE ISLANDS INCLUDING MAUI. WEATHER RADAR IS NOT DETECTING MUCH
SHOWERS WITH THIS BAND.

MINIMUM LOW CLOUDS CONTINUED TO THE NORTH-NORTHEAST OF THE ISLANDS
FOR 600 MILES...AND TO 200 MILES EAST OF THE BIG ISLAND. LOW CLOUDS
INCREASES BEYOND THAT POINT EAST OF THE BIG ISLAND.

ABOUT 500 MILES NORTH-NORTHWEST OF KAUAI IS THE LEADING EDGE OF A
FRONTAL CLOUD BAND THAT IS ABOUT 180 MILES WIDE. AS OF 2AM
HST...THE COORDINATES OF THE FRONT ARE 30N159W 28N165W 26N175W
AND 27N178E. THE SOUTHWARD ADVANCEMENT OF THE BAND HAS SLOWED AND
IS ALMOST STATIONARY. MIDWAY ATOLL NEAR THE BACK END OF THE BAND.

DEEP CONVECTION IS ISOLATED SOUTH OF THE HAWAIIAN ISLANDS BETWEEN
14N AND 06N FROM 170W TO 140W. WATER VAPOR IMAGERY REVEALS AN
UPPER LEVEL LOW 21N179W. OVERCAST LAYERED CLOUDS COVERED THE AREA
SOUTH OF THE UPPER LOW BETWEEN 21N AND 10N WEST OF 172W. THESE
CLOUDS THINS OUT AS THEY ARE BLOWN NORTHEASTWARD TOWARDS HAWAII.
THERE ARE NO SIGNIFICANT WEATHER FEATURES IN THE VICINITY OF THE
MAIN HAWAIIAN ISLANDS AT THE HIGHER LEVELS OF THE ATMOSPHERE. THE
WIND FLOW AT 30K FEET ABOVE THE ISLANDS IS FROM THE SOUTHWEST.

$$
LAU



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