Satellite Interpretation Message
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000
ATHW40 PHFO 051320
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1300 UTC SAT SEP 05 2015

BASED ON DATA THROUGH 1230 UTC SEPTEMBER 05 2015

SATELLITE IMAGERY SHOWS SCATTERED TOWERING CUMULUS /TCU/ AND
A FEW CUMULONIMBUS /CB/ CLOUDS CONFINED TO AN AREA 150 MILES
EITHER SIDE OF A LINE FROM 29N160W TO 21N162.5W. THIS PUT KAUAI
COUNTY JUST INSIDE THE BOX WHERE INTERIOR KAUAI HAS BEEN HAVING
BRIEF FLARE UPS OF SHOWERS DURING THE PAST 6 HOURS. AN ISOLATED CB
WITH A TOP OF 35K FEET IS LOCATED ABOUT 32 MILES SOUTHEAST OF POIPU.
THIS ACTIVITY IS THE RESULT OF LOW LEVEL WINDS CONVERGING WITHIN
THIS AREA...AND IS AIDED BY AN UPPER LEVEL LOW AND TROUGH. THE UPPER
LEVEL LOW IS LOCATED AT 33N167W WITH A TROUGH EXTENDING SOUTH TO
23N167W. A SECONDARY TROUGH IS LOCATED AT 31N172W OR TO THE WEST OF
THE TROUGH AXIS. IT IS CURRENTLY MOVING SOUTHEAST IT HAS BEEN MOVING
SOUTHEAST AT 25 MPH TOWARD THE AXIS.

SCATTERED CONVECTIVE ACTIVITY CONTINUED ACROSS THE LEEWARD WATERS
FROM SOUTH OF NIIHAU TO THE KONA COAST OF THE BIG ISLAND. A CB IS
LOCATED JUST OFF KAILUA-KONA AIRPORT THIS HOUR WITH A TOP OF 35K
FEET.

OTHERWISE...FAIR SKIES RULED THE REST OF THE MAIN HAWAIIAN ISLANDS.
A BAND OF SHALLOW LOW CLOUDS APPROACHING CAPE KUMUKAHI OF THE BIG
ISLAND HAS BEEN ERODING AS THE BAND APPROACH THE ISLAND...LIKELY DUE
TO SUBSIDENCE FROM THE NEARBY HURRICANE JIMENA WHICH IS LOCATED
ABOUT 600 MILES EAST OF HILO BIG ISLAND. THE WINDWARD WATERS FROM
OAHU TO THE BIG ISLAND IS FREE OF DEEP CONVECTION. HOWEVER...WEATHER
RADAR IS PICKING UP A LINE OF SCATTERED LOW CLOUDS ORIENTED
NORTHWEST TO SOUTHEAST THROUGH MAUI. A FEW SHOWERS HAVE BEEN
DETECTED WITH THIS LINE THAT IS MOVING SOUTHWEST...WITH THE
TRADES...AT NEAR 10 MPH.

AS NOTED EARLIER...HURRICANE JIMENA IS SOME 600 MILES EAST OF HILO
BIG ISLAND MOVING IN A NORTHERLY COURSE. DEEPEST CONVECTION OF
AROUND 47K FEET LIES WITHIN 70 MILES TO THE NORTH NORTHEAST OF THE
CENTER. DENSE LAYERED CLOUDS ARE CONFINED TO MOSTLY WITHIN 150 MILES
NORTHEAST TO SOUTHEAST QUADRANTS OF THE CENTER.

THE AREA SOUTH OF THE HAWAIIAN ISLANDS BETWEEN 11N AND 02N FROM 177W
TO 150W...CONTAIN WIDELY SCATTERED CLUSTERS OF STRONG THUNDERSTORMS
WITH TOPS TO 50K FEET.

$$

LAU










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