Satellite Interpretation Message
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000
ATHW40 PHFO 310535
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC MON AUG 31 2015

BASED ON DATA THROUGH 0500 UTC AUGUST 31 2015

SATELLITE IMAGERY SHOWS TWO TROPICAL CYCLONES IN THE CENTRAL NORTH
PACIFIC.

HURRICANE IGNACIO IS CURRENTLY CENTERED ABOUT 355 MILES TO THE EAST
OF HILO. IT IS CURRENTLY MOVING TOWARD THE NORTHWEST AT 12 MILES
PER HOUR.

HURRICANE KILO IS CURRENTLY CENTERED ABOUT 1220 MILES TO THE WEST OF
KAUAI. IT IS CURRENTLY MOVING TOWARD THE NORTHWEST AT AROUND 9 MILES
PER HOUR.

THE LOW LEVEL WIND FLOW AROUND THE MAIN HAWAIIAN ISLANDS IS FROM THE
EAST NORTHEAST DIRECTION WITH SPEEDS BETWEEN 15 AND 20 MPH.

LOW CLOUD COVERAGE AROUND THE MAIN HAWAIIAN ISLANDS IS GENERALLY
SCATTERED WITH OVERCAST PATCHES. SATELLITE IMAGERY AND WEATHER RADAR
SHOWS AN AREA OF SCATTERED SHOWERS LOCATED OVER THE WINDWARD WATERS
NORTH OF OAHU...HEADING TOWARDS KAUAI...AND WHERE IT MAY CLIP OAHU
LATER THIS EVENING. OTHERWISE...SKIES HAVE BEEN FAIR ACROSS THESE
TWO ISLANDS THIS AFTERNOON WITH LOCALLY BROKEN CONDITIONS OVER THE
WINDWARD AND MOUNTAIN AREAS. MOLOKAI HAS FAIR SKIES AS WELL WITH A
FEW SHOWERS OVER THE EAST END OF THE ISLAND. MAUI HAS BEEN CLOUDY
AND SHOWERY FOR MOST OF THE DAY. ONLY IN THE PAST HOUR OR TWO DID
THE THINNING OCCURRED, LEEWARD BIG ISLAND AND THE LOWER HALF OF THE
KAU DISTRICT HAD THE MOST SHOWERS OF ALL THE ISLANDS THIS AFTERNOON
AS MOISTURE SETTLED IN EARLIER IN THE DAY FROM THE EAST. AS THE SUN
SETS...THE SHOWERS ARE BEGINNING TO DIMINISH. ON THE OTHER SIDE OF
THE BIG ISLAND...SKIES ARE GENERALLY FAIR FOR A CHANGE. THERE ARE A
COUPLE OF SMALL SHOWERS BLOWING IN FROM THE NORTHEAST TIME TO TIME.
THE TWO SUMMITS ARE UNDER CLEAR SKIES.

ABOUT 170 MILES EAST OF THE BIG ISLAND IS THE LEADING EDGE TO THE
CIRRUS CLOUD FIELD OF HURRICANE IGNACIO. THE BLOW OFF OF THE CLOUDS
OF IGNACIO...DUE TO UPPER LEVEL SHEARING...STRETCHES TO THE NORTH
FOR 400 MILES BEFORE TURNING EAST FOR AN ADDITIONAL 700 TO 800 MILES.
CLOUD TOPS ARE ESTIMATED TO BE UP TO 52000 FEET.

ABOUT 450 MILES EAST OF 140 DEGREES LONGITUDE IS HURRICANE JIMENA.

ELSEWHERE ON SATELLITE...ABOUT 200 TO 500 MILES NORTHWEST OF KAUAI
IS A CLUSTER OF CUMULONIMBUS CLOUDS /CB/...ASSOCIATED WITH AN UPPER
LEVEL LOW...WHICH HAS BEE SITTING THERE FOR A COUPLE OF DAYS. CB
TOPS ARE AROUND 44000 FEET.

A NORTHEAST TO SOUTHWEST ORIENTED UPPER LEVEL TROUGH LIES JUST TO
THE WEST OF MIDWAY ATOLL...LOCATED NEAR 28N177W. ISOLATED TO
SCATTERED
CB ARE NOTED WITHIN 60 MILES EITHER SIDE OF A LINE FROM30N173W TO
27N176W WITH TOPS TO 34000 FEET.

ABOUT 570 MILES SOUTH OF MIDWAY IS THE CENTER OF HURRICANE KILO.
CLOUD TOPS ARE ESTIMATED TO BE UP TO AROUND 54000 FEET. BLOW OFF
FROM CONVECTION IS TO THE NORTH FOR ABOUT 200 MILES BEFORE
TURNING TO THE EAST FOR AN ADDITIONAL 300 TO 400 MILES.

DEEP CONVECTION IN THE TROPICS SOUTH OF THE HAWAIIAN ISLANDS IS
CONCENTRATED TO SOUTH OF 06N WEST OF 173W...OR IN THE VICINITY OF
THE DATELINE... WITH TOPS TO 54000 FEET. A SECOND AREA LIES FURTHER
EAST BETWEEN 08N AND 03N FROM 155W TO 165W...WITH TOPS TO AROUND
45000 FEET.


$$

LAU






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