Satellite Interpretation Message
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049
ATHW40 PHFO 310546
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC SUN JUL 31 2016

BASED ON DATA THROUGH 0500 UTC JULY 31 2016

HIGH PRESSURE FAR TO THE NORTH IS PRODUCING LOW LEVEL TRADE WINDS
ACROSS THE CENTRAL SUBTROPICAL PACIFIC. THE TRADES ARE BLOWING SCATTERED
TO BROKEN LOW CLOUDS WESTWARD AT 15 TO 20 MPH. STABLE STRATUS AND
STRATOCUMULI ARE ENTERING THE CENTRAL PACIFIC FROM THE EAST NEAR
140W...BEFORE TRANSFORMING TO STRATOCUMULUS AND CUMULUS NEAR
HAWAII AND POINTS WEST.

7PM SATELLITE IMAGES SHOW SOME ENHANCED SHOWERS UPSTREAM OF THE
STATE WITH CLOUD TOPS REACHING 10 TO 15 THOUSAND FEET. ONE BATCH
OF THESE CLOUDS EXTENDS 200 MILES EAST OF THE BIG ISLAND... AND
THE OTHER IS 200 MILES NORTH AND NORTHEAST OF KAUAI. CURRENT SKIES
OVER THE ISLANDS SHOW PARTLY CLOUDY SKIES OVER WINDWARD AREAS WITH
MOSTLY CLEAR SKIES OVER LEEWARD LOCATIONS OF THE SMALLER ISLANDS.
THE LEEWARD BIG ISLAND IS MOSTLY CLOUDY BUT IS IN THE PROCESS OF
CLEARING AS DAYTIME HEATING DISSIPATES.

A SURFACE TROUGH 900 SOUTHWEST OF KAUAI IS FIRING ISOLATED
THUNDERSTORMS FROM 10N TO 18N BETWEEN 170W AND THE DATELINE. UPPER
LEVEL WINDS ARE ADVECTING HIGH CLOUDS FROM THOSE THUNDERSTORMS
TOWARD THE NORTHEAST WHERE THEY ARE IMPINGING ON KAUAI SKIES.

IN THE DEEP TROPICS...THE INTERTROPICAL CONVERGENCE ZONE EXTENDS
FROM THE EAST PACIFIC TO ABOUT 155W AND IS FORMING SCATTERED
THUNDERSTORMS FROM 07N TO 12N BETWEEN 140W AND 160W. OVERSHOOTING
CLOUD TOPS ARE REACHING AS HIGH AS 55 THOUSAND FEET. THESE
THUNDERSTORMS ARE MOVING 10 MPH TOWARD THE WEST.

$$

MORRISON



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