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Hawaiian Islands Satellite Interpetation Message

526
ATHW40 PHFO 160530
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC WED APR 16 2014

BASED ON DATA THROUGH 0500 UTC APRIL 16 2014

LATEST WATER VAPOR AND INFRARED SATELLITE DATA SHOWS A WEAKENING
UPPER LEVEL LOW CENTERED AROUND 24.3N 144.3W...OR ABOUT 700 MILES NE
OF THE BIG ISLAND....SLOWLY DRIFTING NE. A CLUSTER OF ACTIVE
THUNDERSTORMS IS BEING OBSERVED SURROUNDING THE AREA OF THE UPPER
LOW WITH CLOUD TOPS REACHING 38 THOUSAND FEET.

CLOSER TO THE MAIN HAWAIIAN ISLANDS...SCATTERED TO LOCALLY BROKEN
LOW CLOUDS PREVAIL OVER MUCH OF THE BIG ISLAND...EXCEPT FOR MOSTLY
CLEAR CONDITIONS BEING OBSERVED AT ALTITUDES ABOVE 7 THOUSAND FEET.
OVERCAST LOW CLOUDS COVER MUCH OF THE LEEWARD COASTLINE FROM KONA
DOWN TO MILOLII. ON MAUI COUNTY...GENERALLY SCATTERED TO LOCALLY
BROKEN LOW CLOUDS WITH ISOLATED SHOWERS PREVAIL OVER WINDWARD AREAS
OF MAUI AND MOLOKAI...INCLUDING THE INTERIOR W MAUI MOUNTAINS. ON
OAHU...MAINLY BROKEN LOW CLOUDS PREVAIL ACROSS THE ISLAND EXCEPT
RIGHT ALONG THE LEEWARD COASTLINE FROM EWA BEACH TO MAKAHA VALLEY
WHERE MOSTLY CLEAR CONDITIONS PREVAIL. PORTIONS OF THE KOOLAU RANGE
REMAIN OVERCAST WITH SCATTERED SHOWERS...SOME OF WHICH ARE REACHING
LEEWARD AREAS AT TIMES. ON KAUAI COUNTY...BROKEN LOW CLOUDS LINGER
OVER WINDWARD AND INTERIOR AREAS OF KAUAI.

ELSEWHERE...IN GENERAL...SCATTERED TO LOCALLY BROKEN CUMULUS AND
STRATOCUMULUS CLOUDS PREVAIL ACROSS THE AREA. INDIVIDUAL CLOUD
MOTION E OF 170W IS TO THE WSW AT 15 TO 20 MPH...AND BECOMING MORE
WESTERLY FROM 170W TO 180. FAR SE OF THE ISLANDS...AN 800 MILE-WIDE
SWATH OF OVERCAST LAYERED CLOUDS WITH EMBEDDED ACTIVE THUNDERSTORMS
IS CENTERED AROUND A LINE FROM 02.0N 158.1W TO 16.3N 140.0W. A LARGE
CLUSTER OF EMBEDDED THUNDERSTORMS IS CENTERED AROUND 08.1N
151.2W...OR ABOUT 820 MILES SE OF THE BIG ISLAND. THUNDERSTORM CLOUD
TOPS ARE REACHING 47 THOUSAND FEET. CLOUD MOTION WITHIN THE SWATH
OF LAYERED CLOUDS IS TO THE NNE AT UP TO 60 MPH...BUT THE SWATH
ITSELF IS SLOWLY DRIFTING NNE.

A LARGE CLUSTER OF THUNDERSTORMS COVER THE AREA NEAR THE
INTERTROPICAL CONVERGENCE ZONE...OR ITCZ...BETWEEN 01N TO 08N AND
170W TO 180...OR ABOUT 1600 MILES SW OF OAHU. TOWER CUMULUS TOPS ARE
PUSHING 52 THOUSAND FEET.

$$

REYNES










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It was last modified on: Tue, Sep 21 2010 - 2314 UTC
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