Satellite Interpretation Message
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000
ATHW40 PHFO 291255
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1235 UTC SUN MAR 29 2015

BASED ON DATA THROUGH 1200 UTC MARCH 29 2015

MOST OF OAHU IS STILL UNDER A BROKEN CLOUD COVER THIS HOUR WITH
CONTINUING SHOWER ACTIVITY OVER THE KOOLAU/S AND MOST NORTH SHORE
COMMUNITIES AS A DISSIPATING LOW LEVEL TROUGH LINGERS OVER OR NEAR
THE ISLAND. SATELLITE LOOP SHOWS THE LEADING EDGE TO AN AREA OF
BROKEN LOW CLOUDS ADVANCING WESTWARD ACROSS THE BIG ISLAND AND
CLOSING IN ON MAUI. THIS APPEARS TO BE THE LEADING EDGE TO THE
RETURN OF STRONGER TRADES. THE LINE RUNS FROM 230 MILES NORTH
NORTHEAST OF MAUI TO 130 MILES SOUTH SOUTHWEST OF SOUTH POINT BIG
ISLAND. IT IS MOVING WESTWARD AT 15 MPH.

THE PUNA DISTRICT AND THE WATERS OFF THE KAU COAST ARE GETTING A FEW
SHOWERS THIS HOUR. A FEW SHOWER BEARING CLOUDS HAVE BYPASSED THE
HAMAKUA COAST AND IS AIMING FOR THE HANA MAUI. THIS AREA OF CLOUDS
AND SHOWERS EXTENDS TO 250 MILES EAST OF THE BIG ISLAND. THE REST OF
THE BIG ISLAND...AND BOTH LANAI AND MOLOKAI ARE UNDER FAIR SKIES.
MOST OF KAUAI IS UNDER MOSTLY CLOUDY SKIES WITH A FEW SHOWERS NEAR
LIHUE AND OVER THE WATERS SOUTH OF POIPU.

SOME OF THE WIND SENSORS ON KAUAI ARE INDICATING A LIGHT NORTHEAST
WIND FLOW...AN INDICATION THE TRADES ARE MAKING A COMEBACK.

ABOUT 350 MILES NORTHWEST OF KAUAI IS A WEAKENING FRONT. IT
CONTINUES TO ADVANCE SOUTHEASTWARD AT 15 MPH. AS THE FRONT
WEAKENS...NORTH TO NORTHEAST WINDS ARE TAKING OVER THE AREA AHEAD
OR EAST OF THE FRONT...WHICH INCLUDE KAUAI COUNTY AND THE
SURROUNDING WATERS. THE FRONT IS MARKED BY A SHALLOW CLOUD BAND 85
MILES WIDE. THE COORDINATES OF THE FRONT AT 2 AM HST ARE 30N157W
26N165W AND 23N172W. THE FRONT STRETCHES WELL NORTH OF 30N TO
VANCOVER CANADA. NORTH OF THE FRONT WHICH INCLUDES MIDWAY ATOLL...A
FIELD OF MIXED STRATOCUMULUS AND CUMULUS CLOUDS CONTROLLED THE AREA.

THE AREA OF SCATTERED DEEP CONVECTION JUST EAST OF THE DATELINE AT
SUNSET HAS SHIFTED OVER TO THE WEST OF THE DATELINE AND SOUTH OF
THE EQUATOR.

WATER VAPOR IMAGERY SHOWS UPPER LEVEL RIDGING OVER THE ISLANDS...AND
AN UPPER LEVEL LOW AT 09N144W OR 1030 MILES SOUTHEAST OF THE BIG
ISLAND. SCATTERED THUNDERSTORMS ARE PRESENT WITHIN 500 MILES
SOUTHEAST QUADRANT OF THE LOW.

$$
LAU






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