733
ATHW40 PHFO 211225
SIMHI
HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC TUE MAY 21 2013
BASED ON DATA THROUGH 1200 UTC MAY 21 2013
AN AREA OF BROKEN TO OVERCAST LAYERED CLOUDS COVERS AN AREA BOUNDED
BY 35N153W 30N146W 24N150W 30N157W 35N153W...DESCRIBING AN ARC 470
TO 900 MILES NORTH NORTHEAST OF THE MAIN HAWAIIAN ISLANDS. THESE
CLOUDS MARK THE NORTHEAST SEMICIRCULAR FLANK OF A LOW NEAR
28N156W...ABOUT 490 MILES NORTH OF THE ISLANDS. BROKEN TO OVERCAST
SHOWERY LOW CLOUDS EXTEND SOUTHWEST FROM THIS LAYERED CLOUD ARC
ACROSS THE ISLAND CHAIN...MAINLY AFFECTING THE ISLANDS OF MAUI
COUNTY AND WATERS ADJACENT TO THE BIG ISLAND.
LOW CLOUDS AFFECTING THE MAIN HAWAIIAN ISLANDS ARE LOOSELY ORGANIZED
INTO A SERIES OF NORTHEAST TO SOUTHWEST ORIENTED BANDS...WITH THE
THICKEST BAND EXTENDING ACROSS MAUI COUNTY. RADAR SHOWS ISOLATED
MODERATE TO BRIEFLY HEAVY SHOWERS WITHIN THIS BAND...WHICH ALSO
SEPARATES NORTHERLY WINDS ACROSS KAUAI AND OAHU FROM SOUTHERLY WINDS
ACROSS AND AROUND THE BIG ISLAND. ONE PARTICULARLY HEAVY SHOWER IS
NOTED WITHIN THE ALENUIHAHA CHANNEL MOVING SLOWLY TOWARD THE
NORTHEAST.
KAUAI REMAINS COMPLETELY COVERED BY BROKEN TO OVERCAST LOW
CLOUDS...BUT OAHU APPEARS TO HAVE ALMOST COMPLETELY CLEARED FROM
LAST EVENING. A RECENTLY-FORMED PATCH OF BROKEN HIGH CLOUDS IS
BLOCKING A GOOD VIEW OF LOW CLOUDS ACROSS MAUI COUNTY...BUT EARLIER
IMAGERY SHOWED THE WESTERN HALF OF MOLOKAI HAS ONLY SCATTERED LOW
CLOUDS TO CLEAR SKIES. THE VIEW OF LOW CLOUDS ACROSS MAUI AND LANAI
IS BLOCKED. THE BIG ISLAND...LIKE OAHU...APPEARS TO HAVE COMPLETELY
CLEARED SINCE LAST EVENING. SATELLITE LOOP SHOWS LOW CLOUDS ARE
MOVING NO FASTER THAN 10 MPH ON EITHER SIDE OF THE CLOUD BAND ACROSS
MAUI COUNTY.
POWELL
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