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000
ATHW40 PHFO 210524
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC TUE MAY 21 2013

BASED ON DATA THROUGH 0500 UTC MAY 21 2013

AN AREA OF OVERCAST LAYERED CLOUDS COVERS AN AREA BOUNDED BY 33N152W
29N147W 26N148W 20N152W 23N153W 28N153W 30N157W 33N152W...DESCRIBING
AN ARC 150 TO 700 MILES NORTHEAST OF THE MAIN HAWAIIAN ISLANDS.
THESE CLOUDS MARK THE NORTHEAST SEMICIRCULAR FLANK OF A LOW NEAR
27N155W...ABOUT 440 MILES NORTHEAST OF THE ISLANDS. BROKEN TO
OVERCAST SHOWERY LOW CLOUDS EXTEND SOUTHWEST FROM THIS CLOUD ARC
ACROSS THE ISLAND CHAIN...MAINLY AFFECTING OAHU...THE BIG ISLAND
AND THE ISLANDS OF MAUI COUNTY.

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 SCATTERED TO NUMEROUS 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.

KAUAI IS COMPLETELY COVERED BY BROKEN TO OVERCAST LOW CLOUDS...WHILE
OAHU APPEARS TO BE SIMILARLY COVERED. A PATCH OF BROKEN HIGH CLOUDS
MOVING RAPIDLY SOUTHEASTWARD IS TEMPORARILY BLOCKING A GOOD VIEW OF
LOW CLOUDS ACROSS MAUI COUNTY...BUT EARLIER IMAGERY SHOWED MOLOKAI
AND LANAI COMPLETELY COVERED BY LOW CLOUDS. ONLY SOUTH-FACING
HALEAKALA SLOPES ON MAUI HAVE CLEAR SKIES AT THIS HOUR...WITH THE
REMAINDER OF THAT ISLAND BENEATH BROKEN TO OVERCAST LOW CLOUDS. LOW
CLOUDS SEEM LIMITED TO HAMAKUA AND HILO DISTRICTS ON THE BIG
ISLAND...WHILE KONA...KAU AND KOHALA APPEAR TO HAVE SCATTERED LOW
CLOUDS TO CLEAR SKIES. SATELLITE LOOP SHOWS LOW CLOUDS ARE MOVING NO
FASTER THAN 10 MPH ON EITHER SIDE OF THE CLOUD BAND ACROSS MAUI
COUNTY.

$$
POWELL