539 
ATHW40 PHFO 110029
SIMHI 

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC THU APR 11 2013

BASED ON DATA THROUGH 0000 UTC APRIL 11 2013

WATER VAPOR IMAGERY SHOWS A DIGGING UPPER LEVEL TROUGH NEAR 
32N179W...OR ABOUT 300 MILES NORTH NORTHWEST OF MIDWAY ATOLL. THIS 
TROUGH IS MOVING TO THE SOUTHEAST AT 45 MPH. JUST TO THE EAST...A 
BAND OF LAYERED CLOUDS IS ASSOCIATED WITH A COLD FRONT. THIS CLOUD 
BAND IS LOCATED EAST OF A LINE FROM 30N172W TO 23N180...OR ABOUT 200 
MILES EAST OF MIDWAY ATOLL. THE WESTERN EDGE OF THE CLOUDS IS MOVING 
TO THE EAST AT 20 MPH. THE BAND IS ALMOST 400 MILES WIDE NEAR 
30N...AND TAPERS TO LESS THAN 200 MILES WIDE NEAR 23N. ISOLATED 
CUMULONIMBUS CLOUDS ARE EMBEDDED WITHIN THIS AREA...GENERALLY EAST 
OF 176W. CLOUD TOPS EXTEND UP TO 40000 FT. ADDITIONAL CIRRUS AND 
CIRROCUMULUS CLOUDS ARE LOCATED EAST AND SOUTHEAST OF THE MAIN 
FRONTAL BAND. THESE HIGH CLOUDS ARE LOCATED GENERALLY NORTHWEST OF A 
LINE FROM 30N156W TO 20N165W. NORTH OF 27N...THESE CLOUDS ARE MOVING 
TO THE NORTHEAST AT 50 MPH. SOUTH OF 27N...THESE CLOUDS ARE MOVING 
TO THE EAST AT 30 MPH. 

FARTHER TO THE EAST...WATER VAPOR IMAGERY ALSO SHOWS AN UPPER LEVEL 
LOW NEAR 22N147W...OR OVER 500 MILES EAST-NORTHEAST OF HILO. THIS 
LOW IS NEARLY STATIONARY. SCATTERED TO BROKEN CIRROCUMULUS CLOUDS 
ARE LOCATED NEAR THE LOW. A LARGER AREA OF BROKEN TO OVERCAST CIRRUS 
AND CIRROSTRATUS CLOUDS IS LOCATED FARTHER SOUTH...GENERALLY 
SOUTHEAST OF A LINE FROM 22N140W TO 10N153W. THE WESTERN EDGE OF 
THESE HIGH CLOUDS IS MOVING TO THE EAST AT 10 MPH...WHILE INDIVIDUAL 
ELEMENTS ARE MOVING TO THE NORTHEAST AT 90 MPH. 

BETWEEN THESE TWO AREAS...PATCHES OF BROKEN STRATOCUMULUS AND 
CUMULUS CLOUDS ARE EMBEDDED IN THE LOW-LEVEL FLOW. THESE CLOUDS ARE 
GREATEST IN COVERAGE EAST OF 150W. BASED ON LOW CLOUD MOTIONS...A 
RIDGE EXTENDS ROUGHLY FROM 30N146W TO 16N180. SOUTH OF THE RIDGE... 
CLOUD MOTIONS ARE TO THE WEST AND NORTHWEST AT 20 TO 30 MPH. NORTH 
OF THE RIDGE...CLOUD MOTIONS ARE TO THE NORTHWEST AND NORTH AT 10 TO 
20 MPH. 

ACROSS THE MAIN HAWAIIAN ISLANDS...BROKEN LOW CLOUDS COVER THE 
INTERIOR AND NORTHWEST SECTIONS OF KAUAI. BROKEN TO OVERCAST LOW 
CLOUDS COVER BOTH THE EASTERN COAST AND SLOPES OF THE KOOLAU RANGE 
AND WESTERN COAST AND SLOPES OF THE WAIANAE RANGE ON OAHU. BROKEN 
LOW CLOUDS COVER NORTHEAST MOLOKAI EAST OF A LINE FROM KALAUPAPA TO 
PUKOO...AND SOUTHWEST SECTIONS FROM KAUNAKAKAI WESTWARD. THESE 
CLOUDS EXTEND 20 MILES OFFSHORE TO THE WEST OF LAAU POINT. BROKEN 
TO OVERCAST LOW CLOUDS COVER THE INTERIOR OF LANAI...AND ALSO THE 
WEST MAUI MOUNTAINS. BROKEN TO OVERCAST LOW CLOUDS ALSO COVER THE 
LOWER SLOPES OF HALEAKALA BELOW 7000 FT...EXCEPT FOR CLEAR SKIES 
ACROSS SOUTHERN SLOPES FROM KIPAHULU TO ULUPALAKUA. SCATTERED TO 
BROKEN CLOUDS ARE LOCATED OVER THE CENTRAL VALLEY. 

ON THE BIG ISLAND...BROKEN TO OVERCAST LOW CLOUDS COVER THE WINDWARD 
SLOPES OF THE KOHALA RANGE. BROKEN LOW CLOUDS COVER SOUTH HILO AND 
PUNA DISTRICTS...AND EXTEND 30 MILES OFFSHORE TO THE NORTHEAST AND 
EAST. BROKEN TO OVERCAST LOW CLOUDS COVER KAU DISTRICT FROM NAALEHU 
EASTWARD...AND EXTEND UPSLOPE TO 10000 FT. BROKEN TO OVERCAST LOW 
CLOUDS ALSO COVER NORTH AND SOUTH KONA DISTRICTS BELOW 6000 FT. 
BROKEN CLOUDS ALSO EXTEND ACROSS LEEWARD SECTIONS OF NORTH AND SOUTH 
KOHALA DISTRICT. 

$$

BRAVENDER