Satellite Interpretation Message
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966
ATHW40 PHFO 310027
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC TUE MAY 31 2016

BASED ON DATA THROUGH 0000 UTC MAY 31 2016

THE LEADING EDGE OF A SLOW MOVING FRONTAL BAND RUNS FROM NORTH OF
30N 141W TO 23N 150W TO OAHU AND MOLOKAI. NORTH OF 27N...THICK
LAYERED CLOUDS EXTENDING APPROXIMATELY 180 MILES WEST OF THE
LEADING EDGE ARE CARRYING CLOUD TOPS BETWEEN 35 AND 40 THOUSAND.
THE FRONTAL BAND THINS AS IT STRETCHES SOUTHWEST. THE LAYERED
CLOUDS TRANSITION TO A 100 MILE WIDE OVERCAST BAND OF TOWERING
CUMULUS /TCU/ DOWN TO 23N 151W. THE TCU TOPS ARE BETWEEN 15 AND 20
THOUSAND FEET...WITH THE LOWER TOPS FURTHER SOUTH. AS THE FRONTAL
BAND EXTENDS TOWARDS OAHU...IT BECOMES A THIN BAND...LESS THAN 50
MILES WIDE OF BROKEN CUMULUS /CU/ CARRYING TOPS BETWEEN 8 AND 12
THOUSAND FEET. WEST OF 151W...THE FRONT IS MOVING TO THE SOUTHEAST
AT 1O MPH. EAST OF 151W...THE FRONT IS MOVING TO THE TO THE EAST
NEAR 15 MPH. A WEAK BAND OF SCATTERED TO BROKEN CU RUNNING FROM
24N 152W TO 23N 160W IS ADVANCING TOWARDS THE THINNING FRONT AT 15
MPH.

SCATTERED SC AND CU ARE MOVING TO THE NORTH AT 10 MPH BETWEEN THE
FRONT AND 140W...AND NORTH OF 20N. THE REST OF THE AREA IS
PREDOMINATELY GOVERNED BY HIGH PRESSURE WITH SCATTERED
STRATOCUMULUS /SC/ AND CU GENERALLY MOVING TO THE WEST AND
SOUTHWEST BETWEEN 10 AND 20 MPH.

THIN BANDS OF CIRRUS /CI/ FROM 21N 140W TO 16N 152W AND 21N 131W
TO 15N 144W ARE MOVING TO THE NORTHEAST AT 60 MPH...ALONG AN
UPPER LEVEL JET.

THE FRONT MENTIONED ABOVE RUNS INTO NORTHEAST OAHU AND NORTHERN
MOLOKAI...BOTH ISLAND HAVE SHOWERY BROKEN TO OVERCAST LOW CLOUDS
WITH TOPS GENERALLY BETWEEN 8 AND 12 THOUSAND FEET. THE SECOND
ADVANCING BAND MENTIONED IS INTERFERING WITH KAUAI...AND KAUAI IS
ALSO COVERED WITH BROKEN TO OVERCAST LOW CLOUDS. THE KAUAI CHANNEL
SITS BETWEEN THE FRONT AND ADVANCING BAND AND ONLY HAS FEW CLOUDS.
BROKEN LOW CLOUDS ARE BUILD UP ALONG THE SOUTH SLOPES OF HALEAKALA
AND THE WEST MAUI MOUNTAINS...LEAVING THE VALLEY AND NORTH SLOPES
WITH FEW LOW LEVEL CLOUDS. LANAI AND KAHOOLAWE HAVE BROKEN LOW
CLOUDS OVER THEIR INTERIORS. THE ALENUIHAHA CHANNEL HAS VERY FEW
LOW LEVEL CLOUDS. OVER THE BIG ISLAND...BROKEN TO OVERCAST LOW
CLOUDS HAVE BUILT UP ALONG THE SLOPES OF BOTH MAUNA KEA AND MAUNA
LOA. THE SUMMITS REMAIN CLEAR.

$$

EATON



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