Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 210027
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC MON APR 21 2014

BASED ON DATA THROUGH 0000 UTC APRIL 21 2014

HIGH...CIRRUS CLOUDS...CI...CONTINUE TO BLANKET THE MAIN HAWAIIAN
ISLANDS AND LARGELY OBSCURE LOWER LEVEL FEATURES ON BOTH INFRARED
AND VISIBLE DATA. WATER VAPOR IMAGERY...WHICH SHOWS FEATURES MAINLY
ABOVE 24000 FT...SHOWS A LOW ALOFT 545 MILES SOUTH SOUTHWEST OF
KAUAI AT 15N163W. THE LOW HAS BEEN MOVING EAST SLOWLY OVER THE PAST
SEVERAL HOURS. AN AREA OF OVERCAST CI IS ASSOCIATED WITH THE LOW.
THIS CLOUDS AREA IS ROUGHLY BOUNDED BY 24N155W 24N148W 10N150W
10N162W 20N165W 24N155W 24N148W AND EXTENDING SOUTH OF 10N. THE EAST
EDGE OF THE CI IS 350 MILES EAST OF HILO AND THE NORTHWEST EDGE IS
70 MILES NORTHWEST OF KAUAI. THE CI AREA HAS BEEN NEARLY STATIONARY
AND HAS EXPANDED EAST OVER THE PAST 12 HOURS.

THE CI OBSCURES THE AREA IMMEDIATELY EAST NORTHEAST OF THE MAIN
HAWAIIAN ISLANDS. EAST OF THE CI...SCATTERED TO BROKEN LOW CLOUDS
ARE MOVING FROM THE EAST NORTHEAST AT 15 TO 20 MPH. THE LOW CLOUDS
ARE A MIX OF STABLE STRATOCUMULUS AND SHOWERY CUMULUS CLOUDS.

A FRONTAL CLOUD BAND IS NORTH OF A LINE FROM 30N145W TO 28N150W TO
27N160W...350 MILES NORTH OF KAUAI...TO 30N170W...450 MILES EAST
NORTHEAST OF MIDWAY ATOLL. THE PART OF THE BAND EAST OF 150W HAS
BEEN MOVING SOUTHEAST SLOWLY...THE PART WEST OF 160W HAS BEEN MOVING
NORTHEAST AT 10 MP AND THE PART BETWEEN 150W AND 160W HAS BEEN
NEARLY STATIONARY. THE BAND RANGES FROM 150 TO 180 MILES IN WIDTH
AND CONTAINS SHOWERY OVERCAST LOW CLOUDS.

$$
DONALDSON




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