Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 201202
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC WED AUG 20 2014

BASED ON DATA THROUGH 1200 UTC AUGUST 20 2014

A CENTER OF LOW PRESSURE WAS NEARLY STATIONARY ABOUT 850 MILES
SOUTH OF HONOLULU. IRREGULAR...PULSING THUNDERSTORMS CONTINUED TO
DEVELOP AROUND THE LOW...BUT THIS FEATURE CHANGED LITTLE IN
ORGANIZATION DURING THE PAST 24 HOURS.

TO THE NORTHWEST...ISOLATED TOWERING CUMULI DEVELOPED WITHIN 90
MILES OF THE POINT 30N 170W.

TO THE SOUTH...LIGHT TO MODERATE THUNDERSTORM ACTIVITY CONTINUED IN
THE ITCZ FROM 15N TO 04N. MIDDLE TO HIGH LAYERED DEBRIS CLOUDS FROM
THIS AND EARLIER CONVECTION MOSTLY TO PARTLY OBSCURED LOWER FEATURES
FROM 18N TO 01N...PRIMARILY EAST OF 168W.

OTHERWISE...CLOUD COVER ACROSS HAWAIIAN WATERS CONSISTED MAINLY OF
MODERATELY PACKED MARINE STRATOCUMULI LOCALLY MERGING INTO AREAS OF
NEARLY SOLID LOW TO MIDDLE OVERCAST EAST OF 153W. INDIVIDUAL SMALL
CUMULI ALSO WERE PRESENT THROUGHOUT. THESE CLOUDS INCREASED IN AREAL
COVERAGE WITH TIME DURING THE PAST SIX HOURS. THEY GENERALLY ROSE TO
HEIGHTS OF 8000 TO 10000 FEET...THOUGH TALLER CUMULI APPROACHED
15000 FEET. THESE CLOUDS TYPICALLY MOVED TOWARD THE WEST SOUTHWEST
AT 15 TO 20 MILES AN HOUR.

ACROSS THE MAIN HAWAIIAN ISLANDS...CLOUD COVER CONSISTED MOSTLY OF
MARINE STRATOCUMULI AND CUMULI MOVING ASHORE ALONG SLOPES FACING
NORTH THROUGH EAST...ESPECIALLY ON MAUI AND THE BIG ISLAND. LAYERED
DEBRIS CLOUDS FROM AFTERNOON CUMULUS BUILDUPS ON TUESDAY LARGELY HAD
DISSIPATED OR MOVED OFFSHORE ON THE LAND BREEZES...ALTHOUGH THEY
REDEVELOPED SIGNIFICANTLY IN PLACES JUST OFFSHORE ALONG THE WEST
COAST OF THE BIG ISLAND. THESE CLOUDS VARIED IN HEIGHT FROM 6000 TO
10000 FEET.

RADAR DATA FROM NEAR THE ISLANDS SHOWED SCATTERED SHOWERS OFFSHORE
ALONG THE WEST COAST OF NORTH KONA DISTRICT ON THE BIG ISLAND...
OFFSHORE ALONG THE NORTHEAST COAST OF NORTH KOHALA DISTRICT ON THE
BIG ISLAND...OVER NORTHEAST KAUAI...ALONG THE NORTH-CENTRAL COAST OF
MAUI...AND IN THE LEE PLUMES WELL OFFSHORE TO THE WEST SOUTHWEST OF
MAUI AND HAWAII COUNTIES...BUT ISOLATED SHOWERS AT MOST ELSEWHERE.

$$

RYSHKO





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