Satellite Interpretation Message
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000
ATHW40 PHFO 101212
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC THU JUL 10 2014

BASED ON DATA THROUGH 1200 UTC JULY 10 2014

WATER VAPOR IMAGES SHOWED A BROAD BUT WEAK AREA OF LOW PRESSURE OVER
AND TO THE SOUTHWEST OF THE MAIN HAWAIIAN ISLANDS. THIS FEATURE
PULLED HIGH TO MIDDLE CLOUD LAYERS OUT OF THE ITCZ...MOSTLY TO
PARTLY OBSCURING LOWER FEATURES SOUTH OF THE CURVE FROM 11N 175W TO
16N 169W TO 21N 167W TO 21N 160W TO 17N 154W TO 14N 156W TO 11N
150W...AND ALSO WITHIN 90 MILES OF THE CURVE FROM 20N 166W TO 25N
163W TO 25N 147W TO 27N 141W.

TO THE SOUTH...MODERATE THUNDERSTORM ACTIVITY CONTINUED IN THE ITCZ
FROM 11N TO 04N. LAYERED MIDDLE TO HIGH DEBRIS CLOUDS FROM THIS AND
EARLIER CONVECTION MOSTLY TO PARTLY OBSCURED LOWER FEATURES FROM 11N
TO THE EQUATOR ACROSS MOST OF THE AREA...AND ALSO FLOWED NORTHEAST
INTO AND BEYOND THE LOW AS DESCRIBED IN THE FIRST PARAGRAPH.

OTHERWISE...CLOUD COVER ACROSS HAWAIIAN WATERS CONSISTED MAINLY OF
MARINE CUMULI AND STRATOCUMULI MERGING INTO AREAS OF NEARLY SOLID
LOW OVERCAST EAST OF THE CURVE FROM 30N 154W TO 17N 157W TO 11N
140W. ELSEWHERE...THESE CLOUDS WERE ORGANIZED AS LOOSE CLUMPS AND
BANDS UP TO ABOUT 240 MILES ACROSS...OR OCCURRED AS INDIVIDUAL SMALL
CUMULI. THESE CLOUDS INCREASED IN AREAL COVERAGE FROM WEST TO EAST.
THEY ALSO INCREASED IN AREAL COVERAGE WITH TIME DURING THE PAST SIX
HOURS. THESE CLOUDS GENERALLY MOVED TOWARD THE WEST SOUTHWEST AT
AROUND 20 MILES AN HOUR...AND ROSE TO HEIGHTS OF 6000 TO 10000 FEET.

ACROSS THE MAIN HAWAIIAN ISLANDS...CLOUD COVER CONSISTED MOSTLY OF
MARINE STRATOCUMULI AND CUMULI MOVING ASHORE ALONG SLOPES FACING
NORTH THROUGH EAST...ESPECIALLY FROM MOLOKAI TO THE BIG ISLAND.
LAYERED DEBRIS CLOUDS FROM AFTERNOON CUMULUS BUILDUPS ON WEDNESDAY
DIMINISHED SLIGHTLY DURING THE PAST SIX HOURS...BUT STILL REMAINED
WIDESPREAD OVER LOWER TO MIDDLE WEST SLOPES OF THE BIG ISLAND. THESE
CLOUDS GENERALLY ROSE TO HEIGHTS OF 6000 TO 9000 FEET. RADAR DATA
FROM NEAR THE ISLANDS SHOWED SCATTERED SHOWERS OVER AND AROUND THE
SOUTHEAST TIP OF OAHU...AND OVER THE EAST TIP OF MAUI...BUT ISOLATED
SHOWERS AT MOST ELSEWHERE.

$$

RYSHKO




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