Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 210500
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0500 UTC THU AUG 21 2014

BASED ON DATA THROUGH 0430 UTC AUGUST 21 2014

LOW CEILINGS...SOME WITH EMBEDDED SHOWERS...BLANKET MOST OF THE BIG
ISLAND BELOW 9000 FEET THIS EARLY EVENING.  BROKEN TO OCCASIONALLY
OVERCAST LOW CLOUDINESS IS ALSO EVIDENT OVER PORTIONS OF MAUI...
MOLOKAI...AND LANAI...ESPECIALLY IN UPSLOPE AND MAUKA SECTIONS.  ON
OAHU...BROKEN CLOUDS ARE CONFINED TO WINDWARD COASTAL AREAS AND THE
KOOLAU RANGE...WHILE KAUAI IS SEEING OCCASIONAL CEILINGS OVER THE
MOUNTAINS.  SKIES ARE...FOR THE MOST PART...CLEAR TO PARTLY CLOUDY
ELSEWHERE.  LOW CLOUD MOTION IS FROM THE EAST BETWEEN 15 AND 20 MPH
STATEWIDE.

AN AREA OF BROKEN TO OVERCAST LOW AND MIDDLE CLOUDS...WITH EMBEDDED
SHOWERS...EXISTS IMMEDIATELY EAST OF MAUI AND NORTH CLOCKWISE
THROUGH SOUTH-SOUTHEAST OF THE BIG ISLAND.  THIS CLOUDINESS HAS BEEN
HEADING WEST ON THE PREVAILING TRADE FLOW.  A SMALLER PATCH OF
BROKEN LOW CLOUDS IS JUST NORTH OF OAHU AS OF BULLETIN TIME...AND
PLUME CLOUDINESS IS WEST OF NIIHAU.  CONDITIONS ARE OTHERWISE CLEAR
TO SCATTERED OVER THE ADJACENT COASTAL WATERS.

HIGH IN THE UPPER AIR...WATER VAPOR IMAGES SHOW A TROUGH AXIS
EXTENDING FROM A LOW...NORTH OF 30N...TO 30N156W TO 27N160W TO
27N167W...WHICH HAS BEEN DRIFTING SOUTH.  ANOTHER UPPER TROUGH IS
MORE THAN 900 MILES WEST AND SOUTHWEST FROM KAUAI AND APPEARS TO BE
DRIFTING WEST.  NEITHER FEATURE HAS HAVING SIGNIFICANT EFFECTS ON
SURFACE WEATHER OVER CENTRAL NORTH PACIFIC WATERS SOUTH OF 30N EAST
OF THE DATE LINE.

SHOWERS AND THUNDERSTORMS HAVE BEEN SPORADIC AND UNORGANIZED SOUTH
OF HAWAII.  MUCH OF THE CONVECTION HAS BEEN FIRING FROM 04N TO 07N
WEST OF 169W.  MORE ACTIVITY IS LOCATED FROM 05N TO 11N BETWEEN 155W
AND 165W...AND FROM 12N TO 14.5N BETWEEN 141W AND 150W.  AND EAST OF
THE AREA IS TROPICAL STORM KARINA...CURRENTLY STATIONARY MORE THAN
200 MILES EAST OF THE CENTRAL PACIFIC WATERS.  MOST OF THE
THUNDERSTORMS WITH THE SYSTEM HAVE RECENTLY BEEN IGNITING FROM 13.5N
TO 16.5N BETWEEN 136W AND 138.5W.  KARINA IS EXPECTED TO BEGIN
MOVING BACK TOWARD THE EAST OVER THE NEXT SEVERAL DAYS.

$$

KINEL




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