Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 290607
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0545 UTC SUN MAR 29 2015

BASED ON DATA THROUGH 0530 UTC MARCH 29 2015

OAHU WAS UNDER CLOUDY SHOWERY WEATHER ALL DAY TODAY THANKS TO A
NEARBY LOW LEVEL TROUGH. THIS TROUGH LOCATED IN THE KAUAI CHANNEL
JUST OFF KAENA POINT OAHU IS STILL THERE THIS EVENING WHILE ANOTHER
BATCH OF SHOWERS EASES OVER THE EASTERNMOST PART OF THE ISLAND FROM
THE EAST. THE BACKGROUND LOW LEVEL WIND FLOW IS LIGHT EASTERLY
BETWEEN OAHU AND MAUI...AND SLIGHTLY STRONGER EASTERLIES OVER THE
WATERS OFF EASTERN BIG ISLAND. THE WINDS BECOMES LIGHT AND VARIABLE
FROM THE KAUAI CHANNEL WESTWARD.

SATELLITE IMAGERY SHOWS A PATCH OF CLOUDS PEELING OFF OAHU TOWARDS
THE NORTHWEST...CLIPPING NORTHEAST KAUAI IN THE PROCESS. THE REST
OF KAUAI HAS FAIR SKIES EXCEPT FOR A PATCH OF LOW CLOUDS OVER
INTERIOR PORTION OF THE ISLAND. NIIHAU WAS IN THE CLEAR.

SPOTTY LIGHT SHOWERS ARE NOTED ACROSS MAUI COUNTY.,,MAINLY OVER ON
THE EASTERN TIP OF MAUI AND OVER THE WATERS OFF WEST AND SOUTH LANAI.
HE OTHER FOR THESE CLOUDS AND SHOWERS...SKIES ARE FAIR OVER THE
SURROUNDING COASTAL WATERS NORTH AND SOUTH OF THE SMALLER ISLANDS.

OVER ON THE BIG ISLAND...THE EASTERN SIDE HAS SCATTERED TO BROKEN
COVERAGE OF LOW CLOUDS BUT MAINLY DRY. THE KONA SIDE IS STILL QUITE
CLOUDY FROM THE AIRPORT SOUTHWARD AND IN BOTH THE WAIMEA AND HUMUULA
SADDLES. LOCALLY BROKEN LOW CLOUDS HAVE SPREAD INTO THE ADJACENT
WATERS OFF THE KONA COAST ALTHOUGH WEATHER RADAR IS NOT DETECTING
MUCH OF ANY SHOWERS WITH THESE CLOUDS. AN AREA OF SCATTERED SHOWER
BEARING CLOUDS ARE NOTED JUST EAST OF THE BIG ISLAND MOVING TOWARD
THE ISLAND.

ELSEWHERE...A FRONT IS LOCATED 415 MILES NORTHWEST OF KAUAI. IT HAS
THE COORDINATES OF 30N158W 26N165W 24N170W AND 22N178W AT 730 PM
HST...MOVING SOUTHEAST AT 15 MPH. THE FRONT IS NOTED AS A BAND THAT
IS 175 MILES WIDE. THE FRONT EXTENDED WELL BEYOND 30N INTO THE
VANCOVER AREA OF CANADA. WHAT APPEARS TO BE SCATTERED STABLE LOW
CLOUDS LIES NORTH OF THIS BAND THAT COVERS MIDWAY ATOLL.

WATER VAPOR IMAGERY REVEALS AN UPPER LEVEL LOW NEAR 9.4N143.4W OR
1050 MILES SOUTHEAST OF THE BIG ISLAND. THE LOW ACCOMPANIED BY
SCATTERED THUNDERSTORMS WITHIN 600 MILES NORTHEAST QUADRANT...AND
WITHIN 400 NM SOUTH SEMICIRCLE OF THE LOW.

SCATTERED DEEP CONVECTION IS NOTED OVER ON THE FAR SOUTHWEST CORNER
OF THE SATELLITE IMAGERY SOUTH OF 07N WEST 173W. TOPS OF THESE
CUMULONIMBUS CLOUDS ARE AROUND 50000 FEET.

$$
LAU






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