Satellite Interpretation Message
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000
ATHW40 PHFO 310500
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0500 UTC SAT JAN 31 2015

BASED ON DATA THROUGH 0430 UTC JANUARY 31 2015

LOW CEILINGS THIS EARLY EVENING ARE CONCENTRATED OVER NORTHERN AND
EASTERN PORTIONS OF THE ISLES.  BROKEN TO OVERCAST LOW CLOUDS ARE
ALSO EVIDENT OVER THE WEST-FACING SLOPES OF HALEAKALA IN EAST MAUI...
AND THE MOUNTAIN SLOPES IN KAU...KONA AND SOUTH KOHALA ON THE BIG
ISLAND.  SKIES ARE OTHERWISE CLEAR TO PARTLY CLOUDY.  THE LOWEST
CLOUDS APPEAR TO BE DRIFTING FROM THE NORTH AND NORTHEAST ACROSS THE
ALOHA STATE...BUT SOMEWHAT HIGHER CLOUDINESS IS MOVING FROM THE
SOUTH TO SOUTHWEST AT 10 TO 15 MPH ON AVERAGE.

AREAS OF BROKEN LOW CLOUDS EXIST NORTHEAST CLOCKWISE THROUGH WEST OF
THE BIG ISLAND...NORTH OF MAUI COUNTY AND SOUTH OF MAUI...AND NORTH
AND NORTHEAST OF KAUAI AND OAHU.  CONDITIONS ARE NEARLY CLEAR
ELSEWHERE OVER THE ADJACENT COASTAL WATERS.

A SLOW-MOVING FRONT IS WEAKENING NORTH AND NORTHEAST FROM THE
STATE.  MOST OF THE BROKEN TO OVERCAST LOW CLOUDS ASSOCIATED WITH
THE BOUNDARY ARE LOCATED WEST OF A LINE FROM 30N144W TO 25N150W TO
22.5N155.5W.  THE FAR SIDE OF THIS CLOUDINESS IS ALONG A LINE FROM
30N149W TO 27N154W TO 24N159W.  MORE LOW CLOUDS AHEAD OF THE SYSTEM
ARE FOUND NORTH OF 24N BETWEEN 141.5W AND 144W.

THE AXIS OF A JET STREAM IS NORTHWEST AND NORTH OF THE HAWAIIAN
ISLANDS.  WINDS IN THIS JET CORE ARE MAINLY OVER 100 MPH AS THEY
STREAK FROM WEST TO EAST.  BASED ON WATER VAPOR IMAGERY AND THE MOST
RECENT GFS MODEL RUN...THE AXIS IS ROUGHLY ALONG A LINE FROM 25N180
TO 27N170W TO 30N157W.  IT THEN HEADS TOWARD THE NORTHEAST AS IT
BEGINS TO ROTATE COUNTERCLOCKWISE AROUND A POWERFUL UPPER LOW NEAR
44N154W AS OF BULLETIN TIME.

$$

KINEL




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