Satellite Interpretation Message
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000
ATHW40 PHFO 281756
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC SAT MAY 28 2016

BASED ON DATA THROUGH 1800 UTC MAY 28 2016

WATER VAPOR IMAGERY REVEALS AN UPPER LEVEL TROUGH WITH ITS AXIS
RUNNING FROM 40N 157W TO 27N 159W TO 18N 174W. THE UPPER TROUGH
AS WELL AS AMPLE MOISTURE IS HELPING TO SUPPORT A SURFACE FRONT
FROM 40N 149W TO 26N 160W. NORTH OF 30N...THE LAYERED CLOUD BAND
ASSOCIATED WITH THE FRONT IS APPROXIMATELY 250 MILES WIDE WITH
TOPS TO 40 THOUSAND FEET. BETWEEN 30N AND 26N...THE FRONTAL BAND
TAPERS TO A 125 MILE WIDE BAND NEAR 30N TO A 50 MILE WIDE BAND
NEAR 26N. CLOUDS TOPS ALSO GRADUALLY LESSEN...FROM 40 THOUSAND
FEET NEAR 30N TO 20 THOUSAND FEET NEAR 26N. SOUTH OF 26N...THE
FRONT TRANSITIONS TO A NEARLY STATIONARY SURFACE TROUGH...RUNNING
FROM 26N 160W TO 22N 163W.

LOW LEVEL SATELLITE DERIVED WINDS PLACE THE CENTER OF A SURFACE
HIGH NEAR 37N 137W WITH ITS ASSOCIATED RIDGE EXTENDING SOUTHWEST
TO 24N 157W...OR ABOUT 200 MILES NORTH OF OAHU. EAST OF
150W...BROKEN STRATOCUMULUS /SC/ ARE GENERALLY MOVING TO THE WEST
BETWEEN 15 AND 25 MPH. BETWEEN THE AREA NORTH OF THE MAIN HAWAIIAN
ISLAND...THE FRONT...AND 150W...OVERALL CLOUD MOTION IS TO THE
NORTHWEST AND NORTH. ELSEWHERE IN THE AREA...SCATTERED SC AND
CUMULUS /CU/ ARE MOVING TO THE WEST BETWEEN 15 AND 25 MPH.

OVER THE MAIN HAWAIIAN ISLANDS THIS MORNING...LOW LEVEL SHOWERY
CLOUDS LINGER ALONG THE NORTH AND EAST SLOPES OF OAHU MOLOKAI AND
BIG ISLAND. ON MAUI AND KAUAI...LOW CLOUDS ARE LINGERING ALONG THE
SOUTHEAST SHORES AND SLOPES. OTHER AREAS ON THE BIG ISLAND HAVE
BROKEN CLOUDS...BUT KEEPING THE SUMMITS CLEAR. THE REMAINING
AREAS ON THE SMALLER ISLAND HAVE FEW LEVEL CLOUDS.

A LONG SWATH OF CIRRUS /CI/ IS BEING PULLED NORTH AND EASTWARD
FROM SCATTERED THUNDERSTORM CONVECTION ALONG THE INTER-TROPICAL
CONVERGENCE ZONE /ITCZ/ FOUND SOUTH OF 10N. THE 400 MILE WIDE
BAND OF CI RUNS FROM 10N 163W TO 19N 140W...PASSING OVER THE BIG
ISLAND.

$$

EATON



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