Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 051238
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1230 UTC THU MAR 05 2015

BASED ON DATA THROUGH 1200 UTC MARCH 05 2015

OVERCAST LAYERED CLOUDS COVER THE NORTH PACIFIC IN AN AREA BOUNDED
BY 40N146W 22N138W 15N149W 18N162W 25N155W 30N149W 40N150W. THESE
CLOUDS COVER THE EASTERN HALF OF THE MAIN HAWAIIAN ISLANDS...BUT THE
WESTERN EDGE OF THESE CLOUDS LIES ACROSS MAUI COUNTY AND APPEARS TO
BE MOVING EASTWARD SLOWLY. RADAR SHOWS LINES OF MODERATE TO HEAVY
SHOWERS FORMING WITHIN AND PARALLEL TO NORTHEASTERLY LOW LEVEL FLOW
ACROSS OAHU...MOLOKAI AND MAUI. SATELLITE LOOP SHOWS UPPER LEVEL
WINDS ACROSS THE ISLANDS IS SOUTHWEST TO NORTHEAST. WATER VAPOR LOOP
SHOWS A PAIR OF SHORT WAVE TROUGHS ACROSS THE AREA. THE FIRST TROUGH
AXIS EXTENDS THROUGH 27N165W AND 17N157W WHILE THE SECOND AXIS
EXTENDS THROUGH 35N155W 30N145W. THE WESTERN UPPER TROUGH MAY BE
TRIGGERING THE LINES OF SHOWERS ACROSS THE ISLANDS THIS MORNING.
BOTH UPPER TROUGHS ARE MOVING EASTWARD AT 20 TO 30 MPH.

A BROAD ANTICYCLONIC CIRCULATION PERSISTS TO THE WEST OF THE LAYERED
CLOUDS. CENTERED NEAR 40N175W...THIS CIRCULATION HAS NOT MOVED MUCH
OVER THE PAST 12 HOURS. ANOTHER ANTICYCLONIC CIRCULATION IS NOTED
EAST OF THE LAYERED CLOUDS...CENTERED NEAR 40N133W.

THE VIEW OF LOW CLOUDS IS BLOCKED ACROSS THE BIG ISLAND...MAUI AND
ADJACENT WATERS. SATELLITE LOOP SHOWS NORTHEAST WINDS IN THE 20 TO
25 MPH RANGE ACROSS LOCAL WATERS AROUND MOLOKAI...OAHU AND KAUAI.
MOLOKAI AND OAHU ARE ALMOST COMPLETELY COVERED BY OVERCAST LOW
CLOUDS...WHILE KAUAI HAS BROKEN TO OVERCAST LOW CLOUDS ACROSS ITS
NORTHEASTERN HALF.

$$
POWELL









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