Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 041825
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC MON MAY 04 2015

BASED ON DATA THROUGH 1800 UTC MAY 04 2015

GENERALLY WEST TO EAST UPPER LEVEL FLOW IS OCCURRING OVER THE
CENTRAL NORTH PACIFIC WITH A FEW SMALL RIPPLES. THE MOST NOTICEABLE
IS A SHORT WAVE TROUGH CENTERED NEAR 29N 144W. LAYERED CLOUDS WITHIN
100 MILES AND CIRRUS CLOUDS OUT TO 350 MILES NORTHEAST OF ITS CENTER
ARE MOVING TO THE EAST AT 40 MILES PER HOUR. THE OTHER FEATURE OF
INTEREST IS A SHORT WAVE TROUGH...WHICH IS ALONG A CURVE FROM 30N
175W TO 26N 180W. LAYERED CLOUDS RESIDE NORTHWEST OF THE TROUGH AND
OUT TO 200 MILES AHEAD OF IT. CIRRUS CLOUDS EXTEND WELL OUT IN FRONT
OF THE DISTURBANCE AND ARE MOVING TO THE EAST AT 40 MILES PER HOUR.
ELSEWHERE IN THE UPPER LEVELS...A LARGE AREA OF BROKEN TO OVERCAST
CIRRUS CLOUDS HAS BEEN ADVECTED NORTHEAST OF THE INTER TROPICAL
CONVERGENCE ZONE AND ARE SOUTHEAST OF A CURVE FROM 10N 167W TO 20N
150W TO 20N 140W. THEY ARE MOVING TO THE NORTHEAST AROUND 70 MILES
PER HOUR.

CLOSER TO THE SURFACE...PATCHES OF BROKEN TO OVERCAST STRATOCUMULUS
AND CUMULUS CLOUDS ARE SPREAD ACROSS THE NORTH-CENTRAL PACIFIC.
THESE CLOUDS WERE MAINLY MOVING TO THE WEST AT 20 TO 25 MILES PER
HOUR AND RISING TO HEIGHTS OF 9000 TO 13000 FEET.

IN THE VICINITY OF THE MAIN HAWAIIAN ISLANDS...NIIHAU WAS MOSTLY
SUNNY. KAUAI WAS MOSTLY CLOUDY...EXCEPT PARTLY SUNNY ALONG THE SOUTH
COAST AND OVER THE WAIMEA CANYON. OAHU WAS MOSTLY CLOUDY WINDWARD
AND LEEWARD NORTH OF NANAKULI...PARTLY SUNNY ELSEWHERE.
MOLOKAI...LANAI AND KAHOOLAWE WERE MOSTLY CLOUDY. MAUI WAS MOSTLY
CLOUDY...EXCEPT PARTLY SUNNY OVER THE CENTRAL VALLEY. FOR THE BIG
ISLAND...IT WAS MOSTLY CLOUDY OVER THE HILO...PUNA...EASTERN KAU AND
KONA DISTRICTS WHILE THE REMAINDER OF THE ISLAND WAS MOSTLY SUNNY.

$$

EVANS






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