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Hawaiian Islands Satellite Interpetation Message

623
ATHW40 PHFO 300007
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0030 UTC MON MAY 30 2016

BASED ON DATA THROUGH 0000 UTC MAY 30 2016

A SLOW MOVING UPPER LEVEL TROUGH IS THE MAIN FEATURE ON THE WATER
VAPOR IMAGERY THIS AFTERNOON...WITH THE AXIS RUNNING FROM 50N 153W
TO 30N 152W TO 18N 174W. VISIBLE IMAGERY SHOWS THE LEADING EDGE OF
A FRONTAL BAND RUNNING FROM 40N 142W TO 30N 147W TO 25N 154W TO
23N 161W. AMPLE MOISTURE AND THE UPPER TROUGH ARE HELPING TO
PRODUCE THICK LAYERED CLOUDS ALONG THE FRONT NORTH OF 30N. THE
FRONTAL BAND TAPERS FROM 200 MILES WIDE NEAR 40N TO 125 MILES WIDE
NEAR 30N...WITH CLOUD TOPS BETWEEN 32 AND 38 THOUSAND FEET. SOUTH
OF 30N...THE FRONTAL BAND CONTINUES TO THIN AND TRANSITION FROM
THICK LAYERED CLOUDS TO TOWERING CUMULUS /TCU/ NEAR 27N 151W AND
EVENTUALLY TO A THIN BAND OF CUMULUS /CU/ BETWEEN 24N 156W TO 23N
161W. EAST OF THE 150W...THE FRONT IS MOVING TO THE EAST BETWEEN
15 AND 20 MPH. WEST OF 150W...THE FRONT IS MOVING TO THE SOUTH
SOUTHEAST NEAR 10 MPH.

THE REST OF THE AREA IS PREDOMINATELY COVERED IN SCATTERED CU AND
STRATOCUMULUS /SC/. EAST OF THE FRONT AND NORTH OF 20N...MOST LOW
LEVEL CLOUDS ARE MOVING TO THE NORTH AND NORTHWEST BETWEEN 10 AND
15 MPH. ELSEWHERE...LOW LEVEL CLOUDS ARE GENERALLY MOVING TO THE
WEST AND SOUTHWEST BETWEEN 10 AND 20 MPH.

BANDS OF SCATTERED CIRRUS /CI/ ARE BEING DRAWN NORTH AND EAST
FROM ISOLATED CONVECTION SOUTH OF 10N TO A JET ON THE SOUTH SIDE
OF THE UPPER TROUGH. MOST CI BANDS ARE STAYING SOUTH OF 18N AND
MOVING TO THE NORTHEAST BETWEEN 30 AND 60 MPH...WITH THE FASTEST
SPEEDS FARTHEST TO THE NORTH.

WATERS SURROUNDING THE SMALLER MAIN HAWAIIAN ISLANDS HAVE VERY
LITTLE CLOUD ACTIVITY. THE LEADING EDGE OF THE FRONT MENTIONED
ABOVE IS APPROXIMATELY 30 MILES NORTH OF KAUAI. AS OF 2 PM HST...
THE INTERIOR AREAS OF KAUAI THROUGH MAUI HAVE BROKEN LOW LEVEL
CLOUDS OVER THE INTERIOR AREAS. CLOUD TOPS ARE GENERALLY LESS THAN
10 THOUSAND FEET. ON THE BIG ISLAND...OVERCAST CLOUDS HAVE FILLED
IN THE SLOPES ALONG THE SOUTH KONA...KAU...PUNA...AND SOUTH HILO
DISTRICTS. CLOUDS TOPS ARE ALSO GENERALLY LESS THAN 10 THOUSAND
FEET. THE NORTHERN SLOPES OF MAUNA KEA FROM NORTH HILO TO KOHALA
AND AROUND NORTH HILO HAVE SCATTERED LOW CLOUDS.

$$

EATON

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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It was last modified on: Wed, Dec 17 2014 - 1841 UTC
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