Satellite Interpretation Message
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662
ATHW40 PHFO 301801
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC MON MAY 30 2016

BASED ON DATA THROUGH 1800 UTC MAY 30 2016

WATER VAPOR IMAGERY SHOWS AN UPPER LEVEL TROUGH MOVING TO THE EAST
NEAR 30 MPH...WITH ITS AXIS RUNNING FROM 45N 143W TO 30N 146W TO
23N 150W. VISIBLE IMAGERY SHOWS A SURFACE FRONTAL BOUNDARY FROM
40N 140W TO 27N 145W TO 23N 153W AND THROUGH OAHU. THE UPPER
TROUGH DETAILED ABOVE AND AMPLE MOISTURE ALONG THE EAST SIDE IS
SUPPORTING A 200 MILE WIDE BAND OF THICK LAYERED CLOUDS ALONG THE
FRONTAL BOUNDARY NORTH OF 27N...WITH CLOUD TOPS BETWEEN 35 AND 40
THOUSAND FEET. THICK LAYERED CLOUDS TRANSITION TO A 125 MILE WIDE
BAND OF OVERCAST TOWERING CUMULUS /TCU/ BETWEEN 27N 146W TO 23N
153W. TCU TOPS REACH UPWARDS OF 15 TO 20 THOUSAND FEET. THE FRONT
WEAKENS FURTHER AS IT CROSSES OAHU...BECOMING A THIN SCATTERED TO
BROKEN LINE OF SHOWERY CUMULUS /CU/ WITH TOPS BETWEEN 9 AND 12
THOUSAND FEET.

SCATTERED STRATOCUMULUS /SC/ AND CU FILL IN MOST OF THE REMAINING
AREAS. LOW LEVEL SATELLITE DERIVED WINDS SHOW A SURFACE RIDGE FROM
40N 130W TO 22N 140W TO 20N 153W. THE LOW LEVEL CLOUDS BETWEEN
HAWAII AND 140W AND NORTH OF 20N ARE MOVING TO THE NORTHWEST AND
NORTH BETWEEN 10 AND 15 MPH. ELSEWHERE...THE LOW LEVEL CLOUDS ARE
GENERALLY MOVING TO THE WEST AND SOUTHWEST BETWEEN 10 AND 20 MPH.

CIRRUS /CI/ BLOW OFF FROM SCATTERED THUNDERSTORM CONVECTION SOUTH
OF 10N IS BEING DRAWN NORTH AND EAST ALONG AN UPPER LEVEL JET.
MOST CI IS STAYING SOUTH OF 20N AND MOVING TO THE NORTHEAST
BETWEEN 45 AND 55 MPH.

THE FRONT MENTIONED ABOVE IS PROVIDING CLOUDS AND SHOWERS TO THE
NORTHEAST AND NORTHWEST AREAS OF OAHU. THE SOUTHERN PORTION OF
OAHU REMAINS CLEAR AS OF 8 AM HST. THE FRONT OVER OAHU IS MOVING
SLOWLY TO THE SOUTH SOUTHEAST. FEW LOW LEVEL CLOUDS LINGER OVER
THE NORTH AND EAST SECTIONS OF KAUAI MOLOKAI LANAI AND MAUI. THE
REMAINING AREAS ON THESE ISLANDS AND ALL OF THE BIG ISLAND ARE
QUIET WITH VERY LITTLE CLOUD COVER.

$$

EATON



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