Satellite Interpretation Message
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000
ATHW40 PHFO 281839
SIMHI

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

BASED ON DATA THROUGH 1800 UTC AUGUST 28 2016

AS OF 8 AM HST THIS MORNING TROPICAL CYCLONE MADELINE WAS CENTERED
NEAR 16.5N 141.8W. LAYERED CONVECTION AROUND THIS SYSTEM EXTENDS
BETWEEN 80 AND 100 MILES FROM THE CENTER AND MADELINE HAS BEEN
MOVING TOWARDS THE NORTHWEST NEAR 7 MPH FOR LAST SEVERAL HOURS.
WATER VAPOR IMAGERY SHOWS AN UPPER LEVEL LOW CENTERED NEAR 35N
141W. THE LOW IS HELPING TO FUEL ISOLATED THUNDERSTORMS AND
NUMEROUS TOWERING CUMULUS /TCU/ BETWEEN 32N 135W AND 24N 142W
WITHIN THE WIDE BAND OF STRATOCUMULUS /SC/ WRAPPING INTO MADELINE.

SOUTH OF MADELINE...ALONG 10N...CONVECTION BETWEEN 134W AND 152W
REMAINS NEARLY STATIONARY WITH SCATTERED THUNDERSTORMS AND
CUMULONIMBUS /CB/ TOPS TO 48 THOUSAND FEET. A SURFACE TROUGH
APPROXIMATELY 500 MILES SOUTH OF HONOLULU HAWAII CONTINUE TO
PRODUCE DISORGANIZED CONVECTION BETWEEN 14N AND 18N AND FROM 157W
TO 161W. TOPS IN THIS REGION ARE NEAR 42 THOUSAND FEET. THE WEAK
DISTURBANCE IS SLOWLY DRIFTING TO THE NORTHWEST.

THROUGH THE FAR NORTHWEST CORNER OF THE AREA...ACTIVITY FROM A
STATIONARY FRONT JUST NORTH OF THE AREA AND A SURFACE TROUGH FROM
29N 173W TO 19N 180W ARE PRODUCING ISOLATED THUNDERSTORMS. CB
TOPS ARE REACHING UPWARDS OF 45 THOUSAND FEET.

ELSWHERE...SCATTERED TO BROKEN SC AND CUMULUS /CU/ ARE GENERALLY
MOVING TO THE WEST AND SOUTHWEST BETWEEN 15 AND 25 MPH. THE MAIN
HAWAII ISLANDS ARE SITUATED WITHIN THIS FIELD. OVERCAST SHOWERY
LOW CLOUDS ARE BANKED UP ALONG THE TYPICAL NORTH THROUGH EAST
SLOPES. CLOUD TOPS ARE BETWEEN 8 AND 12 THOUSAND FEET. THE
REMAINING AREAS ON MAUI AND LANAI ARE RELATIVELY QUIET...WITH FEW
TO SCATTERED LOW CLOUDS. THE KONA SIDE OF THE BIG ISLAND ALSO HAS
FEW LOW CLOUDS AND THE SUMMITS OF MAUNA KEA AND MAUNA LOA ARE
CLEAR. THE VERY SOUTHERN SHORES OF OAHU ARE CLEAR...WHILE THE
OTHER REMAINING AREAS ON OAHU HAVE BROKEN TO OVERCAST LOW CLOUDS.
THE FAR WESTERN COAST OF KAUAI HAS FEW CLOUDS.

$$

EATON



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