Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 291831
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC TUE JUL 29 2014

BASED ON DATA THROUGH 1800 UTC JULY 29 2014

WATER VAPOR IMAGERY SHOWS A BROAD WEST TO EAST ORIENTED UPPER LEVEL
JET ACROSS THE AREA ROUGHLY BETWEEN 15N AND 25N. AN UPPER TROUGH IS
LOCATED 500 TO 1000 MILES NORTH NORTHEAST OF THE MAIN HAWAIIAN
ISLANDS. COPIOUS HIGH LEVEL MOISTURE IS POOLED SOUTH OF 15N WHERE
THE CLOUD TOPS OF ACTIVE TROPICAL CONVECTION FURTHER SOUTH IS
STREAMING SLIGHTLY NORTH OF DUE EAST.

INFRARED IMAGERY SHOWS MOSTLY LOW TOPPED STRATOCUMULUS ACROSS THE
REGION NORTH OF 15N...WITH THE EXCEPTION OF A NARROW 100 MILE WIDE
LAYERED COLD FRONTAL CLOUD BAND CONTAINING SCATTERED THUNDERSTORMS
WITH TOPS TO 40000 FEET.  SOUTH OF 15N...CLUSTERS OF THUNDERSTORMS
WITH TOPS TO 50000 FEET ARE FOUND NEAR
13N148W...12N158W...12N164W...AND SOUTH OF 12N WEST OF 174W.

ACROSS THE MAIN HAWAIIAN ISLANDS...MOST LAND AREAS ARE LARGELY FREE
OF LOW CLOUD COVER. THE EXCEPTIONS ARE BROKEN LOW CLOUDS OVER
WINDWARD MOUNTAIN TERRAIN OF KAUAI...OAHU...MOLOKAI AND MAUI.
SCATTERED TO BROKEN LOW CLOUD BANDS ARE FOUND JUST OFF THE WINDWARD
COASTS OF ALL ISLANDS EXCEPT NIIHAU...LANAI AND KAHOOLAWE. CLOUD
MOTION IS TOWARDS THE WEST AT 15 TO 20 MPH.

$$

BRENCHLEY




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