000 
ATHW40 PHFO 151805
SIMHI 

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC SUN FEB 15 2004

BASED ON DATA THROUGH 1800 UTC FEBRUARY 15 2004

A BAND OF SHOWERY LAYERED CLOUDS ABOUT 300 MILES WIDE ASSOCIATED 
WITH A FRONT EXTENDED ALONG THE CURVE FROM 22N 180 TO 25N 157W TO 
30N 145W AND FURTHER NORTHEAST. THIS BAND MOVED TOWARD THE EAST 
SOUTHEAST AT 10 TO 15 MILES AN HOUR...AND ITS LEADING EDGE WAS 
LOCATED JUST NORTHWEST OF KAUAI. SCATTERED TO BROKEN LOW CUMULUS 
CLOUDS FILLED IN TO THE NORTHWEST OF THIS BAND.

TO THE SOUTHEAST OF THE BAND...SCATTERED TO BROKEN MARINE 
STRATOCUMULUS AND CUMULUS CLOUDS PREVAILED. THESE WERE GROUPED INTO 
LOOSE BANDS OR STREETS EXTENDING FROM SOUTHWEST TO NORTHEAST. THEY 
MOVED WITH THE LOCAL WIND TOWARD THE NORTHWEST...NORTH...OR 
NORTHEAST AT SPEEDS OF 10 TO 15 MILES AN HOUR. THESE MARINE CLOUDS 
GENERALLY APPROACHED HEIGHTS OF 6000 FEET.

OVER THE MAIN HAWAIIAN ISLANDS...CLOUD COVER CONSISTED MAINLY OF 
FRONTAL AND MARINE STRATOCUMULUS CLOUDS THAT HAD MOVED ASHORE. IN 
PARTICULAR...WIND CONVERGENCE FORMED NARROW BANDS OF MIXED CLOUD 
TYPES AHEAD OF...AND PARALLEL TO...THE FRONT. THE LONGEST OF THESE 
WAS LOCATED OVER THE KAUAI CHANNEL...BUT A SHORTER EXAMPLE APPEARED 
TO BE PRESENT OVER SOUTHEAST OAHU AND THE KAIWI CHANNEL. LOWER 
MARINE CLOUDS MOVING IN FROM THE SOUTHWEST CLUNG TO LOWER SLOPES 
ALONG THE SOUTH SHORES OF ALL THE ISLANDS...ESPECIALLY ON MAUI...AND 
ALONG THE SOUTHEAST COAST OF THE BIG ISLAND. THE CONVERGENCE BANDS 
ROSE TO NEAR 12000 FEET IN HEIGHT...WHILE THE MARINE STRATOCUMULUS 
WERE LIMITED TO BELOW 6000 FEET. RADAR DATA FROM AROUND THE ISLANDS 
SHOWED ISOLATED SHOWERS...MAINLY IN THE KAUAI AND KAIWI CHANNELS... 
AND TO THE NORTHWEST OF KAUAI.

FAST-MOVING AND SHORT-LIVED BANDS OF LAYERED HIGH CLOUDS...ALSO 
PARALLEL TO THE FRONT...PASSED OVER THE ISLANDS...BUT WERE TOO 
NARROW TO OBSTRUCT LOWER CLOUD COVER MUCH. ONE OF THESE WAS LOCATED 
OVER THE LOWER CLOUDS IN THE KAIWI CHANNEL...WHILE ANOTHER WAS OVER 
THE ALENUIHAHA CHANNEL. 

TO THE SOUTH...LIGHT THUNDERSTORM ACTIVITY CONTINUED IN THE ITCZ 
BETWEEN 09N AND 02N.

$$
RYSHKO