Satellite Interpretation Message
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5
000
ATHW40 PHFO 061837
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
1830 UTC FRI MAY 06 2016

BASED ON DATA THROUGH 1800 UTC MAY 06 2016

AN UPPER LEVEL TROUGH RESIDES NORTH THROUGH NORTHWEST OF THE
HAWAIIAN ISLANDS WITH AN UPPER LEVEL RIDGE TO THE NORTHEAST.
BENETH THE TROUGH A COLD FRONT IS LOCATED ALONG A CURVE FROM 30N
157W TO 22N 170W TO 21N 180W OR 275 MILES NORTHWEST OF KAUAI.
NORTH OF 23N THE FRONT IS MOVING TO THE SOUTHEAST AROUND 20 MILES
PER HOUR WITH OVERCAST LAYERED CLOUDS WITHIN 150 MILES OF THE
FRONT. ALSO...A FEW CUMULONIMBUS CLOUDS EXIST AROUND 30N WITH
TOPS REACHING AS HIGH AS 42 THOUSAND FEET. ELSEWHERE ALONG THE
FRONT...OVERCAST CUMULUS AND STRATOCUMULUS CLOUDS EXIST TO THE
NORTHWEST OF THE FRONT AS THE FRONT ITSELF REMAINS STATIONARY.
THESE CLOUDS ARE RISING TO HEIGHTS BETWEEN 12 AND 17 THOUSAND
FEET.

TO THE NORTHEAST OF THE MAIN HAWAIIAN ISLANDS A SURFACE HIGH
PRESSURE RIDGE IS MOVING THE AREAS OF STRATOCUMULUS CLOUDS IN A
CLOCKWISE MOTION FROM WEST TO NORTHWEST AT AROUND 20 MILES PER
HOUR. TO THE SOUTH OF THE ISLANDS THE STRATOCUMULUS CLOUDS IS
MOVING TO THE WEST AROUND 15 MILES PER HOUR AND RISING TO HEIGHTS
BETWEEN 7 AND 10 THOUSAND FEET.

IN THE VICINITY OF THE MAIN HAWAIIAN ISLANDS...A WEAK SOUTHEAST
FLOW AND INSTABILITY ALOFT IS CAUSING CUMULUS CLOUDS TO BUILD OVER
PARTS OF THE ISLANDS. THESE CUMULUS CLOUDS ARE RISING TO 12
THOUSAND FEET. AT 1800 UTC NIIHAU WAS PARTLY CLOUDY. KAUAI WAS
MOSTLY SUNNY. OAHU WAS PARTLY CLOUDY. MOLOKAI...LANAI AND
KAHOOLAWE WERE MOSTLY CLOUDY. MAUI WAS MOSTLY CLOUDY ON THE
EASTERN PORTION AND PARTLY CLOUDY ELSEWHERE. OVER THE BIG ISLAND
IT WAS MOSTLY CLOUDY OVER THE HILO...PUN AND KAU DISTRICTS WHILE
THE REMAINDER OF THE ISLAND WAS MOSTLY SUNNY.

$$

EVANS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.