Satellite Interpretation Message
Issued by NWS

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000
ATHW40 PHFO 200536
SIMHI

HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
0530 UTC MON OCT 20 2014

BASED ON DATA THROUGH 0500 UTC OCTOBER 20 2014

TROPICAL STORM ANA WAS LOCATED NEAR 20.7N 161.7W...OR ABOUT 175
MILES WEST SOUTHWEST OF LIHUE...AND 250 MILES WEST OF HONOLULU AT
700 PM HST. NUMEROUS THUNDERSTORMS ASSOCIATED WITH ANA WERE IN THE
AREA FROM 20N TO 22N BETWEEN 160W AND 162.5W. THE HIGHEST TOPS OF
THE THUNDERSTORMS WERE NEAR 50 THOUSAND FEET. FOR MORE DETAILED
INFORMATION ON ANA...PLEASE SEE PUBLIC ADVISORIES ISSUED UNDER AWIPS
HEADER TCPCP5 AND WMO HEADER WTPA35 PHFO.

THE CIRRUS SHIELD FROM THE OUTFLOW OF ANA WAS STREAMING NORTH
THROUGH EAST OVER THE ISLAND CHAIN. THESE HIGH CLOUDS WERE OBSCURING
THE LOW CLOUDS ACROSS THE ISLANDS. RADAR REFLECTIVITY DATA INDICATED
A LARGE SWATH OF STRATIFORM RAIN WITH A FEW EMBEDDED THUNDERSTORMS
WERE AFFECTING THE ISLANDS WEST OF MOLOKAI AND LANAI.

ACCORDING TO LOOPS OF WATER VAPOR IMAGERY...THE AXIS OF A
MIDDLE-LEVEL TROUGH EXTENDED FROM NEAR 32N 146W TO 24N 153...OR
ABOUT 380 MILES NORTH NORTHEAST OF HILO. THIS TROUGH AXIS HAS BEEN
PROPAGATING EASTWARD AT ABOUT 20 MPH DURING THE PAST 6 HOURS. A
MIDDLE-LEVEL ANTICYCLONE WAS LOCATED NEAR 31N 164W...OR ABOUT 700
MILES NORTH NORTHWEST OF LIHUE. THIS FEATURE HAS BEEN MOVING TOWARD
THE SOUTHEAST AT 10 TO 15 MPH DURING THE PAST 6 HOURS. ANOTHER
MIDDLE-LEVEL ANTICYCLONE WAS NEAR 20N 149W...OR ABOUT 430 MILES EAST
OF HILO. THIS FEATURE WAS MOVING SLOWLY TOWARD THE SOUTH.

$$

HOUSTON






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