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Active Tropical Systems Basin Outlooks Satellite
September 2003 Eastern Pacific Monthly Summary
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000
ABPZ30 KNHC 011828
TWSEP 
MONTHLY TROPICAL WEATHER SUMMARY
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
8 AM PDT WED OCT 1 2003
 
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THREE TROPICAL CYCLONES DEVELOPED DURING THE MONTH OF SEPTEMBER... 
TROPICAL STORM KEVIN AND HURRICANES LINDA AND MARTY.  SO FAR IN 2003
THERE HAVE BEEN THIRTEEN NAMED TROPICAL CYCLONES.  THIS IS VERY
CLOSE TO THE AVERAGE LEVEL OF ACTIVITY FOR THIS POINT IN THE
SEASON.

TROPICAL STORM KEVIN WAS A SHORT-LIVED TROPICAL CYCLONE THAT
DEVELOPED AS A BROAD DEPRESSION EARLY ON THE 3RD ABOUT 250 N MI
SOUTHWEST OF CABO SAN LUCAS MEXICO. KEVIN FORMED AT A FAIRLY HIGH
LATITUDE...WHICH RESULTED IN A RATHER SHORT LIFE CYCLE. THE CYCLONE
MOVED NORTHWESTWARD PARALLEL TO THE BAJA CALIFORNIA PENINSULA AND
BECAME A TROPICAL STORM LATE ON THE 4TH. THE CLOSE PROXIMITY TO
COLD WATER CAUSED KEVIN TO QUICKLY WEAKEN AND IT AGAIN BECAME A
DEPRESSION EARLY ON THE 5TH...AND GRADUALLY DEGENERATED INTO A
NON-CONVECTIVE LOW PRESSURE SYSTEM LATER THAT DAY ABOUT 470 NMI
WEST OF CABO SAN LUCAS. THE REMNANT CIRCULATION MOVED SLOWLY
WESTWARD FOR SEVERAL DAYS BEFORE IT FINALLY DISSIPATED ON THE 10TH
ABOUT 390 NMI WEST OF CABO SAN LUCAS.

HURRICANE LINDA FORMED FROM A TROPICAL WAVE THAT CROSSED INTO THE
PACIFIC ON THE 6TH. THE WAVE SPAWNED A TROPICAL DEPRESSION ON THE
14TH ABOUT 340 MILES SOUTHWEST OF MANZANILLO MEXICO.  THE CYCLONE
MOVED NORTHWESTWARD FOR THE NEXT TWO DAYS.  IT BECAME A TROPICAL
STORM LATER ON THE 14TH AND A HURRICANE ON THE 15TH.  LINDA TURNED
WESTWARD AND WEAKENED TO A TROPICAL STORM ON THE 16TH...THEN IT
TURNED SOUTHWESTWARD AND WEAKENED TO A DEPRESSION ON THE 17TH. THE
CYCLONE DISSIPATED LATER THAT DAY ABOUT 485 MILES WEST-SOUTHWEST 
OF CABO SAN LUCAS.

MARTY BECAME A TROPICAL DEPRESSION ON THE 19TH ABOUT 455 MILES
SOUTH-SOUTHEAST OF CABO SAN LUCAS.  IT QUICKLY STRENGTHENED INTO A
TROPICAL STORM AS IT MOVED SLOWLY TO THE WEST-NORTHWEST.  MARTY
TURNED TO THE NORTHWEST AND BECAME A HURRICANE ON THE 21ST ABOUT
300 MILES SOUTH-SOUTHEAST OF CABO SAN LUCAS.  MARTY THEN MOVED
NORTHWARD TOWARD THE SOUTHERN BAJA PENINSULA...MAKING LANDFALL NEAR
CABO SAN LUCAS ON THE 22ND WITH MAXIMUM SUSTAINED WINDS ESTIMATED
TO BE 85 KT.  MARTY THEN MOVED UP THE EAST COAST OF THE BAJA
CALIFORNIA PENINSULA...WEAKENING TO A TROPICAL STORM NEAR BAHIA SAN
JUAN BAUTISTA ON THE 23RD.  MARTY CONTINUED UP THE GULF OF
CALIFORNIA AND WEAKENED FURTHER...BECOMING A TROPICAL DEPRESSION
LATER THAT DAY ABOUT 50 MILES WEST OF PUERTO LIBERTAD.  MARTY THEN
MEANDERED IN AND AROUND THE NORTHERN GULF OF CALIFORNIA WITH HEAVY
RAINS BUT NOT MUCH WIND...MAKING ONE LANDFALL ON THE 24TH NEAR
PUERTO PANASCO ON THE MAINLAND...AND ANOTHER ONE ON THE 25TH SOUTH
OF SAN FELIPE ON THE BAJA PENINSULA.  THE CIRCULATION DISSIPATED
SHORTLY AFTER THE LATTER LANDFALL.  THE PRELIMINARY DEATH TOLL FROM
MARTY IS 3.

SUMMARY TABLE - SEPTEMBER 2003

NAME           DATES            MAX WIND - KT      DEATHS
-----------------------------------------------------------
TS KEVIN       3-5  SEP              35               0
H  LINDA      14-17 SEP              65               0
H  MARTY      19-24 SEP              85               3*
----------------------------------------------------------- 
NOTE...DATES ARE BASED ON UNIVERSAL COORDINATED TIME...UTC

* PRELIMINARY ESTIMATE 

FORECASTER FRANKLIN/STEWART/AVILA/BEVEN/LAWRENCE/PASCH