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Active Tropical Systems Basin Outlooks Satellite
August 2003 Eastern Pacific Monthly Summary
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000
ABPZ30 KNHC 011714
TWSEP 
MONTHLY TROPICAL WEATHER SUMMARY
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
8 AM PDT MON SEP 1 2003
 
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

FOUR TROPICAL CYCLONES DEVELOPED DURING THE MONTH OF AUGUST... 
TROPICAL STORMS GUILLERMO AND HILDA...AND HURRICANES IGNACIO AND
JIMENA. AFTER A VERY SLOW START TO THE SEASON...AUGUST ACTIVITY WAS
NEAR NORMAL LEVELS.

GUILLERMO DEVELOPED FROM A TROPICAL WAVE THAT CROSSED CENTRAL
AMERICA AND PASSED INTO THE EASTERN NORTH PACIFIC ON AUGUST 1ST. A
WEAK SURFACE LOW DEVELOPED ON 6 AUGUST. THUNDERSTORM ACTIVITY
BECAME BETTER ORGANIZED AND THE SYSTEM BECAME A DEPRESSION ON THE
7TH. THE DEPRESSION MOVED WESTWARD AND STRENGTHENED...BECOMING A
TROPICAL STORM EARLY ON 8 AUGUST. GUILLERMO REACHED ITS PEAK
INTENSITY OF 50 KT LATER THAT DAY. ON 10 AUGUST THE CYCLONE BEGAN
TO WEAKEN...AND IT BECAME A DEPRESSION ON 11 AUGUST AS ITS
THUNDERSTORM ACTIVITY GRADUALLY DIMINISHED. THE CYCLONE DEGENERATED
TO A NON-CONVECTIVE REMNANT LOW ON 12 AUGUST...JUST BEFORE ENTERING
THE CENTRAL PACIFIC HURRICANE BASIN.

HILDA FORMED FROM A TROPICAL WAVE ABOUT 800 MILES SOUTH-SOUTHWEST OF
CABO SAN LUCAS ON 9 AUGUST. IT MOVED TOWARD THE WEST AND
WEST-NORTHWEST AND BECAME A TROPICAL STORM WITH 35 KT WINDS LATER
THAT DAY. HILDA DID NOT STRENGTHEN FURTHER AND BEGAN TO WEAKEN
GRADUALLY ON 11 AUGUST. IT DISSIPATED ON 13 AUGUST.  

HURRICANE IGNACIO DEVELOPED FROM A TROPICAL WAVE ON 22 AUGUST ABOUT
125 MILES WEST OF PUERTO VALLARTA MEXICO.  IT MOVED SLOWLY
NORTH-NORTHWESTWARD FOR MOST OF ITS EXISTENCE.  IGNACIO BECAME THE
FIRST HURRICANE OF THE 2003 EAST PACIFIC SEASON ON 24 AUGUST...THE
LATEST DATE FOR THE FIRST HURRICANE ON RECORD. IT STRENGTHENED TO
105 MPH LATER THAT DAY WHILE BRUSHING THE EAST COAST OF EXTREME
SOUTHERN BAJA CALIFORNIA.  THEREAFTER IT WEAKENED WHILE MOVING OVER
SOUTHERN BAJA CALIFORNIA AND DISSIPATED ON 27 AUGUST OVER CENTRAL
BAJA CALIFORNIA.  PRELIMINARY REPORTS INDICATE SEVEN DROWNING
DEATHS FROM RAIN-INDUCED INLAND FLOODING...FIVE IN SONORA ON THE
MAINLAND AND TWO IN BAJA CALIFORNIA.  HIGHWAYS...TREES...AND POWER
LINES WERE DAMAGED AND THOUSANDS WERE EVACUATED FROM COASTAL
COMMUNITIES.

HURRICANE JIMENA FORMED FROM A TROPICAL WAVE ON 28 AUGUST ABOUT 1700
MILES EAST-SOUTHEAST HAWAII.  THE SYSTEM BECAME A TROPICAL
STORM LATER THAT AFTERNOON AND QUICKLY REACHED HURRICANE STRENGTH
THE FOLLOWING DAY ABOUT 1300 MILES EAST OF HILO.  THE HURRICANE
CONTINUED TO STRENGTHEN...AND ITS WINDS REACHED 90 KT ON 30 AUGUST.  
JIMENA INITIALLY MOVED WEST-NORTHWESTWARD...THEN TURNED TOWARD THE
WEST AND ENTERED THE CENTRAL PACIFIC HURRICANE BASIN EARLY ON 30
AUGUST.  BY THE END OF THE MONTH...A WEAKENING HURRICANE JIMENA WAS
CONTINUING WESTWARD AND WAS LOCATED ABOUT 280 MILES EAST OF THE BIG
ISLAND OF HAWAII.

SUMMARY TABLE - AUGUST 2003

NAME           DATES            MAX WIND - KT      DEATHS
-----------------------------------------------------------
TS GUILLERMO   7-13 AUG              50               0
TS HILDA       9-13 AUG              35      0
H IGNACIO     22-27 AUG              90               7
H JIMENA      28 AUG -               90               0
----------------------------------------------------------- 
NOTE...DATES ARE BASED ON UNIVERSAL COORDINATED TIME...UTC
 
FORECASTER STEWART/AVILA/BEVEN/FRANKLIN/LAWRENCE/PASCH