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Tropical Weather Summary


000
ABPZ30 KNHC 011431
TWSEP 
MONTHLY TROPICAL WEATHER SUMMARY
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 AM PDT SAT NOV 1 2008
 
FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

FOUR TROPICAL CYCLONES FORMED DURING THE MONTH OF OCTOBER...
HURRICANES MARIE AND NORBERT...TROPICAL STORM ODILE...AND TROPICAL
DEPRESSION SEVENTEEN-E.

MARIE DEVELOPED FROM A TROPICAL WAVE...THAT WAS ACCOMPANIED BY A LOW
PRESSURE SYSTEM...EARLY ON 1 OCTOBER ABOUT 585 MILES SOUTHWEST OF
THE SOUTHERN TIP OF BAJA CALIFORNIA. WHILE MOVING IN A GENERAL
WESTERLY DIRECTION...THE DEPRESSION STRENGTHENED INTO A TROPICAL
STORM LATER THAT DAY. AFTER TURNING WEST-SOUTHWESTWARD...MARIE
BECAME A HURRICANE LATE ON 3 OCTOBER ABOUT 870 MILES WEST-SOUTHWEST
OF BAJA CALIFORNIA. AFTER MARIE REACHED ITS PEAK INTENSITY ON 4
OCTOBER...STEADY WEAKENING OCCURRED UNTIL THE CYCLONE DEGENERATED
INTO A REMNANT LOW PRESSURE SYSTEM ON 7 OCTOBER ABOUT 990 MILES
WEST-SOUTHWEST OF BAJA CALIFORNIA. MARIE LASTED LONGER AS A REMNANT
LOW THAN IT DID AS A TROPICAL CYCLONE. AFTER MOVING SOUTHWESTWARD
FOR THE NEXT 12 DAYS...THE SYSTEM WAS FINALLY ABSORBED INTO THE
INTERTROPICAL CONVERGENCE ZONE ON 19 OCTOBER ABOUT 1200 MILES
EAST-SOUTHEAST OF THE HAWAIIAN ISLANDS.

NORBERT FORMED OUT OF A BROAD AND NEARLY STATIONARY AREA OF LOW
PRESSURE...BECOMING A DEPRESSION ON 4 OCTOBER ABOUT 230 MILES SOUTH
OF ACAPULCO MEXICO.  IT MOVED LITTLE INITIALLY...BUT BUILDING HIGH
PRESSURE TO THE NORTH OF THE CYCLONE INDUCED A WESTWARD TRACK BY
LATE THAT DAY.  THE SYSTEM BECAME A TROPICAL STORM ON 5 OCTOBER AND
SLOWLY STRENGTHENED...REACHING HURRICANE STRENGTH ON 7 OCTOBER
ABOUT 315 MILES SOUTH-SOUTHWEST OF MANZANILLO MEXICO.  NORBERT
CONTINUED TO STRENGTHEN AS IT MOVED WEST-NORTHWESTWARD...REACHING A
PEAK INTENSITY OF 135 MPH...CATEGORY FOUR ON THE SAFFIR-SIMPSON
SCALE...ON 8 OCTOBER ABOUT 445 MILES SOUTH OF THE SOUTHERN TIP OF
BAJA CALIFORNIA.  NORBERT THEN TURNED NORTHWESTWARD AND WEAKENED TO
A CATEGORY ONE HURRICANE THE FOLLOWING DAY.  RECURVING AHEAD OF A
DEEP-LAYER TROUGH...NORBERT TURNED NORTH-NORTHEASTWARD TOWARD THE
BAJA CALIFORNIA PENINSULA...BRIEFLY REGAINING MAJOR HURRICANE
STATUS ON 11 OCTOBER.  NORBERT MADE LANDFALL NEAR PUERTO CHARLEY ON
THE WEST COAST OF THE PENINSULA AROUND 1630 UTC 11 OCTOBER AS A
CATEGORY TWO HURRICANE...WITH MAXIMUM WINDS ESTIMATED AT 105 MPH. 
MOVING NORTHEASTWARD...NORBERT CROSSED THE PENINSULA AND MADE A
SECOND LANDFALL IN MAINLAND MEXICO ABOUT 25 MILES SOUTHEAST OF
HUATABAMPO AROUND 0400 UTC 12 OCTOBER WITH MAXIMUM WINDS NEAR 85
MPH...CATEGORY ONE STRENGTH.  NORBERT WEAKENED RAPIDLY AFTER
LANDFALL AND DISSIPATED OVER THE MOUNTAINS OF MEXICO LATER THAT
DAY.  INFORMATION ON DAMAGE AND CASUALTIES IS STILL BEING COMPILED.

TROPICAL STORM ODILE HAD A COMPLEX ORIGIN...WITH TWO TROPICAL WAVES
AND THE REMAINS OF A FRONTAL SYSTEM INVOLVED IN THE INITIAL
DEVELOPMENT.  THE DISTURBANCE THAT BECAME ODILE REACHED THE EASTERN
PACIFIC ON 4 OCTOBER AND ALMOST IMMEDIATELY SHOWED SIGNS OF
ORGANIZATION.  HOWEVER...EASTERLY VERTICAL WIND SHEAR STOPPED
DEVELOPMENT THE NEXT DAY AS THE SYSTEM STALLED SOUTH OF EL
SALVADOR.  LITTLE MOTION OR CHANGE IN ORGANIZATION OCCURRED DURING
THE NEXT COUPLE OF DAYS.  DEVELOPMENT RESUMED ON 8 OCTOBER...AND A
TROPICAL DEPRESSION FORMED THAT DAY ABOUT 160 MILES SOUTHWEST OF
SAN SALVADOR EL SALVADOR.  THE CYCLONE MOVED WEST-NORTHWESTWARD
AND BECAME A TROPICAL STORM ON 9 OCTOBER.  THE STORM TURNED
NORTHWESTWARD ON 10 OCTOBER...THEN IT MOVED WEST-NORTHWESTWARD
NEAR THE SOUTHWESTERN COAST OF MEXICO ON 11 OCTOBER.  ODILE REACHED
AN ESTIMATED PEAK INTENSITY OF 65 MPH EARLY ON 11 OCTOBER. 
SOUTHEASTERLY VERTICAL WIND SHEAR CAUSE THE STORM TO WEAKEN LATER
THAT DAY...AND IT WEAKENED TO A DEPRESSION EARLY ON 12 OCTOBER. 
THE CYCLONE DEGENERATED TO A REMNANT LOW LATER THAT DAY ABOUT 20
MILES SOUTHWEST OF MANZANILLO MEXICO.  THE LOW MOVED SLOWLY
SOUTHWESTWARD BEFORE DISSIPATING ON 13 OCTOBER.

WHILE ODILE WAS CLOSE ENOUGH TO THE COAST OF MEXICO TO REQUIRE
WATCHES AND WARNINGS...THERE ARE NO REPORTS OF DAMAGES OR
CASUALTIES.

TROPICAL DEPRESSION SEVENTEEN-E FORMED FROM A BROAD AREA OF LOW
PRESSURE ON 23 OCTOBER ABOUT 410 MILES SOUTH OF MANZANILLO MEXICO. 
THE DEPRESSION INITIALLY MOVED NORTHWARD AND TURNED TOWARD THE
NORTHWEST EARLY ON 24 OCTOBER...REMAINING WELL OFFSHORE DURING ITS
SHORT LIFESPAN.  STRONG VERTICAL WIND SHEAR HINDERED ANY FURTHER
DEVELOPMENT OF THE DEPRESSION...HOWEVER THE STRONG UPPER-LEVEL
WINDS BROUGHT RAINFALL FROM THE DEPRESSION TO THE SOUTHWESTERN
COAST OF MEXICO ON 24 OCTOBER.  THE STRONG VERTICAL WIND SHEAR LED
TO THE DEGENERATION OF THE DEPRESSION INTO A REMNANT LOW ON 24
OCTOBER ABOUT 295 MILES SOUTHWEST OF MANZANILLO.  THE REMNANT LOW
MOVED TOWARD THE WEST-NORTHWEST AND WEST UNTIL IT DISSIPATED ON 28
OCTOBER ABOUT 750 MILES SOUTHWEST OF THE SOUTHERN TIP OF BAJA
CALIFORNIA. 

SUMMARY TABLE

NAME           DATES             MAX WIND (MPH)       DEATHS
-----------------------------------------------------------------
H  MARIE       1-6  OCT                80
H  NORBERT     4-12 OCT               135               N/A
T  ODILE       8-12 OCT                65
D  SEVENTEEN-E 23-24 OCT               35
-------------------------------------------------------------------
NOTES...DATES BASED ON COORDINATED UNIVERSAL TIME (UTC)
N/A...NOT AVAILABLE AT THIS TIME
 
$$
HURRICANE SPECIALISTS UNIT


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Page last modified: Saturday, 01-Nov-2008 15:01:00 UTC