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Hurricane NORBERT


ZCZC MIATCPEP5 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE NORBERT ADVISORY NUMBER  33
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP152008
800 PM PDT SAT OCT 11 2008

...NORBERT ABOUT TO MAKE LANDFALL IN MAINLAND MEXICO...
 
AT 8 PM PDT...0300 UTC...THE GOVERNMENT OF MEXICO HAS DISCONTINUED
ALL WATCHES AND WARNINGS FOR BAJA CALIFORNIA.
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE COAST OF MAINLAND
MEXICO FROM TOPOLOBAMPO NORTHWARD TO GUAYMAS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE COAST OF MAINLAND
MEXICO FROM SOUTH OF TOPOLOBAMPO SOUTHWARD TO ALTATA.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 800 PM PDT...0300Z...THE CENTER OF HURRICANE NORBERT WAS LOCATED
NEAR LATITUDE 26.5 NORTH...LONGITUDE 109.5 WEST OR ABOUT 55 MILES...
90 KM...NORTH-NORTHWEST OF LOS MOCHIS MEXICO AND ABOUT 125 MILES
...195 KM...EAST-NORTHEAST OF LORETO MEXICO. 
 
NORBERT IS MOVING TOWARD THE NORTHEAST NEAR 17 MPH...28 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE INTO TOMORROW.  ON THIS TRACK
THE CENTER OF NORBERT WILL BE MAKING LANDFALL IN AN HOUR OR TWO AND
INTO NORTHWESTERN MEXICO OVERNIGHT. 
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140
KM/HR...WITH HIGHER GUSTS.  NORBERT IS A CATEGORY ONE HURRICANE ON
THE SAFFIR-SIMPSON SCALE.  LITTLE CHANGE IN STRENGTH IS EXPECTED
UNTIL LANDFALL...THEN A RAPID WEAKENING IS FORECAST OVER THE
MOUNTAINEOUS TERRAIN OF MEXICO.  
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.  LOS MOCHIS RECENTLY REPORTED SUSTAINED WINDS OF 58
MPH...93 KM/HR...WITH GUSTS TO 69 MPH...111 KM/HR.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 961 MB...28.38 INCHES.
 
NORBERT IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 6
INCHES OVER SOUTHERN BAJA CALIFORNIA AS WELL AS PORTIONS OF
NORTHWESTERN MEXICO...WITH POSSIBLE ISOLATED AMOUNTS OF 10 INCHES.
THESE RAINS COULD RESULT IN LIFE-THREATENING FLASH FLOODS AND MUD
SLIDES.  IN ADDITION...NORBERT COULD PRODUCE RAINFALL ACCUMULATIONS
OF 1 TO 2 INCHES OVER PORTIONS OF THE SOUTHWESTERN UNITED STATES
THROUGH SUNDAY MORNING.
 
STORM SURGE FLOODING ALONG THE COAST OF BAJA CALIFORNIA WILL
GRADUALLY SUBSIDE TONIGHT.  STORM SURGE FLOODING OF 4 TO 7 FEET
ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING
WAVES...IS EXPECTED ALONG THE COAST OF MAINLAND MEXICO...NEAR
AND TO THE SOUTHEAST OF WHERE NORBERT MAKES LANDFALL.
 
REPEATING THE 800 PM PDT POSITION...26.5 N...109.5 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 17 MPH.  MAXIMUM SUSTAINED WINDS...85 MPH.
MINIMUM CENTRAL PRESSURE...961 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1100 PM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200
AM PDT.
 
$$
FORECASTER BLAKE/BEVEN
 
NNNN


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Page last modified: Tuesday, 21-Apr-2009 12:09:45 UTC