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HURRICANE MADELINE INTERMEDIATE ADVISORY NUMBER  12A
NATIONAL WEATHER SERVICE MIAMI FL
11 PM PDT SUN OCT 18 1998

...MADELINE BATTERING ISLAS MARIAS MEXICO...
 
A HURRICANE WARNING IS IN EFFECT FROM CABO CORRIENTES TO EL DORADO
MEXICO INCLUDING THE ISLAS MARIAS.  A HURRICANE WATCH IS IN EFFECT
FROM NORTHWEST OF EL DORADO TO LOS MOCHIS...AND ALONG THE SOUTHERN
BAJA CALIFORNIA PENINSULA FROM LA PAZ SOUTHWARD.
 
AT 11 PM PDT...0600Z...THE CENTER OF HURRICANE MADELINE WAS LOCATED
NEAR LATITUDE 21.5 NORTH...LONGITUDE 106.6 WEST OR NEAR ISLAS MARIAS
MEXICO AND ABOUT 120 MILES ...190 KM...SOUTH OF MAZATLAN.
 
MADELINE IS MOVING TOWARD THE NORTH NEAR  3 MPH ... 6 KM/HR... AND
THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.
ON THIS TRACK THE CENTER OF MADELINE WILL BE APPROACHING THE COAST
OF MEXICO IN THE HURRICANE WARNING AREA DURING THE NEXT 12 TO 24
HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  30 MILES... 45 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO  85 MILES...140 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  979 MB...28.91 INCHES.
 
RAINFALL TOTALS OF 10 TO 15 INCHES...LOCALLY HIGHER OVER MOUNTAINOUS
AREAS...ARE POSSIBLE IN ASSOCIATION WITH MADELINE.  THESE RAINS
COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
 
STORM TIDES OF 2 TO 4 FEET ABOVE NORMAL ASTRONOMICAL LEVELS...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...COULD OCCUR
IN THE WARNED AREA.
 
REPEATING THE 11 PM PDT POSITION...21.5 N...106.6 W.  MOVEMENT
TOWARD ...NORTH NEAR  3 MPH.  MAXIMUM SUSTAINED WINDS... 85 MPH.  
MINIMUM CENTRAL PRESSURE... 979 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
2 AM PDT...MONDAY.
 
PASCH
 
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