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TROPICAL STORM NORMAN INTERMEDIATE ADVISORY NUMBER   4A
NATIONAL WEATHER SERVICE MIAMI FL
5 PM PDT WED SEP 20 2000
 
...TROPICAL STORM NORMAN NEAR THE SOUTHWESTERN COAST OF
MEXICO...TORRENTIAL RAINS CONTINUE...

A TROPICAL STORM WARNING IS IN EFFECT FOR PORTIONS OF THE WEST COAST
OF MEXICO FROM ZIHUATANEJO TO MANZANILLO.
 
AT 5 PM PDT...0000Z...THE CENTER OF TROPICAL STORM NORMAN
WAS LOCATED NEAR LATITUDE 18.5 NORTH...LONGITUDE 103.5 WEST
OR ON THE MEXICAN COAST ABOUT 65 MILES...105 KM...SOUTHEAST OF
MANZANILLO.
 
NORMAN HAS BEEN MOVING ERRATICALLY BUT NOW APPEARS TO BE DRIFTING
NORTHWESTWARD.  ON THIS TRACK THE CENTER WILL MOVE ALONG OR JUST
INLAND OF THE COAST OF MEXICO TONIGHT.  HOWEVER ONE SHOULD NOT FOCUS
ON THE CENTER SINCE THE MAIN EFFECTS OF THE STORM...VERY HEAVY
RAINS...ARE AFFECTING A LARGE PORTION OF SOUTHWEST MEXICO.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  40 MPH... 65 KM/HR...WITH HIGHER
GUSTS.  FURTHER WEAKENING IS FORECAST DURING THE NEXT 24 HOURS AS
NORMAN INTERACTS WITH THE LAND MASS OF MEXICO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  80 MILES
...130 KM FROM THE CENTER...MAINLY OVER WATER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  1000 MB...29.53 INCHES.
 
DUE TO THE SLOW MOVEMENT OF NORMAN...ADDITIONAL HEAVY RAINS OF 8 TO
12 INCHES...WITH ISOLATED HIGHER AMOUNTS IN MOUNTAINOUS AREAS...ARE
LIKELY OVER PORTIONS OF THE WARNING AREA...AND ALSO FARTHER NORTH
AND SOUTH ALONG THE COAST AND WELL INLAND.  THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
 
REPEATING THE 5 PM PDT POSITION...18.5 N...103.5 W.  
MOVEMENT...DRIFTING NORTHWEST.  MAXIMUM SUSTAINED WINDS... 40 MPH. 
MINIMUM CENTRAL PRESSURE...1000 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
8 PM PDT.
 
FORECASTER PASCH
 
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