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TROPICAL STORM GREG ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL
2 AM PDT MON SEP 06 1999

...GREG THREATENS SOUTHERN BAJA CALIFORNIA...
 
AT 2 AM PDT...0900Z...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL
STORM WARNING FOR THE PACIFIC COAST OF BAJA CALIFORNIA SOUTH OF CABO
SAN LAZARO.
 
TROPICAL STORM WARNINGS REMAIN IN EFFECT FOR THE GULF COAST OF BAJA
CALIFORNIA SOUTH OF LA PAZ...AND ALONG THE PACIFIC COAST OF
MAINLAND MEXICO FROM LAZARO CARDENAS TO CABO CORRIENTES...AND FOR
THE ISLAS MARIAS.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE PACIFIC COAST OF
BAJA CALIFORNIA FROM CABO SAN LAZARO NORTHWARD TO PUNTA ABREOJOS.
 
AT 2 AM PDT...0900Z...THE CENTER OF TROPICAL STORM GREG WAS LOCATED
NEAR LATITUDE 21.0 NORTH...LONGITUDE 106.9 WEST OR ABOUT 
235 MILES...380 KM...SOUTH-SOUTHEAST OF CABO SAN LUCAS.
 
GREG IS MOVING TOWARD THE NORTHWEST NEAR  9 MPH ...15 KM/HR...AND A
GRADUAL TURN TOWARD THE WEST-NORTHWEST IS EXPECTED DURING THE NEXT
12 TO 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  50 MPH... 85 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS LIKELY TODAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES
...185 KM FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
 
RAINFALL AMOUNTS OF 10 TO 15 INCHES...WITH LOCALLY HIGHER AMOUNTS IN
MOUNTAINS...ARE POSSIBLE IN THE WARNING AREA. LOCALLY HEAVY RAINS
ARE ALSO POSSIBLE ELSEWHERE ALONG THE MEXICAN COAST BETWEEN LAZARO
CARDENAS AND ACAPULCO.
 
REPEATING THE 2 AM PDT POSITION...21.0 N...106.9 W.  MOVEMENT
TOWARD...NORTHWEST NEAR  9 MPH.  MAXIMUM SUSTAINED WINDS... 50 MPH. 
MINIMUM CENTRAL PRESSURE...1000 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 5 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 8 AM
PDT.
 
PASCH
 
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