Tropical Storm JOHN

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TROPICAL STORM JOHN INTERMEDIATE ADVISORY NUMBER  22A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112006
500 PM PDT SAT SEP 02 2006
 
...JOHN CONTINUES MOVING NORTHWESTWARD OVER THE BAJA CALIFORNIA
PENINSULA...
 
A TROPICAL STORM WARNING REMAINS IN EFFECT ALONG THE EAST
COAST OF BAJA CALIFORNIA FROM BAHIA SAN JUAN BAUTISTA TO SAN
EVARISTO.  A TROPICAL STORM WARNING ALSO REMAINS IN EFFECT ALONG
THE WEST COAST OF BAJA CALIFORNIA FROM PUNTA EUGENIA SOUTHWARD
TO SANTA FE.  A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
 
INTERESTS ELSEWHERE IN AND NEAR THE GULF OF CALIFORNIA...BAJA
CALIFORNIA....AND NORTHWESTERN MEXICO SHOULD MONITOR THE PROGRESS
OF JOHN.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 PM PDT...0000Z...THE CENTER OF TROPICAL STORM JOHN WAS
LOCATED BY RADAR AND SATELLITE NEAR LATITUDE 25.3 NORTH...LONGITUDE
111.5 WEST OR ABOUT 25 MILES...40 KM...NORTH-NORTHEAST OF CIUDAD
CONSTITUCION MEXICO AND ABOUT 50 MILES...80 KM...SOUTH OF LORETO
MEXICO.
 
JOHN IS MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/HR.  ON THIS
TRACK JOHN IS EXPECTED TO REMAIN NEAR OR OVER BAJA CALIFORNIA
TONIGHT AND EARLY TOMORROW.
 
MAXIMUM SUSTAINED WINDS HAVE CONTINUED TO DECREASE AND ARE NOW NEAR
65 MPH...105 KM/HR...WITH HIGHER GUSTS.  FURTHER WEAKENING IS
LIKELY AS JOHN INTERACTS WITH THE MOUNTAINOUS TERRAIN OF BAJA
CALIFORNIA.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 988 MB...29.18 INCHES. 
CIUDAD CONSTITUCION RECENTLY REPORTED A PRESSURE OF 990.4 MB...
29.25 INCHES.
 
COASTAL STORM SURGE FLOODING OF UP TO 3 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED IN AREAS OF ONSHORE FLOW NEAR THE PATH OF THE CENTER OF
THE HURRICANE.
 
RAINFALL TOTALS OF 6 TO 12 INCHES...WITH ISOLATED MAXIMUM STORM
TOTALS UP TO 18 INCHES...ARE POSSIBLE OVER THE CENTRAL AND SOUTHERN
BAJA PENINSULA.  THE WEST COAST OF MEXICO FROM LA CRUZ TO GUAYMAS
COULD SEE 3 TO 6 INCHES OF RAIN WITH ISOLATED MAXIMUM TOTALS OF 10
INCHES.  THESE AMOUNTS COULD CAUSE LIFE-THREATENING FLASH FLOODS
AND MUDSLIDES OVER MOUNTAINOUS TERRAIN.
 
REPEATING THE 500 PM PDT POSITION...25.3 N...111.5 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 8 MPH.  MAXIMUM SUSTAINED WINDS...65 MPH.
MINIMUM CENTRAL PRESSURE...988 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 800 PM PDT.
 
$$
FORECASTER BEVEN
 
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