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Hurricane JOHN


ZCZC MIATCPEP1 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER  17A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112006
1100 AM PDT FRI SEP 01 2006
 
...DANGEROUS HURRICANE JOHN NEARING BAJA CALIFORNIA...
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE SOUTHERN BAJA
PENINSULA FROM SAN EVERISTO SOUTHWARD ON THE EAST COAST...AND FROM
BAHIA MAGDALENA SOUTHWARD ON THE WEST COAST. PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE COMPLETED.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL BAJA
CALIFORNIA PENINSULA FROM PUNTA ABREOJOS SOUTHWARD TO BAHIA
MAGDALENA ON THE WEST COAST...AND NORTHWARD FROM SAN EVERISTO
TO LORETO ON THE EAST COAST.
 
A HURRICANE WATCH REMAINS IN EFFECT ALONG THE WEST COAST OF
THE BAJA PENINSULA FROM BAHIA MAGDALENA TO PUNTA ABREOJOS.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT ALONG THE EAST COAST OF
THE BAJA PENINSULA FROM LORETO NORTHWARD TO MULEGE.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 1100 AM PDT...1800Z...THE CENTER OF HURRICANE JOHN WAS LOCATED
NEAR LATITUDE 22.3 NORTH...LONGITUDE 109.0 WEST OR ABOUT 85 MILES...
135 KM...SOUTHEAST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.
 
JOHN HAS RECENTLY BEEN MOVING TOWARD THE NORTH-NORTHWEST NEAR 8
MPH...13 KM/HR... BUT A TURN TOWARD THE NORTHWEST IS EXPECTED
WITHIN 24 HOURS.  ON THIS TRACK JOHN WILL BE VERY CLOSE TO SOUTHERN
BAJA CALIFORNIA LATER TODAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...185 KM/HR...WITH HIGHER
GUSTS.  JOHN IS A STRONG CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON SCALE.  LITTLE SIGNIFICANT CHANGE IN STRENGTH IS
FORECAST FOR THE NEXT 24 HOURS BUT ONLY A SMALL INCREASE IN WINDS
WOULD BRING JOHN BACK TO CATEGORY THREE STATUS BEFORE LANDFALL.  
 
JOHN IS A RELATIVELY SMALL TROPICAL CYCLONE. HURRICANE FORCE WINDS
EXTEND OUTWARD UP TO 25 MILES...40 KM...FROM THE CENTER...AND
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM.
 
THE MINIMUM CENTRAL PRESSURE MEASURED BY AN AIR FORCE RESERVE
RECONNAISSANCE AIRCRAFT IS 958 MB...28.29 INCHES.
 
COASTAL STORM SURGE FLOODING OF UP TO 5 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 AMOUNTS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM STORM
TOTALS UP TO 15 INCHES...ARE POSSIBLE ACROSS THE SOUTHERN BAJA
PENINSULA.  THE WEST COAST OF CENTRAL MEXICO COULD RECEIVE AN
ADDITIONAL 3 TO 5 INCHES OF RAIN WITH MAXIMUM STORM TOTALS OF 18
INCHES POSSIBLE.   THESE RAINS COULD CAUSE LIFE-THREATENING FLASH
FLOODS AND MUDSLIDES OVER AREAS OF MOUNTAINOUS TERRAIN.
 
REPEATING THE 1100 AM PDT POSITION...22.3 N...109.0 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR 8 MPH.  MAXIMUM SUSTAINED WINDS...110
MPH. MINIMUM CENTRAL PRESSURE...958 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
200 PM PDT.
 
$$
FORECASTER BLAKE/AVILA
 
NNNN


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Page last modified: Monday, 11-Sep-2006 11:28:43 UTC