000
WTPZ31 KNHC 041450
TCPEP1
BULLETIN
HURRICANE HENRIETTE ADVISORY NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112007
800 AM PDT TUE SEP 04 2007

...HENRIETTE STRENGTHENS AS IT APPROACHES THE BAJA PENINSULA...
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE SOUTHERN BAJA
PENINSULA FROM LORETO SOUTHWARD ON THE EAST COAST...AND FROM BAHIA
MAGDALENA SOUTHWARD ON THE WEST COAST...INCLUDING CABO SAN LUCAS.
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA DURING THE NEXT 24 HOURS. PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
AT 800 AM PDT...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM
WARNING ALONG THE EAST COAST OF THE BAJA PENINSULA FROM NORTH OF
LORETO TO MULEGE.
 
A HURRICANE WATCH AND A TROPICAL STORM WARNING REMAIN IN EFFECT FOR
THE WEST COAST OF THE BAJA PENINSULA FROM BAHIA MAGDALENA NORTHWARD
TO PUERTO SAN ANDRESITO.
 
AT 800 AM PDT...THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM
WARNING ALONG THE COAST OF MAINLAND MEXICO FROM ALTATA NORTHWARD TO
BAHIA KINO...AND EXTENDED THE HURRICANE WATCH FROM GUYAMAS
NORTHWARD TO BAHIA KINO. A HURRICANE WATCH AND A TROPICAL STORM
WARNING ARE NOW IN EFFECT FOR THE COAST OF MAINLAND MEXICO FOR
ALTATA NORTHWARD TO BAHIA KINO.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 800 AM PDT...1500Z...THE CENTER OF HURRICANE HENRIETTE WAS
LOCATED NEAR LATITUDE 22.2 NORTH...LONGITUDE 109.4 WEST OR ABOUT 60
MILES... 95 KM...SOUTHEAST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.
 
HENRIETTE IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH...17
KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24
HOURS.  ON THIS TRACK THE CENTER OF HENRIETTE IS EXPECTED TO REACH
THE SOUTHERN BAJA PENINSULA THIS AFTERNOON.  RAINBANDS ASSOCIATED
WITH HENRIETTE ARE ALREADY AFFECTING THE SOUTHERN BAJA PENINSULA
AND CONDITIONS WILL BEGIN TO DETERIORATE IN ADVANCE OF THE CENTER
MAKING LANDFALL. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  HENRIETTE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE PRIOR TO LANDFALL
OVER THE BAJA PENINSULA.  
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 972 MB...28.70 INCHES.
 
COASTAL STORM SURGE FLOODING OF 2 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
HENRIETTE.
 
HENRIETTE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 3
TO 5 INCHES ALONG THE WEST COAST OF MAINLAND MEXICO...WITH ISOLATED
MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE. OVER SOUTHERN PORTIONS OF
BAJA CALIFORNIA...RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH
ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE IN MOUNTAINOUS
AREAS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND
MUDSLIDES.
 
REPEATING THE 800 AM PDT POSITION...22.2 N...109.4 W.  MOVEMENT
TOWARD...NORTH-NORTHWEST NEAR 10 MPH.  MAXIMUM SUSTAINED WINDS...85
MPH.  MINIMUM CENTRAL PRESSURE...972 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1100 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200
PM PDT.
 
$$
FORECASTER RHOME