ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER 20A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP112006 500 AM PDT SAT SEP 02 2006 ...JOHN WEAKENS BUT STILL A HURRICANE... A HURRICANE WARNING IS IN EFFECT ALONG COAST OF THE BAJA CALIFORNIA PENINSULA FROM MULEGE SOUTHWARD ALONG THE EAST COAST...AND FROM PUNTA ABREOJOS SOUTHWARD ALONG THE WEST COAST. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETED. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE EAST COAST OF THE BAJA CALIFORNIA PENINSULA NORTH OF MULEGE TO BAHIA SAN JUAN BAUTISTA. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE WEST COAST OF THE BAJA CALIFORNIA PENINSULA NORTH OF PUNTA ABREOJOS TO PUNTA EUGENIA...AND FOR THE COAST OF MAINLAND MEXICO FROM ALTATA TO GUAYMAS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 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 AM PDT...1200Z...THE CENTER OF HURRICANE JOHN WAS LOCATED NEAR LATITUDE 24.3 NORTH...LONGITUDE 110.5 WEST OR ABOUT 10 MILES...15 KM... NORTH-NORTHWEST OF LA PAZ MEXICO. JOHN IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THIS TRACK THE CENTER OF JOHN SHOULD MOVE NEAR OR OVER THE EAST COAST OF THE BAJA CALIFORNIA PENINSULA TODAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...160 KM/HR...WITH HIGHER GUSTS. THESE WINDS ARE CONFINED TO A SMALL AREA NEAR THE CENTER. JOHN IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. FURTHER WEAKENING IS FORECAST AS JOHN INTERACTS WITH LAND DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 975 MB...28.79 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 12 INCHES...WITH ISOLATED MAXIMUM STORM TOTALS UP TO 18 INCHES...ARE POSSIBLE ACROSS THE CENTRAL AND SOUTHERN BAJA CALIFORNIA PENINSULA AND THE WEST COAST OF MEXICO FROM LA CRUZ TO GUAYMAS. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES OVER AREAS OF MOUNTAINOUS TERRAIN. REPEATING THE 500 AM PDT POSITION...24.3 N...110.5 W. MOVEMENT TOWARD...NORTHWEST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS...85 MPH. MINIMUM CENTRAL PRESSURE...975 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 AM PDT. $$ FORECASTER BLAKE/AVILA NNNN
Alternate Formats
About Alternates -
E-Mail Advisories -
RSS Feeds
Cyclone Forecasts
Latest Advisory -
Past Advisories -
About Advisories
Marine Forecasts
Latest Products -
About Marine Products
Tools & Data
Satellite Imagery -
US Weather Radar -
Aircraft Recon -
Local Data Archive -
Forecast Verification -
Deadliest/Costliest/Most Intense
Learn About Hurricanes
Storm Names
Wind Scale -
Prepare -
Climatology -
NHC Glossary -
NHC Acronyms -
Frequently Asked Questions -
AOML Hurricane-Research Division
About Us
About NHC -
Mission/Vision -
Other NCEP Centers -
NHC Staff -
Visitor Information -
NHC Library
NOAA/
National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida, 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Privacy Policy
Credits
About Us
Glossary
Career Opportunities
Page last modified: Monday, 11-Sep-2006 11:28:43 UTC