ZCZC MIATCDEP5 ALL TTAA00 KNHC DDHHMM POST-TROPICAL CYCLONE JOHN DISCUSSION NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP102012 200 PM PDT TUE SEP 04 2012 BASED ON THE LACK OF DEEP CONVECTION FROM MORE THAN 12 HOURS...JOHN HAS BEEN DECLARED A REMNANT LOW AND THIS WILL BE LAST ADVISORY ON THIS SYSTEM. THE INITIAL WIND SPEED IS SET AT 30 KT AND IS BASED ON A RECENT SHIP OBSERVATION WELL EAST OF THE CENTER. A GRADUAL SPINDOWN IS FORECAST DURING THE NEXT COUPLE OF DAYS AS THE CYCLONE MOVES OVER PROGRESSIVELY COOLER WATERS. THE REMNANT LOW HAS BEEN MOVING NORTHWESTWARD AT ABOUT 12 KT. A NORTHWESTWARD MOTION IS FORECAST DURING THE NEXT DAY OR SO...FOLLOWED BY A TURN TOWARD THE NORTH BEFORE DISSIPATION OCCURS IN ABOUT 72 HOURS. THE NEW TRACK FORCAST IS SIMILAR TO THE PREVIOUS ADVISORY AND BETWEEN THE LATEST GFS AND ECWMF MODELS. FOR ADDITIONAL INFORMATION ON THIS SYSTEM PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN01 KWBC. FORECAST POSITIONS AND MAX WINDS INIT 04/2100Z 24.3N 117.7W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 05/0600Z 25.2N 119.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 05/1800Z 26.1N 120.2W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 06/0600Z 27.0N 121.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 06/1800Z 27.8N 121.2W 15 KT 15 MPH...POST-TROP/REMNT LOW 72H 07/1800Z...DISSIPATED $$ FORECASTER BROWN 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, 31-Dec-2012 12:10:29 UTC