ZCZC MIATCDAT1 ALL TTAA00 KNHC DDHHMM POST-TROPICAL CYCLONE OPHELIA DISCUSSION NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162011 500 PM AST SUN SEP 25 2011 AN AIR FORCE RESERVE UNIT HURRICANE HUNTER AIRCRAFT INVESTIGATED OPHELIA AND FOUND A SMALL...WEAK CIRCULATION. ALTHOUGH A FEW THUNDERSTORMS DEVELOPED NEAR THIS CENTER...THE MAIN AREA OF DEEP CONVECTION IS OVER 150 N MI TO THE EAST. THE CYCLONE LACKS SUFFICIENT ORGANIZED DEEP CONVECTION TO BE CLASSIFIED AS A TROPICAL CYCLONE...AND HAS BECOME A REMNANT LOW PRESSURE AREA. THEREFORE ADVISORIES ON OPHELIA ARE BEING TERMINATED AT THIS TIME. ALTHOUGH THE CURRENT CENTER...WHICH IS MOVING WEST-NORTHWESTWARD... IS EXPECTED TO DISSIPATE IN ABOUT 24 HOURS...THERE IS THE POSSIBILITY THAT A NEW CIRCULATION CENTER COULD EVENTUALLY FORM IN THE DEEP CONVECTION FARTHER TO THE EAST. THIS NEW CENTER IS PROBABLY THE ONE THAT IS DEPICTED AS MOVING TO HIGHER LATITUDES BY THE GLOBAL MODELS. IF THIS OCCURS...THERE IS A POSSIBILITY OF REGENERATION OVER THE SUBTROPICAL WESTERN ATLANTIC. IN ANY EVENT...THE SYSTEM WILL CONTINUE TO BE MONITORED BY THE NATIONAL HURRICANE CENTER FOR SIGNS OF REDEVELOPMENT. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. FORECAST POSITIONS AND MAX WINDS INIT 25/2100Z 18.5N 60.9W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 26/0600Z 19.0N 62.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 26/1800Z 19.5N 63.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 27/0600Z...DISSIPATED $$ FORECASTER PASCH 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: Tuesday, 17-Jul-2012 13:44:06 UTC