000
WTNT41 KNHC 081758
TCDAT1
HURRICANE IDA SPECIAL DISCUSSION NUMBER  19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL112009
1200 PM CST SUN NOV 08 2009

THIS SPECIAL ADVISORY IS BEING ISSUED TO EXTEND THE HURRICANE WATCH
EASTWARD ALONG THE NORTHERN GULF COAST TO MEXICO BEACH FLORIDA. 
THERE ARE NO CHANGES TO THE TRACK FORECAST FROM THE PREVIOUS
REGULAR ADVISORY.  THE INITIAL INTENSITY IS SET TO 85 KT BASED ON
FLIGHT-LEVEL AND SFMR WIND DATA FROM AN AIR FORCE RESERVE HURRICANE
HUNTER AIRCRAFT THAT JUST PENETRATED THE CENTER.

THIS ADVISORY REPLACES THE SCHEDULED INTERMEDIATE ADVISORY AT
1800 UTC.
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      08/1800Z 21.7N  86.1W    85 KT
 12HR VT     09/0000Z 22.8N  87.1W    85 KT
 24HR VT     09/1200Z 25.6N  88.4W    85 KT
 36HR VT     10/0000Z 28.2N  88.6W    75 KT
 48HR VT     10/1200Z 30.0N  87.8W    65 KT...EXTRATROPICAL
 72HR VT     11/1200Z 30.5N  84.5W    40 KT...EXTRATROPICAL INLAND
 96HR VT     12/1200Z 30.0N  81.0W    30 KT...EXTRATROPICAL
120HR VT     13/1200Z...ABSORBED BY EXTRATROPICAL LOW
 
$$
FORECASTER BEVEN