Category 1 Post-Tropical Cyclone Cyclone (2011)
09/10 11:00 AM EDT - Katia Loses Tropical Characteristics Over The Far North Atlantic
44.7N 47.7W
Windspeed: 80 MPH - Pressure: 954mb
Movement: Ene at 53 MPH
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Public Storm Advisory Cyclone B C Dvorak T-Numbers TAFB ssd UW-CIMSS
Governmental Storm Discussion Cyclone B C
Forecast Advisory Cyclone B
The letters B C D and so on stand for alternate information sites, in case one is inoperative during a internet swamping for storm info you can try another. These advisories come from the National Hurricane center: Usually they are updated at 5AM, 11AM, 5PM and 11PM eastern.
When land areas are under a hurricane watch, it is updated every 3 hours.
Tropical Tidbits Info Page for Cyclone - Weather Underground Wundermap - NHC Interactive Map Plot
Buoy Reports Near Cyclone - CIMSS Data for Cyclone - RAMMB Info and Satellites for Cyclone
Potential Storm Surge Flooding Map (Inundation) - NHC Track Map (See this animated)
National Hurricane Center 7 Day Plot for Cyclone. National Hurricane Center 7 Day Experimental Plot for Cyclone. Most Likely Time of Arrival of Tropical Storm Force Winds

National Hurricane Center Hurricane Wind Probabilities for Cyclone National Hurricane Center Hurricane Wind Probabilities for Cyclonefa
CIMSS Animated Satellite:

Weather Underground Animated Radar: See this plot animated
Satellite (IR/Vis) Loop IR, Loop Vis:
Satellite (Water Vapor) Loop WV:
The Following Graphic is from Clark Evans and the University of Wisconsin See This animated)


Coordinate History

Adv# Date Lat Long Wind Pres Movement Type Name Received Forecaster
108/29 5:00 AM9.4N26.3W35MPH1009mbW at 15 MPHTDTD#1208/29 4:46 AMBrennan
208/29 11:00 AM9.8N27.5W35MPH1008mbW at 15 MPHTDTD#1208/29 10:37 AMPasch
308/29 5:00 PM10.2N28.4W35MPH1008mbW at 14 MPHTDTD#1208/29 4:34 PMPasch
408/29 11:00 PM11.0N30.0W35MPH1008mbWnw at 15 MPHTDTD#1208/29 10:43 PMStewart
508/30 5:00 AM11.8N31.7W40MPH1006mbWnw at 17 MPHTSKatia08/30 4:46 AMBrennan
608/30 11:00 AM12.3N33.4W45MPH1003mbWnw at 18 MPHTSKatia08/30 10:34 AMPasch
708/30 5:00 PM12.7N35.4W60MPH997mbWnw at 20 MPHTSKatia08/30 4:40 PMPasch
808/30 11:00 PM13.3N37.5W60MPH997mbWnw at 22 MPHTSKatia08/30 10:40 PMBrown
908/31 5:00 AM13.9N39.1W65MPH994mbWnw at 21 MPHTSKatia08/31 4:43 AMBeven
1008/31 11:00 AM14.2N40.8W65MPH994mbWnw at 21 MPHTSKatia08/31 10:37 AMPasch
1108/31 5:00 PM14.6N42.6W70MPH990mbWnw at 20 MPHTSKatia08/31 4:49 PMPasch
1208/31 11:00 PM15.0N44.4W75MPH987mbWnw at 20 MPHH1Katia08/31 10:49 PMBrown
1309/01 5:00 AM15.2N45.9W75MPH987mbW at 20 MPHH1Katia09/01 4:37 AMBeven
1409/01 11:00 AM15.5N47.5W75MPH987mbW at 18 MPHH1Katia09/01 10:55 AMCangialosi/zelinsky
1509/01 5:00 PM16.1N49.2W70MPH990mbW at 18 MPHTSKatia09/01 7:04 PMZelinsky/cangialosi
1609/01 11:00 PM16.7N50.6W70MPH990mbWnw at 16 MPHTSKatia09/01 10:39 PMAvila
1709/02 5:00 AM17.0N51.8W70MPH994mbWnw at 15 MPHTSKatia09/02 4:48 AMBlake
1809/02 11:00 AM17.5N52.4W75MPH991mbWnw at 14 MPHH1Katia09/02 10:59 AMLandsea/stewart
1909/02 5:00 PM18.4N53.5W75MPH989mbNw at 12 MPHH1Katia09/02 4:51 PMLandsea/stewart
2009/02 11:00 PM18.5N54.3W75MPH988mbNw at 12 MPHH1Katia09/02 10:55 PMAvila
2109/03 5:00 AM19.3N55.1W75MPH988mbNw at 10 MPHH1Katia09/03 5:01 AMBlake
2209/03 11:00 AM19.6N55.8W75MPH989mbNw at 10 MPHH1Katia09/03 10:52 AMBerg
2309/03 5:00 PM19.9N56.8W70MPH993mbWnw at 10 MPHTSKatia09/03 4:53 PMBerg
2409/03 11:00 PM20.3N57.4W70MPH992mbNw at 10 MPHTSKatia09/03 10:51 PMAvila
2509/04 5:00 AM21.4N58.5W70MPH992mbNw at 12 MPHTSKatia09/04 4:51 AMKimberlain
2609/04 11:00 AM21.9N59.2W100MPH966mbNw at 12 MPHH2Katia09/04 10:53 AMBerg
2709/04 5:00 PM22.7N60.1W105MPH965mbNw at 12 MPHH2Katia09/04 4:49 PMBerg
2809/04 11:00 PM23.4N61.0W105MPH965mbNw at 13 MPHH2Katia09/04 11:05 PMCangialosi
2909/05 5:00 AM23.9N62.0W100MPH972mbNw at 12 MPHH2Katia09/05 4:46 AMKimberlain
3009/05 11:00 AM24.6N63.3W110MPH965mbNw at 13 MPHH2Katia09/05 10:49 AMBerg
3109/05 5:00 PM25.2N63.9W115MPH959mbNw at 12 MPHH3Katia09/05 4:39 PMBerg
3209/05 11:00 PM25.8N64.4W135MPH946mbNw at 10 MPHH4Katia09/05 10:37 PMCangialosi
3309/06 5:00 AM26.5N65.1W125MPH950mbNw at 10 MPHH3Katia09/06 4:35 AMKimberlain
3409/06 11:00 AM27.0N65.9W120MPH954mbNw at 9 MPHH3Katia09/06 10:47 AMBerg/avila
34A09/06 2:00 PM27.3N66.4W115MPH963mbNw at 9 MPHH3Katia09/06 1:43 PMBerg/avila
3509/06 5:00 PM27.6N66.7W105MPH963mbNw at 9 MPHH2Katia09/06 4:49 PMBerg/brennan
35A09/06 8:00 PM27.8N66.9W105MPH963mbNw at 10 MPHH2Katia09/06 7:53 PMCangialosi/brennan
3609/06 11:00 PM28.1N67.2W105MPH963mbNw at 9 MPHH2Katia09/06 10:43 PMCangialosi/brennan
36A09/07 2:00 AM28.4N67.5W105MPH963mbNw at 9 MPHH2Katia09/07 1:39 AMKimberlain/pasch
3709/07 5:00 AM28.7N67.9W90MPH973mbNw at 10 MPHH1Katia09/07 4:45 AMKimberlain/pasch
37A09/07 8:00 AM29.0N68.4W90MPH973mbNw at 10 MPHH1Katia09/07 7:43 AMBrown
3809/07 11:00 AM29.2N68.8W85MPH976mbNw at 10 MPHH1Katia09/07 10:48 AMBrown
38A09/07 2:00 PM29.4N69.1W85MPH978mbNw at 10 MPHH1Katia09/07 1:41 PMBrown
3909/07 5:00 PM29.9N69.7W80MPH982mbNw at 10 MPHH1Katia09/07 4:50 PMBrown
39A09/07 8:00 PM30.2N69.9W80MPH982mbNw at 10 MPHH1Katia09/07 7:43 PMCangialosi/beven
4009/07 11:00 PM30.8N70.0W80MPH982mbNnw at 13 MPHH1Katia09/07 10:55 PMCangialosi/beven
40A09/08 2:00 AM31.4N70.2W90MPH975mbNnw at 13 MPHH1Katia09/08 1:39 AMCangialosi/pasch
4109/08 5:00 AM32.0N70.2W90MPH970mbN at 14 MPHH1Katia09/08 4:36 AMCangialosi/pasch
41A09/08 8:00 AM32.8N70.2W90MPH970mbN at 14 MPHH1Katia09/08 7:48 AMBrown
4209/08 11:00 AM33.6N70.1W90MPH970mbN at 16 MPHH1Katia09/08 11:00 AMFranklin/hogsett
42A09/08 2:00 PM34.2N70.0W85MPH973mbN at 16 MPHH1Katia09/08 1:39 PMHogsett/franklin
4309/08 5:00 PM34.9N69.6W85MPH973mbN at 16 MPHH1Katia09/08 4:52 PMHogsett/franklin
4409/08 11:00 PM36.3N68.8W85MPH973mbNe at 21 MPHH1Katia09/08 10:45 PMStewart
4509/09 5:00 AM37.6N67.5W85MPH967mbNe at 24 MPHH1Katia09/09 5:00 AMAvila
4609/09 11:00 AM39.3N65.8W85MPH968mbNe at 29 MPHH1Katia09/09 10:34 AMStewart
4709/09 5:00 PM40.6N62.7W85MPH970mbEne at 38 MPHH1Katia09/09 4:42 PMStewart
4809/09 11:00 PM41.3N58.0W85MPH970mbEne at 46 MPHH1Katia09/09 10:55 PMHogsett/blake
4909/10 5:00 AM43.3N53.4W80MPH970mbEne at 44 MPHH1Katia09/10 4:48 AMCangialosi
5009/10 11:00 AM44.7N47.7W80MPH954mbEne at 53 MPHPTCCyclone09/10 10:56 AMStewart
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