Post-Tropical Cyclone Cyclone
08/18 11:00 PM EDT - Helene Degenerates Into A Broad Area Of Low Pressure
22.8N 99.1W
Windspeed: 30 MPH - Pressure: 1009mb
Movement: Nw at 3 MPH
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Public Storm Advisory Cyclone B C Dvorak T-Numbers TAFB ssd UW-CIMSS
Governmental Storm Discussion
Cyclone B C
Marine Advisory/Forecast
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.

CFHC Google Map Plot Weather Underground Wundermap (Another Google Plot) NHC Google Map Plot
Buoy Reports Near Cyclone - CIMSS Data for Cyclone - RAMMB Info and Satellites for Cyclone
Tracking Maps: Weather Underground
Tracking Maps: Climo Weather Underground
NHC Track Map (See this animated)
National Hurricane Center 5 Day Plot for Cyclone

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

Skeetobite Weather Plot:
Skeetobite Plot
See this plot animated

Skeetobite Weather Storm Plot:
Skeetobite NHC Storm Plot for Cyclone
Satellite (IR/Vis) Loop IR, Loop Vis:

Satellite (Water Vapor) Loop WV:

Probability Cone

Wind Swaths

The Following Graphic is from the South Florida Water Management District See This animated)


Coordinate History

Adv#DateLatLongWindPresMovementTypeNameReceivedForecaster
208/09 11:00 PM13.7N45.5W35MPH1009mbW at 20 MPHTDTD#708/09 10:38 PMBlake
308/10 5:00 AM13.6N47.2W35MPH1009mbW at 20 MPHTDTD#708/10 4:41 AMBrown
408/10 11:00 AM13.7N49.5W35MPH1009mbW at 23 MPHTDTD#708/10 10:53 AMBerg
508/10 5:00 PM13.7N51.9W35MPH1009mbW at 24 MPHTDTD#708/10 4:35 PMBerg/brennan
5A08/10 8:00 PM13.8N52.8W35MPH1009mbW at 24 MPHTDTD#708/10 7:41 PMBrennan
608/10 11:00 PM13.9N54.1W35MPH1009mbW at 24 MPHTDTD#708/10 10:35 PMBrennan
6A08/11 2:00 AM13.9N55.2W35MPH1009mbW at 24 MPHTDTD#708/11 1:47 AMBeven
708/11 5:00 AM14.0N56.1W35MPH1009mbW at 24 MPHTDTD#708/11 4:35 AMBeven
7A08/11 8:00 AM14.0N57.5W35MPH1008mbW at 24 MPHTDTD#708/11 7:59 AMBerg/avila
908/17 5:30 PM20.6N96.1W45MPH1004mbNw at 7 MPHTSHelene08/17 5:26 PMBrennan
9A08/17 8:00 PM20.7N96.1W45MPH1006mbN at 2 MPHTSHelene08/17 7:50 PMAvila
1008/17 11:00 PM21.0N96.4W40MPH1006mbNw at 7 MPHTSHelene08/17 10:32 PMAvila
10A08/18 2:00 AM21.2N96.4W40MPH1006mbNw at 7 MPHTSHelene08/18 1:53 AMCangialosi/beven
1108/18 5:00 AM21.6N97.0W40MPH1007mbNw at 7 MPHTSHelene08/18 5:08 AMCangialosi/beven
11A08/18 8:00 AM21.9N97.5W40MPH1007mbNw at 8 MPHTSHelene08/18 7:44 AMBerg/brennan
1208/18 11:00 AM22.0N98.0W35MPH1008mbNw at 9 MPHTDHELENE08/18 10:35 AMBerg
1308/18 5:00 PM22.6N98.8W30MPH1010mbWnw at 5 MPHTDHELENE08/18 4:32 PMBerg
1408/18 11:00 PM22.8N99.1W30MPH1009mbNw at 3 MPHPTCCyclone08/18 10:35 PMAvila
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