There were 11 convective periods for September 2002:
Start: 02/16Z End: 03/02Z Flow Regime: SW-2    radar/wind loop
Start: 04/15Z End: 05/01Z Flow Regime: NW      radar/wind loop
Start: 05/22Z End: 06/04Z Flow Regime: SE-1    radar/wind loop
Start: 07/13Z End: 08/21Z Flow Regime: NE      radar/wind loop
Start: 09/05Z End: 09/11Z Flow Regime: NE      radar/wind loop
Start: 11/16Z End: 11/23Z Flow Regime: SW-2    radar/wind loop
Start: 20/19Z End: 20/23Z Flow Regime: SE-2    radar/wind loop
Start: 22/09Z End: 22/15Z Flow Regime: SE-1    radar/wind loop
Start: 26/09Z End: 26/12Z Flow Regime: SE-2    radar/wind loop
Start: 27/20Z End: 28/02Z Flow Regime: SW-1    radar/wind loop
Start: 30/12Z End: 30/14Z Flow Regime: NE      radar/wind loop
 
Start: 02/16Z End: 03/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 021850Z   Last at 021850Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 049 degrees for tower 1012 at 054 feet on 021850Z
 
Start: 04/15Z End: 05/01Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 041710Z   Last at 050050Z
 First peak wind >= 35 knots at 042015Z   Last at 042055Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 218 degrees for tower 0061 at 204 feet on 042045Z
 
Start: 05/22Z End: 06/04Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 060255Z   Last at 060300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 054 degrees for tower 0108 at 054 feet on 060255Z
 
Start: 07/13Z End: 08/21Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 071435Z   Last at 082040Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 037 degrees for tower 0061 at 204 feet on 082005Z
 
Start: 09/05Z End: 09/11Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 090700Z   Last at 090715Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 069 degrees for tower 0398 at 060 feet on 090705Z
 
Start: 11/16Z End: 11/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 111610Z   Last at 112300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 283 degrees for tower 0019 at 054 feet on 111720Z
 
Start: 20/19Z End: 20/23Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 201900Z   Last at 202125Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 28 knots from 084 degrees for tower 0036 at 090 feet on 202020Z
 
Start: 22/09Z End: 22/15Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 220900Z   Last at 221500Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 071 degrees for tower 0020 at 204 feet on 221010Z
 
Start: 26/09Z End: 26/12Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 260900Z   Last at 261200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 149 degrees for tower 1102 at 204 feet on 260915Z
 
Start: 27/20Z End: 28/02Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 272130Z   Last at 280045Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 23 knots from 254 degrees for tower 3132 at 295 feet on 280040Z
 
Start: 30/12Z End: 30/14Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 301235Z   Last at 301305Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 084 degrees for tower 0394 at 060 feet on 301235Z