There were 14 convective periods for September 2009:
Start: 31/20Z End: 01/05Z Flow Regime: SW-2    Continued from August   radar/wind loop
Start: 01/15Z End: 02/02Z Flow Regime: SW-1    radar/wind loop
Start: 02/15Z End: 02/19Z Flow Regime: Other   radar/wind loop
Start: 03/12Z End: 03/21Z Flow Regime: SW-2    radar/wind loop
Start: 04/19Z End: 04/23Z Flow Regime: SW-2    radar/wind loop
Start: 05/18Z End: 05/22Z Flow Regime: SW-2    radar/wind loop
Start: 10/18Z End: 11/15Z Flow Regime: NW      radar/wind loop
Start: 11/18Z End: 12/05Z Flow Regime: Other   radar/wind loop
Start: 13/13Z End: 14/02Z Flow Regime: SW-2    radar/wind loop
Start: 23/05Z End: 23/10Z Flow Regime: SE-1    radar/wind loop
Start: 24/07Z End: 24/08Z Flow Regime: SE-1    radar/wind loop
Start: 27/04Z End: 27/06Z Flow Regime: NE      radar/wind loop
Start: 27/18Z End: 27/20Z Flow Regime: SW-2    radar/wind loop
Start: 29/16Z End: 29/23Z Flow Regime: NW      radar/wind loop
 
Start: 31/20Z End: 01/05Z Flow Regime: SW-2    Continued from August   radar/wind loop
 First peak wind >= 20 knots at 010315Z   Last at 010430Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 218 degrees for tower 0403 at 054 feet on 010350Z
 
Start: 01/15Z End: 02/02Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 011935Z   Last at 011935Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 035 degrees for tower 1612 at 054 feet on 011935Z
 
Start: 02/15Z End: 02/19Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 021535Z   Last at 021815Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 135 degrees for tower 0021 at 145 feet on 021540Z
 
Start: 03/12Z End: 03/21Z Flow Regime: SW-2    radar/wind loop
 No peak winds >= 20 knots were reported
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 19 knots from 293 degrees for tower 0403 at 054 feet on 031505Z
 
Start: 04/19Z End: 04/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 042025Z   Last at 042205Z
 First peak wind >= 35 knots at 042115Z   Last at 042115Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 252 degrees for tower 1102 at 054 feet on 042115Z
 
Start: 05/18Z End: 05/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 051845Z   Last at 052010Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 300 degrees for tower 1007 at 054 feet on 052005Z
 
Start: 10/18Z End: 11/15Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 101800Z   Last at 111455Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 31 knots from 067 degrees for tower 0512 at 030 feet on 102345Z
 
Start: 11/18Z End: 12/05Z Flow Regime: Other   radar/wind loop
 No peak winds >= 20 knots were reported
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 19 knots from 071 degrees for tower 0062 at 162 feet on 111840Z
 
Start: 13/13Z End: 14/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 131455Z   Last at 132145Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 318 degrees for tower 9404 at 054 feet on 131645Z
 
Start: 23/05Z End: 23/10Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 230620Z   Last at 230700Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 127 degrees for tower 0311 at 054 feet on 230700Z
 
Start: 24/07Z End: 24/08Z Flow Regime: SE-1    radar/wind loop
 No peak winds >= 20 knots were reported
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 14 knots from 124 degrees for tower 0300 at 054 feet on 240710Z
 
Start: 27/04Z End: 27/06Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 270410Z   Last at 270515Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 32 knots from 224 degrees for tower 1102 at 162 feet on 270455Z
 
Start: 27/18Z End: 27/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 271810Z   Last at 271925Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 33 knots from 269 degrees for tower 0061 at 204 feet on 271905Z
 
Start: 29/16Z End: 29/23Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 291620Z   Last at 292215Z
 First peak wind >= 35 knots at 291915Z   Last at 291915Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 308 degrees for tower 0003 at 054 feet on 291915Z