There were 5 convective periods for September 2003:
Start: 20/21Z End: 21/03Z Flow Regime: SE-2    radar/wind loop
Start: 25/03Z End: 25/06Z Flow Regime: NE      radar/wind loop
Start: 25/15Z End: 26/20Z Flow Regime: Other   radar/wind loop
Start: 27/13Z End: 27/20Z Flow Regime: SW-2    radar/wind loop
Start: 28/16Z End: 29/00Z Flow Regime: SW-1    radar/wind loop
 
Start: 20/21Z End: 21/03Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 202225Z   Last at 210300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 104 degrees for tower 0022 at 054 feet on 210255Z
 
Start: 25/03Z End: 25/06Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 250310Z   Last at 250340Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 23 knots from 094 degrees for tower 0211 at 054 feet on 250340Z
 
Start: 25/15Z End: 26/20Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 252240Z   Last at 261710Z
 First peak wind >= 35 knots at 260000Z   Last at 260000Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 40 knots from 128 degrees for tower 0421 at 054 feet on 260000Z
 
Start: 27/13Z End: 27/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 271625Z   Last at 271745Z
 First peak wind >= 35 knots at 271705Z   Last at 271740Z
 First peak wind >= 50 knots at 271740Z   Last at 271740Z
 Max peak wind reported was 50 knots from 314 degrees for tower 0020 at 204 feet on 271740Z
 
Start: 28/16Z End: 29/00Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 282040Z   Last at 282355Z
 First peak wind >= 35 knots at 282155Z   Last at 282155Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 37 knots from 160 degrees for tower 0022 at 054 feet on 282155Z