There were 25 convective periods for August 2004:
Start: 01/00Z End: 01/03Z Flow Regime: NW Con      radar/wind loop
Start: 01/16Z End: 01/20Z Flow Regime: SW-2    radar/wind loop
Start: 02/19Z End: 03/02Z Flow Regime: Other   radar/wind loop
Start: 03/17Z End: 04/00Z Flow Regime: Other   radar/wind loop
Start: 04/14Z End: 05/00Z Flow Regime: Other   radar/wind loop
Start: 05/16Z End: 06/01Z Flow Regime: SW-2    radar/wind loop
Start: 06/16Z End: 07/06Z Flow Regime: NW      radar/wind loop
Start: 08/15Z End: 08/22Z Flow Regime: SW-2    radar/wind loop
Start: 09/16Z End: 09/22Z Flow Regime: SW-2    radar/wind loop
Start: 10/15Z End: 10/23Z Flow Regime: NW      radar/wind loop
Start: 11/18Z End: 12/02Z Flow Regime: SW-2    radar/wind loop
Start: 12/16Z End: 12/23Z Flow Regime: SE-1    radar/wind loop
Start: 14/13Z End: 14/21Z Flow Regime: SW-2    radar/wind loop
Start: 15/14Z End: 15/21Z Flow Regime: SE-1    radar/wind loop
Start: 16/18Z End: 16/21Z Flow Regime: SW-2    radar/wind loop
Start: 18/17Z End: 18/21Z Flow Regime: SW-2    radar/wind loop
Start: 21/17Z End: 21/23Z Flow Regime: Other   radar/wind loop
Start: 23/19Z End: 24/00Z Flow Regime: SW-2    radar/wind loop
Start: 24/18Z End: 24/21Z Flow Regime: SW-2    radar/wind loop
Start: 25/13Z End: 25/17Z Flow Regime: Other   radar/wind loop
Start: 26/01Z End: 26/05Z Flow Regime: Other   radar/wind loop
Start: 26/21Z End: 27/02Z Flow Regime: SW-2    radar/wind loop
Start: 27/18Z End: 28/00Z Flow Regime: SW-2    radar/wind loop
Start: 29/19Z End: 30/07Z Flow Regime: SW-2    radar/wind loop
Start: 30/21Z End: 31/03Z Flow Regime: SW-2    radar/wind loop
 
Start: 01/00Z End: 01/03Z Flow Regime: NW Con      radar/wind loop
 First peak wind >= 20 knots at 010005Z   Last at 010240Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 205 degrees for tower 0021 at 204 feet on 010045Z
 
Start: 01/16Z End: 01/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 011640Z   Last at 011840Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 275 degrees for tower 9404 at 054 feet on 011815Z
 
Start: 02/19Z End: 03/02Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 021935Z   Last at 030040Z
 First peak wind >= 35 knots at 022340Z   Last at 030025Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 330 degrees for tower 0394 at 060 feet on 022350Z
 
Start: 03/17Z End: 04/00Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 031800Z   Last at 032200Z
 First peak wind >= 35 knots at 031840Z   Last at 031900Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 269 degrees for tower 0021 at 090 feet on 031845Z
 
Start: 04/14Z End: 05/00Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 041745Z   Last at 042200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 311 degrees for tower 0022 at 054 feet on 041805Z
 
Start: 05/16Z End: 06/01Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 051655Z   Last at 060040Z
 First peak wind >= 35 knots at 051945Z   Last at 052055Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 48 knots from 357 degrees for tower 0415 at 054 feet on 052010Z
 
Start: 06/16Z End: 07/06Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 061810Z   Last at 070505Z
 First peak wind >= 35 knots at 061940Z   Last at 061940Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 245 degrees for tower 9404 at 054 feet on 061940Z
 
Start: 08/15Z End: 08/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 081840Z   Last at 082155Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 202 degrees for tower 0421 at 054 feet on 082015Z
 
Start: 09/16Z End: 09/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 092035Z   Last at 092040Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 23 knots from 350 degrees for tower 0300 at 054 feet on 092035Z
 
Start: 10/15Z End: 10/23Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 101920Z   Last at 102045Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 173 degrees for tower 1007 at 054 feet on 102040Z
 
Start: 11/18Z End: 12/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 112005Z   Last at 120100Z
 First peak wind >= 35 knots at 112215Z   Last at 112325Z
 First peak wind >= 50 knots at 112215Z   Last at 112215Z
 Max peak wind reported was 51 knots from 318 degrees for tower 0022 at 054 feet on 112215Z
 
Start: 12/16Z End: 12/23Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 121600Z   Last at 122205Z
 First peak wind >= 35 knots at 121820Z   Last at 121905Z
 First peak wind >= 50 knots at 121855Z   Last at 121905Z
 Max peak wind reported was 55 knots from 282 degrees for tower 0003 at 012 feet on 121905Z
 
Start: 14/13Z End: 14/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 141315Z   Last at 142020Z
 First peak wind >= 35 knots at 141715Z   Last at 142000Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 224 degrees for tower 0512 at 030 feet on 141955Z
 
Start: 15/14Z End: 15/21Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 151435Z   Last at 152055Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 248 degrees for tower 1612 at 054 feet on 151825Z
 
Start: 16/18Z End: 16/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 161935Z   Last at 161940Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 044 degrees for tower 1612 at 054 feet on 161940Z
 
Start: 18/17Z End: 18/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 181845Z   Last at 182015Z
 First peak wind >= 35 knots at 181930Z   Last at 182000Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 189 degrees for tower 0819 at 054 feet on 181930Z
 
Start: 21/17Z End: 21/23Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 211710Z   Last at 212220Z
 First peak wind >= 35 knots at 212055Z   Last at 212110Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 308 degrees for tower 0300 at 054 feet on 212055Z
 
Start: 23/19Z End: 24/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 232015Z   Last at 232155Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 333 degrees for tower 1612 at 054 feet on 232055Z
 
Start: 24/18Z End: 24/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 241930Z   Last at 241935Z
 First peak wind >= 35 knots at 241930Z   Last at 241930Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 35 knots from 155 degrees for tower 1612 at 054 feet on 241930Z
 
Start: 25/13Z End: 25/17Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 251430Z   Last at 251430Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 024 degrees for tower 0019 at 054 feet on 251430Z
 
Start: 26/01Z End: 26/05Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 260400Z   Last at 260440Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 28 knots from 162 degrees for tower 0300 at 054 feet on 260405Z
 
Start: 26/21Z End: 27/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 262155Z   Last at 262300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 329 degrees for tower 1012 at 054 feet on 262300Z
 
Start: 27/18Z End: 28/00Z 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 18 knots from 051 degrees for tower 0714 at 054 feet on 271950Z
 
Start: 29/19Z End: 30/07Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 292030Z   Last at 300630Z
 First peak wind >= 35 knots at 292110Z   Last at 292125Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 48 knots from 189 degrees for tower 0397 at 060 feet on 292115Z
 
Start: 30/21Z End: 31/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 302110Z   Last at 302255Z
 First peak wind >= 35 knots at 302145Z   Last at 302210Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 43 knots from 218 degrees for tower 0512 at 030 feet on 302205Z