There were 25 convective periods for July 2009:
Start: 01/14Z End: 01/17Z Flow Regime: SW-1    radar/wind loop
Start: 02/15Z End: 02/19Z Flow Regime: SW-2    radar/wind loop
Start: 03/20Z End: 04/00Z Flow Regime: SW-2    radar/wind loop
Start: 04/15Z End: 04/22Z Flow Regime: NW      radar/wind loop
Start: 05/19Z End: 05/22Z Flow Regime: SW-2    radar/wind loop
Start: 06/18Z End: 06/22Z Flow Regime: SW-1    radar/wind loop
Start: 07/16Z End: 07/23Z Flow Regime: SW-1    radar/wind loop
Start: 08/17Z End: 08/22Z Flow Regime: SW-1    radar/wind loop
Start: 09/20Z End: 10/00Z Flow Regime: SW-1    radar/wind loop
Start: 10/17Z End: 10/23Z Flow Regime: SW-2    radar/wind loop
Start: 11/18Z End: 11/21Z Flow Regime: SW-2    radar/wind loop
Start: 12/23Z End: 13/02Z Flow Regime: Other   radar/wind loop
Start: 13/20Z End: 14/00Z Flow Regime: SW-1    radar/wind loop
Start: 15/15Z End: 15/20Z Flow Regime: SW-2    radar/wind loop
Start: 16/23Z End: 17/02Z Flow Regime: SW-2    radar/wind loop
Start: 17/18Z End: 17/23Z Flow Regime: SW-1    radar/wind loop
Start: 18/17Z End: 18/21Z Flow Regime: SW-2    radar/wind loop
Start: 19/16Z End: 20/01Z Flow Regime: SW-1    radar/wind loop
Start: 20/13Z End: 20/15Z Flow Regime: SW-2    radar/wind loop
Start: 23/21Z End: 24/05Z Flow Regime: SW-2    radar/wind loop
Start: 24/20Z End: 25/02Z Flow Regime: SW-1    radar/wind loop
Start: 26/18Z End: 27/00Z Flow Regime: SW-1    radar/wind loop
Start: 29/14Z End: 30/01Z Flow Regime: SW-2    radar/wind loop
Start: 30/17Z End: 30/21Z Flow Regime: SW-2    radar/wind loop
Start: 31/16Z End: 31/21Z Flow Regime: SW-2    radar/wind loop
 
Start: 01/14Z End: 01/17Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 011400Z   Last at 011700Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 233 degrees for tower 0021 at 204 feet on 011640Z
 
Start: 02/15Z End: 02/19Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 021545Z   Last at 021845Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 252 degrees for tower 9404 at 054 feet on 021805Z
 
Start: 03/20Z End: 04/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 032050Z   Last at 032245Z
 First peak wind >= 35 knots at 032150Z   Last at 032220Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 263 degrees for tower 0061 at 204 feet on 032150Z
 
Start: 04/15Z End: 04/22Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 041915Z   Last at 042135Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 252 degrees for tower 0021 at 204 feet on 042120Z
 
Start: 05/19Z End: 05/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 051935Z   Last at 052120Z
 First peak wind >= 35 knots at 052035Z   Last at 052105Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 47 knots from 205 degrees for tower 3131 at 295 feet on 052040Z
 
Start: 06/18Z End: 06/22Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 061800Z   Last at 062045Z
 First peak wind >= 35 knots at 062025Z   Last at 062030Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 258 degrees for tower 3131 at 204 feet on 062025Z
 
Start: 07/16Z End: 07/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 071600Z   Last at 072205Z
 First peak wind >= 35 knots at 071730Z   Last at 071800Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 295 degrees for tower 0300 at 054 feet on 071755Z
 
Start: 08/17Z End: 08/22Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 081700Z   Last at 081945Z
 First peak wind >= 35 knots at 081910Z   Last at 081920Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 39 knots from 241 degrees for tower 0108 at 054 feet on 081920Z
 
Start: 09/20Z End: 10/00Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 092045Z   Last at 092345Z
 First peak wind >= 35 knots at 092200Z   Last at 092205Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 39 knots from 222 degrees for tower 0513 at 030 feet on 092200Z
 
Start: 10/17Z End: 10/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 101835Z   Last at 102125Z
 First peak wind >= 35 knots at 101845Z   Last at 102030Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 49 knots from 287 degrees for tower 0300 at 054 feet on 102030Z
 
Start: 11/18Z End: 11/21Z 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 18 knots from 140 degrees for tower 1204 at 054 feet on 111945Z
 
Start: 12/23Z End: 13/02Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 122300Z   Last at 130000Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 293 degrees for tower 0300 at 054 feet on 122355Z
 
Start: 13/20Z End: 14/00Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 132030Z   Last at 132310Z
 First peak wind >= 35 knots at 132300Z   Last at 132300Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 043 degrees for tower 0022 at 054 feet on 132300Z
 
Start: 15/15Z End: 15/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 151720Z   Last at 151845Z
 First peak wind >= 35 knots at 151740Z   Last at 151740Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 322 degrees for tower 0412 at 054 feet on 151740Z
 
Start: 16/23Z End: 17/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 162300Z   Last at 162355Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 293 degrees for tower 1612 at 054 feet on 162300Z
 
Start: 17/18Z End: 17/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 171800Z   Last at 172300Z
 First peak wind >= 35 knots at 172015Z   Last at 172235Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 43 knots from 275 degrees for tower 0803 at 054 feet on 172020Z
 
Start: 18/17Z End: 18/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 181700Z   Last at 182015Z
 First peak wind >= 35 knots at 181725Z   Last at 182010Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 40 knots from 243 degrees for tower 0509 at 054 feet on 181940Z
 
Start: 19/16Z End: 20/01Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 191655Z   Last at 200100Z
 First peak wind >= 35 knots at 191730Z   Last at 200005Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 47 knots from 288 degrees for tower 3132 at 295 feet on 191735Z
 
Start: 20/13Z End: 20/15Z 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 16 knots from 273 degrees for tower 3131 at 162 feet on 201435Z
 
Start: 23/21Z End: 24/05Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 240000Z   Last at 240050Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 263 degrees for tower 1612 at 054 feet on 240000Z
 
Start: 24/20Z End: 25/02Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 242010Z   Last at 250040Z
 First peak wind >= 35 knots at 242200Z   Last at 242200Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 35 knots from 341 degrees for tower 0394 at 060 feet on 242200Z
 
Start: 26/18Z End: 27/00Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 262005Z   Last at 262100Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 32 knots from 291 degrees for tower 0714 at 054 feet on 262010Z
 
Start: 29/14Z End: 30/01Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 291740Z   Last at 300100Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 222 degrees for tower 0022 at 054 feet on 300020Z
 
Start: 30/17Z End: 30/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 301835Z   Last at 302100Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 183 degrees for tower 0019 at 054 feet on 302045Z
 
Start: 31/16Z End: 31/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 311815Z   Last at 312040Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 163 degrees for tower 1612 at 054 feet on 311935Z