There were 22 convective periods for July 1997:
Start: 30/16Z End: 01/02Z Flow Regime: NW      Continued from June   radar/wind loop
Start: 01/19Z End: 02/01Z Flow Regime: NW      radar/wind loop
Start: 05/18Z End: 05/22Z Flow Regime: Other   radar/wind loop
Start: 06/17Z End: 06/20Z Flow Regime: SW-2    radar/wind loop
Start: 08/01Z End: 08/05Z Flow Regime: SW-2    radar/wind loop
Start: 08/17Z End: 08/22Z Flow Regime: SW-2    radar/wind loop
Start: 09/19Z End: 09/23Z Flow Regime: Other   radar/wind loop
Start: 10/21Z End: 11/11Z Flow Regime: Other   radar/wind loop
Start: 11/16Z End: 11/21Z Flow Regime: Other   radar/wind loop
Start: 13/04Z End: 13/06Z Flow Regime: Missing radar/wind loop
Start: 15/17Z End: 15/21Z Flow Regime: Other   radar/wind loop
Start: 17/16Z End: 17/21Z Flow Regime: Other   radar/wind loop
Start: 18/19Z End: 19/03Z Flow Regime: SW-2    radar/wind loop
Start: 19/19Z End: 19/23Z Flow Regime: SW-1    radar/wind loop
Start: 22/08Z End: 22/18Z Flow Regime: SE-1    radar/wind loop
Start: 23/12Z End: 23/21Z Flow Regime: SE-1    radar/wind loop
Start: 24/17Z End: 24/22Z Flow Regime: SE-1    radar/wind loop
Start: 26/17Z End: 27/01Z Flow Regime: SW-2    radar/wind loop
Start: 28/23Z End: 29/02Z Flow Regime: Missing radar/wind loop
Start: 29/20Z End: 30/01Z Flow Regime: Missing radar/wind loop
Start: 30/18Z End: 31/02Z Flow Regime: Missing radar/wind loop
Start: 31/18Z End: 31/24Z Flow Regime: SW-1    radar/wind loop
 
Start: 30/16Z End: 01/02Z Flow Regime: NW      Continued from June   radar/wind loop
 First peak wind >= 20 knots at 010000Z   Last at 010105Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 31 knots from 213 degrees for tower 0021 at 204 feet on 010035Z
 
Start: 01/19Z End: 02/01Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 011935Z   Last at 020035Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 102 degrees for tower 0512 at 030 feet on 012130Z
 
Start: 05/18Z End: 05/22Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 051815Z   Last at 052155Z
 First peak wind >= 35 knots at 051905Z   Last at 052020Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 47 knots from 196 degrees for tower 3131 at 295 feet on 051940Z
 
Start: 06/17Z End: 06/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 061800Z   Last at 061915Z
 First peak wind >= 35 knots at 061800Z   Last at 061900Z
 First peak wind >= 50 knots at 061820Z   Last at 061820Z
 Max peak wind reported was 50 knots from 277 degrees for tower 3131 at 295 feet on 061820Z
 
Start: 08/01Z End: 08/05Z 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 323 degrees for tower 1612 at 054 feet on 080115Z
 
Start: 08/17Z End: 08/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 081955Z   Last at 082125Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 098 degrees for tower 1612 at 054 feet on 082020Z
 
Start: 09/19Z End: 09/23Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 092020Z   Last at 092300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 264 degrees for tower 0403 at 054 feet on 092130Z
 
Start: 10/21Z End: 11/11Z Flow Regime: Other #   radar/wind loop
 First peak wind >= 20 knots at 102100Z   Last at 110350Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 292 degrees for tower 0421 at 054 feet on 102145Z
 
Start: 11/16Z End: 11/21Z Flow Regime: Other #   radar/wind loop
 First peak wind >= 20 knots at 111720Z   Last at 112035Z
 First peak wind >= 35 knots at 111825Z   Last at 111830Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 316 degrees for tower 0421 at 054 feet on 111830Z
 
Start: 13/04Z End: 13/06Z Flow Regime: Missing 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 045 degrees for tower 0022 at 054 feet on 130515Z
 
Start: 15/17Z End: 15/21Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 151910Z   Last at 152100Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 058 degrees for tower 1612 at 054 feet on 151915Z
 
Start: 17/16Z End: 17/21Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 171820Z   Last at 171820Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 025 degrees for tower 0805 at 054 feet on 171820Z
 
Start: 18/19Z End: 19/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 181950Z   Last at 190135Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 247 degrees for tower 0021 at 204 feet on 190040Z
 
Start: 19/19Z End: 19/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 192005Z   Last at 192120Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 286 degrees for tower 0019 at 054 feet on 192030Z
 
Start: 22/08Z End: 22/18Z 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 17 knots from 128 degrees for tower 0513 at 030 feet on 221605Z
 
Start: 23/12Z End: 23/21Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 231255Z   Last at 232045Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 157 degrees for tower 0003 at 054 feet on 231255Z
 
Start: 24/17Z End: 24/22Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 241725Z   Last at 242145Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 132 degrees for tower 0300 at 054 feet on 242115Z
 
Start: 26/17Z End: 27/01Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 261820Z   Last at 262355Z
 First peak wind >= 35 knots at 261905Z   Last at 262255Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 284 degrees for tower 0421 at 054 feet on 262025Z
 
Start: 28/23Z End: 29/02Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 290000Z   Last at 290055Z
 First peak wind >= 35 knots at 290025Z   Last at 290025Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 35 knots from 254 degrees for tower 0022 at 054 feet on 290025Z
 
Start: 29/20Z End: 30/01Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 292000Z   Last at 292320Z
 First peak wind >= 35 knots at 292130Z   Last at 292315Z
 First peak wind >= 50 knots at 292315Z   Last at 292315Z
 Max peak wind reported was 51 knots from 187 degrees for tower 0022 at 054 feet on 292315Z
 
Start: 30/18Z End: 31/02Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 301955Z   Last at 310110Z
 First peak wind >= 35 knots at 302000Z   Last at 302000Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 154 degrees for tower 0512 at 030 feet on 302000Z
 
Start: 31/18Z End: 31/24Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 311955Z   Last at 312255Z
 First peak wind >= 35 knots at 312210Z   Last at 312210Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 321 degrees for tower 3132 at 204 feet on 312210Z