There were 19 convective periods for June 1997:
Start: 01/17Z End: 01/23Z Flow Regime: SW-1    radar/wind loop
Start: 02/14Z End: 02/23Z Flow Regime: SW-1    radar/wind loop
Start: 06/05Z End: 06/10Z Flow Regime: SE-1    radar/wind loop
Start: 09/11Z End: 09/15Z Flow Regime: SE-2    radar/wind loop
Start: 11/13Z End: 11/21Z Flow Regime: SE-1    radar/wind loop
Start: 12/13Z End: 12/22Z Flow Regime: SW-1    radar/wind loop
Start: 13/15Z End: 13/22Z Flow Regime: SW-1    radar/wind loop
Start: 14/15Z End: 15/01Z Flow Regime: SW-1    radar/wind loop
Start: 15/21Z End: 16/03Z Flow Regime: SW-2    radar/wind loop
Start: 17/15Z End: 17/22Z Flow Regime: SW-1    radar/wind loop
Start: 18/19Z End: 19/00Z Flow Regime: SW-2    radar/wind loop
Start: 19/18Z End: 19/23Z Flow Regime: NW      radar/wind loop
Start: 20/21Z End: 21/03Z Flow Regime: NW      radar/wind loop
Start: 23/02Z End: 23/04Z Flow Regime: NW      radar/wind loop
Start: 26/15Z End: 26/18Z Flow Regime: SE-1    radar/wind loop
Start: 27/16Z End: 27/21Z Flow Regime: SW-2    radar/wind loop
Start: 28/18Z End: 29/00Z Flow Regime: SW-2    radar/wind loop
Start: 29/19Z End: 29/23Z Flow Regime: SW-2    radar/wind loop
Start: 30/16Z End: 01/02Z Flow Regime: NW      Continued into July   radar/wind loop
 
Start: 01/17Z End: 01/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 011700Z   Last at 012230Z
 First peak wind >= 35 knots at 011755Z   Last at 011830Z
 First peak wind >= 50 knots at 011805Z   Last at 011805Z
 Max peak wind reported was 58 knots from 216 degrees for tower 3131 at 295 feet on 011805Z
 
Start: 02/14Z End: 02/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 021505Z   Last at 022200Z
 First peak wind >= 35 knots at 022105Z   Last at 022105Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 179 degrees for tower 1101 at 204 feet on 022105Z
 
Start: 06/05Z End: 06/10Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 060500Z   Last at 060950Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 138 degrees for tower 0019 at 054 feet on 060500Z
 
Start: 09/11Z End: 09/15Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 091100Z   Last at 091500Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 084 degrees for tower 0062 at 162 feet on 091235Z
 
Start: 11/13Z End: 11/21Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 111300Z   Last at 111300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 058 degrees for tower 0397 at 060 feet on 111300Z
 
Start: 12/13Z End: 12/22Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 121825Z   Last at 122130Z
 First peak wind >= 35 knots at 122025Z   Last at 122025Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 173 degrees for tower 0021 at 204 feet on 122025Z
 
Start: 13/15Z End: 13/22Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 131545Z   Last at 132200Z
 First peak wind >= 35 knots at 131740Z   Last at 131745Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 269 degrees for tower 1000 at 054 feet on 131740Z
 
Start: 14/15Z End: 15/01Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 141555Z   Last at 150030Z
 First peak wind >= 35 knots at 141710Z   Last at 141750Z
 First peak wind >= 50 knots at 141750Z   Last at 141750Z
 Max peak wind reported was 52 knots from 269 degrees for tower 0019 at 054 feet on 141750Z
 
Start: 15/21Z End: 16/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 152100Z   Last at 160135Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 276 degrees for tower 3132 at 204 feet on 152310Z
 
Start: 17/15Z End: 17/22Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 171640Z   Last at 171950Z
 First peak wind >= 35 knots at 171745Z   Last at 171750Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 48 knots from 294 degrees for tower 0061 at 162 feet on 171745Z
 
Start: 18/19Z End: 19/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 182005Z   Last at 182200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 343 degrees for tower 0019 at 054 feet on 182030Z
 
Start: 19/18Z End: 19/23Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 191940Z   Last at 192125Z
 First peak wind >= 35 knots at 191950Z   Last at 192110Z
 First peak wind >= 50 knots at 192005Z   Last at 192015Z
 Max peak wind reported was 59 knots from 349 degrees for tower 0019 at 054 feet on 192005Z
 
Start: 20/21Z End: 21/03Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 210140Z   Last at 210200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 223 degrees for tower 0021 at 145 feet on 210145Z
 
Start: 23/02Z End: 23/04Z Flow Regime: NW      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 233 degrees for tower 0714 at 054 feet on 230235Z
 
Start: 26/15Z End: 26/18Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 261625Z   Last at 261630Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 064 degrees for tower 1007 at 054 feet on 261625Z
 
Start: 27/16Z End: 27/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 271710Z   Last at 272050Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 008 degrees for tower 0509 at 054 feet on 271745Z
 
Start: 28/18Z End: 29/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 282010Z   Last at 282210Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 253 degrees for tower 0019 at 054 feet on 282100Z
 
Start: 29/19Z End: 29/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 292050Z   Last at 292210Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 31 knots from 229 degrees for tower 1102 at 054 feet on 292200Z
 
Start: 30/16Z End: 01/02Z Flow Regime: NW      Continued into July   radar/wind loop
 First peak wind >= 20 knots at 301755Z   Last at 302355Z
 First peak wind >= 35 knots at 301815Z   Last at 301815Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 262 degrees for tower 0020 at 204 feet on 301815Z