There were 19 convective periods for June 2001:
Start: 01/17Z End: 01/21Z Flow Regime: SW-2    radar/wind loop
Start: 02/19Z End: 03/00Z Flow Regime: SW-1    radar/wind loop
Start: 07/16Z End: 07/20Z Flow Regime: SW-2    radar/wind loop
Start: 08/15Z End: 09/04Z Flow Regime: SW-2    radar/wind loop
Start: 09/23Z End: 10/03Z Flow Regime: SW-2    radar/wind loop
Start: 10/20Z End: 11/01Z Flow Regime: SW-1    radar/wind loop
Start: 11/21Z End: 12/03Z Flow Regime: SW-1    radar/wind loop
Start: 12/20Z End: 12/23Z Flow Regime: SW-1    radar/wind loop
Start: 13/20Z End: 14/03Z Flow Regime: SW-2    radar/wind loop
Start: 14/19Z End: 14/22Z Flow Regime: SW-2    radar/wind loop
Start: 15/18Z End: 16/01Z Flow Regime: SW-2    radar/wind loop
Start: 17/00Z End: 17/04Z Flow Regime: NW      radar/wind loop
Start: 17/21Z End: 18/03Z Flow Regime: NW      radar/wind loop
Start: 20/13Z End: 20/15Z Flow Regime: Other   radar/wind loop
Start: 22/17Z End: 22/21Z Flow Regime: SW-2    radar/wind loop
Start: 23/15Z End: 23/18Z Flow Regime: SW-1    radar/wind loop
Start: 24/16Z End: 24/21Z Flow Regime: Missing radar/wind loop
Start: 27/15Z End: 28/00Z Flow Regime: SE-2    radar/wind loop
Start: 28/11Z End: 28/17Z Flow Regime: SE-2    radar/wind loop
 
Start: 01/17Z End: 01/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 011805Z   Last at 011940Z
 First peak wind >= 35 knots at 011845Z   Last at 011905Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 257 degrees for tower 0511 at 030 feet on 011855Z
 
Start: 02/19Z End: 03/00Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 021900Z   Last at 030000Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 31 knots from 170 degrees for tower 1101 at 204 feet on 022200Z
 
Start: 07/16Z End: 07/20Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 071700Z   Last at 071845Z
 First peak wind >= 35 knots at 071715Z   Last at 071715Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 44 knots from 265 degrees for tower 0421 at 054 feet on 071715Z
 
Start: 08/15Z End: 09/04Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 081710Z   Last at 090220Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 258 degrees for tower 0803 at 054 feet on 081845Z
 
Start: 09/23Z End: 10/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 092300Z   Last at 100145Z
 First peak wind >= 35 knots at 100115Z   Last at 100115Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 40 knots from 316 degrees for tower 9404 at 054 feet on 100115Z
 
Start: 10/20Z End: 11/01Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 102015Z   Last at 102220Z
 First peak wind >= 35 knots at 102105Z   Last at 102200Z
 First peak wind >= 50 knots at 102140Z   Last at 102140Z
 Max peak wind reported was 53 knots from 325 degrees for tower 1101 at 162 feet on 102140Z
 
Start: 11/21Z End: 12/03Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 112200Z   Last at 120220Z
 First peak wind >= 35 knots at 112240Z   Last at 112330Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 49 knots from 295 degrees for tower 0061 at 204 feet on 112325Z
 
Start: 12/20Z End: 12/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 122000Z   Last at 122300Z
 First peak wind >= 35 knots at 122200Z   Last at 122210Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 37 knots from 189 degrees for tower 0020 at 204 feet on 122200Z
 
Start: 13/20Z End: 14/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 132035Z   Last at 140200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 254 degrees for tower 1612 at 054 feet on 140120Z
 
Start: 14/19Z End: 14/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 141930Z   Last at 142055Z
 First peak wind >= 35 knots at 142005Z   Last at 142040Z
 First peak wind >= 50 knots at 142005Z   Last at 142005Z
 Max peak wind reported was 51 knots from 266 degrees for tower 0714 at 054 feet on 142005Z
 
Start: 15/18Z End: 16/01Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 151855Z   Last at 160100Z
 First peak wind >= 35 knots at 151945Z   Last at 152100Z
 First peak wind >= 50 knots at 152015Z   Last at 152020Z
 Max peak wind reported was 52 knots from 062 degrees for tower 1007 at 054 feet on 152020Z
 
Start: 17/00Z End: 17/04Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 170000Z   Last at 170235Z
 First peak wind >= 35 knots at 170130Z   Last at 170205Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 37 knots from 308 degrees for tower 0036 at 090 feet on 170155Z
 
Start: 17/21Z End: 18/03Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 172155Z   Last at 180145Z
 First peak wind >= 35 knots at 172230Z   Last at 172235Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 40 knots from 275 degrees for tower 0022 at 054 feet on 172235Z
 
Start: 20/13Z End: 20/15Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 201410Z   Last at 201425Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 342 degrees for tower 0412 at 054 feet on 201410Z
 
Start: 22/17Z End: 22/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 221755Z   Last at 222000Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 304 degrees for tower 0300 at 054 feet on 221840Z
 
Start: 23/15Z End: 23/18Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 231520Z   Last at 231630Z
 First peak wind >= 35 knots at 231600Z   Last at 231610Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 249 degrees for tower 0021 at 204 feet on 231610Z
 
Start: 24/16Z End: 24/21Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 241755Z   Last at 241900Z
 First peak wind >= 35 knots at 241825Z   Last at 241850Z
 First peak wind >= 50 knots at 241840Z   Last at 241845Z
 Max peak wind reported was 62 knots from 258 degrees for tower 0062 at 204 feet on 241845Z
 
Start: 27/15Z End: 28/00Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 271635Z   Last at 280000Z
 First peak wind >= 35 knots at 271700Z   Last at 271700Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 38 knots from 065 degrees for tower 0393 at 060 feet on 271700Z
 
Start: 28/11Z End: 28/17Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 281440Z   Last at 281615Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 176 degrees for tower 0061 at 204 feet on 281450Z