There were 12 convective periods for June 2011:
Start: 01/13Z End: 01/18Z Flow Regime: NE      radar/wind loop
Start: 13/01Z End: 13/04Z Flow Regime: NW      radar/wind loop
Start: 14/18Z End: 15/02Z Flow Regime: NW      radar/wind loop
Start: 18/18Z End: 19/03Z Flow Regime: SW-2    radar/wind loop
Start: 23/18Z End: 23/19Z Flow Regime: SE-1    radar/wind loop
Start: 24/18Z End: 25/02Z Flow Regime: Other   radar/wind loop
Start: 25/16Z End: 25/21Z Flow Regime: SW-2    radar/wind loop
Start: 26/16Z End: 26/21Z Flow Regime: SW-1    radar/wind loop
Start: 27/19Z End: 27/21Z Flow Regime: SW-2    radar/wind loop
Start: 28/17Z End: 28/22Z Flow Regime: SE-1    radar/wind loop
Start: 29/13Z End: 29/21Z Flow Regime: SW-2    radar/wind loop
Start: 30/17Z End: 30/21Z Flow Regime: SW-1    radar/wind loop
 
Start: 01/13Z End: 01/18Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 011420Z   Last at 011500Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 25 knots from 034 degrees for tower 0311 at 054 feet on 011420Z
 
Start: 13/01Z End: 13/04Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 130100Z   Last at 130400Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 204 degrees for tower 1102 at 162 feet on 130210Z
 
Start: 14/18Z End: 15/02Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 141850Z   Last at 150150Z
 First peak wind >= 35 knots at 141900Z   Last at 150035Z
 First peak wind >= 50 knots at 141920Z   Last at 150025Z
 Max peak wind reported was 64 knots from 307 degrees for tower 3132 at 295 feet on 141925Z
 
Start: 18/18Z End: 19/03Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 181935Z   Last at 190210Z
 First peak wind >= 35 knots at 182315Z   Last at 190035Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 40 knots from 302 degrees for tower 0300 at 054 feet on 190030Z
 
Start: 23/18Z End: 23/19Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 231855Z   Last at 231855Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 20 knots from 122 degrees for tower 0421 at 054 feet on 231855Z
 
Start: 24/18Z End: 25/02Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 241940Z   Last at 250050Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 230 degrees for tower 0019 at 054 feet on 242300Z
 
Start: 25/16Z End: 25/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 251725Z   Last at 252100Z
 First peak wind >= 35 knots at 251845Z   Last at 252010Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 37 knots from 193 degrees for tower 1007 at 054 feet on 251845Z
 
Start: 26/16Z End: 26/21Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 261825Z   Last at 262010Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 016 degrees for tower 0819 at 054 feet on 261825Z
 
Start: 27/19Z End: 27/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 271945Z   Last at 272045Z
 First peak wind >= 35 knots at 271955Z   Last at 271955Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 42 knots from 179 degrees for tower 1612 at 054 feet on 271955Z
 
Start: 28/17Z End: 28/22Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 281835Z   Last at 282200Z
 First peak wind >= 35 knots at 282140Z   Last at 282140Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 160 degrees for tower 0421 at 054 feet on 282140Z
 
Start: 29/13Z End: 29/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 291415Z   Last at 291900Z
 First peak wind >= 35 knots at 291530Z   Last at 291605Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 178 degrees for tower 3132 at 295 feet on 291530Z
 
Start: 30/17Z End: 30/21Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 301805Z   Last at 302035Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 28 knots from 313 degrees for tower 0418 at 054 feet on 301835Z