There were 16 convective periods for June 1999:
Start: 31/20Z End: 01/04Z Flow Regime: NE      Continued from May   radar/wind loop
Start: 06/13Z End: 07/12Z Flow Regime: NE      radar/wind loop
Start: 09/23Z End: 10/03Z Flow Regime: SE-1    radar/wind loop
Start: 10/13Z End: 11/09Z Flow Regime: Other   radar/wind loop
Start: 11/17Z End: 11/22Z Flow Regime: SW-2    radar/wind loop
Start: 12/15Z End: 12/19Z Flow Regime: Other   radar/wind loop
Start: 13/17Z End: 13/21Z Flow Regime: SW-2    radar/wind loop
Start: 16/01Z End: 16/06Z Flow Regime: SE-1    radar/wind loop
Start: 16/17Z End: 16/23Z Flow Regime: SE-1    radar/wind loop
Start: 17/15Z End: 17/23Z Flow Regime: SW-1    radar/wind loop
Start: 18/16Z End: 19/00Z Flow Regime: SW-2    radar/wind loop
Start: 21/14Z End: 21/21Z Flow Regime: SW-2    radar/wind loop
Start: 22/14Z End: 22/21Z Flow Regime: NW      radar/wind loop
Start: 25/16Z End: 25/23Z Flow Regime: Other   radar/wind loop
Start: 27/23Z End: 28/02Z Flow Regime: Other   radar/wind loop
Start: 30/18Z End: 01/02Z Flow Regime: SW-2    Continued into July   radar/wind loop
 
Start: 31/20Z End: 01/04Z Flow Regime: NE      Continued from May   radar/wind loop
 First peak wind >= 20 knots at 010000Z   Last at 010400Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 112 degrees for tower 0036 at 090 feet on 010255Z
 
Start: 06/13Z End: 07/12Z Flow Regime: NE      radar/wind loop
 First peak wind >= 20 knots at 061345Z   Last at 071200Z
 First peak wind >= 35 knots at 061605Z   Last at 061605Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 072 degrees for tower 1101 at 162 feet on 061605Z
 
Start: 09/23Z End: 10/03Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 100035Z   Last at 100210Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 28 knots from 263 degrees for tower 3132 at 295 feet on 100045Z
 
Start: 10/13Z End: 11/09Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 101805Z   Last at 110815Z
 First peak wind >= 35 knots at 101955Z   Last at 102030Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 46 knots from 333 degrees for tower 0311 at 054 feet on 102010Z
 
Start: 11/17Z End: 11/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 111820Z   Last at 112200Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 070 degrees for tower 0393 at 060 feet on 111905Z
 
Start: 12/15Z End: 12/19Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 121720Z   Last at 121720Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 028 degrees for tower 1612 at 054 feet on 121720Z
 
Start: 13/17Z End: 13/21Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 131815Z   Last at 132100Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 23 knots from 110 degrees for tower 0421 at 054 feet on 131945Z
 
Start: 16/01Z End: 16/06Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 160325Z   Last at 160345Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 261 degrees for tower 3131 at 295 feet on 160335Z
 
Start: 16/17Z End: 16/23Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 161705Z   Last at 162255Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 177 degrees for tower 1612 at 054 feet on 161900Z
 
Start: 17/15Z End: 17/23Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 171540Z   Last at 172220Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 190 degrees for tower 0062 at 204 feet on 171955Z
 
Start: 18/16Z End: 19/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 182125Z   Last at 182310Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 29 knots from 036 degrees for tower 0019 at 054 feet on 182155Z
 
Start: 21/14Z End: 21/21Z 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 19 knots from 354 degrees for tower 0062 at 204 feet on 211520Z
 
Start: 22/14Z End: 22/21Z 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 19 knots from 024 degrees for tower 0421 at 054 feet on 221925Z
 
Start: 25/16Z End: 25/23Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 251855Z   Last at 252235Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 099 degrees for tower 0509 at 054 feet on 251930Z
 
Start: 27/23Z End: 28/02Z Flow Regime: Other   radar/wind loop
 First peak wind >= 20 knots at 272300Z   Last at 280045Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 33 knots from 313 degrees for tower 0714 at 054 feet on 272350Z
 
Start: 30/18Z End: 01/02Z Flow Regime: SW-2     Continued into July   radar/wind loop
 First peak wind >= 20 knots at 301910Z   Last at 302355Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 234 degrees for tower 0421 at 054 feet on 302325Z