There were 19 convective periods for July 1998:
Start: 30/16Z End: 01/03Z Flow Regime: Other   Continued from June   radar/wind loop
Start: 03/18Z End: 03/21Z Flow Regime: NW      radar/wind loop
Start: 05/18Z End: 05/21Z Flow Regime: Missing radar/wind loop
Start: 06/17Z End: 07/01Z Flow Regime: SW-2    radar/wind loop
Start: 07/15Z End: 07/23Z Flow Regime: SW-2    radar/wind loop
Start: 08/12Z End: 09/00Z Flow Regime: SW-2    radar/wind loop
Start: 10/14Z End: 10/17Z Flow Regime: SW-2    radar/wind loop
Start: 11/15Z End: 12/00Z Flow Regime: SW-2    radar/wind loop
Start: 12/18Z End: 13/03Z Flow Regime: NW      radar/wind loop
Start: 14/19Z End: 14/23Z Flow Regime: SE-1    radar/wind loop
Start: 15/12Z End: 15/18Z Flow Regime: SW-1    radar/wind loop
Start: 16/21Z End: 17/00Z Flow Regime: SW-2    radar/wind loop
Start: 18/19Z End: 19/02Z Flow Regime: SW-2    radar/wind loop
Start: 21/10Z End: 21/12Z Flow Regime: SE-2    radar/wind loop
Start: 22/11Z End: 22/13Z Flow Regime: SE-2    radar/wind loop
Start: 27/20Z End: 28/04Z Flow Regime: SW-2    radar/wind loop
Start: 28/21Z End: 29/00Z Flow Regime: SW-2    radar/wind loop
Start: 29/16Z End: 29/23Z Flow Regime: SW-2    radar/wind loop
Start: 30/19Z End: 30/22Z Flow Regime: SW-2    radar/wind loop
 
Start: 30/16Z End: 01/03Z Flow Regime: Other   Continued from June   radar/wind loop
 First peak wind >= 20 knots at 010000Z   Last at 010220Z
 First peak wind >= 35 knots at 010015Z   Last at 010040Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 41 knots from 208 degrees for tower 3131 at 295 feet on 010035Z
 
Start: 03/18Z End: 03/21Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 031800Z   Last at 031835Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 21 knots from 034 degrees for tower 0020 at 090 feet on 031805Z
 
Start: 05/18Z End: 05/21Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 051940Z   Last at 052005Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 251 degrees for tower 0714 at 054 feet on 051955Z
 
Start: 06/17Z End: 07/01Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 061700Z   Last at 062350Z
 First peak wind >= 35 knots at 061920Z   Last at 062240Z
 First peak wind >= 50 knots at 061925Z   Last at 061925Z
 Max peak wind reported was 55 knots from 094 degrees for tower 1612 at 054 feet on 061925Z
 
Start: 07/15Z End: 07/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 071655Z   Last at 072300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 325 degrees for tower 0714 at 054 feet on 071725Z
 
Start: 08/12Z End: 09/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 081910Z   Last at 082230Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 33 knots from 224 degrees for tower 0021 at 145 feet on 082135Z
 
Start: 10/14Z End: 10/17Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 101410Z   Last at 101700Z
 First peak wind >= 35 knots at 101535Z   Last at 101535Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 37 knots from 267 degrees for tower 3131 at 295 feet on 101535Z
 
Start: 11/15Z End: 12/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 111510Z   Last at 112335Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 27 knots from 041 degrees for tower 0003 at 054 feet on 111850Z
 
Start: 12/18Z End: 13/03Z Flow Regime: NW      radar/wind loop
 First peak wind >= 20 knots at 121925Z   Last at 122235Z
 First peak wind >= 35 knots at 121940Z   Last at 121940Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 36 knots from 352 degrees for tower 1612 at 054 feet on 121940Z
 
Start: 14/19Z End: 14/23Z Flow Regime: SE-1    radar/wind loop
 First peak wind >= 20 knots at 141950Z   Last at 142300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 26 knots from 119 degrees for tower 0300 at 054 feet on 142010Z
 
Start: 15/12Z End: 15/18Z Flow Regime: SW-1    radar/wind loop
 First peak wind >= 20 knots at 151325Z   Last at 151800Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 24 knots from 199 degrees for tower 1101 at 204 feet on 151350Z
 
Start: 16/21Z End: 17/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 162255Z   Last at 162330Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 191 degrees for tower 0021 at 204 feet on 162300Z
 
Start: 18/19Z End: 19/02Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 182100Z   Last at 190200Z
 First peak wind >= 35 knots at 182155Z   Last at 182230Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 45 knots from 242 degrees for tower 0512 at 030 feet on 182215Z
 
Start: 21/10Z End: 21/12Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 211005Z   Last at 211130Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 129 degrees for tower 0003 at 054 feet on 211005Z
 
Start: 22/11Z End: 22/13Z Flow Regime: SE-2    radar/wind loop
 First peak wind >= 20 knots at 221150Z   Last at 221300Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 31 knots from 179 degrees for tower 0061 at 204 feet on 221210Z
 
Start: 27/20Z End: 28/04Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 272050Z   Last at 280315Z
 First peak wind >= 35 knots at 280225Z   Last at 280300Z
 First peak wind >= 50 knots at 280300Z   Last at 280300Z
 Max peak wind reported was 60 knots from 201 degrees for tower 1101 at 204 feet on 280300Z
 
Start: 28/21Z End: 29/00Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 282105Z   Last at 282240Z
 First peak wind >= 35 knots at 282125Z   Last at 282205Z
 First peak wind >= 50 knots at 282130Z   Last at 282200Z
 Max peak wind reported was 52 knots from 323 degrees for tower 0022 at 054 feet on 282130Z
 
Start: 29/16Z End: 29/23Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 291740Z   Last at 292120Z
 First peak wind >= 35 knots at 292015Z   Last at 292020Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 35 knots from 207 degrees for tower 1612 at 054 feet on 292015Z
 
Start: 30/19Z End: 30/22Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 302050Z   Last at 302105Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 142 degrees for tower 1007 at 054 feet on 302105Z