There were 4 convective periods for May 2004:
Start: 01/01Z End: 01/04Z Flow Regime: Missing radar/wind loop
Start: 03/00Z End: 03/09Z Flow Regime: SW-2    radar/wind loop
Start: 03/16Z End: 03/19Z Flow Regime: SW-2    radar/wind loop
Start: 31/20Z End: 01/01Z Flow Regime: SW-1    Continued into June   radar/wind loop
 
Start: 01/01Z End: 01/04Z Flow Regime: Missing radar/wind loop
 First peak wind >= 20 knots at 010130Z   Last at 010245Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 22 knots from 147 degrees for tower 3131 at 295 feet on 010200Z
 
Start: 03/00Z End: 03/09Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 030000Z   Last at 030705Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 34 knots from 151 degrees for tower 3132 at 295 feet on 030015Z
 
Start: 03/16Z End: 03/19Z Flow Regime: SW-2    radar/wind loop
 First peak wind >= 20 knots at 031705Z   Last at 031815Z
 No peak winds >= 35 knots were reported
 No peak winds >= 50 knots were reported
 Max peak wind reported was 30 knots from 217 degrees for tower 0714 at 054 feet on 031805Z
 
Start: 31/20Z End: 01/01Z Flow Regime: SW-1    Continued into June   radar/wind loop
 First peak wind >= 20 knots at 312005Z   Last at 312345Z
 First peak wind >= 35 knots at 312120Z   Last at 312140Z
 No peak winds >= 50 knots were reported
 Max peak wind reported was 43 knots from 148 degrees for tower 0019 at 054 feet on 312125Z