398:
527:
494:
390:
38:
425:. On that day, a warm, moist airmass was sitting over Nebraska while an upper-level low developed in Colorado, with an attending dryline forming ahead of the advancing cold front. One person was killed in this outbreak, 38 were injured and there was $ 175 million in damage. The worst tornado was an
593:, which saw 148 tornadoes in 18 hours. There was also a greater number of large and violent tornadoes in the Super Outbreak event. Most of the tornadoes were produced by supercells, though a few were produced by the following squall line. There were also widespread wind damage reports from a large
538:
The
Memorial Day Weekend 2004 tornado outbreak was the largest continuous tornado outbreak ever recorded in the month of May. It lasted for two days from May 29–30, 2004 with the final tornadoes occurring during the early morning hours of May 31. This
777:
Several other smaller tornado outbreaks took place between May 21 to May 31, 2004, and affected many of the regions impacted by the two main outbreaks. On May 21, a series of tornadoes hit Iowa causing major damage to the town of
782:
where 75% of the buildings were either damaged or destroyed. On this day, several clusters of thunderstorms traveled from the
Midwest to the Mid-Atlantic States producing widespread damaging wind and weaker tornadoes across
453:, several tornadoes began to form in Nebraska and Iowa during the mid–afternoon hours where they continued until around 11:00 p.m CDT. The most damaging tornado in the outbreak first touched down at 7:30 p.m.
433:. The violent tornado was ranked as one of the widest tornadoes on record, with the funnel stretching 2.5 miles (4.0 km) wide as it passed through Hallam. This record was surpassed on May 31, 2013, by an
501:
The village of Hallam, struck at 8:33 p.m., was the hardest hit. Approximately 95% of the buildings in Hallam were damaged or destroyed. There were 37 people injured and one fatality in the village. The
510:. Several farms and rural homes suffered extensive damage. This storm also derailed a freight train and left it lying 20 feet away from the railroad. Other significant damage occurred from an F2 tornado in
1338:
311:
790:
On May 24, several tornadoes touched down across the Great Plains and the Mid-Mississippi Valley. Most tornadoes were weak although one person was killed in
Illinois inside a mobile home.
302:
which affected more or less the same area. However, the 2003 outbreak sequence produced several more destructive and violent tornadoes and had a much higher death toll than in May 2004.
822:
1539:
1373:
1208:
1458:
1448:
1423:
1403:
1383:
1110:
827:
298:
Seven people were killed in four states during the entire event. In all, 389 tornadoes were confirmed over an 11-day period – close to the number of tornadoes in the
847:
1428:
1175:
1328:
1258:
1388:
1333:
1368:
1544:
1413:
1393:
1438:
1418:
1408:
1398:
1318:
1263:
1443:
1378:
1278:
1273:
1453:
1313:
1283:
1298:
1201:
1353:
1243:
989:
586:
indicated 199 tornadoes, but these reports are strictly preliminary and are not quality controlled to the degree of Storm Data publications.
1103:
1003:
643:
by six miles and forced post-racing events to be held indoors. The tornado did however cause extensive damage across southern and eastern
993:
1363:
1150:
1130:
299:
1348:
1288:
1253:
1248:
1217:
1194:
1303:
1293:
1160:
1096:
1524:
1519:
1514:
1509:
1494:
1343:
1323:
1233:
1529:
1489:
929:
875:
1504:
283:. The Central Plains were hit by two significant outbreaks on May 22 and May 24, the first outbreak of which produced a
518:
counties, Nebraska. Fifteen homes were damaged and another train was overturned, resulting in $ 5.5 million in damages.
1433:
640:
1040:
1534:
1499:
1484:
1268:
802:
749:
731:
589:
The 168 tornadoes occurred in 32 hours of continuous activity, which would not at all break the record held by the
503:
470:
458:
454:
1238:
721:
703:
983:
506:
high school building was severely damaged; its auditorium was destroyed. Straight-line winds caused damage in
417:
on the evening of May 22, 2004 and the first of a series of tornado events. Most of the tornadoes occurred in
613:
583:
462:
1070:
1308:
685:
644:
511:
260:
204:
1058:
647:
south of the downtown area. While 26 people were injured, over 700 structures were damaged by the storm.
1479:
1076:
1064:
806:
515:
478:
466:
414:
295:
was affected by one of the largest tornado outbreaks ever during the
Memorial Day weekend on May 29–30.
256:
208:
200:
896:
871:
1228:
1145:
798:
621:
449:. It was an F0 and did not cause any significant damage. After another small tornado touched down in
434:
1139:
810:
609:
590:
507:
384:
284:
268:
597:
that moved through after the tornadoes. Damage totals from this outbreak are at $ 62.321 million.
582:
list a total of 168 tornadoes during the two-day period. Unofficial storm reports compiled by the
17:
564:
485:
at 9:10. The tornado had a path length of about 54 miles, and was on the ground for 100 minutes.
446:
1170:
1154:
1119:
482:
222:
933:
636:
625:
572:
430:
406:
288:
248:
110:
1082:
999:
531:
264:
1052:
1046:
957:
977:
1164:
779:
397:
1473:
526:
632:
544:
474:
426:
318:
230:
149:
1034:
1028:
1016:
794:
594:
568:
280:
271:
from May 21 to May 31, 2004. Particularly hard hit were the central Plains from
937:
851:
600:
The tornado outbreak killed at least 5 people across two states including 4 in
1186:
477:
and the damage path was 2.5 miles (4.0 km) wide. The tornado passed into
292:
1088:
617:
579:
784:
741:
713:
677:
601:
560:
556:
450:
418:
272:
42:
Radar image of the supercell that spawned the Hallam, Nebraska, tornado.
695:
605:
552:
548:
540:
410:
252:
212:
493:
389:
37:
809:. An F3 tornado tore through a residential subdivision just north of
616:
late during the evening of May 29. Another person was killed in the
916:
608:. 3 of the fatalities were caused by an F4 tornado that struck the
525:
492:
396:
388:
445:
The first tornado in this outbreak touched down at 1:15 MDT near
422:
276:
1190:
1092:
631:
In addition, an F2 tornado on May 30 affected portions of the
620:
Metropolitan area while the fifth fatality was northwest of
461:. The tornado then moved to the northeast, through southern
312:
List of tornadoes in the May 2004 tornado outbreak sequence
1017:
Storm images from May 24 tornadoes in Kansas and
Nebraska
793:
On May 26–27, several tornadoes affected portions of the
823:
List of North
American tornadoes and tornado outbreaks
628:
area where 80% of the town was damaged or destroyed.
1000:
22 May 2004 - Severe
Convection in Nebraska and Iowa
196:
186:
178:
156:
142:
132:
102:
67:
59:
1071:Crawford County, Indiana (Marengo) Tornado Damage
1029:May 29, 2004: Tornadoes across Northwest Missouri
984:Summary of the Storms of May 22nd and 24th, 2004
828:List of Canadian tornadoes and tornado outbreaks
930:"Cleanup Continues In Town Leveled By Tornado"
551:. Tornadoes on the 29th were focused from the
1202:
1104:
899:. National Climatic Data Center. May 22, 2004
897:"Event Record Details – Spring Ranch Tornado"
635:Metropolitan Area just a few hours after the
8:
1083:Tornadoes in the Paducah county warning area
405:The Hallam, Nebraska tornado outbreak was a
30:
1540:2004 natural disasters in the United States
1209:
1195:
1187:
1111:
1097:
1089:
872:"Event Record Details – La Grange Tornado"
36:
29:
1059:Jefferson County, Kentucky Tornado Damage
850:Storm Prediction Center (April 4, 2006).
639:was taking place. The tornado missed the
813:causing major damage to about 50 homes.
654:
315:
1047:Severe Weather Outbreak of May 30, 2004
839:
236:Time from first tornado to last tornado
578:The official Storm Data archives from
109:207–260 mph (333–418 km/h) (
958:Storm Prediction Center Storm Reports
245:tornado outbreak sequence of May 2004
31:Tornado outbreak sequence of May 2004
7:
1077:Clark County, Indiana Tornado Damage
1065:Floyd County, Indiana Tornado Damage
27:Series of tornados in North America
919:SPC Local Storm Reports Disclaimer
437:that reached 2.6 miles wide.
300:May 2003 tornado outbreak sequence
25:
18:May 2004 tornado outbreak sequence
1545:May 2004 events in North America
1041:F3 tornado strikes Peru, Indiana
917:http://www.spc.noaa.gov/faq/#6.1
801:producing significant damage in
435:EF3 tornado in El Reno, Oklahoma
229:Most severe tornado damage; see
1004:University of Wisconsin–Madison
936:). May 24, 2004. Archived from
770:All deaths were tornado-related
263:United States from east of the
251:that affected much of southern
143:
994:University of Nebraska–Lincoln
285:very large and violent tornado
1:
1035:May 30, 2004 Tornado Outbreak
876:National Climatic Data Center
547:and continued throughout the
563:before shifting east to the
481:, disappearing just west of
1218:Tornado events in Wisconsin
1037:(NWS Indianapolis, Indiana)
1031:(NWS Kansas City, Missouri)
990:May 22, 2004 Tornado Report
641:Indianapolis Motor Speedway
473:, it measured an F4 on the
401:Path of the Hallam tornado.
1561:
1079:(NWS Louisville, Kentucky)
1073:(NWS Louisville, Kentucky)
1067:(NWS Louisville, Kentucky)
1061:(NWS Louisville, Kentucky)
504:Norris School District 160
382:
309:
182:7 fatalities, 123 injuries
1224:
1126:
1120:Tornado outbreaks of 2004
768:
764:
717:
712:
530:Dissipating tornado near
522:Memorial Weekend outbreak
469:. By the time it entered
345:
342:
339:
336:
333:
330:
327:
324:
223:tornado outbreaks of 2004
218:
174:
170:
166:
128:
124:
120:
98:
94:
90:
55:
51:
47:
35:
986:(NWS Hastings, Nebraska)
852:"The Online Tornado FAQ"
393:Tornado damage in Hallam
317:Confirmed tornadoes by
192:$ 65 million (May 29–31)
79:– May 31, 2004
1085:(NWS Paducah, Kentucky)
978:Hallam Nebraska Tornado
797:. One tornado north of
614:DeKalb County, Missouri
584:Storm Prediction Center
379:Hallam tornado outbreak
1409:June 19 & 21, 2011
1049:(NWS Central Illinois)
1043:(NWS Northern Indiana)
543:outbreak began in the
535:
498:
415:Midwestern U.S. states
402:
394:
190:$ 175 million (May 22)
71:May 21, 2004
1525:Tornadoes in Oklahoma
1520:Tornadoes in Nebraska
1515:Tornadoes in Missouri
1510:Tornadoes in Kentucky
1495:Tornadoes in Illinois
1459:May 21 & 26, 2024
1294:May 5 & 7–8, 1965
980:(NWS Omaha, Nebraska)
529:
497:More damage in Hallam
496:
400:
392:
209:Eastern United States
1530:Tornadoes in Ontario
1490:Tornadoes in Indiana
656:Outbreak death toll
622:Louisville, Kentucky
138:389 (33 significant)
1505:Tornadoes in Kansas
811:Lexington, Kentucky
657:
591:1974 Super Outbreak
385:2004 Hallam tornado
321:
306:Confirmed tornadoes
269:Mid-Atlantic States
32:
1429:September 20, 2018
1259:September 26, 1951
655:
536:
499:
447:La Grange, Wyoming
403:
395:
316:
1535:Tornado outbreaks
1500:Tornadoes in Iowa
1485:Tornadoes of 2004
1467:
1466:
1244:November 11, 1911
1184:
1183:
1155:Hurricane Frances
1053:30 May 2004 Event
775:
774:
771:
573:Tennessee Valleys
465:and northwestern
376:
375:
249:tornado outbreaks
241:
240:
16:(Redirected from
1552:
1439:July 28–29, 2021
1419:June 16–18, 2014
1394:October 26, 2010
1304:January 24, 1967
1289:Palm Sunday 1965
1249:Palm Sunday 1920
1211:
1204:
1197:
1188:
1113:
1106:
1099:
1090:
960:
955:
949:
948:
946:
945:
934:Des Moines, Iowa
926:
920:
914:
908:
907:
905:
904:
893:
887:
886:
884:
883:
868:
862:
861:
859:
858:
844:
769:
658:
637:Indianapolis 500
471:Lancaster County
459:Jefferson County
457:in northwestern
431:Hallam, Nebraska
322:
289:Hallam, Nebraska
247:was a series of
159:tornado outbreak
145:
111:Hallam, Nebraska
86:
84:
78:
76:
63:Tornado outbreak
40:
33:
21:
1560:
1559:
1555:
1554:
1553:
1551:
1550:
1549:
1470:
1469:
1468:
1463:
1434:August 10, 2020
1414:October 5, 2013
1374:January 8, 2008
1364:August 18, 2005
1339:August 23, 1998
1220:
1215:
1185:
1180:
1161:September 15–18
1122:
1117:
1055:(NWS St. Louis)
1025:
1013:
974:
969:
964:
963:
956:
952:
943:
941:
940:on May 21, 2007
928:
927:
923:
915:
911:
902:
900:
895:
894:
890:
881:
879:
870:
869:
865:
856:
854:
846:
845:
841:
836:
819:
671:
653:
651:Other outbreaks
532:Secor, Illinois
524:
491:
443:
387:
381:
314:
308:
234:
227:
226:
191:
158:
134:
116:
82:
80:
74:
72:
43:
28:
23:
22:
15:
12:
11:
5:
1558:
1556:
1548:
1547:
1542:
1537:
1532:
1527:
1522:
1517:
1512:
1507:
1502:
1497:
1492:
1487:
1482:
1472:
1471:
1465:
1464:
1462:
1461:
1456:
1451:
1449:March 31, 2023
1446:
1441:
1436:
1431:
1426:
1421:
1416:
1411:
1406:
1401:
1396:
1391:
1386:
1381:
1376:
1371:
1369:March 31, 2007
1366:
1361:
1356:
1351:
1346:
1341:
1336:
1331:
1329:March 29, 1998
1326:
1321:
1319:August 9, 1993
1316:
1311:
1306:
1301:
1296:
1291:
1286:
1281:
1276:
1271:
1266:
1261:
1256:
1251:
1246:
1241:
1236:
1234:April 18, 1880
1231:
1225:
1222:
1221:
1216:
1214:
1213:
1206:
1199:
1191:
1182:
1181:
1179:
1178:
1176:November 22–24
1173:
1171:November 12–13
1168:
1165:Hurricane Ivan
1158:
1148:
1143:
1133:
1127:
1124:
1123:
1118:
1116:
1115:
1108:
1101:
1093:
1087:
1086:
1080:
1074:
1068:
1062:
1056:
1050:
1044:
1038:
1032:
1024:
1021:
1020:
1019:
1012:
1009:
1008:
1007:
1002:(CIMSS, SSEC,
997:
987:
981:
973:
970:
968:
967:External links
965:
962:
961:
950:
921:
909:
888:
878:. May 22, 2004
863:
838:
837:
835:
832:
831:
830:
825:
818:
815:
807:Clark Counties
773:
772:
766:
765:
763:
760:
756:
755:
752:
747:
744:
738:
737:
734:
728:
727:
724:
719:
716:
710:
709:
706:
701:
698:
692:
691:
688:
683:
680:
674:
673:
668:
665:
662:
652:
649:
534:on 30 May 2004
523:
520:
490:
487:
442:
439:
383:Main article:
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341:
338:
335:
332:
329:
326:
310:Main article:
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304:
239:
238:
219:
216:
215:
198:
197:Areas affected
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183:
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168:
167:
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163:
160:
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13:
10:
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6:
4:
3:
2:
1557:
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1528:
1526:
1523:
1521:
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1503:
1501:
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1481:
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1477:
1475:
1460:
1457:
1455:
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1450:
1447:
1445:
1444:March 5, 2022
1442:
1440:
1437:
1435:
1432:
1430:
1427:
1425:
1422:
1420:
1417:
1415:
1412:
1410:
1407:
1405:
1402:
1400:
1399:April 9, 2011
1397:
1395:
1392:
1390:
1389:June 17, 2010
1387:
1385:
1382:
1380:
1377:
1375:
1372:
1370:
1367:
1365:
1362:
1360:
1357:
1355:
1352:
1350:
1349:June 18, 2001
1347:
1345:
1342:
1340:
1337:
1335:
1332:
1330:
1327:
1325:
1324:July 18, 1996
1322:
1320:
1317:
1315:
1312:
1310:
1309:April 4, 1981
1307:
1305:
1302:
1300:
1297:
1295:
1292:
1290:
1287:
1285:
1282:
1280:
1277:
1275:
1274:April 3, 1956
1272:
1270:
1267:
1265:
1264:June 23, 1952
1262:
1260:
1257:
1255:
1254:June 19, 1951
1252:
1250:
1247:
1245:
1242:
1240:
1239:June 12, 1899
1237:
1235:
1232:
1230:
1229:June 28, 1865
1227:
1226:
1223:
1219:
1212:
1207:
1205:
1200:
1198:
1193:
1192:
1189:
1177:
1174:
1172:
1169:
1166:
1162:
1159:
1156:
1152:
1151:September 4–5
1149:
1147:
1144:
1141:
1137:
1134:
1132:
1129:
1128:
1125:
1121:
1114:
1109:
1107:
1102:
1100:
1095:
1094:
1091:
1084:
1081:
1078:
1075:
1072:
1069:
1066:
1063:
1060:
1057:
1054:
1051:
1048:
1045:
1042:
1039:
1036:
1033:
1030:
1027:
1026:
1022:
1018:
1015:
1014:
1010:
1005:
1001:
998:
995:
991:
988:
985:
982:
979:
976:
975:
971:
966:
959:
954:
951:
939:
935:
931:
925:
922:
918:
913:
910:
898:
892:
889:
877:
873:
867:
864:
853:
849:
843:
840:
833:
829:
826:
824:
821:
820:
816:
814:
812:
808:
804:
800:
796:
791:
788:
786:
781:
767:
761:
758:
757:
753:
751:
748:
745:
743:
740:
739:
735:
733:
730:
729:
725:
723:
720:
715:
711:
707:
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702:
699:
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694:
693:
689:
687:
684:
681:
679:
676:
675:
669:
666:
663:
660:
659:
650:
648:
646:
645:Marion County
642:
638:
634:
629:
627:
623:
619:
615:
611:
607:
603:
598:
596:
592:
587:
585:
581:
576:
575:on the 30th.
574:
570:
566:
562:
558:
554:
550:
546:
542:
533:
528:
521:
519:
517:
513:
509:
505:
495:
488:
486:
484:
480:
476:
472:
468:
464:
463:Saline County
460:
456:
452:
448:
440:
438:
436:
432:
428:
424:
420:
416:
412:
408:
399:
391:
386:
378:
371:
368:
365:
362:
359:
356:
353:
350:
349:
323:
320:
319:Fujita rating
313:
305:
303:
301:
296:
294:
290:
286:
282:
278:
274:
270:
266:
262:
258:
254:
250:
246:
237:
233:
232:
225:
224:
217:
214:
210:
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202:
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177:
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165:
161:
155:
151:
148:
141:
137:
131:
127:
123:
119:
112:
108:
107:
105:
103:Highest winds
101:
97:
93:
89:
70:
66:
62:
58:
54:
50:
46:
39:
34:
19:
1480:F4 tornadoes
1424:May 16, 2017
1404:May 22, 2011
1384:June 7, 2008
1379:May 25, 2008
1359:May 23, 2004
1358:
1354:May 10, 2003
1334:May 30, 1998
1314:June 7, 1984
1299:June 4, 1966
1284:June 4, 1958
1279:May 25, 1957
1269:May 10, 1953
1135:
953:
942:. Retrieved
938:the original
924:
912:
901:. Retrieved
891:
880:. Retrieved
866:
855:. Retrieved
842:
792:
789:
776:
633:Indianapolis
630:
599:
588:
577:
545:Great Plains
537:
500:
475:Fujita scale
444:
429:that struck
404:
297:
244:
242:
235:
231:Fujita scale
228:
221:
220:Part of the
1454:May 7, 2024
1344:May 5, 1999
795:Ohio Valley
595:squall line
565:Mississippi
479:Otoe County
467:Gage County
413:in several
293:Ohio Valley
281:Ohio Valley
157:Duration of
1474:Categories
944:2008-03-01
932:. KCCI 8 (
903:2007-09-12
882:2007-09-12
857:2006-05-19
834:References
803:Washington
799:Louisville
179:Fatalities
113:on May 22)
83:2004-05-31
75:2004-05-21
1136:May 21–31
1023:May 29–31
750:Lancaster
732:St. Louis
618:St. Louis
610:Weatherby
604:and 1 in
508:Princeton
411:tornadoes
135:confirmed
133:Tornadoes
1131:April 20
817:See also
785:Michigan
780:Bradgate
742:Nebraska
714:Missouri
704:Crawford
678:Illinois
612:area in
602:Missouri
561:Oklahoma
557:Missouri
451:Colorado
441:Timeline
419:Nebraska
407:outbreak
279:and the
273:Missouri
261:Southern
205:Southern
68:Duration
1146:July 13
759:Totals
722:De Kalb
696:Indiana
667:County
626:Marengo
624:in the
606:Indiana
553:Dakotas
549:Midwest
541:tornado
483:Palmyra
267:to the
265:Rockies
257:Central
253:Ontario
213:Ontario
201:Central
162:11 days
152:tornado
81: (
73: (
1140:Hallam
1011:May 24
972:May 22
672:total
670:County
664:Total
661:State
489:Damage
409:of 56
346:Total
291:. The
255:, the
207:, and
187:Damage
146:rating
686:Scott
512:Adams
848:NOAA
805:and
580:NOAA
571:and
569:Ohio
559:and
516:Clay
514:and
423:Iowa
421:and
372:389
357:115
354:241
277:Iowa
259:and
243:The
144:Max.
60:Type
555:to
455:CDT
360:23
343:F5
340:F4
337:F3
334:F2
331:F1
328:F0
325:FU
287:in
275:to
1476::
874:.
787:.
762:7
754:1
746:1
736:1
726:3
718:4
708:1
700:1
690:1
682:1
567:,
427:F4
369:0
366:2
363:8
351:0
211:,
203:,
150:F4
1210:e
1203:t
1196:v
1167:)
1163:(
1157:)
1153:(
1142:)
1138:(
1112:e
1105:t
1098:v
1006:)
996:)
992:(
947:.
906:.
885:.
860:.
85:)
77:)
20:)
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