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37:
340:
broadcasts and interviews with the media stressed "vicious thunderstorms" and "extremely strong and violent thunderstorms". Severe thunderstorms developed rapidly over the foothills early in the day and quickly moved eastward. The first severe weather watches were issued over central
Alberta late in
335:
over
Alberta triggered a series of strong thunderstorms that persisted throughout the week. On July 31, a cold front developed over western Alberta, colliding with the warm moist air that persisted over the region. Forecasters recognized the elevated risk for severe weather early in the day.
299:
332.27 million (equivalent to $ 762 million in 2023) in property damage at four major disaster sites. The loss of life, injuries and destruction of property made it the worst natural disaster in
Alberta's recent history and the second deadliest in Canada's history, after the
345:, and Strathcona County. The watch was later upgraded to a warning at 2:45 pm as the line of storms approached the area. As the cluster of storms approached the Leduc area, a violent cell rapidly developed ahead of the main line of storms and sharply turned northward.
294:
and remained on the ground for an hour, cutting a swath of destruction 30.8 km (19.1 mi) in length and up to 1.3 km (0.81 mi) wide in some places. It killed 27 people, and injured more than 300, destroyed more than 300 homes, and caused more than
348:
The storm passed east of Leduc, where the first tornado was reported by a weather spotter at 2:59 pm. The tornado was on the ground briefly before dissipating. Shortly after 3:00 pm, the tornado again touched down in the
1120:
696:
for victims. At the end of August 1987 details of the overall damage costs were gathered and the
Government of Alberta announced an extensive disaster recovery program with the assistance of the
379:
The tornado weakened slightly as it passed over an open area between
Baseline Road and the North Saskatchewan River. Still, it maintained F2 to F3 intensity as it tore through eastern parts of
2019:
2259:
692:
inspectors and the provincial environmental response team to the area. The emergent post-disaster response period lasted for approximately three weeks including immediate
2269:
1220:
2009:
376:
and Byers
Transport. Grass scouring and windrowing of debris occurred, and damage in that area may have been borderline F5, but was never officially ranked as such.
773:
372:
area at F4 intensity. The tornado tossed several large oil tanks, levelled several industrial buildings, and several trailers were picked up and scattered at
1295:
1116:
1922:
1852:
411:, south of Edmonton. It travelled through countryside east of Edmonton. Twenty-two minutes after the first tornado touchdown an F1 tornado touched down in
957:
835:"Consumer Price Index by product group, monthly, percentage change, not seasonally adjusted, Canada, provinces, Whitehorse, Yellowknife and Iqaluit"
341:
the morning and continued early in the afternoon. At 1:40 pm, a severe weather watch was issued for the
Edmonton area, including Leduc County,
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1530:
667:
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2002:
990:
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1974:
685:
1150:
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1042:
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1995:
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1739:
1117:"Powerful Tornadoes Outside the United States – Violent Tornadoes in France, Russia, South Africa, Poland, Canada and Japan |"
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1016:
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2:59 pm: Tornado sighting reported to weather office by a citizen near Leduc, 33 km (21 mi) south of downtown
Edmonton
315:
that afternoon. Environment Canada responded swiftly upon receipt of the first report of a tornado touchdown from a resident of
1557:
307:
Weather forecasts issued during the morning and early afternoon of July 31, 1987, for
Edmonton revealed a recognition by
2348:
1857:
1711:
1622:
1572:
1520:
399:. There, the tornado completely destroyed nearly 200 mobile homes in the area, killed 15 people and injured numerous others.
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At 3:04 pm, a tornado warning was issued for the city. The tornado moved into the southeast portion of the city as a
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1089:
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in an area that was mostly farmland. It travelled 7.26 km (4.51 mi). There were also three F0 tornadoes in the
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2135:
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629:
607:
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on the afternoon of Friday, July 31, 1987. It was one of seven other tornadoes in central
Alberta the same day.
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breaks into private and public broadcasts on radio, television and cable systems. It alerts the public for all
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750:
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521:
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1749:
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1190:
778:
396:
1079:
677:. EPC established a liaison office at the response centre at approximately 1800 hours that same day.
514:
574:, a manufactured home community, killing 15 people and injuring numerous others, and then dissipates
2338:
1964:
1632:
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994:
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Not including the F4 tornado, five other tornadoes were reported. An F2 tornado touched down near
1842:
1837:
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radar was one of only three Dopplers to exist in Canada at the time. It later became part of the
708:
600:
560:
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that threaten to strike with little or no warning. The warning system is also used for issuing
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71:
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898:
365:
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1939:
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697:
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8:
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1502:
671:
571:
388:
380:
1827:
1734:
1706:
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528:
412:
384:
337:
308:
759:, was inspired by singer Nils Edenloff's experience as a child surviving the tornado.
730:
2140:
1927:
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and remained on the ground for 52 km (32 mi), causing $ 40,000 in damages.
408:
350:
284:
236:
662:
Base Edmonton, and provided reconnaissance flights for the City of Edmonton and the
517:
issued for the City of Edmonton, Leduc County, Parkland County and Strathcona County
419:(to the north, northwest, and southwest) but too far away to be seen from the city.
327:
In the week preceding July 31, a low pressure system sitting over southwestern
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392:
328:
1987:
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1954:
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fed warm, humid air into central Alberta. Daytime heating along with near-record
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117:
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As emergency personnel responded to the industrial area, potential threats from
2125:
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1607:
712:
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Farther from the Edmonton area, an F2 tornado touched down in farmland between
301:
1347:
1325:
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2317:
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1535:
785:
508:
The following is a chronology of events that occurred on July 31, 1987.
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area, tossing granaries and farm equipment as it grew in size and strength.
1969:
1949:
567:
556:
545:
435:
316:
291:
249:
143:
27:
958:"Canadian National Tornado Database: Verified Events (1980-2009) - Public"
809:
723:
563:, a heavy industrial area, killing 12 people and injuring numerous others
1090:"A Commemorative Reflection on the Edmonton Tornado and Hailstorm, 1987"
395:
neighbourhoods. The tornado persisted as it headed northeast toward the
364:, causing F2 to F3 damage. The tornado continued northward crossing the
614: in this section. Unsourced material may be challenged and removed.
549:
427:
113:
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332:
813:(December 6, 2016). Afterwards, Canadian inflation numbers based on
589:
1446:
1415:
716:
276:
232:
36:
1699:
1684:
1257:. 2nd European Conference on Radar in Meteorology and Hydrology.
729:
The tornado had also resulted in the first implementation of the
373:
280:
272:
1877:
1288:"Exclusive premiere: The Rural Alberta Advantage "Tornado '87""
860:"Hourly Data Report for July 31, 1987 - Station pressure (kPa)"
820:"Consumer Price Index, annual average, not seasonally adjusted"
719:
651:
319:
which is immediately adjacent to Edmonton's southern boundary.
711:, was developed as a result of the 1987 tornado disaster. The
383:
toward 4:00 pm, causing heavy damage to several homes in
1258:
1147:
A Commemorative Reflection On The Edmonton Tornado And Hail
1223:. CTV.ca. Canadian Press. December 2, 2002. Archived from
888:
1173:"The Edmonton Tornado – Environment Canada (archive.org)"
1043:"The Edmonton Tornado – Environment Canada (archive.org)"
161:
75:
774:
List of North American tornadoes and tornado outbreaks
1248:"Evolution of the Canadian Operational Radar Network"
2017:
1053:
882:
1143:"Chapter 3 -J Other tornadoes in greater Edmonton"
993:. Environment Canada. May 24, 2005. Archived from
360:, and tracked north along the eastern portions of
897:. Edmonton: Government of Alberta. Archived from
733:concept in Canada in the early 1990s. Edmonton's
531:emergency tone activated for Edmonton transmitter
2315:
817:tables 18-10-0005-01 (formerly CANSIM 326-0021)
658:placed helicopters and ambulances on standby at
271:to Edmontonians, was a powerful and devastating
1165:
1221:"Alberta launches 'Amber Alert' kidnap system"
1135:
1009:
2003:
1431:
1382:
1368:
991:"Fact Sheet – Summer Severe Weather Warnings"
1348:CTV News' YouTube video of Edmonton Tornado
1239:
798:
2010:
1996:
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1424:
1375:
1361:
1245:
741:, which was Dopplerized starting in 1998.
35:
952:
950:
948:
946:
944:
630:Learn how and when to remove this message
579:
311:of a high potential for unusually severe
275:that ripped through the eastern parts of
1833:Northern Alberta Institute of Technology
1035:
985:
983:
499:
1298:from the original on September 29, 2014
1201:from the original on September 25, 2012
852:
769:List of tornadoes and tornado outbreaks
495:
402:
255:Time from first tornado to last tornado
2316:
1558:North Saskatchewan River flood of 1915
1123:from the original on September 3, 2013
941:
870:from the original on December 14, 2018
810:A Price Index for Canada, 1688 to 1850
1991:
1521:2001 World Championships in Athletics
1419:
1356:
980:
1445:
1153:from the original on October 1, 2016
964:. Environment Canada. Archived from
642:While municipal emergency agencies,
612:adding citations to reliable sources
583:
224:($ 762 million in 2023 dollars)
1280:
1114:
916:
889:ITV (Global News Edmonton) (1987).
283:, Canada and parts of neighbouring
13:
1268:from the original on July 21, 2011
1246:Joe, Paul; Lapczak, Steve (2002).
14:
2375:
1823:List of Universities and colleges
1322:"University of Alberta Libraries"
1314:
1261:, Netherlands. pp. 370–382.
2145:Salaberry-de-Valleyfield, Quebec
588:
290:The tornado peaked at F4 on the
267:of 1987, an event also known as
248:Most severe tornado damage; see
2260:Canadian tornadoes (since 2001)
1213:
1183:
1108:
705:Emergency Public Warning System
599:needs additional citations for
137:
16:1987 tornado in Alberta, Canada
1675:Alberta's Industrial Heartland
1343:Photos of the Edmonton tornado
739:Canadian weather radar network
656:Department of National Defence
1:
924:"Reported Hail-Size Category"
791:
686:Compliance Information Centre
670:established contact with the
668:Emergency Preparedness Canada
552:, a suburban residential area
2349:Natural disasters in Alberta
666:. At the onset of the storm
192:300 millimetres (12 in)
101:418 km/h (260 mph)
22:The Edmonton tornado of 1987
7:
1338:Tornadoes in Canada, CBC.ca
762:
751:The Rural Alberta Advantage
744:
368:and eventually hitting the
10:
2380:
2359:July 1987 events in Canada
1950:Canadian Forces Base (CFB)
779:List of Canadian tornadoes
749:The song "Tornado '87" by
654:were responding, Canada's
397:Evergreen Mobile Home Park
322:
2249:
2136:Windsor–Tecumseh, Ontario
2026:
1911:
1868:
1798:
1760:
1720:
1665:
1598:
1501:
1453:
1390:
1384:Tornado outbreaks of 1987
1197:. Government of Alberta.
895:Alberta Municipal Affairs
684:came to light. Alberta's
675:Emergency Response Centre
555:3:30 pm: Peak intensity:
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41:Photograph by Steve Simon
34:
26:
2364:1987 disasters in Canada
2329:F4 tornadoes by location
2270:Environment Canada (PDF)
1633:North Saskatchewan River
866:. Government of Canada.
832:and table 18-10-0004-13
566:4:25 pm: Tornado causes
544:3:25 pm: Tornado causes
434:Confirmed tornadoes by
1516:1983 Summer Universiade
1511:1978 Commonwealth Games
1195:Alberta Emergency Alert
709:Alberta Emergency Alert
541:issued over Weatheradio
358:multiple-vortex tornado
156:2:55 p.m. to 8:00 p.m.
70:2:55 p.m. to 8:00 p.m.
1061:"The Edmonton Tornado"
753:, on their 2011 album
580:Post-disaster response
522:Severe weather warning
505:
184:Tennis ball and larger
2167:Grand Valley, Ontario
1933:International airport
1848:University of Alberta
1650:William Hawrelak Park
1613:Edmonton Metro Region
1333:CBC Broadcast Archive
1294:. November 11, 2011.
1179:on November 15, 2002.
1115:Max (July 16, 2012).
1049:on November 15, 2002.
928:University of Alberta
731:Doppler weather radar
672:Government of Alberta
664:deputy prime minister
503:
366:Sherwood Park Freeway
2324:F4 tornadoes by date
2126:Regina, Saskatchewan
1940:Anthony Henday Drive
1483:Notable Edmontonians
1119:. Extremeplanet.me.
997:on February 28, 2009
707:, later replaced by
698:Government of Canada
608:improve this article
524:issued for same area
515:Severe weather watch
496:Chronology of events
403:Other area tornadoes
2354:Tornadoes in Canada
2334:History of Edmonton
2296: /
2163:Sainte-Rose, Quebec
1913:Transportation and
1531:City Centre Airport
1328:on January 1, 2013.
1096:on December 5, 1998
1067:on January 15, 2013
1023:on January 15, 2013
904:on January 15, 2013
822:. Statistics Canada
807:: Geloso, Vincent,
694:disaster assistance
504:Path of the tornado
438:
23:
2141:Pine Lake, Alberta
2020:Canadian tornadoes
1828:MacEwan University
1707:West Edmonton Mall
1623:Metropolitan areas
1548:Heritage buildings
864:Environment Canada
529:Weatheradio Canada
506:
433:
413:Southeast Edmonton
309:Environment Canada
21:
2344:Tornadoes of 1987
2279:
2278:
2244:
2243:
2131:Edmonton, Alberta
1985:
1984:
1813:List of libraries
1712:Tallest buildings
1413:
1412:
1191:"Program History"
1017:"Winds of Terror"
891:"Winds of Terror"
839:Statistics Canada
815:Statistics Canada
640:
639:
632:
548:in the southeast
493:
492:
285:Strathcona County
261:
260:
237:Strathcona County
2371:
2311:
2310:
2308:
2307:
2306:
2301:
2300:53.56°N 113.36°W
2297:
2294:
2293:
2292:
2289:
2159:Sudbury, Ontario
2149:Windsor, Ontario
2029:
2028:
2012:
2005:
1998:
1989:
1988:
1808:Catholic schools
1695:PCL Construction
1590:Mindbender crash
1563:Princess Theatre
1472:Edmonton Journal
1447:City of Edmonton
1440:
1433:
1426:
1417:
1416:
1377:
1370:
1363:
1354:
1353:
1329:
1324:. Archived from
1308:
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1237:
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1234:
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1217:
1211:
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1187:
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1180:
1175:. Archived from
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1160:
1158:
1139:
1133:
1132:
1130:
1128:
1112:
1106:
1105:
1103:
1101:
1092:. Archived from
1086:
1077:
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1074:
1072:
1063:. Archived from
1057:
1051:
1050:
1045:. Archived from
1039:
1033:
1032:
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1028:
1019:. Archived from
1013:
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831:
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827:
802:
644:fire departments
635:
628:
624:
621:
615:
592:
584:
439:
432:
329:British Columbia
265:Edmonton tornado
233:City of Edmonton
222:$ 332.27 million
189:Maximum rainfall
153:tornado outbreak
139:
39:
24:
20:
2379:
2378:
2374:
2373:
2372:
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2368:
2339:1987 in Alberta
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2283:
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2275:
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2236:
2234:
2226:
2207:
2198:August 20, 1970
2189:August 16, 1888
2171:
2154:Barrie, Ontario
2119:
2022:
2016:
1986:
1981:
1965:Transit service
1960:Railway station
1914:
1907:
1864:
1818:List of schools
1794:
1762:Public services
1756:
1716:
1690:EPCOR Utilities
1661:
1638:Ribbon of Green
1594:
1553:Hotel Macdonald
1497:
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1386:
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1320:
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1271:
1269:
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1230:
1228:
1227:on May 24, 2003
1219:
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968:on July 4, 2016
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823:
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747:
690:dangerous goods
688:dispatched its
682:dangerous goods
660:Canadian Forces
636:
625:
619:
616:
605:
593:
582:
577:
539:Tornado warning
498:
405:
343:Parkland County
325:
257:
253:
241:Central Alberta
223:
213:
152:
109:Lowest pressure
104:
42:
17:
12:
11:
5:
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2305:53.56; -113.36
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1915:infrastructure
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1853:academic staff
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1838:Public library
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1750:List of mayors
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1657:Whitemud Creek
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1608:Aspen parkland
1604:
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1573:List of mayors
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417:Edmonton Area
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95:Highest winds
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62:July 31, 1987
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2201:June 8, 1953
2195:May 31, 1985
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1730:City Council
1584:
1470:
1466:Demographics
1461:Coat of arms
1404:
1326:the original
1300:. Retrieved
1282:
1270:. Retrieved
1254:
1241:
1229:. Retrieved
1225:the original
1215:
1205:November 11,
1203:. Retrieved
1194:
1185:
1177:the original
1167:
1155:. Retrieved
1146:
1137:
1125:. Retrieved
1110:
1098:. Retrieved
1094:the original
1069:. Retrieved
1065:the original
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1047:the original
1037:
1025:. Retrieved
1021:the original
1011:
999:. Retrieved
995:the original
970:. Retrieved
966:the original
961:
931:. Retrieved
927:
918:
906:. Retrieved
899:the original
894:
884:
872:. Retrieved
863:
854:
842:. Retrieved
838:
824:. Retrieved
808:
805:1688 to 1923
804:
800:
754:
748:
728:
724:Amber Alerts
702:
679:
641:
626:
617:
606:Please help
601:verification
598:
561:Refinery Row
507:
421:
406:
378:
370:Refinery Row
355:
347:
326:
317:Leduc County
306:
292:Fujita scale
289:
269:Black Friday
268:
264:
262:
254:
250:Fujita scale
247:
214:~300 injured
181:Largest hail
160:(20:55-02:00
116:(27.15
74:(20:55-02:00
18:
2303: /
1526:Annexations
1255:Proceedings
962:Open Canada
338:Weatheradio
151:Duration of
112:919.3
2318:Categories
1975:Bus routes
1970:Light rail
1568:Strathcona
972:August 21,
874:August 28,
792:References
550:Mill Woods
428:Vegreville
362:Mill Woods
209:Fatalities
2255:See also:
1928:Authority
1800:Education
1780:Hospitals
1740:Elections
1735:City Hall
1680:Companies
1600:Geography
826:April 17,
756:Departing
648:ambulance
620:July 2012
572:Evergreen
557:F4 damage
537:3:04 pm:
527:2:52 pm:
520:2:45 pm:
513:1:40 pm:
389:Bannerman
381:Clareview
333:dewpoints
2291:113°22′W
2035:Location
1923:Airports
1903:Theatres
1722:Politics
1618:Downtown
1580:Timeline
1488:Religion
1454:Features
1296:Archived
1272:March 1,
1263:Archived
1231:July 30,
1199:Archived
1157:June 23,
1151:Archived
1127:July 31,
1121:Archived
1001:July 30,
868:Archived
763:See also
745:In media
717:disaster
409:Beaumont
385:Kernohan
351:Beaumont
277:Edmonton
67:Duration
2288:53°34′N
2267:Source:
1945:Bridges
1888:Museums
1870:Culture
1770:Federal
1700:Stantec
1685:BioWare
1667:Economy
1585:Tornado
1503:History
1405:July 31
1400:July 21
1100:May 16,
1071:May 16,
1027:May 16,
933:May 10,
908:May 10,
902:(Video)
720:hazards
374:Laidlaw
323:Summary
281:Alberta
273:tornado
146:tornado
30:tornado
2041:Deaths
1955:Pedway
1878:K-Days
1858:alumni
1785:Police
1395:May 22
844:May 8,
735:Carvel
652:police
463:Total
424:Millet
393:Fraser
219:Damage
140:rating
59:Formed
1898:Sport
1893:Music
1883:Media
1745:Mayor
1645:Parks
1266:(PDF)
1259:Delft
1251:(PDF)
2038:Date
2032:Rank
1775:Fire
1541:Park
1478:Flag
1304:2014
1274:2016
1233:2012
1207:2012
1159:2016
1129:2017
1102:2012
1073:2012
1029:2012
1003:2007
974:2016
935:2016
910:2016
876:2016
846:2024
828:2021
703:The
650:and
426:and
391:and
263:The
138:Max.
118:inHg
2213:≥28
1292:IFC
610:by
570:in
559:in
460:F5
457:F4
454:F3
451:F2
448:F1
445:F0
442:FU
297:C$
162:UTC
158:MDT
76:UTC
72:MDT
2320::
2222:12
2219:17
2216:27
2114:=8
2107:=8
2100:=8
2086:=5
2079:=5
1290:.
1253:.
1193:.
1149:.
1145:.
1081:^
982:^
960:.
943:^
926:.
893:.
862:.
837:.
726:.
700:.
646:,
489:6
486:0
483:1
480:0
477:2
474:1
471:4
468:0
387:,
304:.
279:,
239:,
235:,
144:F4
114:mb
28:F4
2237:6
2235:6
2233:6
2230:8
2227:9
2225:9
2093:7
2072:4
2065:3
2058:2
2051:1
2011:e
2004:t
1997:v
1439:e
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1005:.
976:.
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912:.
878:.
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830:.
633:)
627:(
622:)
618:(
604:.
164:)
120:)
78:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
