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region around 11:00 p.m. A gust of 65 mph (102 km/h) was reported at the automatic station of
Angliers. There was also a tremendous amount of lightning associated with this derecho, with around 6,000 lightning strikes per hour. Another person in this derecho was killed at
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weekend. Straight line winds in excess of 90 mph (145 km/h) uprooted and snapped off trees in over 370,000 acres (1,500 km²) of the 1 million acre (4,000 km²) wilderness area. In total, more than 477,000 acres (1,930 km²) of forest was affected in the
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The
Boundary Waters – Canadian Derecho is one of the farthest north "progressive" derechos to have ever been recorded. The derecho caused well over $ 100 million in damage, killed 4 persons and injured 70. Over 700,000 homes and businesses lost power from the event.
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The storm caused $ 85 million in damage (1999 dollars) in the Fargo metropolitan area. Over 40,000 people were without power. Cars were overturned, roofs were severely damaged, and power poles were blown down.
290:(M on the map) around 3:00 a.m. heading southeastward toward Maine. Much damage was recorded in the Metropolitan area but the worst affected area of Quebec was farther along its path near Sherbrooke (S on the map) in the
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recorded winds in excess of 58 mph (95 km/h) for 40 minutes and a maximum wind gust of 91 mph (146 km/h). Many planes were damaged or overturned. The hangars suffered damage as well.
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where a church was badly damaged, farm buildings were damaged and 2,000 trees were felled. Hydro-Québec reported that over 600,000 people lost power; some were without power for over a week.
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The worst damage occurred farther south in West Fargo, North Dakota and in south central Fargo, North Dakota. Wind gusts in these areas were estimated at as high as 110 mph (180 km/h).
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that occurred during the afternoon and evening hours of July 4 and the early morning hours of July 5, 1999. It traveled 1,300 miles (2,092 km) and lasted 22 hours.
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in a swath 30 miles (48.3 km) long and 4 to 12 miles (6.4 to 19.3 km) wide. It is estimated that 25 million trees were blown down in the BWCAW.
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in northeastern
Ontario was put out of service by fallen trees. Significant tree and property damage was recorded in
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The storm carved a path of destruction into the sparsely populated forested areas of northern
Ontario. The
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279:(V on the map) when a tree fell on the victim. A woman was injured when a tree crushed her car.
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As it raced eastward at 62 mph (100 km/h), the system entered into western
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Radar and satellite image of the
Derecho passing from Ontario (ON) to Quebec (QC)
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One person was killed and 60 were injured as the derecho passed through the
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198:. People were there to enjoy canoeing and other recreation for the
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The derecho brought more damage when it crossed the border into
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Track of the
Boundary Waters-Canadian Derecho (courtesy of NOAA)
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during the early afternoon hours of July 4. At its peak near
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375:"Boundary Waters Windstorm: The Blowdown of July 4th, 1999"
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The storm continued southeast and caused more damage in
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467:1999 natural disasters in the United States
123:In the pre-dawn hours of July 4, a band of
61:90 mph (145 km/h; 40.2 m/s)
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231:. They were rescued by a nearby boater.
377:. Duluth, MN, Weather Forecast Office,
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352:"The Boundary Waters-Canadian Derecho"
401:"Boundary Waters: The Fire Next Time"
192:Boundary Waters Canoe Area Wilderness
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373:Parke, Peter S.; Larson, Norvan J.
286:area, the storm moved quickly into
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507:July 1999 events in North America
482:Natural disasters in North Dakota
100:Boundary Waters–Canadian Derecho
20:Boundary Waters–Canadian derecho
403:. Minnesota DNR. Archived from
487:Natural disasters in Minnesota
1:
472:Derechos in the United States
354:. NWS Storm Prediction Center
167:and caused massive damage in
50:1,300 mi (2,090 km)
492:Natural disasters in Ontario
159:Damage to trees in the BWCAW
133:Hector International Airport
497:Natural disasters in Quebec
314:after 5:00 a.m. on July 5.
282:After narrowly missing the
127:developed over far eastern
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426:"Lowdown on the Blowdown"
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512:1999 disasters in Canada
430:Superior National Forest
379:National Weather Service
205:Superior National Forest
196:Superior National Forest
104:Boundary Waters Blowdown
163:The derecho moved into
106:) was an international
333:List of derecho events
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56:Peak wind gust
434:U.S. Forest Service
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477:Derechos in Canada
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502:1999 in Minnesota
292:Eastern Townships
102:(also called the
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77:>$ 100,000,000
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462:1999 meteorology
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439:28 September
437:. Retrieved
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409:. Retrieved
405:the original
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384:28 September
382:. Retrieved
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358:28 September
356:. Retrieved
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194:(BWCAW) and
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129:North Dakota
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119:North Dakota
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74:Damage costs
47:Track length
298:New England
240:White River
221:Thunder Bay
89:, southern
456:Categories
411:2007-03-26
339:References
114:Storm path
66:Fatalities
58:(measured)
318:Aftermath
225:tornadoes
165:Minnesota
151:Minnesota
85:Northern
327:See also
288:Montreal
244:Chapleau
42:22 hours
39:Duration
308:Vermont
270:in the
248:Timmins
217:Ontario
211:Ontario
108:derecho
284:Ottawa
268:Quebec
254:Quebec
185:Canyon
175:, and
173:Itasca
91:Canada
312:Maine
183:near
137:Fargo
441:2009
386:2009
360:2009
306:and
242:and
169:Cass
98:The
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69:4
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