 | This article or section appears to contradict the article Tornadoes of 2010 on number of tornadoes in the event (this article claims 69, but that article claims 87). (July 2021) |
 Satellite image of the storm complex at peak intensity, on October 27, 2010. | |
| Type | Extratropical cyclone, Blizzard, Derecho, Tornado outbreak, Windstorm |
|---|---|
| Formed | October 23, 2010 |
| Dissipated | November 5, 2010 |
| Lowest pressure | 955.2 mb (28.21 inHg) |
| Tornadoes confirmed | 69 confirmed (Record for a continuous outbreak in October) |
| Max. rating1 | EF2 tornado |
| Maximum snowfall or ice accretion | 9 inches (22.9 cm) St. Louis County, Minnesota |
| Fatalities | 1 (snow) |
| Damage | US$18.5 million (tornado)[1] |
| Areas affected | Eastern two-thirds of North America and adjacent waters Ireland United Kingdom Western Europe |
Part of the 2010–11 North American winter storms and tornado outbreaks of 2010 1Most severe tornado damage; see Enhanced Fujita scale | |
The October 2010 North American storm complex is the name given to a historic extratropical cyclone that impacted North America. The massive storm complex caused a wide range of weather events including a major serial derecho stretching from the Gulf Coast to the Great Lakes, a widespread tornado outbreak across the Southeast United States and Midwest and a blizzard across portions of the Canadian Prairies and the Dakotas.[2][3] The cyclone's lowest minimum pressure of 955.2 mb (28.21 inHg) made it the second most intense non-tropical system recorded in the continental United States (CONUS).[4] The lowest confirmed pressure for a non-tropical system in the continental United States was set by a January 1913 Atlantic coast storm.[4]
- ^ "NCDC Storm Database". National Climatic Data Center (NCDC). Archived from the original on 6 May 2010. Retrieved 22 April 2011.
- ^ Gerhardt, Mary Beth (October 26, 2010). "Storm Summary Number 4 for Midwest High Wind Event". Hydrometeorological Prediction Center (HPC). Retrieved 27 October 2010.
- ^ "Oct 26, 2010 1630 UTC Day 1 Convective Outlook". Storm Prediction Center (SPC). October 26, 2010. Retrieved 27 October 2010.
- ^ a b "Pressure Records: The October 26–27, 2010 Significant Extratropical Cyclone". National Weather Service.