Storm History: Allegheny County, Pennsylvania

Events

2,594

Deaths

14

Injuries

361

Damage

$455 million

Episodes

946

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Allegheny County

• Flash Flood, August 19, 20114 deaths · 1 injured · $620,000 · 1.5 in hail · 6 events here
• Tornado, August 3, 19632 deaths · 70 injured · $25 million · F3 · 3 events here
• Winter Storm, January 2, 19992 deaths · 1 injured · 1 event here
• Flood, September 17, 20041 death · 92 injured · $26 million · 1 event here
• Hail, May 31, 20021 death · 54 injured · $10 million · 1 in hail · 6 events here
• Flash Flood, July 1, 19971 death · $10 million · 1 event here
• Thunderstorm Wind, April 29, 20251 death · 2 injured · $365,000 · 69 kt wind · 88 events here
• Flash Flood, June 19, 19961 death · 1 event here
• Excessive Heat, June 16, 20221 death · 1 event here

• Tornado, June 3, 198020 injured · $250 million · F4 · 1 event here
• Hail, June 30, 199810 injured · $41 million · 1.75 in hail · 7 events here
• Flood, September 17, 20041 death · 92 injured · $26 million · 1 event here
• Tornado, August 3, 19632 deaths · 70 injured · $25 million · F3 · 3 events here
• Tornado, August 9, 2007$16 million · EF0 · 16 events here
• Tornado, June 2, 199850 injured · $13 million · F1 · 1 event here
• Flash Flood, June 20, 20181 injured · $10 million · 11 events here
• Hail, May 31, 20021 death · 54 injured · $10 million · 1 in hail · 6 events here
• Flash Flood, July 1, 19971 death · $10 million · 1 event here
• Flash Flood, August 6, 2000$10 million · 1 event here
• Hail, October 6, 2024$9.5 million · 1 in hail · 6 events here
• Flash Flood, June 19, 1996$3.0 million · 1 event here
• Tornado, May 22, 1983$2.5 million · F2 · 2 events here
• Flash Flood, January 31, 2001$2.0 million · 1 event here
• Flood, January 19, 1996$1.9 million · 1 event here
• Flash Flood, July 2, 2018$1.4 million · 1 in hail · 3 events here
• Flash Flood, April 11, 2024$1.1 million · 15 events here
• Flash Flood, July 28, 1999$1.1 million · 1 in hail · 3 events here
• Tornado, June 26, 2024$1.1 million · EF2 · 15 events here
• Flash Flood, February 18, 2000$1.0 million · 1 event here

• Hail, July 8, 19804 in hail · 1 event here
• Flash Flood, March 28, 2020$95,000 · 2.5 in hail · 10 events here
• Hail, August 3, 2015$5,000 · 2.5 in hail · 15 events here
• Hail, April 14, 19842.5 in hail · 6 events here
• Hail, April 14, 20242 in hail · 1 event here
• Hail, April 20, 20172 in hail · 2 events here
• Hail, July 4, 20122 in hail · 20 events here
• Hail, April 9, 20012 in hail · 1 event here
• Flash Flood, April 21, 1999$3,000 · 2 in hail · 4 events here
• Hail, July 8, 19852 in hail · 4 events here
• Hail, July 10, 19782 in hail · 1 event here
• Hail, April 21, 19762 in hail · 1 event here
• Hail, August 3, 19672 in hail · 1 event here
• Hail, May 28, 19662 in hail · 1 event here
• Hail, July 23, 19622 in hail · 1 event here

• Tornado, May 31, 1985F5 · 1 event here
• Tornado, June 3, 198020 injured · $250 million · F4 · 1 event here
• Tornado, August 3, 19632 deaths · 70 injured · $25 million · F3 · 3 events here
• Tornado, March 22, 1955F3 · 2 events here
• Tornado, June 10, 1954$250 · F2 · 1 event here
• Tornado, May 13, 19565 injured · $250,000 · F2 · 1 event here
• Tornado, June 15, 1964F2 · 1 event here
• Tornado, April 14, 1974F2 · 6 events here
• Tornado, May 12, 1980F2 · 1 event here
• Tornado, July 20, 1981F2 · 1 event here
• Tornado, May 22, 1983$2.5 million · F2 · 2 events here
• Tornado, September 30, 1986F2 · 1 event here
• Tornado, June 8, 1990F2 · 1 event here
• Tornado, June 30, 1990F2 · 4 events here
• Tornado, May 6, 1991F2 · 2 events here

Every tornado in Allegheny County, with its track

• Flash Flood, June 28, 2026$11,000 · 3 events here
• Tornado, June 14, 2026$10,000 · EF2 · 5 events here
• Thunderstorm Wind, June 11, 2026$6,000 · 63 kt wind · 5 events here
• Flash Flood, May 24, 2026$5,000 · 1 event here
• Flash Flood, March 31, 2026$12,000 · 50 kt wind · 5 events here
• Flash Flood, March 26, 20261 in hail · 1 event here
• Winter Storm, March 16, 20261 event here
• High Wind, March 13, 202665 kt wind · 2 events here
• Hail, March 7, 2026$9,000 · 1 in hail · 4 events here
• Winter Weather, February 6, 20262 events here
• Winter Storm, January 24, 20261 event here
• Winter Weather, January 19, 20264 events here
• Winter Weather, January 1, 20264 events here
• Winter Storm, January 1, 20261 event here
• Winter Storm, December 31, 20251 event here
• Winter Storm, December 13, 20251 event here
• High Wind, October 19, 20251 injured · $3,000 · 1 event here
• Flash Flood, July 16, 2025$2,000 · 1.25 in hail · 7 events here
• Flash Flood, July 14, 20251 event here
• Flash Flood, July 1, 20254 events here
• Thunderstorm Wind, June 27, 2025$500 · 50 kt wind · 1 event here
• Thunderstorm Wind, June 26, 2025$2,000 · 50 kt wind · 2 events here
• Flash Flood, June 25, 2025$104,000 · 9 events here
• Thunderstorm Wind, June 18, 2025$3,000 · 50 kt wind · 1 event here
• Flash Flood, June 17, 2025$20,000 · 4 events here
• Flash Flood, June 15, 2025$7,000 · 3 events here
• Flash Flood, June 14, 2025$5,000 · 1 event here
• Flash Flood, June 6, 2025$172,000 · 10 events here
• Thunderstorm Wind, June 5, 2025$1,000 · 50 kt wind · 1 event here
• Tornado, May 21, 2025EF1 · 1 event here
• Thunderstorm Wind, April 29, 20251 death · 2 injured · $365,000 · 69 kt wind · 88 events here
• Hail, April 2, 2025$1,000 · 1.75 in hail · 34 events here
• Tornado, March 16, 2025$29,000 · EF1 · 18 events here
• Cold/Wind Chill, January 20, 20251 event here
• Winter Storm, January 19, 20251 event here
• Winter Storm, January 3, 20252 events here
• Lake-Effect Snow, December 21, 20246 events here
• Tornado, November 20, 2024$189,000 · EF0 · 22 events here
• Hail, October 6, 2024$9.5 million · 1 in hail · 6 events here
• Flash Flood, August 31, 202450 kt wind · 2 events here
• Thunderstorm Wind, August 30, 2024$3,000 · 50 kt wind · 1 event here
• Hail, August 29, 2024$9,000 · 1 in hail · 4 events here
• Hail, August 17, 2024$9,000 · 50 kt wind · 4 events here
• Tornado, August 6, 2024$2,000 · 1.75 in hail · 7 events here
• Tornado, June 26, 2024$1.1 million · EF2 · 15 events here
• Thunderstorm Wind, June 23, 202450 kt wind · 1 event here
• Hail, June 18, 20241.75 in hail · 2 events here
• Thunderstorm Wind, June 17, 202450 kt wind · 15 events here
• Thunderstorm Wind, May 26, 2024$21,000 · 60 kt wind · 3 events here
• Tornado, May 25, 2024$77,000 · EF0 · 21 events here
• Flash Flood, May 18, 20248 events here
• Tornado, May 17, 2024$135,000 · EF1 · 4 events here
• Flash Flood, May 15, 20241 event here
• Tornado, May 11, 2024EF2 · 1 event here
• Tornado, May 8, 2024$77,000 · EF1 · 3 events here
• Flash Flood, May 5, 20241 event here
• Hail, April 17, 2024$92,000 · 1.25 in hail · 17 events here
• Hail, April 14, 20242 in hail · 1 event here
• Flash Flood, April 11, 2024$1.1 million · 15 events here
• Flash Flood, April 2, 2024$24,000 · 11 events here
• Strong Wind, March 20, 20241 event here
• Winter Weather, March 10, 20241 event here
• Winter Storm, February 16, 20241 event here
• High Wind, February 15, 2024$1,000 · 50 kt wind · 1 event here
• Winter Storm, January 18, 20241 event here
• Winter Weather, January 15, 20242 events here
• Winter Weather, January 14, 20241 event here
• High Wind, January 12, 20241 injured · $25,000 · 56 kt wind · 1 event here
• High Wind, January 9, 202459 kt wind · 1 event here
• Winter Storm, January 6, 20241 event here
• Winter Storm, December 18, 20231 event here
• Flash Flood, September 7, 20232 events here
• Tornado, August 24, 2023$215,000 · EF2 · 33 events here
• Tornado, August 12, 2023$6,000 · EF1 · 5 events here
• Flash Flood, July 20, 2023$17,000 · 50 kt wind · 7 events here
• Hail, July 13, 2023$75,000 · 1.25 in hail · 14 events here
• Thunderstorm Wind, July 6, 2023$15,000 · 50 kt wind · 2 events here
• Flash Flood, July 2, 20231 event here
• Flash Flood, July 1, 20233 events here
• Thunderstorm Wind, June 26, 2023$10,000 · 52 kt wind · 1 event here
• Hail, June 3, 20231 in hail · 1 event here
• Thunderstorm Wind, April 5, 2023$1,000 · 1 event here
• Hail, April 1, 2023$85,000 · 66 kt wind · 12 events here
• Thunderstorm Wind, March 25, 20231 injured · 53 kt wind · 1 event here
• Winter Weather, March 13, 20231 event here
• High Wind, March 3, 202352 kt wind · 1 event here
• Winter Weather, February 22, 20231 event here
• Strong Wind, February 21, 20231 event here
• Strong Wind, February 15, 20231 event here
• Strong Wind, February 9, 2023$1,000 · 1 event here
• Winter Weather, January 25, 20231 event here
• Winter Weather, January 22, 20231 event here
• High Wind, December 23, 202253 kt wind · 3 events here
• Winter Weather, November 18, 20221 event here
• Winter Weather, November 15, 20221 event here
• Flood, November 11, 20221 event here
• Flash Flood, August 29, 202252 kt wind · 1 event here
• Flash Flood, August 5, 2022$100,000 · 3 events here
• Flash Flood, July 28, 20221 event here
• Flash Flood, July 24, 2022$2,000 · 50 kt wind · 3 events here
• Hail, July 23, 2022$47,000 · 1.25 in hail · 16 events here
• Hail, June 22, 202265 kt wind · 20 events here
• Excessive Heat, June 16, 20221 death · 1 event here
• Hail, May 21, 2022$1,000 · 51 kt wind · 1 event here
• Flood, May 6, 20223 events here
• Thunderstorm Wind, May 3, 20221 injured · $115,000 · 52 kt wind · 5 events here
• Tornado, March 31, 2022EF2 · 1 event here
• Winter Storm, March 11, 20221 event here
• Winter Weather, March 9, 20221 event here
• Thunderstorm Wind, March 7, 202254 kt wind · 8 events here
• Ice Storm, February 24, 20221 event here
• Strong Wind, February 17, 20221 event here
• Winter Storm, February 3, 20221 event here
• Winter Weather, January 24, 20221 event here
• Winter Weather, January 23, 20221 event here
• Winter Storm, January 16, 20221 event here
• Winter Weather, January 9, 20221 event here
• Winter Weather, January 6, 20222 events here
• Strong Wind, December 11, 20211 event here
• Tornado, October 21, 2021$650,000 · EF2 · 2 events here
• Flash Flood, September 1, 2021$151,000 · 23 events here
• Thunderstorm Wind, August 29, 202160 kt wind · 1 event here
• Flash Flood, August 25, 2021$1,000 · 1 event here
• Flash Flood, August 13, 2021$15,000 · 60 kt wind · 11 events here
• Flash Flood, August 12, 2021$10,000 · 55 kt wind · 13 events here
• Hail, July 13, 2021$70,000 · 1 in hail · 6 events here
• Flash Flood, July 7, 2021$136,000 · 1 in hail · 21 events here
• Flash Flood, June 30, 2021$50,000 · 1 in hail · 6 events here
• Tornado, June 21, 2021EF0 · 16 events here
• Hail, June 14, 20211 in hail · 21 events here
• Flash Flood, June 13, 2021$117,000 · 1.5 in hail · 29 events here
• Flash Flood, June 8, 20211 injured · 50 kt wind · 2 events here
• Hail, May 26, 2021$25,000 · 1 in hail · 3 events here
• Flash Flood, May 24, 2021$1,000 · 2 events here
• High Wind, March 26, 2021$250,000 · 50 kt wind · 1 event here
• Winter Storm, February 15, 20211 event here
• Winter Weather, February 13, 20211 event here
• Winter Weather, February 10, 20211 event here
• Winter Storm, February 8, 20211 event here
• Winter Weather, February 1, 20211 event here
• Winter Weather, January 31, 20211 event here
• Winter Weather, January 25, 20211 event here
• Winter Weather, January 16, 20212 events here
• Winter Weather, January 1, 20211 event here
• Winter Storm, December 24, 20201 event here
• Winter Storm, December 16, 20201 event here
• Winter Storm, December 1, 20201 event here
• Thunderstorm Wind, November 15, 2020$25,000 · 50 kt wind · 3 events here
• Flash Flood, August 28, 202050 kt wind · 8 events here
• Thunderstorm Wind, August 27, 2020$102,000 · 52 kt wind · 14 events here
• Flash Flood, August 22, 2020$16,000 · 50 kt wind · 7 events here
• Thunderstorm Wind, July 16, 2020$50,000 · 50 kt wind · 3 events here
• Flash Flood, July 10, 2020$35,000 · 50 kt wind · 6 events here
• Thunderstorm Wind, July 9, 202050 kt wind · 2 events here
• Thunderstorm Wind, June 21, 2020$10,000 · 50 kt wind · 1 event here
• Tornado, June 10, 2020$40,000 · EF1 · 5 events here
• Thunderstorm Wind, June 4, 2020$23,000 · 50 kt wind · 12 events here
• Tornado, April 7, 2020$297,000 · EF1 · 25 events here
• High Wind, March 29, 202050 kt wind · 1 event here
• Flash Flood, March 28, 2020$95,000 · 2.5 in hail · 10 events here
• Flood, March 20, 2020$50,000 · 50 kt wind · 1 event here
• Winter Weather, February 7, 20201 event here
• Winter Weather, January 18, 20201 event here
• Winter Weather, December 17, 20191 event here
• Hail, December 1, 20190.88 in hail · 2 events here
• Winter Weather, November 12, 20191 event here
• Flood, October 31, 2019$1,000 · 6 events here
• Hail, September 28, 20191.5 in hail · 5 events here
• Flash Flood, September 1, 2019$55,000 · 51 kt wind · 7 events here
• Hail, August 17, 2019$26,000 · 1 in hail · 4 events here
• Hail, August 15, 2019$13,000 · 1 in hail · 5 events here
• Thunderstorm Wind, August 8, 2019$3,000 · 50 kt wind · 5 events here
• Flash Flood, August 2, 20191 in hail · 2 events here
• Flash Flood, July 30, 2019$5,000 · 2 events here
• Flash Flood, July 22, 2019$45,000 · 7 events here
• Flash Flood, July 21, 2019$76,000 · 50 kt wind · 9 events here
• Flash Flood, July 11, 2019$170,000 · 50 kt wind · 4 events here
• Flash Flood, July 7, 2019$18,000 · 7 events here
• Flash Flood, July 6, 2019$30,000 · 50 kt wind · 11 events here
• Flash Flood, July 4, 2019$10,000 · 2 events here
• Hail, July 2, 2019$10,000 · 55 kt wind · 1 event here
• Flash Flood, June 28, 2019$12,000 · 1 in hail · 8 events here
• Flash Flood, June 27, 2019$2,000 · 1 in hail · 5 events here
• Thunderstorm Wind, June 24, 201952 kt wind · 3 events here
• Flash Flood, June 16, 20193 events here
• Flash Flood, May 29, 2019$37,000 · 50 kt wind · 11 events here
• Tornado, May 28, 2019$6,000 · EF0 · 7 events here
• Tornado, May 25, 2019EF1 · 1 event here
• High Wind, February 24, 201955 kt wind · 2 events here
• Winter Storm, February 20, 20191 event here
• Extreme Cold/Wind Chill, January 30, 20191 event here
• Winter Storm, November 14, 20181 event here
• Flash Flood, October 4, 2018$29,000 · 5 events here
• Tornado, October 2, 2018EF2 · 1 event here
• Thunderstorm Wind, September 21, 201852 kt wind · 4 events here
• Flood, September 7, 2018$18,000 · 12 events here
• Flash Flood, August 13, 20181 injured · 1 in hail · 5 events here
• Flash Flood, August 10, 20188 events here
• Flash Flood, August 5, 2018$3,000 · 1 in hail · 3 events here
• Hail, July 15, 20181 in hail · 5 events here
• Flash Flood, July 5, 2018$505,000 · 50 kt wind · 4 events here
• Flash Flood, July 4, 2018$17,000 · 55 kt wind · 8 events here
• Flash Flood, July 2, 2018$1.4 million · 1 in hail · 3 events here
• Flash Flood, June 20, 20181 injured · $10 million · 11 events here
• Flash Flood, June 10, 201850 kt wind · 10 events here
• Flash Flood, June 8, 20183 events here
• Hail, June 5, 2018$500 · 1 in hail · 1 event here
• Hail, May 22, 2018$750 · 50 kt wind · 2 events here
• Flash Flood, May 16, 20181 event here
• Hail, May 12, 2018$500 · 1.75 in hail · 1 event here
• Hail, May 10, 201850 kt wind · 1 event here
• Flood, April 3, 2018$6,000 · 50 kt wind · 4 events here
• Winter Weather, April 1, 20181 event here
• Winter Storm, March 20, 20181 event here
• Tornado, February 15, 2018EF1 · 3 events here
• Winter Storm, February 7, 20181 event here
• Winter Storm, January 12, 20187 events here
• Tornado, November 19, 2017$35,000 · EF1 · 2 events here
• Tornado, August 22, 2017$26,000 · EF1 · 8 events here
• Hail, August 19, 2017$5,000 · 1 in hail · 1 event here
• Hail, August 4, 2017$11,000 · 1 in hail · 4 events here
• Flash Flood, July 28, 2017$31,000 · 17 events here
• Tornado, July 11, 2017$2,000 · EF0 · 1 event here
• Tornado, July 10, 2017$1,000 · EF0 · 1 event here
• Flash Flood, July 5, 20172 events here
• Tornado, June 23, 2017EF1 · 2 events here
• Flash Flood, June 16, 2017$15,000 · 5 events here
• Flash Flood, June 15, 2017$17,000 · 55 kt wind · 12 events here
• Flash Flood, June 14, 20172 events here
• Flash Flood, June 13, 2017$40,000 · 1.5 in hail · 10 events here
• Thunderstorm Wind, May 31, 2017$5,000 · 50 kt wind · 6 events here
• Hail, May 18, 2017$1,000 · 1 in hail · 1 event here
• Tornado, May 1, 2017$2,000 · EF2 · 6 events here
• Hail, April 27, 2017$1,000 · 1 in hail · 3 events here
• Hail, April 20, 20172 in hail · 2 events here
• Thunderstorm Wind, April 16, 2017$3,000 · 52 kt wind · 1 event here
• High Wind, February 12, 2017$50,000 · 54 kt wind · 1 event here
• Flood, December 18, 2016$25,000 · 1 event here
• Ice Storm, December 17, 20161 event here
• Cold/Wind Chill, December 15, 20161 event here
• Winter Weather, December 13, 20161 event here
• Flash Flood, August 28, 2016$265,000 · 1 in hail · 4 events here
• Thunderstorm Wind, August 16, 2016$15,000 · 50 kt wind · 2 events here
• Flood, July 30, 2016$10,000 · 1 event here
• Thunderstorm Wind, July 25, 2016$24,000 · 54 kt wind · 5 events here
• Thunderstorm Wind, July 24, 2016$30,000 · 50 kt wind · 5 events here
• Thunderstorm Wind, July 14, 2016$10,000 · 50 kt wind · 2 events here
• Tornado, June 16, 20161 injured · $110,000 · EF0 · 13 events here
• Thunderstorm Wind, June 11, 2016$5,000 · 50 kt wind · 1 event here
• Flash Flood, May 29, 2016$20,000 · 3 events here

Earlier years, state by state:

• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1984
• 1983
• 1982
• 1981
• 1980
• 1979
• 1978
• 1977
• 1976
• 1975
• 1974
• 1973
• 1972
• 1971
• 1970
• 1969
• 1968
• 1967
• 1966
• 1965
• 1964
• 1963
• 1962
• 1961
• 1960
• 1959
• 1958
• 1957
• 1956
• 1955
• 1954

Tornadoes in Allegheny CountyEvery warning in Allegheny County since 1986Every county in Pennsylvania

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.