Hurricane Ivan tornado outbreak

Hurricane Ivan tornado outbreak
Tracks of the 50 mesocyclones and multiple tornado vortex signatures (denoted by inverted red triangles) identified by the NWS Office in Tallahassee, Florida between 1:00 p.m. on September 15 to 9:00 a.m. on September 16.
TypeTornado outbreak
DurationSeptember 15–18, 2004
Tornadoes
confirmed		120[nb 1]
(Record for a continuous outbreak in September)
Max. rating1F3 tornado
Duration of
tornado outbreak2		2 days, 14 hours, 17 minutes[nb 2]
Fatalities7 total
Damage$96.9 million[nb 3]

1Most severe tornado damage; see Fujita scale
2Time from first tornado to last tornado

The Hurricane Ivan tornado outbreak was a three-day tornado outbreak that was associated with the passage of Hurricane Ivan across the Southern United States starting on September 15, 2004, across the Gulf Coast states of Alabama and Florida as well as southern Georgia before ending in the Middle Atlantic Coast on September 18.

The outbreak killed 7 people and injured dozens of others across several states from Florida to Pennsylvania. The hurricane itself killed at least 90 people from the US to the eastern Caribbean Islands. Overall, it produced 120 tornadoes, surpassing the record of 117 that was previously held by Hurricane Beulah during the 1967 Atlantic hurricane season.[4] Ivan also produced 16 more tornadoes than Hurricane Frances, whose associated tornado outbreak struck many of the same regions about ten days earlier. The tornado outbreak was also the largest in Virginia history.[5]

  1. ^ a b Cite error: The named reference NCDC was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference NWSTallahassee was invoked but never defined (see the help page).
  3. ^ Thomas P. Grazulis; Bill McCaul (2011). "List of Known Tropical Cyclones Which Have Spawned Tornadoes". Tornado History Project. Retrieved November 6, 2011.
  4. ^ Grazulis, Thomas P.; Grazulis, Doris (27 February 2018). "Top 25 Tornado-Generating Hurricanes". The Tornado Project. St. Johnsbury, Vermont: Environmental Films. Retrieved 8 November 2021.
  5. ^ "Hurricane Ivan, Virginia's largest tornado outbreak – September 17, 2004". The Washington Post. 2013-09-17. Archived from the original on 2021-02-02.


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