New Castle County, Delaware tornado history

29 tornadoes recorded in or across New Castle County from 1954 to 2024, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in New Castle County

The Storm Prediction Center records 29 tornadoes whose paths touched New Castle County, Delaware between 1954 and 2024. They killed 1 person and injured 42. The busiest month is July, with 7 tornadoes. The strongest was an F3 on 28 April 1961. The most recent was on 8 August 2024.

  • 29tornadoes
  • 1death
  • 42injuries
  • 680per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in New Castle County?

RatingTornadoesShare
F0 / EF0828%
F1 / EF11241%
F2 / EF2828%
F3 / EF313%
F4 / EF400%
F5 / EF500%
Unknown rating00%

New Castle County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 7 in 1970s.1950s21960s51970s71980s41990s42000s12010s22020s4

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s5
1970s7
1980s4
1990s4
2000s1
2010s2
2020s4
Tornadoes by month
Bar chart of tornadoes by period. The most is 7 in Jul.Jan0Feb0Mar1Apr1May1Jun4Jul7Aug6Sep5Oct3Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr1
May1
Jun4
Jul7
Aug6
Sep5
Oct3
Nov1
Dec0

Records for New Castle County

  • Deadliest: Pennsylvania tornado5 September 1979, F2, 1 death, 4 injuries, 4.1 miles long
  • Strongest: Delaware tornado28 April 1961, F3, 0.3 miles long
  • Longest path: Delaware tornado4 August 2020, EF2, 35.8 miles long
  • Most recent: Delaware tornado8 August 2024, EF1, 1.1 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in Delaware

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