Weak tornado at Rolling Hills, AB on April 12
The NTP has confirmed that a weak tornado occurred at Rolling Hills in southern Alberta during the late afternoon of April 12. Analysis of photos/video, radar and the storm environment indicates that this was a landspout-type tornado. Given the tornado did not hit any EF-scale damage indicators, it has been assigned an EF0-Default rating which assumes a maximum wind speed of at least 90 km/h.
The preliminary event summary is provided below, along with a regional map. The tornado can also be plotted on a map using the NTP Dashboard here.
Note also that this is the first recorded tornado in Canada for 2025. There have been 10 April tornadoes recorded in Alberta in April since 1980, with the most recent being in 2024.
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Event Name: Rolling Hills, AB
Date: April 12, 2025
Start Time: 5:22 PM MDT (2322 UTC)
Final Classification: Tornado (Over Land)
Preliminary EF-Scale Rating: EF0-Default
Estimated Tornado Location: 50.26N,111.82W
Description: Witnesses captured video and photos of a tornado north of Rolling Hills. No damage has been reported. The preliminary EF-Scale assessment is EF0-Default. Satellite imagery review is pending.
Regional map showing the location of the April 12 Rolling Hills, AB, tornado. It was rated as a Default EF0.
