The Canadian Severe Storms Laboratory (CSSL) at Western University is the authoritative source for severe convective storms data and research in Canada.
London, Ontario, Canada
Joined September 2024
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This will be the last post on X by the Canadian Severe Storms Laboratory. We will leave the account up, however, and storm reports can continue to be sent to @NTP_Reports and @NHP_Reports. CSSL will be active on Bluesky at bsky.app/profile/cssl.ca. We hope to see you there!
Canadian Severe Storms Lab retweeted
NTP's Annual Report for 2024 is now available!
The 2024 Canadian tornado season started Mar 16 and ended Nov 10 - the longest on record since at least 1980.
Press release with link to the report: news.westernu.ca/2025/02/tor…
Canadian Severe Storms Lab retweeted
A very big update is now live on the @CanadianMesonet! This includes new meteorological variables, saving / exporting settings and more! For more details, you can check out the link below. But here are the main highlights for you to see in a 🧵:
uwo.ca/nmp/news/2025/update_…
There is one remaining online info session for those interested in CSSL intern opportunities - Jan 23 at 7 pm ET. Note the application deadline is Jan 27.
You can learn more about the CSSL internship program and how to register for the info session here: westernuniversity.zoom.us/me…
Canadian Severe Storms Lab retweeted
The sad news has reached us that Chuck Doswell has passed away. ESSL will be forever grateful to him for the collaboration, intensive engagement with us and his engaging and unique delivery of the forecasting courses. He has made an enormous impact on storm research in Europe.
Canadian Severe Storms Lab retweeted
The NTP systematic satellite imagery review for 2024 also turned up 11 new tornadoes from 2013 to 2023! The following blog post provides details for these, as well as for a damage track reported on social media and confirmed by NTP as a tornado from 1988: uwo.ca/ntp/blog/2025/new_pre…
At the end of each year, NTP staff undertake a systematic review of satellite imagery to find any forest damage that may have been missed. In 2024, it turned up 14 new tornadoes. Add in a couple of stragglers, and the 2024 count goes up to 129!
Details: uwo.ca/ntp/blog/2025/big_upd…
Canadian Severe Storms Lab retweeted
At the end of each year, NTP staff undertake a systematic review of satellite imagery to find any forest damage that may have been missed. In 2024, it turned up 14 new tornadoes. Add in a couple of stragglers, and the 2024 count goes up to 129!
Details: uwo.ca/ntp/blog/2025/big_upd…
There will be two online info sessions for those interested in CSSL intern opportunities - Jan 8 at 12:30 PM ET and Jan 23 at 7 pm ET. You can learn more about the CSSL internship program and how to register for an info session here: uwo.ca/cssl/internships
Canadian Severe Storms Lab retweeted
We are very excited to announce the release of our 2022-2023 annual report. You can download the full report from our website: uwo.ca/nhp/
Canadian Severe Storms Lab retweeted
From life-changing research discoveries to awards to athletic accomplishments, 2024 was a big year for #WesternU. Students, staff, faculty and alumni drove impact at home and abroad.
Western News looks back at a key milestone in each month of 2024. 🗓️
news.westernu.ca/2024/12/cel…
Canadian Severe Storms Lab retweeted
Toronto Centre presents: The Canadian Severe Storms Laboratory - A new era in thunderstorm hazard data and research by Dr. David Sills. Dec. 18, 2024 at 12:00pm. Zoom registration: us02web.zoom.us/meeting/regi…
Dive into real-world research and fieldwork with the CSSL Summer Internship Program!
Learn more and apply here: uwo.ca/cssl/internships/inde…
Don't miss your chance to gain hands-on experience with leading tornado and hail experts in the field.
Applications close on January 27th.
Canadian Severe Storms Lab retweeted
If you were wondering where to show your newest research results on severe storms next year: ESSL & KNMI are proud to announce the 12th ECSS, which will take place in Utrecht, Netherlands between 17 and 21 November 2025. Looking forward to seeing you there!
Canadian Severe Storms Lab retweeted
A test of the Alert Ready system will take place Wednesday in most provinces and territories over television, radio and compatible wireless devices.
Here's everything you need to know to prepare 👇
Canadian Severe Storms Lab retweeted
You can now find NTP at the other Twittery site - time for some blue sky thinking!
Canadian Severe Storms Lab retweeted
Northern Tornadoes Project executive director @dave_sills spoke to the @CanadianPress about a rare late-season tornado on B.C.’s sunshine coast. 🌪️ @westernuNTP @westernuCSSL brnw.ch/21wOvt7
Canadian Severe Storms Lab retweeted
An NTP survey team investigated the damage caused by the Harvey and Sheffield, NB tornadoes spawned by a line of storms on Nov 1. The team also documented a third tornado further to the east near Churchs Corners.
Details: uwo.ca/ntp/blog/2024/a_3rd_l…
#NBstorm
Canadian Severe Storms Lab retweeted
With another week comes another exciting announcement from the NHP🌩️ Our Open Data Site has officially launched! Here, you can explore and download data from our field operations and surveys. Access the Open Data Site from the top banner of our main page, uwo.ca/nhp
Canadian Severe Storms Lab retweeted
The NTP has confirmed a weak late-season tornado near Sechelt, BC, NW of Vancouver, with a line of storms on Nov 4. The tornado felled trees along a short path, falling on power lines and briefly blocking roads.
Details: uwo.ca/ntp/blog/2024/latesea…
#BCstorm
Canadian Severe Storms Lab retweeted
The NTP has confirmed a 2nd weak late-season tornado in New Brunswick on Nov 1. Video of the tornado was taken from Sheffield (ENE of the 1st tornado near Harvey) with minor damage reported. An NTP survey will be conducted on Tuesday.
Details: uwo.ca/ntp/blog/2024/a_2nd_l… #NBstorm
