Red Tornado Warning Issued for Western Lambton County
This alert is no longer in effect.
ECCC issued it on August 12, 2026, 11 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
Environment Canada has issued a red tornado warning for a severe thunderstorm over Brigden in Western Lambton County.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Western Lambton County, Ontario
- Issued
- August 12, 2026
- Issuing authority
- ECCC
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 11 days ago; use the issuing agency's live warning service for current conditions in Western Lambton County, Ontario.
Alert Details
Red warning - tornado - in effect, issued by Environment Canada (ECCC). Effective immediately from 7:06 p.m. EDT on August 12, 2026.
Affected Areas
Sarnia - Petrolia - Western Lambton County, including Brigden and nearby areas.
What You Should Do
This is a very dangerous and potentially life-threatening situation.
Expected Conditions
A severe thunderstorm capable of producing a tornado is located over Brigden and moving southeast at 25 km/h. Destructive winds, damaging hail and flooding rainfall are possible.
Timeline
The warning is effective from 2026-08-12T23:07:41Z and expires at 2026-08-13T00:05:41Z.
Original source: ECCC Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this ECCC weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (644 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 12, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.