Red Tornado Warning Issued for Eastern Ontario
This alert is no longer in effect.
ECCC issued it on August 10, 2026, 13 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 Eastern Ontario localities including Petawawa, Pembroke and Cobden effective immediately.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Eastern Ontario
- Issued
- August 10, 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 13 days ago; use the issuing agency's live warning service for current conditions in Eastern Ontario.
Alert Details
Environment Canada has issued a red warning - tornado - in effect. The alert is classified as Extreme severity with Immediate urgency.
Affected Areas
The warning covers Eastern Ontario, specifically the localities of Petawawa, Pembroke and Cobden.
What You Should Do
Extra care and attention should be exercised in and around the affected localities.
Expected Conditions
Environment Canada meteorologists are tracking a severe thunderstorm that is possibly producing a tornado. Damaging winds, large hail and locally intense rainfall are also possible.
Timeline
The alert was issued at 3:45 p.m. Eastern Daylight Time on Monday and is effective from 2026-08-10T19:45:30-00:00 until 2026-08-10T21:14:30-00:00.
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 (741 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 10, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.