Orange Severe Thunderstorm Warning Issued for Dunnville-Caledonia-Haldimand
This alert is no longer in effect.
ECCC issued it on May 19, 2026, 3 months 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 an orange warning for an extremely dangerous thunderstorm capable of producing destructive wind gusts in Dunnville - Caledonia - Haldimand.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Dunnville - Caledonia - Haldimand
- Issued
- May 19, 2026
- Issuing authority
- ECCC
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Dunnville - Caledonia - Haldimand.
Alert Details
Environment Canada has issued an orange warning for a severe thunderstorm. The alert was sent at 2026-05-19T23:28:45-00:00 and is effective immediately.
Affected Areas
The warning covers Dunnville - Caledonia - Haldimand.
What You Should Do
Residents should monitor conditions as meteorologists track the storm.
Expected Conditions
The thunderstorm is capable of producing destructive wind gusts and may produce damaging hail, wind or rain.
Timeline
The alert is effective from 2026-05-19T23:28:45-00:00 and expires at 2026-05-20T02:26:45-00:00.
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 (578 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 19, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.