Frost
E
Issued by Environment Canada
⏳ In force until Sun 18 Oct, 17:19 📍 Chatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; City of Toronto; Mississauga - Brampton; Burlington -… (approximate) 🕑 1 h ago
### Damage to plants, trees, and crops is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeverityModerate
⏱
UrgencyFuture
❓
CertaintyLikely
Eventfrost
Response typeMonitor
CategoryMet
Affected areaChatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; City of Toronto; Mississauga - Brampton; Burlington - Oakville; St. Catharines - Grimsby - Northern Niagara Region; Niagara Falls - Welland - Southern Niagara Region
Issuing authorityEnvironment Canada
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-18T08:29:02-00:00
Effective2026-10-18T08:29:02-00:00
Onset2026-10-18T08:30:00-00:00
Expires2026-10-18T14:19:02-00:00
📋 Official instructions
Take preventative measures to protect cold-sensitive plants, trees, and crops.📄 Message details
Alert identifierurn:oid:2.49.0.1.124.1179610712.2026
Message typeUpdate
Sendercap-pac@canada.ca
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.124.0701131269.2026 urn:oid:2.49.0.1.124.3123788784.2026 urn:oid:2.49.0.1.124.1104924404.2026 urn:oid:2.49.0.1.124.0466343813.2026 urn:oid:2.49.0.1.124.0286665566.2026 urn:oid:2.49.0.1.124.3286475362.2026 urn:oid:2.49.0.1.124.1257603065.2026 urn:oid:2.49.0.1.124.1103816161.2026 urn:oid:2.49.0.1.124.3916928179.2026 urn:oid:2.49.0.1.124.0569785686.2026 urn:oid:2.49.0.1.124.1248830393.2026 urn:oid:2.49.0.1.124.4115613515.2026
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Take preventative measures to protect cold-sensitive plants, trees, and crops.
- Stay aware of your surroundings in this area.
- Follow official updates from the police and local authorities.
- In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.
📰 Story summary
From the report shown in the feed:
- ### Damage to plants, trees, and crops is possible.
- Please continue to monitor alerts and forecasts issued by Environment Canada.
- To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.
ⓘ News summary · read the original report for full context.
📰 More news
- FrostFrostChatham-Kent - Rondeau Park; Windsor - Leamington - Essex County; City of Toronto; Mississauga - Brampton; Burlington -… ·
- FrostFrostLongueuil - Varennes area; Laval area; Montréal Island area; Châteauguay - La Prairie area; Soulanges area; Vaudreuil a… ·
- FrostFrostCôte-de-Beaupré - L'Île d'Orléans area; Bellechasse area; Lévis area; Saint-Lambert area; Lotbinière area; Sorel - Yama… ·