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A watch means severe weather could happen, while a warning means the hazard is imminent or already occurring and immediate action is needed.
Watch
Conditions are favorable. A threat is possible.
PrepareWarning
Hazard is imminent or occurring.
Act NowTornadoes can develop rapidly and produce violent winds, flying debris, and life-threatening structural damage.
- Go to lowest floor immediately
- Interior room, away from windows
- Protect your head and neck
- Never shelter under a bridge
Severe thunderstorms can bring destructive wind, large hail, torrential rain, and frequent lightning in a short period of time.
- Get indoors before storms arrive
- Unplug electronics
- Avoid flooded roads
- Stay away from windows
Lightning can strike miles from the storm core and remains dangerous before, during, and after the heaviest rain.
- Use the 30/30 rule — seek shelter if thunder follows lightning in 30 seconds
- Stay inside until 30 minutes after the last thunder
- Avoid trees, water, and high ground
- Stay off corded phones and away from plumbing
Flash floods can rise within minutes, covering roads and sweeping people or vehicles into dangerous moving water.
- Never drive through flooded roads
- Just 6 inches of water can knock you down
- Move to higher ground immediately
- Avoid drainage channels and streams
Large hail can shatter glass, damage vehicles and roofs, and seriously injure anyone caught outside.
- Get indoors or into a vehicle
- Park away from trees
- Quarter-sized hail or larger can cause serious injury
- Protect your head if caught outside
Severe straight-line winds can topple trees, down power lines, and damage structures across broad areas.
- Secure outdoor furniture before storms
- Stay away from trees and power lines
- Move to an interior room
- Winds over 58 mph can cause widespread damage
Winter weather can make travel dangerous, strain power systems, and increase the risk of frostbite or hypothermia.
- Avoid travel during ice storms
- Dress in layers, keep extremities covered
- Watch for black ice on roads and bridges
- Keep an emergency kit in your vehicle