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Thunderstorm, Lightning & Hail Safety Checklist: 14 Items

Reduce severe thunderstorm risks by monitoring warnings, moving indoors, and avoiding lightning and flood hazards.

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14 items United States EN Last Verified 2026-11-06

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Checklist

14

🛡️ Prepare Before an Emergency

Know the local risk and official alert channel
Notes: Save your city or county emergency management contact and follow current instructions.

Save your city or county emergency management contact and follow current instructions.

Tell household members what to do
Notes: Agree on a meeting point or short check-in message; keep contact information private.

Agree on a meeting point or short check-in message; keep contact information private.

Check essential supplies and backup power
Notes: Confirm safe water, medicines, and a charged radio or phone are accessible.

Confirm safe water, medicines, and a charged radio or phone are accessible.

Subscribe to NWS thunderstorm warnings
Notes: Distinguish watches from warnings before storms arrive.

Distinguish watches from warnings before storms arrive.

Identify a fully enclosed building for shelter
Notes: Open shelters and isolated trees are unsafe in lightning.

Open shelters and isolated trees are unsafe in lightning.

Secure loose outdoor objects before storms
Notes: Protect doors and windows without risking exposure.

Protect doors and windows without risking exposure.

Review flood and tornado risks within severe storms
Notes: One thunderstorm can produce several hazards.

One thunderstorm can produce several hazards.

⚠️ Respond Safely When Needed

Go indoors when thunder is heard
Notes: Stay away from open areas and water.

Stay away from open areas and water.

Avoid using plumbing and corded electrical appliances during lightning
Notes: Lightning can travel through wiring and pipes.

Lightning can travel through wiring and pipes.

Never drive into water-covered roads
Notes: Turn around and seek a safer route.

Turn around and seek a safer route.

Stay inside until at least 30 minutes after the last thunder
Notes: Follow local warnings if severe conditions continue.

Follow local warnings if severe conditions continue.

🔄 Recover, Maintain & Review

Check for fallen branches, downed wires, and hail damage
Notes: Keep away from electrical hazards.

Keep away from electrical hazards.

Photograph damage only when conditions are safe
Notes: Contact insurers if necessary.

Contact insurers if necessary.

Replenish supplies and review alerts
Notes: Repair damaged equipment before the next storm.

Repair damaged equipment before the next storm.

Complete Guide

How to Use This Checklist

Reduce severe thunderstorm risks by monitoring warnings, moving indoors, and avoiding lightning and flood hazards.

Follow current alerts and instructions from local officials. Hazards, climate, geography, access requirements, and household needs can change which actions are appropriate.

Important Safety and Scope Notes

This practical checklist is an independent, English-language adaptation of the Ready.gov preparedness topic. It does not reproduce FEMA publications and is not endorsed by FEMA or any U.S. government agency.

Use this checklist to organize preparations and recovery tasks. In an active emergency, follow the latest official instructions rather than relying on a static checklist.

Related & Useful Checklists

Sources & Official Guidance

Official reference for this topic:

Suggested Sources

  1. Ready.gov — Thunderstorms Lightning

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