Need help right now?
If someone needs immediate help with severe thunderstorm, use emergency mode.
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DEVELOPMENT FIXTURE — Dangerous thunderstorm with strong wind, hail, or heavy rain.
The essentials if you need to act right now.
Go indoors. Away from windows. Wait after thunder stops.
What might I see? Observable signs — no diagnosis required.
DEVELOPMENT FIXTURE — Dark shelf cloud, frequent lightning, and hail hitting ground.
DEVELOPMENT FIXTURE — Weather alert for severe thunderstorm warning.
Optional deeper explanation — not required to act.
DEVELOPMENT FIXTURE — Severe thunderstorms produce lightning, hail, and sudden strong wind.
DEVELOPMENT FIXTURE — Flash flooding can develop within minutes in urban areas.
Check the scene before you approach.
Civilian-safe actions you can take.
DEVELOPMENT FIXTURE — Move inside sturdy building immediately.
DEVELOPMENT FIXTURE — Stay away from windows and porches.
DEVELOPMENT FIXTURE — Shelter in interior room if wind or hail intensifies.
DEVELOPMENT FIXTURE — Avoid using wired phones and plumbing during lightning.
When and how to get professional help.
DEVELOPMENT FIXTURE — Shelter indoors until storm passes. Avoid travel in peak intensity.
DEVELOPMENT FIXTURE — Call 112 if struck by lightning or building damaged.
DEVELOPMENT FIXTURE — Report flooding blocking escape routes.
DEVELOPMENT FIXTURE — Lightning strike victims need CPR and emergency care even if breathing returns.
Dangerous actions, when not to attempt rescue, and common myths.
DEVELOPMENT FIXTURE — Do NOT shelter under trees or in open pavilions.
DEVELOPMENT FIXTURE — Do NOT stand in doorways watching the storm.
DEVELOPMENT FIXTURE — Rubber-soled shoes protect you from lightning indoors
DEVELOPMENT FIXTURE — Lightning travels through wiring and plumbing. Avoid cords and pipes during storms.
DEVELOPMENT FIXTURE — Electrocution from using wired devices or bathing during lightning.
Other scenarios in the same family.
Aftershock
DEVELOPMENT FIXTURE — The ground shakes again after the main earthquake.
Avalanche warning
DEVELOPMENT FIXTURE — Avalanche danger is high on slopes where you are traveling or living.
Buried in avalanche
DEVELOPMENT FIXTURE — You or someone nearby is buried in avalanche snow.
Compound disaster
DEVELOPMENT FIXTURE — Multiple disasters overlap — e.g. earthquake and tsunami, cyclone and flood.
DEVELOPMENT FIXTURE — Large hail head injuries need medical evaluation.