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Waterspout
DEVELOPMENT FIXTURE — Waterspout spotted over water near boats or shore.
This content is in Draft and has not been professionally reviewed. It is provided for preview while expert review is in progress.
DEVELOPMENT FIXTURE — Waterspout spotted over water near boats or shore.
The essentials if you need to act right now.
Boats turn away. Reach shore. Leave beach if it comes ashore.
What might I see? Observable signs — no diagnosis required.
DEVELOPMENT FIXTURE — Funnel cloud descending from cumulus to water surface.
DEVELOPMENT FIXTURE — Spray ring visible at base on lake or sea.
Optional deeper explanation — not required to act.
DEVELOPMENT FIXTURE — Waterspouts are tornadoes over water — they can move ashore as dangerous tornadoes.
DEVELOPMENT FIXTURE — Boats near spouts capsize from violent wind and waves.
Check the scene before you approach.
Civilian-safe actions you can take.
DEVELOPMENT FIXTURE — Alter course perpendicular to apparent spout movement.
DEVELOPMENT FIXTURE — Beachgoers move inland away from approaching funnel.
DEVELOPMENT FIXTURE — Monitor weather radio for tornado warning if spout reaches land.
DEVELOPMENT FIXTURE — Shelter in sturdy building if tornado warning issued.
When and how to get professional help.
DEVELOPMENT FIXTURE — Avoid spout path on water. Move inland if tornado warning issued for landfall.
DEVELOPMENT FIXTURE — Call coast guard if vessel disabled near spout.
DEVELOPMENT FIXTURE — Report landfall location to 112 if tornado damages shore.
DEVELOPMENT FIXTURE — Landfall waterspouts need same shelter as tornado — interior low room.
Dangerous actions, when not to attempt rescue, and common myths.
DEVELOPMENT FIXTURE — Do NOT sail toward spout for closer look.
DEVELOPMENT FIXTURE — Do NOT assume spout will stay over water.
DEVELOPMENT FIXTURE — Waterspouts are harmless because they are over water
DEVELOPMENT FIXTURE — They destroy boats and can move ashore as tornadoes.
DEVELOPMENT FIXTURE — Capsize and drowning near recreational boats.
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 — Capsized boat crews need flotation and hypothermia prevention.