This content is in Draft and has not been professionally reviewed. It is provided for preview while expert review is in progress.
Urgent
Tidal bore
DEVELOPMENT FIXTURE — Sudden tidal bore wave surges up river mouth where you are.
Loading...
This content is in Draft and has not been professionally reviewed. It is provided for preview while expert review is in progress.
DEVELOPMENT FIXTURE — Sudden tidal bore wave surges up river mouth where you are.
The essentials if you need to act right now.
Leave river mouth before bore. Climb bank if surprised.
What might I see? Observable signs — no diagnosis required.
DEVELOPMENT FIXTURE — Roaring upstream on otherwise calm river at predicted bore time.
DEVELOPMENT FIXTURE — Official signage at bore viewing locations.
Optional deeper explanation — not required to act.
DEVELOPMENT FIXTURE — Tidal bores are sudden upstream walls of water in funnel-shaped estuaries.
DEVELOPMENT FIXTURE — They knock down people and vehicles on exposed mudflats.
Check the scene before you approach.
Civilian-safe actions you can take.
DEVELOPMENT FIXTURE — Move off mudflats and sandbars immediately when roar heard.
DEVELOPMENT FIXTURE — Climb steep bank or ladder if available.
DEVELOPMENT FIXTURE — Hold fixed object above bore line if seconds to spare.
DEVELOPMENT FIXTURE — After passage wait — second surge may follow.
When and how to get professional help.
DEVELOPMENT FIXTURE — Avoid bore path unless experienced with local timing. Evacuate banks on warning.
DEVELOPMENT FIXTURE — Call 112 if person swept upstream or unconscious.
DEVELOPMENT FIXTURE — Report location along bore reach for rescue boat.
DEVELOPMENT FIXTURE — Local bore schedules are predictable — ignorance causes tourist deaths.
Dangerous actions, when not to attempt rescue, and common myths.
DEVELOPMENT FIXTURE — Do NOT stand on exposed mud for photos near bore time.
DEVELOPMENT FIXTURE — Do NOT drive on river bed scheduled for bore.
DEVELOPMENT FIXTURE — Bores are gentle surfing waves safe to wade through
DEVELOPMENT FIXTURE — Bores carry turbulent reverse flow and debris. Leave the channel.
DEVELOPMENT FIXTURE — Swept upstream into deep or muddy water.
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 — Hypothermia and mud inhalation complicate rescues.