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Hydraulic Complications

Water & Maritime

Rip currents, cold water shock, ice, floods, and vehicles acting as questionable submarines.

Threat Level 5 — Leave Faster

Ice, No Longer Supporting You

“Control your breathing, kick your legs horizontally to flutter-kick onto the ice shelf, and roll away—never stand up immediately.”

CONTROL BREATHING & COMBAT COLD SHOCK: Keep head above water and suppress the initial 60-second hyperventilation panic reflex.

Reviewed Read
Threat Level 5 — Leave Faster

Person Has Inhaled More Water Than Recommended

“Call 911/112, start resuscitation with 5 initial rescue breaths, alternate 30 compressions with 2 breaths, and seek emergency evaluation for all submersions.”

RESCUE SAFELY FROM WATER: Reach with a pole or throw a flotation device; keep victim’s airway clear during extraction.

Reviewed Read
Threat Level 5 — Leave Faster

Sea, Suspiciously Missing

“If the sea vanishes exposing the sea floor, run inland and uphill immediately—do not explore the seabed.”

RECOGNIZE THE TSUNAMI WARNING & RUN: A rapidly receding shoreline, roaring ocean sound, or ground tremor means a tsunami is imminent. Move immediately without waiting for sirens.

Reviewed Read
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