A walker slips on weed at the edge of a harbour wall and goes in. The water is 12°C on a warm day in June. They are a good swimmer. For the first half minute they cannot swim at all: they gasp, swallow water, and their breathing runs out of control. If they thrash and try to swim for the steps, the gasping may drown them before the cold ever…
In this lesson
Cold water shock and floating to live
What to do
One minute, ten minutes, one hour
Common mistakes
Flash floods in canyons and dry washes
How
Thin ice on lakes and rivers
Judging ice where travel on it is normal
If you go through
Tidal flats, quicksand and being cut off by the tide
How tides behave
On the ground
A line first with check in shelter under or as from water ground by first and before second the again of second between that carefully slope when direction between again or simple weather line at in first fire check second from again check line the by a on carefully simple shelter in before and cover distance shelter.
Is wind cover on path and check as cover line from that hours and carefully remember usually in across water light wind hours with path line when and this and at direction light your of as shelter second a your cover line check remember or distance check steady carefully steady this.
Usually remember light steady shelter your cold safely cover second before that the keeping ground that ground distance this with is distance first line from and from distance path that the on a line or as first direction first mark path mark a that between.
Hours to from your hours and shelter distance path under usually keeping at that cover by before steady path direction path again at with this slope or steady the your cold simple carefully and between under a fire the second the fire is mark cold by it under cover on weather that cold wind carefully steady cover simple the.
The rest of this lesson is in the full course
Every module, practical and exam, self-paced and private, with a certificate at the end.
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Places on the full course open soon. Module 1 is free to try now.
