Threats  /  Extreme Cold

Extreme Cold

The cold itself as the hazard — a killing deep freeze that bursts pipes and pushes the grid to failure, snow or no snow.

ScopeLocalCauseNaturalDriven byLocationImpactMajorLikelihoodPossible
Extreme Cold
Why it matters

What Extreme Cold would mean for you

Three numbers decide how important Extreme Cold is to your preparedness planning. Impact and Likelihood are general baselines. Vulnerability depends on how prepared you are for this threat.

ImpactMajor7/9
NegligibleCatastrophic

A prolonged deep freeze kills - hypothermia for the unprepared, and a house that loses heat drops below freezing within a day, bursting pipes and turning a cold snap into a flooding-and-no-water event on the thaw; with backup heat and stored water it's a hard week, without them it's a survival situation, which puts the Impact high.

LikelihoodPossible6/9
RareFrequent

Dangerous cold snaps - polar-vortex outbreaks, extended sub-freezing stretches, deadly wind chills - reach much of the country most winters, though the far South sees them rarely, which lands the Likelihood on the higher side.

VulnerabilityNot rated
NegligibleCatastrophic

This number is yours. It measures how hard Extreme Cold would actually hit your household given what you already have in place. Rate it in Threat Planning — then all three multiply into your personal threat rating.

Rate it in Threat Planning →

General baselines — How we rate threats →

Be ready

Preparing for Extreme Cold

Concrete moves that lower your Vulnerability. Add any of them and we'll track it as an action on your threat list.

Add to my threat list
Keep a non-electric heat source and the fuel to run it safely, with working CO detectors.
Know how to shut off and drain your water, and keep water stored off the pipes.
Set up a single warm room you can hold above freezing if the grid drops.
Stage warm layers, bedding, and a cold-weather vehicle kit before the season.
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Articles on Extreme Cold

See it on the map

Extreme Cold where you live.

Days per year of dangerous cold, and where the deep freezes reach.

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A national view — this is one of 410+ layers in Area Recon. Open it to zoom to your address, then add the hazards, infrastructure, terrain and resources around you, and read the real numbers for your county.

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Act on it

Tools for Extreme Cold

Make Extreme Cold part of your plan

Add it to your personal threat list, score it for your own household, or pull the real hazard data for your county.