Brown County hazard data

Green Bay, WI Disaster Risk

FEMA rates relative cold wave risk for Brown County as very high and reports FEMA annualized frequency of 0.713 per year for the area.

#2 of 8 covered Wisconsin cities for cold wave risk β†’FEMA relative score 98.7/100 Β· county scale

FEMA summary

Green Bay's cold wave risk is very high at county scale.

FEMA's profile for Brown County reports FEMA annualized frequency of 0.713 per year for cold wave. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.

Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.

FEMA annualized frequency

0.713 per year

View hazard details ↓
FEMA area population
268,585
Data geography
County equivalent
FEMA relative score
98.7/100
FEMA source
v1.19.0

Explore hazards

Select a hazard to inspect FEMA's figures for Brown County.

FEMA NRI profile

Cold Wave

Very High

FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.

Relative FEMA score

98.7/100

FEMA annualized frequency
0.713 per year
FEMA area loss estimate
$3M
Recorded events
10.001432732041406

How to read this

Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.

The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across Brown County. It is not an estimate for a home or address.

City risk summary

Cold wave risk in Green Bay

For Green Bay, FEMA rates cold wave risk for Brown County as very high, with a relative score of 98.7/100. The next highest relative scores are tornado at 93.9/100 and lightning at 91.0/100.

Using FEMA data for Brown County, Green Bay is #2 among 8 covered Wisconsin entries for cold wave risk. Appleton is about 26 straight-line miles from the Green Bay map point; its FEMA figures cover Outagamie County.

What to check for cold wave

  • βœ“Check the heating system, insulation, and pipe protection at the property.
  • βœ“Choose a safe backup heat source and install the required alarms.
  • βœ“Plan where the household can stay during a prolonged heat or power outage.

Household preparation

Official guidance β†—

For homeowners and movers

  • βœ“Confirm the exact hazard using official local maps before making property or insurance decisions.
  • βœ“Review policy exclusions, deductibles, and temporary-living coverage with a licensed professional.
  • βœ“Keep inspections, inventories, and critical documents in a secure location you can access after an emergency.

Preparedness actions

  • βœ“Know how local officials issue warnings and evacuation instructions.
  • βœ“Maintain water, food, lighting, medications, and communications for several days.
  • βœ“Create a household communication plan and practice it before an emergency.
Build your household checklist
Brownstone apartment buildings
Urban Survival

The Apartment Fortress

Living in Green Bay? Learn how to handle water storage, sanitation, and security in a small space.

Read the Guide β†’

Where this profile applies

The map shows Green Bay. All FEMA figures on this page cover Brown County.

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City
Green Bay, WI
FEMA data area
Brown County
County FIPS
55009

Questions about disaster risk in Green Bay

The FEMA figures cover Brown County. Address-level conditions require local maps, building records, and property details.

How much cold wave risk does Green Bay, WI have?

FEMA rates relative cold wave risk for Brown County as very high. Its FEMA annualized frequency is 0.713 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.

Where does Green Bay rank for cold wave risk in Wisconsin?

Among 8 Wisconsin cities covered by this directory, Green Bay is #2 for relative cold wave risk based on FEMA's score for Brown County. Homes within Green Bay can have different soil, elevation, construction, and hazard-zone conditions.

Which natural hazards rank highest around Green Bay?

In FEMA's data for Brown County, the highest relative ratings are Cold Wave (Very High), Tornado (Relatively High), and Lightning (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.

Are the disaster-risk numbers for Green Bay or Brown County?

The hazard numbers cover Brown County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.

Is Green Bay safe from natural disasters?

FEMA gives Brown County an overall relative risk rating of relatively low. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.

What should a household in Green Bay do first for cold wave preparedness?

Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.

Nearby city comparisons

Distances are measured between city coordinates.

CityDistanceCold Wave ratingRelative score
Appleton, WI26 miRelatively High93.8

Relevant preparedness gear

Limited to products tagged for cold wave or general preparedness.

Disclosure: As an Amazon Associate, this site may earn from qualifying purchases.

Leatherman Wave+ Multi-Tool

Tools

Leatherman Wave+ Multi-Tool

18 tools in one. Essential for turning off gas valves or making repairs.

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Anker PowerCore 10K

Power

Anker PowerCore 10K

Pocket-sized power to keep your phone alive for emergency calls.

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ARCA PET Cat & Dog First Aid Kit

Pets

ARCA PET Cat & Dog First Aid Kit

Comprehensive kit for pets. Includes muzzle, thermometer, and bandages.

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Data sources

Hazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.