Guides / shelter
Shelter and Home Safety
When to stay home and when to leave, fire and carbon monoxide safety, protecting your home from your region's hazards, and a go-bag for when you have to evacuate.
Reviewed 2026-09-21 · 5 sections · 28 sources
Your region's section opens first once you choose your region. Every region is listed under each section below.
01 Stay or go: sheltering at home
In most emergencies, your own home with your own supplies is the safest place to be. General guidance.
Sheltering means taking protection in your home, your workplace, or another building when conditions call for it. It can last minutes, as in a tornado warning, or much longer. In every case, stay informed and follow the instructions of local authorities.[1]
Leave when officials tell you to, or when the home itself is unsafe: fire, serious structural damage, flooding, or no way to stay warm or cool. General guidance. If you live in a mandatory evacuation zone and local officials tell you to evacuate, do so immediately.[2] See Evacuation and go-bags below.
Sheltering in place against bad outside air (a chemical release, heavy debris in the air, or contaminated air):[1]
- Bring everyone, and your pets, inside.
- Lock the doors. Close the windows, air vents, and fireplace dampers.
- Turn off fans, air conditioning, and forced-air heating.
- Take your emergency kit to an interior room with few windows.
- If told to, seal the windows, doors, and vents with thick plastic sheeting and duct tape. Cut and label the sheeting ahead of time and keep it in your kit.
- Listen to local media for official news. Authorities may not have information right away.
Mass care shelters provide food, water, and basic services, but bring your own kit. All shelters accept service animals; many do not accept pets, so plan where your pets can go. To find an open shelter, text SHELTER and your ZIP code to 43362.[1]
By region
Northeast / New England
- Winter storms: staying home is usually safest, even without power, if you can keep one room warm. See the warm-room plan in the Temperature guide. General guidance.
- Hurricanes can strike any U.S. coast. If you live in a mandatory evacuation zone and officials tell you to leave, leave right away.[2]
Local detail: Southeastern Connecticut
- Millstone Power Station: if your area is told to shelter in place, stay inside, in the middle of the building. Close all windows and doors, turn off anything that draws in outside air, close chimney flues, and be ready to stay inside for at least three days.[3]
- A siren is not a signal to evacuate. The Millstone sirens sound a steady tone for three minutes. When you hear one, tune in to local radio or TV for instructions.[3]
- Who is in the 10-mile Emergency Planning Zone: all of Waterford, New London, Groton Town and Groton City, East Lyme, Old Lyme, and Fishers Island, NY, plus parts of Montville, Ledyard, and Lyme.[3][4] Salem is not on the list.
Mid-Atlantic
- For hurricane winds, take refuge in a designated storm shelter or an interior room. If you are trapped by flooding, go to the highest level of the building, but do not climb into a closed attic: rising water can trap you there.[2]
- Ice storms and blizzards: shelter at home with your supplies rather than travel. General guidance.
Southeast & Gulf Coast
Midwest / Great Lakes
- A tornado warning means shelter now: a safe room or storm shelter if you have one, otherwise a small, interior, windowless room or basement on the lowest level of a sturdy building.[6]
- In blizzards and deep cold, stay home with your supplies. General guidance.
Great Plains
Mountain West
Desert Southwest
- In extreme heat, a home without working air conditioning may not be safe. a fan alone does not lower body temperature. If you have no air conditioning, go to a cooling center.[9]
- Know ahead of time where you would go to cool off, such as a library or shopping mall, or ask your local health department about cooling options.[9]
Local detail: Tucson, AZ
- Pima County's Heat Relief Network maps cooling centers, hydration stations, and other heat relief sites across Tucson and Pima County. The summer season runs May 15 to September 15.[8]
- If the power fails in summer, a home can become dangerous quickly. Decide in advance where you will go. General guidance.
Pacific Northwest
California
Alaska
02 Fire safety
A fire can become life-threatening in two minutes. Smoke and toxic gases kill more people than flames do.[13]
A working smoke alarm significantly increases your chances of surviving a home fire.[13] Put them inside and outside each bedroom and sleeping area, and on every level of the home, including the basement. Choose interconnected alarms, so that when one sounds, they all sound. test monthly, replace every 10 years.[12]
Fire extinguisher: keep one in the kitchen. Your local fire department can show you how to use and maintain it.[13]
Escape plan:[14]
- Find two ways out of every room, including windows. Make sure windows open and security bars have an inside emergency release.
- Pick an outside meeting place a safe distance in front of the home, such as a mailbox or a neighbor's house.
- Practice the plan twice a year, including crawling low under smoke.
- Assign someone to help babies, children, and anyone with limited mobility, plus a backup.
- Once you're out, stay out. Never go back into a burning building. Tell the fire department if someone is missing.
If you can't get out: close the door, cover vents and cracks with cloth or tape, call 911, and signal at the window with a light-colored cloth or a flashlight.[13]
Emergencies raise fire risk. Keep candles at least 12 inches from anything that can burn, or use flameless candles. Keep anything that can burn at least three feet from space heaters. Never use a stove or oven to heat your home.[13]
By region
Northeast / New England
Local detail: Southeastern Connecticut
- If you heat with oil or gas or use a fireplace, have the heating system serviced and the chimney checked every year.[15]
Mid-Atlantic
Southeast & Gulf Coast
Midwest / Great Lakes
Great Plains
Mountain West
Desert Southwest
Pacific Northwest
California
Alaska
03 Carbon monoxide
Carbon monoxide (CO) is an odorless, colorless gas that kills without warning. More than 400 Americans die each year from CO poisoning not linked to fires. Furnaces, water heaters, generators, grills, and cars all produce it.[15]
Put battery or battery-backup CO detectors near every sleeping area. Check the batteries when the clocks change each spring and fall, and replace the detector as the manufacturer says, or every 5 years.[15] Ready.gov also advises a CO detector on every level of the home.[16]
Symptoms: headache, dizziness, weakness, upset stomach, vomiting, chest pain, confusion.[15] People who are asleep or drunk can die before they notice anything.
If a CO alarm sounds, or anyone has these symptoms, get everyone outside into fresh air and call 911. General guidance.
Prevent it:[15]
- Generators: never inside a home or garage[15]. Run them more than 20 feet from windows, doors, and vents[15].
- Never heat the home with a gas oven. Never burn charcoal indoors. Never use a camp stove indoors.
- Have furnaces, water heaters, and other fuel-burning appliances serviced every year, and have the chimney checked.
- Never run a car in an attached garage, even with the door open.
By region
Northeast / New England
- Oil and gas furnaces produce CO. Have them serviced every year and the chimney checked.[15]
- After a snowstorm, clear snow away from furnace, dryer, and generator vents. General guidance.
Local detail: Southeastern Connecticut
- If you heat with oil or gas, have the system and chimney checked every year, and keep CO detectors near every bedroom.[15]
Mid-Atlantic
Southeast & Gulf Coast
Midwest / Great Lakes
Great Plains
Mountain West
Desert Southwest
Local detail: Tucson, AZ
- A generator for cooling in a summer outage must run more than 20 feet from windows, doors, and vents.[15]
Pacific Northwest
California
Alaska
04 Protecting your home from local hazards
Find out which hazards your home actually faces. FEMA's National Risk Index shows the natural hazard risk where you live.[18]
Things that help almost everywhere:
- Insurance: a standard homeowner's policy does not cover flooding or earthquake damage.[11] A flood insurance policy typically takes up to 30 days to take effect, so buy it well before you need it.[19]
- Documents: keep insurance papers and ID up to date, and keep copies in a secure, password-protected digital space.[2]
- Heavy objects: secure bookcases, refrigerators, water heaters, and televisions, and store heavy things on low shelves.[10]
- Heat: cover windows with drapes or shades, weather-strip doors and windows, and add insulation to keep heat out.[9]
- Tornado and hurricane safe rooms built to FEMA's criteria give "near-absolute protection." FEMA recommends involving a licensed design professional, and getting permits and inspections.[20]
This is general information, not engineering or insurance advice. Check local building codes and talk to a licensed professional before major work.
By region
Northeast / New England
Local detail: Southeastern Connecticut
Mid-Atlantic
Southeast & Gulf Coast
Midwest / Great Lakes
Great Plains
Mountain West
Desert Southwest
Local detail: Tucson, AZ
- Mobile homes are deadly in heat. From May 2023 to September 2024, 30% of Pima County's indoor heat deaths were in mobile homes or RVs, which make up about 10% of local housing.[21] If you live in one, have a cooling plan and a place to go. a fan alone does not lower body temperature.[9]
- Wildfire at the city's edge: the 2020 Bighorn Fire brought evacuation orders to the southern Santa Catalina Mountains.[22] Near brush, keep the first five feet around the home non-combustible, thin plants out to 30 feet, and space trees out to 100 feet.[23]
- Monsoon: flash floods can come within minutes of a storm starting, and burned areas flood more easily.[23] Keep documents in a waterproof container.[19]
Pacific Northwest
California
Alaska
05 Evacuation and go-bags
Build a go-bag so you don't have to scramble. Make sure everyone knows where it is.[18] Start with the basics from Ready.gov's kit list: water, food, a flashlight, a battery or hand-crank radio, a first aid kit, medicines, copies of important documents, and a phone charger with a backup battery.[26] Keep a kit in the car, too.[26]
Plan where you'll go:[18]
- Pick several places, such as a friend's home in another town or a motel, in different directions.
- Most public shelters allow only service animals. Find a place that takes pets.
- Keep at least a half tank of gas at all times. Gas stations may not work in a power outage.
- If you have no car, plan now with family, friends, or your local emergency management office.
When you leave:[18]
- Leave early enough to avoid being trapped by severe weather.
- If there is time: call your out-of-state contact, lock up, unplug small appliances, and leave a note saying where you went.
- Follow the official routes. Don't take shortcuts.
- Never drive into flooded roads: 6 inches can knock you down.[25]
Many states have designated evacuation zones and routes. Look them up on your state and county emergency management websites.[18] Stay in touch: see the Communications guide.
By region
Northeast / New England
Local detail: Southeastern Connecticut
- Millstone evacuation: if your area is told to leave, grab your kit (you may be away several days). While driving, close the windows and vents and turn off the air conditioner and heater. You may be told to report to a reception center in one of five host communities: New Haven, West Hartford, Mansfield/Storrs, Willimantic/Windham, or Norwich.[3]
- Potassium iodide (KI) is free for people who live or work in the 10-mile zone, at your town's designated location. During an emergency it is available only at the reception centers.[4]
- Take KI only when officials tell you to. It protects only the thyroid, and does not replace sheltering or evacuating.[4][3] The KI handed out in 2020 expires in 2029. Ask your town's emergency management director to replace expired tablets.[27]
Mid-Atlantic
Southeast & Gulf Coast
Midwest / Great Lakes
Great Plains
Mountain West
Desert Southwest
Local detail: Tucson, AZ
- Pima County uses Ready, Set, Go! for wildfire and other threats. If your area is on "SET," consider leaving now. "GO" means leave immediately.[23] Sign up for county alerts: see the Communications guide.
- In monsoon season, never drive into a flooded wash: 6 inches can knock you down.[25]
Pacific Northwest
California
Alaska
Sources for this guide
Numbers in brackets in the text link here. Items marked General guidance are widely accepted practice rather than a figure from one source.
- Shelter · Ready.gov (FEMA) · checked 2026-09-21
- Hurricanes · Ready.gov (FEMA) · checked 2026-09-21
- Millstone Power Station emergency preparedness · Dominion Energy · checked 2026-09-21
- Important Information on the Use of Potassium Iodide (KI) Tablets · Connecticut Department of Public Health and DESPP · checked 2026-09-21
- Hurricane Preparedness, Hazards · NOAA National Hurricane Center · checked 2026-09-21
- Tornadoes · Ready.gov (FEMA) · checked 2026-09-21
- Wildfires · Ready.gov (FEMA) · checked 2026-09-21
- Cooling Centers (Heat Relief Network) · Pima County Health Department · checked 2026-09-21
- Extreme Heat · Ready.gov (FEMA) · checked 2026-09-21
- Earthquakes · Ready.gov (FEMA) · checked 2026-09-21
- Tsunamis · Ready.gov (FEMA) · checked 2026-09-21
- Smoke alarms · U.S. Fire Administration (FEMA) · checked 2026-09-21
- Home Fires · Ready.gov (FEMA) · checked 2026-09-21
- Home Fire Escape Planning · National Fire Protection Association (NFPA) · checked 2026-09-21
- Carbon Monoxide Poisoning Basics · CDC · checked 2026-09-21
- Power Outages · Ready.gov (FEMA) · checked 2026-09-21
- Public Safety Power Shutoffs (PSPS) · California Public Utilities Commission · checked 2026-09-21
- Evacuation · Ready.gov (FEMA) · checked 2026-09-21
- Floods · Ready.gov (FEMA) · checked 2026-09-21
- Safe Rooms · FEMA · checked 2026-09-21
- 'Suffering hidden from view': Mobile home and RV residents in Pima County die from heat at high rates · Arizona Luminaria (analysis of Pima County Medical Examiner data) · checked 2026-09-21
- Tucson's Bighorn Fire: Evacuation order issued for lower Catalina Foothills · Arizona Daily Star (tucson.com) · checked 2026-09-21
- Ready, Set, Go! · Arizona Emergency Information Network · checked 2026-09-21
- Alaska Division of Homeland Security and Emergency Management (7-Day Emergency Kit) · State of Alaska DHS&EM · checked 2026-09-21
- Turn Around Don't Drown · National Weather Service · checked 2026-09-21
- Build a Kit · Ready.gov (FEMA) · checked 2026-09-21
- KI (potassium iodide) · Connecticut DEMHS · checked 2026-09-21
- Step 5: Drop, Cover, and Hold On · Earthquake Country Alliance · checked 2026-09-21