Flood Evacuation Checklist: When to Leave and What to Take

Understanding Flood Warning Levels

The National Weather Service issues three distinct levels of flood-related alerts, and knowing the difference between them is critical for making timely evacuation decisions. A flood advisory means that flooding is possible or occurring but poses minimal immediate danger to life or property. It typically involves minor street flooding or rising creeks that may inconvenience commuters but are not expected to threaten homes. A flood watch means that atmospheric conditions are favorable for flooding within the next several hours. When a watch is issued, you should stay tuned to weather updates, review your evacuation plan, and begin preparing to move to higher ground if conditions deteriorate.

A flood warning is the most urgent alert and means that flooding is imminent or already happening. If you are in a flood-prone area and a warning is issued, take immediate action to protect yourself and your family. Do not wait to see if conditions improve. Flash flood warnings are particularly dangerous because they indicate that life-threatening flooding can develop within minutes due to heavy rainfall, dam failures, or levee breaches. Sign up for Wireless Emergency Alerts on your phone and keep a battery-powered NOAA weather radio in your home so you receive warnings even if power and cell service are disrupted. Understanding these warning levels is the foundation of any effective flood preparedness strategy.

Deciding When to Evacuate versus Shelter in Place

The decision to evacuate or shelter in place is the most important call you will make during a flood event. Evacuate immediately when authorities issue a mandatory evacuation order, when water is rising rapidly in your neighborhood, when your home is in a known flood zone and a flood warning has been issued, or when you simply feel unsafe regardless of official directives. Your instinct to protect your family is never wrong. Never wait until floodwater is visibly approaching your front door, because water levels can rise several feet in a matter of minutes during flash flooding, and roads behind you may already be impassable.

Sheltering in place is a viable option only if your home is on elevated ground, is structurally sound, and authorities have not directed an evacuation. If you choose to shelter in place, move essential supplies and important items to the highest floor. Fill bathtubs and large containers with water for flushing toilets and cleaning. Avoid basements entirely during flood events. Keep your phone charged and monitor weather alerts continuously. If conditions change and water begins entering your home or the situation feels unsafe, do not hesitate to leave even if no official order has been given. You can always return, but you cannot undo the consequences of staying too long in a dangerous flood situation.

Turn Around, Drown: Vehicle Flood Safety

More than half of all flood-related drownings occur in vehicles, making driving through floodwater one of the deadliest mistakes people make during floods. The National Weather Service slogan Turn Around, Drown is based on well-documented physics. Just six inches of fast-moving water can knock an adult off their feet. Two feet of rushing water is enough to float and carry away most vehicles, including SUVs and pickup trucks. The road surface beneath the water may be washed out or undermined, creating hidden sinkholes and drop-offs that you simply cannot see from behind the wheel.

At night, the danger multiplies dramatically because reduced visibility makes it nearly impossible to judge water depth or spot hazards beneath the surface. If you encounter a flooded road, stop immediately, turn around, and find an alternate route. Do not attempt to cross even if you think the water looks shallow. If your vehicle stalls in rising water, abandon it immediately and move to higher ground on foot. Keep an emergency hammer or seatbelt cutter in your vehicle so you can break a window and escape if the car becomes submerged and doors will not open. Our car emergency kit guide includes additional safety items you should keep in every vehicle.

Building Your Flood Evacuation Go-Bag

A well-prepared flood evacuation go-bag can be the difference between a stressful but manageable displacement and a dangerous crisis. Pack a sturdy, waterproof backpack for each family member containing at least one gallon of water, energy bars or non-perishable snacks, a flashlight with extra batteries, a compact first aid kit, any prescription medications needed for at least seven days, and a whistle for signaling rescuers. Include a portable power bank charged to full capacity along with charging cables compatible with your devices. Cash in small bills is essential since ATMs and card readers will not function without power.

Add waterproof clothing, a complete change of clothes, sturdy closed-toe shoes or boots, and basic toiletries. Place copies of all critical documents in a waterproof pouch inside the bag: photo IDs, insurance policies, birth certificates, and medical records. For families with young children, include diapers, wipes, formula or snacks, a small toy, and a comfort item. For elderly family members, pack extra eyeglasses, hearing aid batteries, and mobility aid accessories. Store your go-bags near the front door or in the garage by the car so you can grab them in seconds. Review and refresh the contents every six months. Our home evacuation checklist provides additional guidance on building portable supply kits for multiple emergency scenarios.

Waterproofing and Protecting Important Documents

Water destroys paper documents rapidly, and replacing critical records after a flood is a slow, expensive, and often impossible process. Before flood season, gather all essential documents and place them in a waterproof, sealable document bag or dry bag that you can grab instantly. Include photocopies of identification cards, passports, Social Security cards, insurance policies, property deeds, vehicle titles, bank account statements, and medical records. A secondary waterproof copy of each document stored in a different location provides additional protection against loss.

Digital backups are equally important. Scan every document and save encrypted copies to a password-protected USB drive stored in your go-bag and to a secure cloud storage service you can access from any device. Take photographs and video walkthroughs of your home and all valuable possessions to support insurance claims. Keep a written list of your insurance policy numbers, agent contact information, and your mortgage company's emergency line. Store your document protection kit in a consistent, easily accessible location so you can retrieve it without searching when seconds count.

Pet Evacuation Planning

Pets cannot fend for themselves during a flood evacuation, and many families tragically leave animals behind because they did not plan for their needs. Start by confirming that your intended shelter destination accepts pets, because many Red Cross shelters and public emergency shelters do not allow animals. Identify pet-friendly hotels, boarding facilities, and friends or family members along your evacuation route who can accommodate your animals. Keep a list of these locations with contact numbers in your evacuation plan and in your go-bags.

Pack a dedicated pet evacuation kit containing at least three days of pet food, a collapsible water bowl, a supply of water, any medications your pet takes, copies of vaccination records, a leash with collar and identification tags, a pet carrier or crate, waste bags, and a comfort item like a favorite blanket or toy. Ensure your pet wears a collar with an ID tag that includes your cell phone number at all times during flood season. Microchip your pets and keep the registration information current. For more guidance on preparing supplies for every member of your household, review our family 72-hour emergency kit guide.

Utility Shutoff Procedures Before Evacuating

Before leaving your home during a flood evacuation, shut off utilities to prevent additional damage and safety hazards. Turn off the main water valve to stop contaminated floodwater from backing up into your plumbing system through drains and fixtures. Locate your water shutoff valve in advance and ensure every adult in your household knows where it is and how to operate it with a wrench or pliers. Turn off the main electrical breaker only if water is not already near your electrical panel and you can safely reach the panel without stepping into standing water. If the panel is in a basement or any area where water may be present, leave it alone and contact your utility company after evacuating.

For gas appliances, turn off the gas supply at the main meter if you smell gas or if authorities instruct you to do so. Use an adjustable wrench to turn the valve a quarter turn so the handle is perpendicular to the pipe. Never attempt to relight a gas pilot light after a flood without a professional inspection. After evacuating, contact your electric, gas, and water utility companies to report your absence and request a service disconnection if needed. When you eventually return home, do not restore any utility service until a qualified professional has inspected all systems. Our emergency supplies list includes the tools you need for safe utility shutoff.

Emergency Shelter Options and High-Water Driving

When evacuating from a flood, you need a destination and a safe route to reach it. Identify at least three emergency shelter options before flood season: a Red Cross emergency shelter that opens during declared disasters, a pet-friendly hotel outside the flood zone, a friend or relative's home on high ground, and a community facility like a school or church that may open as a shelter. Register with your county's emergency notification system to receive real-time alerts about shelter locations and road closures. Keep your vehicle's fuel tank at least half full during flood season so you can leave immediately when an evacuation order is issued.

If you must drive through areas with possible standing water, follow critical safety procedures. Drive slowly and steadily through shallow water, never exceeding five miles per hour to avoid creating a bow wave that could flood your engine. After crossing water, tap your brakes several times to dry them. If your engine stalls in water, do not attempt to restart it, as this can cause catastrophic engine damage. Abandon the vehicle and move to higher ground on foot. Avoid driving at night during flood conditions whenever possible, as you will have minimal visibility of hazards on the road. Keep a paper map in your vehicle in case GPS and cell service are disrupted.

Post-Flood Return Checklist

Returning home after a flood requires caution and a systematic approach. Do not go back until authorities officially confirm that your area is safe and roads are passable. When you arrive, approach your home carefully and check for structural damage from the outside before entering. Look for cracks in the foundation, sagging roofs, displaced doors, and any signs that the building has shifted or settled unevenly. If you see significant structural damage, do not enter the building and contact a professional inspector before going inside.

Before restoring power or gas, have a licensed electrician inspect all wiring, panels, and appliances that were submerged. Photograph every piece of damage thoroughly before moving or discarding anything, as this documentation is essential for your insurance claim. Remove standing water, discard all food that contacted floodwater, and begin drying floors and walls immediately with fans and dehumidifiers to prevent mold growth within the critical 24 to 48 hour window. Wear rubber boots, gloves, and an N-95 respirator mask during cleanup to protect against contaminated residues. Contact your flood insurance company to initiate a claim and save all receipts for cleanup supplies, temporary repairs, and any living expenses incurred during your displacement.