Winter storms have produced 24 billion-dollar events in the United States from 1980 through 2024, with $104.2 billion in total losses and 1,463 deaths. The data below shows how warning time, snowfall, ice, travel, outages, and household expectations shape winter storm preparedness.
Contents
- The national scale of winter storm losses
- What warning times and thresholds mean
- How snow and ice affect travel
- Why power and communication planning matters
- Examples of costly and deadly storms
- What household preparedness expectations show
The national scale of winter storm losses
NOAA’s National Centers for Environmental Information (NCEI) Billion-Dollar Weather and Climate Disasters record 403 U.S. billion-dollar weather and climate disasters from 1980 through 2024. Winter storms made up 6.0% of those events. Their $104.2 billion in losses represented 3.6% of the total losses in the series.
Across the same period, the average winter-storm loss was $4.3 billion per event, while the average annual loss was $2.3 billion. NCEI also recorded 1,463 deaths, or an average of 33 deaths per year. These figures describe the full 1980–2024 period and are not a forecast of any individual winter.
NCEI’s CPI-adjusted comparison table presents a different series for the 1980–2024 period shown there. In that table, winter storms account for 17 billion-dollar events, $64.1 billion in losses, 4.9% of all events, and 3.2% of total losses. The adjusted series reports an average of $3.8 billion per event and $1.4 billion per year, along with 1,120 deaths and 25 deaths per year. Because the two NCEI presentations use different series, their values should not be combined.
| NCEI measure | Main 1980–2024 series | CPI-adjusted comparison table |
|---|---|---|
| Winter storm events | 24 | 17 |
| Total losses | $104.2 billion | $64.1 billion |
| Share of all events | 6.0% | 4.9% |
| Share of total losses | 3.6% | 3.2% |
| Average loss per event | $4.3 billion | $3.8 billion |
| Average deaths per year | 33 | 25 |
The historical record also shows that a storm’s effect is not limited to snowfall totals. NCEI says the 2022 central and eastern winter storm and cold wave placed more than 200 million people under a winter weather advisory or warning and left more than 1 million customers without power from Texas to Maine. The 2021 northwest, central, and eastern winter storm and cold wave produced temperature departures exceeding 40.0°F below normal from Nebraska southward to Texas.
What warning times and thresholds mean
Ready.gov says Winter Storm Warnings are usually issued 12 to 24 hours before an event is expected to begin. Winter Storm Watches are usually issued 12 to 48 hours before the beginning of a winter storm. That difference matters for preparation: a watch identifies a developing possibility, while a warning signals that warning-level conditions are expected.
Local thresholds vary. NWS Atlanta criteria say a Winter Storm Watch can be issued up to 36 hours before an event when there is an 80% or greater chance of warning-level weather. The same criteria use 2 or more inches of snow in 12 hours as one warning threshold, or 3 inches in northeast Georgia in 12 hours. Another threshold is 4 or more inches in 24 hours. The Atlanta criteria also identify 1/2 inch or more of sleet and 1/4 inch or more of freezing rain as warning thresholds.
NWS Boston/Norton reference materials list 3 inches averaged over a forecast zone in 12 hours among advisory thresholds. Their warning criteria include 6 inches of snow and sleet in one event, or 1/2 inch or greater accretion of freezing rain in any zone.
NWS Washington criteria describe a Winter Weather Advisory as 2 to 4 inches of snow, alone or with sleet or freezing rain, when impacts are inconvenient but not at warning level. In six westernmost counties, the snow and sleet advisory threshold is higher at 3 to 5 inches. NWS Houston-area criteria use 2 or more inches of snow as part of Winter Storm Watch criteria and 1/8 inch of ice accretion as another watch criterion. In that area, less than 2 inches of snow, less than 1/2 inch of sleet, and less than 1/8 inch of ice are advisory territory.
These thresholds are location-specific. A preparation plan should follow the forecast office serving the location rather than applying one national snow number everywhere.
Blizzard conditions are defined by more than snowfall. Weather.gov Snow Storm Safety says they require sustained winds or frequent gusts of at least 35 mph, visibility of 1/4 mile or less, and conditions that prevail for at least 3 hours.
How snow and ice affect travel
The NOAA Science Council Winter Weather Literature Review reports 31,159 motor-vehicle fatalities in the United States from 1975 through 2011 in which winter precipitation was a factor. Annual fatalities in that period ranged from 535 in 2006 to 1,158 in 1996. In U.S. data from 1975 through 2000, crash fatality rates during snowfall were 18% higher than during dry conditions. Non-fatal injury crashes were 23% higher, and property-damage crashes were 45% higher.
The same review describes a North Carolina study that linked 14,064 winter-weather exposures to 21,274 excess collisions from 2013 through 2019. The study estimated $2.62 billion in collision costs, or $374 million per year. It also found an 8.2% reduction in predicted collisions within the three days after an adverse winter-weather event.
| Travel finding | Measurement |
|---|---|
| U.S. winter-precipitation motor-vehicle fatalities, 1975–2011 | 31,159 |
| Crash fatality increase during snowfall versus dry conditions, 1975–2000 | 18% |
| Non-fatal injury crash increase during snowfall | 23% |
| Property-damage crash increase during snowfall | 45% |
| North Carolina excess collisions, 2013–2019 | 21,274 |
| North Carolina estimated collision costs | $2.62 billion |
In a New York State Thruway study summarized by NOAA, every 5.1 centimeters of snowfall caused an additional crash, except in Buffalo, where the increase was 2.6 crashes. Every 2.5 centimeters of snow reduced passenger revenue by 3% to 5% and commercial revenue by 1% to 4%. The study estimated roughly $1,300 lost at each toll barrier per day because of snowfall and about $331 lost at each exit per day.
Another U.S. analysis found about 1,000 fatal winter-weather crashes per year from 2008 through 2019, totaling 11,966 road fatalities over that period. Only 33.2% of those fatal winter-weather crashes had a National Weather Service warning, watch, or advisory in effect at the time of the crash. This makes checking current alerts before travel a measurable safety step, not merely a convenience.
The NOAA review also reports that one extra hour of lead time on winter advisories reduced daily crashes by nearly 0.75%. It translated existing warning lead times into about 13 fewer crashes per 100,000 people annually and estimated nearly $190 million in annual savings in an 11-state sample.
Why power and communication planning matters
Ready.gov says winter storms can last a few hours or several days and can cut off heat, power, and communication services. CDC materials likewise identify cold temperatures, power failures, loss of communication services, and icy roads as winter-storm conditions. CDC says these storms can create risks of car crashes, falls on ice, hypothermia, and frostbite.
The 2022 central and eastern event illustrates the scale of a regional outage: more than 1 million customers from Texas to Maine lost power. The 2024 Northwest Winter Storm ran from January 12 through January 14, 2024, and NCEI says it caused significant tree damage and power outages in the Portland metro area and nearby locations.
The NOAA literature review summarizes a survey of residential electricity customers in the Northeast using a 10-day blackout in very cold winter weather as its scenario. Respondents expressed willingness to pay $1.70 to $2.30 per kilowatt-hour to maintain private electricity service during the blackout. They expressed willingness to pay $19 to $29 per day to support community electricity demand. These are survey measures for that scenario, not universal prices or forecasts.
Ready.gov says older adults, children, sick individuals, and pets can face greater risk during winter storms. That makes household planning broader than keeping a vehicle moving: it includes maintaining heat and communication, accounting for people with additional needs, and preparing for a disruption lasting several days.
Examples of costly and deadly storms
NCEI’s historical examples show why loss totals and death counts can vary sharply from event to event. The March 2018 Northeast winter storm caused $2.8 billion in losses and 9 deaths. The January 2018 Central/Eastern winter storm caused $1.3 billion in losses and 22 deaths. The January 1999 Central/Eastern winter storm caused $1.7 billion in losses and 25 deaths.
The February 1994 Southeast ice storm caused $6.4 billion in losses and 9 deaths. The January 1994 winter storm caused $2.2 billion in losses and 70 deaths. The January 1998 Northeast ice storm caused $2.7 billion in losses and 16 deaths.
| NCEI event | Losses | Deaths |
|---|---|---|
| March 2018 Northeast winter storm | $2.8 billion | 9 |
| January 2018 Central/Eastern winter storm | $1.3 billion | 22 |
| January 1999 Central/Eastern winter storm | $1.7 billion | 25 |
| February 1994 Southeast ice storm | $6.4 billion | 9 |
| January 1994 winter storm | $2.2 billion | 70 |
| January 1998 Northeast ice storm | $2.7 billion | 16 |
The February 23, 2026 Boston-area blizzard bulletin recorded Bedford, Massachusetts, meeting blizzard criteria from 6:30 a.m. to 9:45 a.m. Boston met the criteria from 6:20 a.m. to 12:40 p.m., while Worcester met them from 2:45 a.m. to 9:40 a.m. Those times show that blizzard conditions can vary across nearby communities during the same storm.
What household preparedness expectations show
FEMA’s 2024 National Household Survey on Disaster Preparedness found that 45% of respondents thought a winter storm would have a big impact where they live. Fifteen percent said they had experienced a winter storm. The gap between perceived local impact and reported experience is a useful reminder that preparedness decisions should account for plausible disruption, not only personal memory.
The evidence also supports acting before conditions deteriorate. Ready.gov’s typical warning windows range from 12 to 48 hours depending on the product. NOAA’s literature review associates additional lead time with fewer crashes and economic savings. NWS criteria show that thresholds differ between Atlanta, Boston/Norton, Washington, and Houston-area forecast regions. Together, these statistics point to a straightforward preparedness priority: monitor the local forecast office, distinguish a watch from a warning, and use the available lead time before snow, ice, wind, or outages make routine travel and communication harder.