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Howard County, Maryland

Natural disaster risk, federal disaster history and flood insurance facts.

Relatively Low overall risk
8th of 24highest risk in Maryland
$52Mexpected losses a year
20federal declarations
1 in 125homes with flood insurance
Photo: U.S. Geological Survey, public domain

Howard County, Maryland has a relatively low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 72% of US counties. It ranks 8th of 24 counties in Maryland. The costliest hazards here are inland flooding, heat waves and hurricanes. FEMA estimates about $52 million a year in expected losses, or roughly $156 per resident. Since 1971 it has been included in 20 federal disaster or emergency declarations for natural events (14 major disasters). The most recent was in January 2026 (severe winter storm). Fewer than 1 in 100 homes here carry federal flood insurance (816 policies). Since 1978, federal flood insurance has paid about $16 million on 422 claims here, including $8.0 million for floods in 2018.

FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.

Top risks in Howard County

$29.9 million a yearExpected losses. Damaging events about 3 times a year.
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.

Heat wave

Moderate
$4.8 million a yearExpected losses. Damaging events about 5 times a year.
  • Check that cooling works before summer.
  • Know where the nearest cooling center is.
$3.7 million a yearExpected losses. Damaging events about once every 10 years.
  • Know your evacuation zone and route before June 1.
  • Ask about roof age, shutters and the separate wind or hurricane deductible on your home policy.
HazardRatingScoreExpected loss a year
Inland floodingModerate78.1
$30M
Heat waveModerate89.3
$5M
HurricaneLow81.2
$4M
Strong windHigh89.0
$3M
EarthquakeLow77.5
$2M
Cold waveLow53.2
$2M
TornadoLow42.2
$2M
LightningHigh84.1
$1M
DroughtModerate75.0
$1M
HailLow71.9
$1M
Winter weatherHigh92.7
$845K
Ice stormLow59.2
$217K
WildfireVery Low15.6
$9K
LandslideVery Low52.1
$3K
Coastal floodingVery Low20.4
$632

Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is very low and community resilience is very high in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

Federal declarations for natural events that included Howard County. 2020s bar runs to November 2026.

By type

Flood6
Snowstorm5
Hurricane5
Severe Storm3
Winter Storm1

Most recent

Jan 24, 2026Severe Winter StormEmergency
Jul 2, 2018Severe Storm and FloodingMajor disaster
Sep 16, 2016Severe Storm and FloodingMajor disaster
Mar 4, 2016Severe Winter Storm and SnowstormMajor disaster
Apr 10, 2014SnowstormMajor disaster
Nov 20, 2012Hurricane SandyMajor disaster
Oct 28, 2012Hurricane SandyEmergency
Oct 5, 2011Remnants of Tropical Storm LeeMajor disaster
Aug 27, 2011Hurricane IreneEmergency
May 6, 2010Severe Winter Storms and SnowstormsMajor disaster
Show all 20
Feb 19, 2010Severe Winter Storm and SnowstormMajor disaster
Sep 13, 2005Hurricane Katrina EvacuationEmergency
Sep 19, 2003Hurricane IsabelMajor disaster
Mar 14, 2003SnowEmergency
Apr 10, 2000Severe Winter StormMajor disaster
Jan 11, 1996Blizzard of 96 (Severe Snow Storm)Major disaster
Mar 16, 1993Severe Snowfall & Winter StormEmergency
Oct 4, 1975Heavy Rains & FloodingMajor disaster
Jun 23, 1972Tropical Storm AgnesMajor disaster
Aug 17, 1971Severe Storms & FloodingMajor disaster

Maryland also had 1 statewide declarations that did not name single counties.

Storm history since 1969

Tornado risk by county ›

The National Weather Service has logged 624 storm reports in Howard County since 1969, with 4 deaths and 7 injuries and about $44.9 million in reported damage. The strongest on record here was an F2 tornado on September 24, 2001 near North Laurel.

20tornadoes
55hail reports, largest 3.5 inches
364damaging thunderstorm winds
161floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Sep 24, 2001F2North Laurel0 / 0
Jul 31, 1978F2–0 / 0
Aug 28, 1992F1–2 / 0
Mar 11, 2026EF1Sykesville Mape Arpt0 / 0
Jul 10, 2000F1Savage0 / 0

Most damaging storms

DateTypeNearDamage
Jul 30, 2016Flash FloodEllicott City$22M
May 27, 2018Flash FloodEllicott City$11M
Jun 5, 2024TornadoJonestown$3M
Aug 28, 1992Tornado–$3M
Sep 24, 2001TornadoNorth Laurel$1M
Jun 8, 2022Thunderstorm WindOakland Mills$1M

Source: NOAA Storm Events Database, county-based reports through Jul 28, 2026. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.

Hurricanes and tropical storms

Hurricane risk by county ›

Since 1876, 2 hurricanes and 14 tropical storms have passed within 65 miles of the center of Howard County, 6 of them since 1950. The strongest was an unnamed hurricane in 1878, with top winds near 95 mph about 57 miles away.

2hurricanes
0major hurricanes (Category 3+)
14tropical storms
2020most recent: Isaias

Strongest storms nearby

DateStormStrengthClosest
Oct 23, 1878UnnamedCategory 1, 95 mph57 mi
Oct 14, 1893UnnamedCategory 1, 75 mph59 mi
Aug 4, 2020IsaiasTropical storm, 65 mph50 mi
Sep 18, 1876UnnamedTropical storm, 65 mph51 mi
Aug 23, 1933UnnamedTropical storm, 65 mph54 mi
Aug 29, 1893UnnamedTropical storm, 65 mph62 mi

Most recent storms

DateStormStrengthClosest
Aug 4, 2020IsaiasTropical storm, 65 mph50 mi
Sep 26, 1992DanielleTropical storm, 45 mph60 mi
Jun 3, 1963UnnamedTropical storm, 45 mph60 mi
Aug 18, 1955DianeTropical storm, 45 mph57 mi
Aug 13, 1955ConnieTropical storm, 60 mph49 mi
Sep 1, 1952AbleTropical storm, 60 mph20 mi

Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.

Flood insurance in Howard County

Check your address flood zone ›
0.8%of homes have federal flood insurance (816 policies)
94.3%of homes in mapped high-risk flood zones are insured
$15.8 millionpaid on 422 flood claims since 1978
2018costliest year, with $8 million paid

National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.

Homes in Howard County

$597,900median home value (Maryland $419,900, US $332,700)
1989median year homes were built (Maryland 1979, US 1980)
29%of homes built before 1980, before many modern wind, quake and flood building rules
0.7%of homes are mobile homes, which are the least safe in tornadoes and high winds

Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 125,286 housing units.

Compare in Maryland

All 24 ›
Largest countiesOverall riskTop hazard
Montgomery CountyModerateInland flooding
Prince George's CountyModerateInland flooding
Baltimore CountyModerateInland flooding
Anne Arundel CountyModerateInland flooding
Baltimore CityHighInland flooding
Howard CountyLowInland flooding
Frederick CountyLowInland flooding
Harford CountyLowInland flooding

Neighboring counties

CountyOverall riskDeclarations
Montgomery CountyModerate19
Prince George's CountyModerate17
Baltimore CountyModerate22
Anne Arundel CountyModerate21
Frederick CountyLow21
Carroll CountyLow17

Common questions about Howard County

What is the biggest natural hazard in Howard County?

Inland flooding has the highest expected yearly losses in Howard County, about $29.9 million a year in FEMA's estimate. Heat wave is second at $4.8 million.

How many federal disasters has Howard County had?

Howard County has been included in 20 federal disaster or emergency declarations for natural events since 1971, including 14 major disasters. The most recent was Severe Winter Storm in January 2026.

Is Howard County a high-risk place to live?

Its overall rating is Relatively Low, 8th highest of 24 in Maryland. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.

Do I need flood insurance in Howard County?

Standard home insurance does not cover flooding. About 1 in 125 homes in Howard County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.

How many tornadoes has Howard County had?

NOAA records list 20 tornadoes in Howard County since 1950. The strongest was an F2 tornado on September 24, 2001 near North Laurel. The weather service has also logged 55 hail reports and 161 floods here.

How many hurricanes have hit Howard County?

NOAA's hurricane records show 2 hurricanes and 14 tropical storms passing within 65 miles of the center of Howard County. The strongest was an unnamed hurricane in 1878, with winds near 95 mph.

Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.