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Somerset County, Pennsylvania

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

Relatively Low overall risk
42nd of 67highest risk in Pennsylvania
$22Mexpected losses a year
19federal declarations
1 in 111homes with flood insurance
Photo: U.S. Geological Survey, public domain

Somerset County, Pennsylvania has a relatively low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 64% of US counties. It ranks 42nd of 67 counties in Pennsylvania. The costliest hazards here are inland flooding, hurricanes and strong wind. FEMA estimates about $22 million a year in expected losses, or roughly $296 per resident. Since 1972 it has been included in 19 federal disaster or emergency declarations for natural events (13 major disasters). The most recent was in March 2016 (severe winter storm and snowstorm). Fewer than 1 in 100 homes here carry federal flood insurance (257 policies). Since 1978, federal flood insurance has paid about $2.6 million on 395 claims here.

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

Top risks in Somerset County

$18 million a yearExpected losses. Damaging events about 2 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.
$721,066 a yearExpected losses. Damaging events about once every 35 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.

Strong wind

Moderate
$715,471 a yearExpected losses. Damaging events about 3 times a year.
  • Secure outdoor furniture and trash bins before storms.
  • Have trees near the house checked.
HazardRatingScoreExpected loss a year
Inland floodingModerate80.0
$18M
HurricaneLow73.2
$721K
Strong windModerate62.3
$715K
LightningModerate79.7
$657K
TornadoLow35.5
$631K
HailLow62.1
$377K
EarthquakeVery Low54.2
$315K
Winter weatherModerate75.2
$154K
DroughtLow50.8
$141K
Cold waveVery Low11.7
$95K
Heat waveVery Low20.3
$58K
Ice stormLow29.9
$29K
WildfireVery Low40.8
$25K
LandslideLow81.4
$17K
AvalancheVery Low44.7
$335

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 relatively moderate 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 Somerset County. 2020s bar runs to November 2026.

By type

Flood6
Snowstorm5
Severe Storm4
Hurricane4

Most recent

Mar 23, 2016Severe Winter Storm and SnowstormMajor disaster
Jan 10, 2013Hurricane SandyMajor disaster
Oct 29, 2012Hurricane SandyEmergency
Sep 8, 2011Remnants of Tropical Storm LeeEmergency
Apr 16, 2010Severe Winter Storms and SnowstormsMajor disaster
Sep 10, 2005Hurricane KatrinaEmergency
Sep 19, 2004Severe Storms and Flooding Associated With Tropical Depression FrancesMajor disaster
Sep 19, 2004Tropical Depression IvanMajor disaster
Mar 14, 2003SnowEmergency
Jun 8, 1998Severe Storms, Tornadoes,And FloodingMajor disaster
Show all 19
Jan 21, 1996Severe Storms and FloodingMajor disaster
Jan 13, 1996Blizzard of 96Major disaster
Mar 10, 1994Severe Winter StormsMajor disaster
Mar 16, 1993Severe Snowfall & Winter StormEmergency
Nov 9, 1985Severe Storms & FloodingMajor disaster
Aug 27, 1984Severe Storms & FloodingMajor disaster
Jul 21, 1977Severe Storms & FloodingMajor disaster
Jan 29, 1977SnowstormsEmergency
Jun 23, 1972Tropical Storm AgnesMajor disaster

Pennsylvania also had 7 statewide declarations that did not name single counties.

Storm history since 1951

Tornado risk by county ›

The National Weather Service has logged 437 storm reports in Somerset County since 1951, with 4 deaths and 27 injuries and about $6.6 million in reported damage. The strongest on record here was an F3 tornado on May 31, 1998 near Salisbury.

16tornadoes
36hail reports, largest 2 inches
303damaging thunderstorm winds
79floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
May 31, 1998F3Salisbury15 / 1
Jun 2, 1998F3Bakersville0 / 0
May 13, 1956F2–1 / 0
Jul 18, 2026EF2Jennerstown0 / 0
May 11, 1951F2–1 / 0

Most damaging storms

DateTypeNearDamage
May 31, 1998TornadoSalisbury$4M
Jul 5, 2019Flash FloodListie$1M
May 13, 1956Tornado–$250K
Apr 19, 2025Thunderstorm WindAddison$120K
Jul 18, 2026TornadoJennerstown$100K
Jun 8, 2022Thunderstorm WindRoberts$60K

Source: NOAA Storm Events Database, county-based reports through Jul 18, 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, 0 hurricanes and 7 tropical storms have passed within 65 miles of the center of Somerset County, 3 of them since 1950. The strongest was an unnamed storm in 1893, with top winds near 70 mph about 58 miles away.

0hurricanes
0major hurricanes (Category 3+)
7tropical storms
2003most recent: Isabel

Strongest storms nearby

DateStormStrengthClosest
Oct 14, 1893UnnamedTropical storm, 70 mph58 mi
Sep 18, 1876UnnamedTropical storm, 60 mph63 mi
Sep 19, 2003IsabelTropical storm, 50 mph46 mi
Aug 21, 1888UnnamedTropical storm, 50 mph40 mi
Sep 6, 1979DavidTropical storm, 45 mph61 mi
Oct 23, 1893UnnamedTropical storm, 40 mph54 mi

Most recent storms

DateStormStrengthClosest
Sep 19, 2003IsabelTropical storm, 50 mph46 mi
Sep 14, 1979FredericTropical storm, 40 mph60 mi
Sep 6, 1979DavidTropical storm, 45 mph61 mi
Oct 23, 1893UnnamedTropical storm, 40 mph54 mi
Oct 14, 1893UnnamedTropical storm, 70 mph58 mi
Aug 21, 1888UnnamedTropical storm, 50 mph40 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 Somerset County

Check your address flood zone ›
0.9%of homes have federal flood insurance (257 policies)
16.3%of homes in mapped high-risk flood zones are insured
$2.6 millionpaid on 395 flood claims since 1978
1996costliest year, with $771,453 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 Somerset County

$150,600median home value (Pennsylvania $254,500, US $332,700)
1964median year homes were built (Pennsylvania 1965, US 1980)
69%of homes built before 1980, before many modern wind, quake and flood building rules
10%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; 37,863 housing units.

Compare in Pennsylvania

All 67 ›
Largest countiesOverall riskTop hazard
Philadelphia CountyVery HighInland flooding
Allegheny CountyHighInland flooding
Montgomery CountyHighInland flooding
Bucks CountyHighInland flooding
Delaware CountyModerateInland flooding
Lancaster CountyHighInland flooding
Chester CountyModerateInland flooding
York CountyModerateInland flooding

Neighboring counties

CountyOverall riskDeclarations
Westmoreland CountyModerate18
Cambria CountyLow16
Fayette CountyModerate16
Allegany County, MDLow15
Bedford CountyLow19
Garrett County, MDVery Low12

Common questions about Somerset County

What is the biggest natural hazard in Somerset County?

Inland flooding has the highest expected yearly losses in Somerset County, about $18 million a year in FEMA's estimate. Hurricane is second at $721,066.

How many federal disasters has Somerset County had?

Somerset County has been included in 19 federal disaster or emergency declarations for natural events since 1972, including 13 major disasters. The most recent was Severe Winter Storm and Snowstorm in March 2016.

Is Somerset County a high-risk place to live?

Its overall rating is Relatively Low, 42nd highest of 67 in Pennsylvania. 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 Somerset County?

Standard home insurance does not cover flooding. About 1 in 111 homes in Somerset 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 Somerset County had?

NOAA records list 16 tornadoes in Somerset County since 1950. The strongest was an F3 tornado on May 31, 1998 near Salisbury. The weather service has also logged 36 hail reports and 79 floods here.

How many hurricanes have hit Somerset County?

NOAA's hurricane records show 0 hurricanes and 7 tropical storms passing within 65 miles of the center of Somerset County. The strongest was an unnamed storm in 1893, with winds near 70 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.