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Blair County, Pennsylvania

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

Relatively Low overall risk
27th of 67highest risk in Pennsylvania
$34Mexpected losses a year
16federal declarations
1 in 91homes with flood insurance
Photo: U.S. Geological Survey, public domain

Blair County, Pennsylvania has a relatively low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 78% of US counties. It ranks 27th of 67 counties in Pennsylvania. The costliest hazards here are inland flooding, tornadoes and hurricanes. FEMA estimates about $34 million a year in expected losses, or roughly $276 per resident. Since 1972 it has been included in 16 federal disaster or emergency declarations for natural events (11 major disasters). The most recent was in March 2016 (severe winter storm and snowstorm). About 1 in 91 homes here carry federal flood insurance (500 policies). Since 1978, federal flood insurance has paid about $8.5 million on 1,117 claims here.

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

Top risks in Blair County

$27.3 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.
$1.5 million a yearExpected losses. Damaging events about once every 6 years.
  • Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
  • Turn on emergency alerts on your phone and keep a weather radio.
$1.4 million a yearExpected losses. Damaging events about once every 20 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 floodingModerate87.5
$27M
TornadoLow58.9
$2M
HurricaneLow78.8
$1M
Strong windModerate69.5
$861K
Cold waveLow49.0
$814K
LightningModerate77.0
$574K
EarthquakeLow62.3
$463K
Winter weatherHigh92.6
$448K
Heat waveLow40.9
$215K
HailLow44.2
$188K
LandslideLow85.9
$30K
Ice stormVery Low23.4
$19K
WildfireVery Low32.0
$14K
AvalancheVery Low59.5
$1K

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 Blair County. 2020s bar runs to November 2026.

By type

Flood6
Snowstorm4
Severe Storm3
Hurricane3

Most recent

Mar 23, 2016Severe Winter Storm and SnowstormMajor 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
Aug 23, 2003Severe Storms, Tornadoes, and FloodingMajor disaster
Mar 14, 2003SnowEmergency
Jul 26, 1996Severe Storms, Flooding, and TornadoesMajor disaster
Show all 16
Jan 21, 1996Severe Storms and FloodingMajor disaster
Jan 13, 1996Blizzard of 96Major disaster
Mar 16, 1993Severe Snowfall & Winter StormEmergency
Aug 27, 1984Severe Storms & FloodingMajor disaster
Jul 21, 1977Severe Storms & FloodingMajor disaster
Jun 23, 1972Tropical Storm AgnesMajor disaster

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

Storm history since 1960

Tornado risk by county ›

The National Weather Service has logged 327 storm reports in Blair County since 1960, with 1 death and 2 injuries and about $3.7 million in reported damage. The strongest on record here was an F1 tornado on November 5, 1988.

4tornadoes
30hail reports, largest 1.5 inches
234damaging thunderstorm winds
59floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Nov 5, 1988F1–0 / 0
Jul 19, 1996F1Sickles Corner0 / 0
Jun 2, 1998F1Tyrone0 / 0
Jul 18, 2026EF0Vail0 / 0

Most damaging storms

DateTypeNearDamage
Nov 5, 1988Tornado–$3M
Aug 9, 2003Flash FloodAltoona$250K
Mar 16, 2025Thunderstorm WindGeeseytown$80K
Aug 19, 2017Thunderstorm WindGeeseytown$50K
Apr 29, 2025Thunderstorm WindGreenwood$50K
Apr 29, 2025Thunderstorm WindSickles Corner$40K

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, 0 hurricanes and 7 tropical storms have passed within 65 miles of the center of Blair County, 3 of them since 1950. The strongest was an unnamed storm in 1893, with top winds near 70 mph about 38 miles away.

0hurricanes
0major hurricanes (Category 3+)
7tropical storms
1979most recent: Frederic

Strongest storms nearby

DateStormStrengthClosest
Oct 14, 1893UnnamedTropical storm, 70 mph38 mi
Sep 18, 1876UnnamedTropical storm, 60 mph46 mi
Aug 13, 1955ConnieTropical storm, 55 mph57 mi
Aug 21, 1888UnnamedTropical storm, 50 mph49 mi
Sep 6, 1979DavidTropical storm, 45 mph64 mi
Oct 23, 1893UnnamedTropical storm, 40 mph63 mi

Most recent storms

DateStormStrengthClosest
Sep 14, 1979FredericTropical storm, 40 mph54 mi
Sep 6, 1979DavidTropical storm, 45 mph64 mi
Aug 13, 1955ConnieTropical storm, 55 mph57 mi
Oct 23, 1893UnnamedTropical storm, 40 mph63 mi
Oct 14, 1893UnnamedTropical storm, 70 mph38 mi
Aug 21, 1888UnnamedTropical storm, 50 mph49 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 Blair County

Check your address flood zone ›
1.1%of homes have federal flood insurance (500 policies)
19.1%of homes in mapped high-risk flood zones are insured
$8.5 millionpaid on 1,117 flood claims since 1978
2004costliest year, with $2.5 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 Blair County

$161,100median home value (Pennsylvania $254,500, US $332,700)
1957median year homes were built (Pennsylvania 1965, US 1980)
75%of homes built before 1980, before many modern wind, quake and flood building rules
6.3%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; 55,901 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
Centre CountyLow13
Cambria CountyLow16
Clearfield CountyLow15
Bedford CountyLow19
Huntingdon CountyLow16

Cities in Blair County

Common questions about Blair County

What is the biggest natural hazard in Blair County?

Inland flooding has the highest expected yearly losses in Blair County, about $27.3 million a year in FEMA's estimate. Tornado is second at $1.5 million.

How many federal disasters has Blair County had?

Blair County has been included in 16 federal disaster or emergency declarations for natural events since 1972, including 11 major disasters. The most recent was Severe Winter Storm and Snowstorm in March 2016.

Is Blair County a high-risk place to live?

Its overall rating is Relatively Low, 27th 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 Blair County?

Standard home insurance does not cover flooding. About 1 in 91 homes in Blair 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 Blair County had?

NOAA records list 4 tornadoes in Blair County since 1950. The strongest was an F1 tornado on November 5, 1988. The weather service has also logged 30 hail reports and 59 floods here.

How many hurricanes have hit Blair County?

NOAA's hurricane records show 0 hurricanes and 7 tropical storms passing within 65 miles of the center of Blair 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.