Clinton County
Population 37,870 (2025) 890 sq mi
Property owners in Clinton County have filed 911 federal flood insurance claims since 1978, 27th most of 67 counties in Pennsylvania.
Hazard fingerprint Each spoke is this county’s percentile among U.S. counties where that hazard occurs. How it is computed
- Tornado damage paths since 195010
- Tropical cyclone tracks within 100 miles since 1851, wider where stronger14
- Wildfire burn scars since 19842
- Major flood years since 19784
At a glance
The record for Clinton County in eight numbers. Each links to its section below.
Tropical cyclones within 50 mi
7
35th of 67 in Pennsylvania
None at hurricane strength since 1851
DetailsTornadoes since 1950
10
48th of 67 in Pennsylvania
Fewer than the typical Pennsylvania county, which has had 14
DetailsAcres burned since 1984
1,218
7th of 67 in Pennsylvania
2 large fires; the largest was Five Mile Fire, 2006
DetailsStrongest tornado
F4
May 31, 1985, 69.0 mile path
Strongest tropical cyclone
TS
Tropical storm (unnamed), 1893, 0.0 miles away
Tornadoes
About one every 7.6 years since 1950, one of them rated F3/EF3 or stronger.
Strongest
May 31, 1985
F4, 69.0 mile path
3,330 yards wide.
Most recent
Sunday, March 16, 2025
EF1, 0.7 mile path
Within the past year.
Every recorded tornado
| Mar 16, 2025 | EF1 | 0.7 | 0 | 0 |
| May 15, 2014 | EF0 | 0.3 | 0 | 0 |
| Jul 10, 2001 | F0 | 0.1 | 0 | 0 |
| May 31, 1998 | F1 | 5.0 | 0 | 0 |
| Jul 18, 1997 | F1 | 3.5 | 0 | 0 |
| May 19, 1997 | F1 | 5.0 | 0 | 0 |
| Nov 8, 1996 | F1 | 3.0 | 0 | 0 |
| Jul 15, 1992 | F1 | 1.0 | 0 | 0 |
| May 31, 1985 | F4 | 69.0 | 0 | 0 |
| May 13, 1954 | F0 | 0.8 | 0 | 0 |
- Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Clinton County: 0.
- Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.
Storm Prediction Center severe weather database, 1950 to 2025.
Hurricanes and tropical storms
7 passed within 50 miles since 1851; none at hurricane strength.
Strongest within 50 miles
October 14, 1893
Unnamed storm, Tropical storm
0.0 miles at closest approach, winds near 71 mph.
Most recent
October 30, 2012
Sandy, Post-tropical
61.4 miles at closest approach.
Every storm within 100 miles
| Sandy | 2012 | 61.4 | Post-tropical |
| David | 1979 | 22.3 | Tropical storm |
| Diane | 1955 | 90.7 | Tropical storm |
| Connie | 1955 | 12.3 | Tropical storm |
| Hazel | 1954 | 0.0 | Post-tropical |
| Able | 1952 | 84.4 | Tropical storm |
| Unnamed | 1949 | 33.1 | Tropical storm |
| Unnamed | 1933 | 16.9 | Tropical storm |
| Unnamed | 1929 | 69.2 | Post-tropical |
| Unnamed | 1928 | 37.0 | Post-tropical |
| Unnamed | 1915 | 96.1 | Tropical storm |
| Unnamed | 1903 | 69.6 | Tropical storm |
| Unnamed | 1902 | 38.7 | Post-tropical |
| Unnamed | 1899 | 96.1 | Post-tropical |
| Unnamed | 1896 | 38.6 | Post-tropical |
| Unnamed | 1893 | 71.4 | Tropical storm |
| Unnamed | 1893 | 0.0 | Tropical storm |
| Unnamed | 1893 | 83.7 | Tropical storm |
| Unnamed | 1888 | 41.5 | Tropical storm |
| Unnamed | 1885 | 0.0 | Post-tropical |
| Unnamed | 1878 | 65.2 | Category 1 |
| Unnamed | 1878 | 50.9 | Post-tropical |
| Unnamed | 1876 | 0.0 | Tropical storm |
- Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.
National Hurricane Center HURDAT2, 1851 to 2025.
Wildfire and smoke
1,218 acres burned in 2 large fires since 1984, equal to 0.2% of the land.
Largest
May 10, 2006
Five Mile Fire, 658 acres
657 acres inside Clinton County.
Most recent
May 10, 2006
Five Mile Fire
658 acres in total.
Every large fire
| Five Mile Fire | 2006 | 657 | 658 |
| Bear Trap | 2006 | 560 | 562 |
- Large fires mapped by the Monitoring Trends in Burn Severity program since 1984: 1,000 acres or more in the West, 500 or more in the East. Prescribed burns are excluded. Acres here are the part of each perimeter inside this place.
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service), 1984 to 2026.
Smoke overhead
Smokiest year
2023: 57 days
Heavy smoke on 12 days in 2023, the most of any year.
Last 10 years
14.1 days a year
Medium or heavy smoke, 2016 to 2025.
2025
14 days
Medium or heavy smoke. 25 so far in 2026.
- A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.
NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.
Floods and flood insurance
911 federal flood insurance claims since 1978, with $8.2 million paid.
Most claims in one year
2004: 252 claims
$5.3 million paid.
2nd most
1996: 180 claims
$1.5 million paid.
3rd most
1984: 149 claims
$390,000 paid.
Claims by ZIP code
| 17751 | 342 | $3.4 million |
| 17745 | 263 | $2.1 million |
| 17764 | 99 | $1.0 million |
| 17740 | 71 | $687,000 |
| 16822 | 39 | $154,000 |
| 17750 | 18 | $321,000 |
| 17721 | 17 | $179,000 |
| 16848 | 15 | $35,000 |
| 10000 | 8 | $30,000 |
| 7 | $23,000 | |
| 17767 | 5 | $22,000 |
Flood events since 1996
- Flood29
- Flash Flood11
1 death recorded in flood events since 1996.
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.
River crests
Most severe crest
March 18, 1936
West Branch Susquehanna River at Renovo, 29.39 ft
13.39 feet above the 16.0 ft flood stage; major flooding by today’s categories.
Most recent moderate or major crest
September 3, 2026
Bald Eagle Creek near Beech Creek Station, 15.12 ft
Major flooding.
River gauges
| Bald Eagle Creek near Beech Creek Station | 11.0 | 15.97 ft | 6 |
| West Branch Susquehanna River at Lock Haven | 21.0 | 28.13 ft | 2 |
| West Branch Susquehanna River at Renovo | 16.0 | 29.39 ft | 4 |
- Crests are the highest and the recent crests the National Weather Service lists for each river gauge in the county that has a flood stage, not every flood. Flood categories use each gauge's current flood stages; crests from before levees, dams or channel changes may not be comparable. Crests measured on an old datum are left out of the rankings.
NOAA National Water Prediction Service gauge records, retrieved October 30, 2026.
Drought
In severe drought or worse for 75 of 1,581 months since 1895 (5%); the longest spell lasted 9 months.
75
Months in severe drought or worse since 1895
14
Months in extreme drought
5%
Share of all months, severe or worse
14
Drought reports to the Weather Service since 1996
Lowest reading
February 1931
−5.94, extreme drought
Longest severe spell
9 months
October 1930 to June 1931.
Latest month
September 2026
+2.09, moderately wet
Last severe month: September 2005.
- The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.
NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.
Earthquakes and landslides
2 earthquakes of magnitude 2.5 or more within 50 miles since 2019; none reached magnitude 4.
0
Magnitude 2.5+ inside the county since 1973
1
Magnitude 3+ within 50 miles since 1973
0
Magnitude 4+ within 50 miles since 1900
0
Magnitude 5+ within 50 miles since 1900
Largest within 50 miles
June 12, 2019
Magnitude 3.4
9 km N of Blain, Pennsylvania; 37.4 miles away, 16.6 miles deep.
Most recent, magnitude 3 or more
June 12, 2019
Magnitude 3.4
9 km N of Blain, Pennsylvania; 37.4 miles away.
- Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
- Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).
USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.
Mapped landslides
1
Landslides mapped, probable or better
1
With a recorded date
1
Source inventory
Mapped by NASA (1).
- Landslides mapped in the USGS compilation of landslide inventories across the United States (version 3.0, 2025), rated probable or better. The compilation joins inventories made by federal and state agencies for different purposes and areas, so the number mapped in a county reflects how closely it has been surveyed as much as how often its slopes fail. An area with few records may simply not have been mapped. Deaths are as recorded in the inventories; a slide listed in two inventories is counted once.
USGS Landslide Inventories across the United States, version 3.0, retrieved October 27, 2026.
Severe weather and other events
613 events in the National Weather Service record, 557 of them since 1996.
19
Hail reports, 1 inch or larger
2
Hail, 2 inches or larger
226
Damaging gusts, 58 mph+
145
Winter weather events since 1996
7
Heat events since 1996
28
Cold events since 1996
Largest hail
April 26, 2011
2.00 inches
Strongest measured or estimated gust
March 16, 2025
100 mph
More event types since 1996
| Lightning | 1 | 0 |
Costliest events since 1996
- Jun 27, 2013Flash Flood$2.1 million
National Weather Service narrative
Torrential rains of 4-6 inches in an hour caused significant flash flooding in the Beech Creek area. The flash flooding extended northeast along Route 150 into Mill Hall. The heavy rains and flood waters inundated the Beech Creek area, which resulted in a State of Emergency and Disaster Declaration due to numerous roads closed/damaged and covered in debris from flood waters. Many of the road closures and damage was confined in Beech Creek Township. More than 30 miles of roadway, including drainage culverts and bridges, were affected by the flooding. ||One home in the Beech Creek area was destroyed and another sustained major damage. An additional 14 homes also sustained minor…
- Jan 6, 2004Winter Weather, Southern Clinton$1.5 million
- Mar 16, 2025Tornado$300,000
National Weather Service narrative
An NWS Storm Survey confirmed a brief EF-1 tornado with maximum wind speeds estimated at 100 mph. The tornado impacted the areas along Dutchman and Jerry Ridge roads in northern Clinton County while it moved across its 0.66 mile long path. The tornado uprooted or snapped over 300 trees.
- Dec 1, 2010Flood$200,000
National Weather Service narrative
Rainfall amounts between 2 and 4 inches produced significant flooding. The Bald Eagle Creek at Beach Creek Station had major flooding and recorded its third highest crest ever at 14.47 feet. The West Branch Susquehanna River at Renovo experienced moderate flooding and crested just over 18 feet. The Kettle Creek at Cross Forks was out of its banks and flooded nearby areas. The West Branch Susquehanna River at Lock Haven crested over moderate flood stage just above 24 feet. As a precaution, emergency crews in Lock Haven closed the Jay Street Bridge with flood gates sealing off the Susquehanna River.
- Nov 8, 1996Tornado$100,000
- Mar 16, 2025Thunderstorm Wind$90,000
National Weather Service narrative
An NWS Storm Survey confirmed that a downburst occurred on March 16, 2025 with maximum estimated winds of 100 mph northeast of Beech Creek. Damage began along Monument Orviston Road where several large trees fell onto a garage. Additional tree damage was observed along Laurel Run Road where multiple roofs were damaged. Extensive pine tree damage continued across Berry Road.
- Apr 29, 2025Thunderstorm Wind$80,000
National Weather Service narrative
A line of severe thunderstorms producing wind gusts estimated at 80 mph knocked down high tension power lines in the vicinity of Whitetail Trail.
- Apr 29, 2025Thunderstorm Wind$50,000
National Weather Service narrative
A line of severe thunderstorms producing wind gusts estimated at 80 mph produced widespread damage to trees and power lines throughout Lamar.
- Jul 23, 2009Flash Flood$40,000
National Weather Service narrative
Heavy rain produced flash flooding throughout south-central Clinton County. Numerous small streams were flooded causing road and bridge closures in Woolrich, McElhatten and Avis. Flash flooding caused a washout along Coudersport Pike/Route 664 and Middle Hill Road in Woodward Township. Lusk Run, Fairport Road and Orner Road were flooded in Bald Eagle Township. Flooding was also reported on Spong Hollow Road in Dunnstable Township and on Little Plum Road, Gravel Hill Road, Owl Hollow Road, Park Avenue, Sulfur Run Road and Steward Road in Pine Creek Township. Chatham Run was out of its banks at Gravel Hill Road.
- Apr 14, 2024Thunderstorm Wind$35,000
National Weather Service narrative
A severe thunderstorm producing winds estimated at 75 mph blew a roof off of a building, knocked down trees and wires, and damaged a home in Avis.
- Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.
NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.
Weather records
From Lock Haven Sewage Plt, 0.9 miles from the county’s population centre, with records from 1973.
- All-time high
- 105°FJul 23, 2011
- All-time low
- −19°FJan 18, 1982
- Warmest night
- 76°FJul 23, 2011
- Coldest day
- −1°FJan 20, 1994
- Wettest day
- 6.10 inSep 18, 2004
- Snowiest day
- 21.0 inMar 3, 1994
- Hottest year
- 2024mean 53.2°F
- Coldest year
- 1980mean 46.9°F
- Wettest year
- 200460.87 in
- Driest year
- 194925.93 in
- Snowiest season
- 72.4 in1993-94
Median first snow
November 28
Earliest: October 16, 2009
Median last snow
March 20
Latest: April 19, 2022
0 of 41 winters had no measurable snow.
Station Lock Haven Sewage Plt (USC00365109), 566 ft elevation, 0.9 miles from the population centre. Daily records from 1973 to October 22, 2026; 98.7% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.
NOAA NCEI Global Historical Climatology Network Daily.
Federal disaster declarations
15 since 1953. The most recent: Covid-19 Pandemic, March 30, 2020.
| Mar 30, 2020 | Biological | DR-4506-PA |
| Mar 13, 2020 | Biological | EM-3441-PA |
| Oct 1, 2013 | Severe Storm | DR-4149-PA |
| Oct 29, 2012 | Hurricane | EM-3356-PA |
| Sep 8, 2011 | Flood | EM-3340-PA |
| Sep 10, 2005 | Hurricane | EM-3235-PA |
| Sep 19, 2004 | Hurricane | DR-1557-PA |
| Sep 19, 2004 | Severe Storm | DR-1555-PA |
| Mar 14, 2003 | Severe Storm | EM-3180-PA |
| Jan 21, 1996 | Flood | DR-1093-PA |
| Jan 13, 1996 | Snowstorm | DR-1085-PA |
| Mar 10, 1994 | Severe Storm | DR-1015-PA |
| Mar 16, 1993 | Snowstorm | EM-3105-PA |
| Sep 26, 1975 | Flood | DR-485-PA |
| Jun 23, 1972 | Flood | DR-340-PA |
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.
How this compares
Where Clinton County stands among 67 counties in Pennsylvania and 3,143 in the United States.
| Tornadoes since 1950 | 10 | 48 / 67 |
| Tornadoes rated F3/EF3 or stronger | 1 | 15 / 67 |
| Tropical cyclones within 50 mi | 7 | 35 / 67 |
| Hurricane-strength passes within 50 mi | 0 | — |
| Wildfire acres since 1984 | 1,218 | 7 / 67 |
| Flood insurance claims | 911 | 27 / 67 |
| Flood insurance paid | $8.2 million | 36 / 67 |
| Disaster declarations | 15 | 49 / 67 |
| Flood events since 1996 | 40 | 55 / 67 |
| Hail and wind events since 1996 | 314 | 41 / 67 |
| Winter storm events since 1996 | 145 | 18 / 67 |
| Reported damage since 1996 | $5.4 million | 48 / 67 |
| River crests at major flood stage | 12 | 18 / 67 |
| High tide flooding days a year, last 10 years | 0.0 | — |
| Months in severe drought since 1895 | 75 | 51 / 67 |
| Medium or heavy smoke days a year, last 10 years | 14.1 | 29 / 67 |
| Earthquakes M4+ within 50 mi since 1900 | 0 | — |
| Earthquakes M2.5+ in the county since 1973 | 0 | — |
Neighbouring counties
| Cameron County | 2 | 3 |
| Centre County | 14 | 8 |
| Clearfield County | 8 | 4 |
| Lycoming County | 29 | 9 |
| Potter County | 12 | 4 |
| Union County | 12 | 8 |
Sources and vintage
Every number on this page comes from these public records.
- Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
- Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
- Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
- Storm events NOAA NCEI Storm Events Database, through 2026.
- Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
- Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
- Weather records NOAA NCEI Global Historical Climatology Network Daily, station USC00365109.
- River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
- Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
- Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
- Landslides USGS Landslide Inventories across the United States, version 3.0 (2025).
- Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.
Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.