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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Millersburg, PA

Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

22 tropical systems have passed within 75 miles of Millersburg, Pennsylvania since 1851, 2 of them at hurricane strength; the most recent was Ida in 2021. Since 1950, 58 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.

Hurricanes
2

within 75 mi, since 1851

Tropical storms
20

below hurricane strength

Tornadoes
58

within 25 mi, since 1950

EF3 or stronger
0

1 deaths in all

What the records show for Millersburg

The strongest storm to pass near Millersburg was an unnamed storm in 1878, a Category 1 hurricane with 86 mph winds when its centre passed 39 miles away. The closest pass by a hurricane was Hazel in 1954, whose centre came within 20 miles. The record near Millersburg begins with an unnamed storm in 1876; the most recent system was Ida in 2021, a tropical storm 73 miles away. The 1890s and the 1950s were the busiest decades, with 4 systems each. Of the 22 systems, 3 have come since 2000. Millersburg has more hurricanes within 75 miles than 54% of the 794 Pennsylvania cities on this site. The highest rating among the 58 tornadoes within 25 miles is F2 or EF2, reached 10 times; the most recent, on May 23, 2011, came within 11 miles. The deadliest, an F1 on December 1, 2006, killed 1 person. Of the 58, 3 had paths within 5 miles of the city centre, and 31 have come since 2000. August has had the most tornadoes, 13. The most recent tornado was on August 9, 2024. Of the 794 Pennsylvania cities, 52% have more tornadoes within 25 miles than Millersburg. Hail has been reported within 10 miles 25 times since 1988, with stones up to 1.75 inches (golf ball size). Of the 794 Pennsylvania cities, 78% have more hail reports within 10 miles than Millersburg.

Compare Millersburg's storm record with another city →

Tropical storms and hurricanes near Millersburg

Tropical systems that passed within 75 miles of Millersburg, Pennsylvania, newest first
YearStormClosestStrength when closestPeak
2021IdaSep 173 miTropical storm (39 mph)Category 4
2012SandyOct 3038 miTropical storm (60 mph)Category 3
2006ErnestoSep 347 miTropical storm (40 mph)Category 1
1979DavidSep 612 miTropical storm (46 mph)Category 5
1955DianeAug 1856 miTropical storm (40 mph)Category 2
1955ConnieAug 1324 miTropical storm (52 mph)Category 4
1954HazelOct 1620 miCategory 1 (81 mph)Category 4
1952AbleSep 151 miTropical storm (58 mph)Category 2
1949Unnamed 1949 stormAug 297 miTropical storm (58 mph)Category 4
1943Unnamed 1943 stormOct 173 miTropical storm (40 mph)Tropical storm
1933Unnamed 1933 stormAug 244 miTropical storm (52 mph)Category 4
1929Unnamed 1929 stormOct 347 miTropical storm (58 mph)Category 4
1928Unnamed 1928 stormSep 2074 miTropical storm (45 mph)Category 5
1915Unnamed 1915 stormAug 464 miTropical storm (51 mph)Category 1
1899Unnamed 1899 stormNov 167 miTropical storm (58 mph)Category 2
1893Unnamed 1893 stormOct 2366 miTropical storm (40 mph)Tropical storm
1893Unnamed 1893 stormOct 1449 miTropical storm (72 mph)Category 3
1893Unnamed 1893 stormAug 2952 miTropical storm (63 mph)Category 3
1888Unnamed 1888 stormAug 215 miTropical storm (46 mph)Category 3
1885Unnamed 1885 stormOct 1428 miTropical storm (46 mph)Tropical storm
1878Unnamed 1878 stormOct 2339 miCategory 1 (86 mph)Category 2
1876Unnamed 1876 stormSep 1855 miTropical storm (60 mph)Category 3

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Millersburg: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.

Tornadoes within 25 miles of Millersburg

By decade

  • 2020s7
  • 2010s14
  • 2000s10
  • 1990s11
  • 1980s2
  • 1970s6
  • 1960s2
  • 1950s6
Strongest tornadoes near Millersburg, Pennsylvania
DateRatingDistancePathKilled / injured
May 23, 2011EF211 mi4.71 mi0 / 0
Apr 28, 2011EF222 mi1.07 mi0 / 0
Apr 9, 1980F222 mi0.1 mi0 / 0
Aug 28, 1978F223 mi3.3 mi0 / 1
Apr 5, 1977F222 mi2 mi0 / 1
Mar 26, 1970F221 mi2.5 mi0 / 0
Oct 18, 1967F224 mi10.2 mi0 / 11
Sep 21, 1967F216 mi0.1 mi0 / 0
Sep 12, 1953F216 mi4.7 mi0 / 0
Jul 5, 1950F210 mi0.1 mi0 / 0
Dec 1, 2006F17 mi1.5 mi1 / 0
Aug 9, 2024EF118 mi3.48 mi0 / 0

The strongest 12 of 58, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Millersburg

The Storm Prediction Center has 25 hail reports within 10 miles of Millersburg since 1988, made on 21 separate days. Of these, 14 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 2 days, most recently July 22, 2003. The most recent report is from August 18, 2024. May and June have the most reports, 8 each.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Millersburg

The nearest NOAA station with 1991–2020 climate normals is Dehart Dam, PA, 12 miles southeast of Millersburg at 537 feet. July is the warmest, with an average high of 84°F and low of 60°F; January is the coolest, at 37°F and 20°F. September is the wettest at 5.6 inches of precipitation on average and February the driest at 2.8 inches; the year adds up to 50.9 inches over 87 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (27.7 of 50.9 inches); the other six months are drier. October has brought the most of the 22 tropical systems that passed within 75 miles (8); a normal October there has highs of 64°F and 4.5 inches of precipitation. Highs reach 90°F on about 14 days a year, almost all from June to September. Lows fall below freezing on about 128 nights a year. Snowfall averages 27.6 inches a year, most of it in January. That 50.9 inches is more than at 136 of the 148 Pennsylvania stations used on this site (92%). Liverpool, 4 miles northwest, has its own station (Selinsgrove 2 S, PA): 43.3 inches a year, 7.6 less than here, and a July average high of 85°F against 84°F.

Monthly climate normals 1991–2020 at Dehart Dam, PA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan37203.668.4
Feb40212.868.3
Mar49283.975.1
Apr61374.580.6
May71474.490.0
Jun79564.980.0
Jul84605.180.0
Aug82594.380.0
Sep75525.670.0
Oct64414.570.0
Nov52323.360.8
Dec42254.074.4
Year614050.98727.6

Averages for 1991–2020 at Dehart Dam, PA (537 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Pennsylvania weather by month, station by station →

Floods, thunderstorm wind and lightning near Millersburg

Since 1996, the National Weather Service has logged 132 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Millersburg: 129 thunderstorm wind reports, 2 flash floods and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $719,000 in property and crop damage. The strongest thunderstorm gust on record here was 96 mph, on July 8, 2014.

  • December 1, 2006: thunderstorm wind 7 miles from the centre of Millersburg — $200,000 damage.

Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.

Flood insurance claims, disaster declarations and FEMA risk ratings

Flood insurance policyholders in Millersburg's ZIP code 17061 have filed 84 claims with the National Flood Insurance Program since 1979, and were paid $548,000 for buildings and contents, in the dollars of each year. The most came from Flooding in 1996: 22 claims (26% of all) and $152,000, then Tropical Storm Lee in 2011 with 19. The year with the most claims was 2011, with 24. 60% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 553 Pennsylvania cities on this site with 10 or more claims, 347 have fewer than Millersburg.

Flood insurance claims in Millersburg by named event
EventClaimsPaid
Flooding199622$152,000
Tropical Storm Lee201119$283,000

Dauphin County, which includes Millersburg, has been named in 22 federal disaster or emergency declarations since 1972, 16 of them major disasters (by incident: 7 floods, 5 hurricanes, 4 severe storms, 4 snowstorms). The latest major disaster declaration was Remnants of Hurricane Ida, on September 10, 2021. FEMA's National Risk Index gives Dauphin County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for inland flooding, strong wind and lightning; Relatively Moderate for hurricanes, tornadoes and heat waves; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $99.8 million a year, the 11th highest of 67 Pennsylvania counties; of the hazards above, the largest share, $75.0 million (75%), is from inland flooding.

Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. 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).

Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets 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).

What counts as a pass, the distances and the sources: how this storm history is built.

Cities near Millersburg