NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Jamison, 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
35 tropical systems have passed within 75 miles of Jamison, Pennsylvania since 1851, 3 of them at hurricane strength; the most recent was Ida in 2021. Since 1950, 80 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.
- Hurricanes
- 3
- Tropical storms
- 32
- Tornadoes
- 80
- EF3 or stronger
- 5
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
6 deaths in all
What the records show for Jamison
The strongest storm to pass near Jamison was an unnamed storm in 1893, a Category 1 hurricane with 87 mph winds when its centre passed 63 miles away. The closest pass by a hurricane was an unnamed storm in 1878, whose centre came within 56 miles. The record near Jamison begins with an unnamed storm in 1861; the most recent system was Ida in 2021, a tropical storm 20 miles away. The 1870s and the 2020s were the busiest decades, with 4 systems each. Of the 35 systems, 7 have come since 2000. Jamison has more hurricanes within 75 miles than 89% of the 794 Pennsylvania cities on this site. The highest rating among the 80 tornadoes within 25 miles is F3 or EF3, reached 5 times; the most recent, on July 29, 2021, came within 10 miles. The deadliest, an F3 on July 27, 1994, killed 3 people. Of the 80, 7 had paths within 5 miles of the city centre, and 32 have come since 2000. July has had the most tornadoes, 17. The most recent tornado was on June 14, 2024. Jamison has more tornadoes within 25 miles than 83% of the 794 Pennsylvania cities. Hail has been reported within 10 miles 53 times since 1975, with stones up to 2 inches (hen egg size). Of the 794 Pennsylvania cities, 50% have more hail reports within 10 miles than Jamison.
Compare Jamison's storm record with another city →
Tropical storms and hurricanes near Jamison
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2021 | IdaSep 2 | 20 mi | Tropical storm (41 mph) | Category 4 |
| 2021 | ElsaJul 9 | 74 mi | Tropical storm (58 mph) | Category 1 |
| 2020 | IsaiasAug 4 | 17 mi | Tropical storm (64 mph) | Category 1 |
| 2020 | FayJul 11 | 42 mi | Tropical storm (40 mph) | Tropical storm |
| 2012 | SandyOct 30 | 41 mi | Tropical storm (72 mph) | Category 3 |
| 2011 | IreneAug 28 | 50 mi | Tropical storm (64 mph) | Category 3 |
| 2008 | HannaSep 6 | 36 mi | Tropical storm (52 mph) | Category 1 |
| 1999 | FloydSep 16 | 63 mi | Tropical storm (61 mph) | Category 4 |
| 1996 | BerthaJul 13 | 28 mi | Tropical storm (69 mph) | Category 3 |
| 1992 | DanielleSep 26 | 62 mi | Tropical storm (40 mph) | Tropical storm |
| 1971 | DoriaAug 28 | 40 mi | Tropical storm (63 mph) | Tropical storm |
| 1961 | Unnamed 1961 stormSep 15 | 66 mi | Tropical storm (61 mph) | Tropical storm |
| 1960 | BrendaJul 30 | 49 mi | Tropical storm (58 mph) | Tropical storm |
| 1955 | DianeAug 19 | 6 mi | Tropical storm (43 mph) | Category 2 |
| 1952 | AbleSep 1 | 26 mi | Tropical storm (58 mph) | Category 2 |
| 1934 | Unnamed 1934 stormJun 19 | 20 mi | Tropical storm (46 mph) | Category 2 |
| 1929 | Unnamed 1929 stormOct 3 | 51 mi | Tropical storm (58 mph) | Category 4 |
| 1924 | Unnamed 1924 stormSep 30 | 41 mi | Tropical storm (70 mph) | Category 1 |
| 1915 | Unnamed 1915 stormAug 4 | 12 mi | Tropical storm (54 mph) | Category 1 |
| 1904 | Unnamed 1904 stormSep 15 | 65 mi | Category 1 (76 mph) | Category 1 |
| 1903 | Unnamed 1903 stormSep 16 | 6 mi | Tropical storm (63 mph) | Category 2 |
| 1900 | Unnamed 1900 stormOct 14 | 70 mi | Tropical storm (40 mph) | Tropical storm |
| 1899 | Unnamed 1899 stormNov 1 | 25 mi | Tropical storm (56 mph) | Category 2 |
| 1893 | Unnamed 1893 stormAug 29 | 31 mi | Tropical storm (63 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 63 mi | Category 1 (87 mph) | Category 3 |
| 1888 | Unnamed 1888 stormSep 11 | 51 mi | Tropical storm (40 mph) | Tropical storm |
| 1888 | Unnamed 1888 stormAug 22 | 48 mi | Tropical storm (46 mph) | Category 3 |
| 1882 | Unnamed 1882 stormSep 24 | 64 mi | Tropical storm (46 mph) | Tropical storm |
| 1878 | Unnamed 1878 stormOct 23 | 56 mi | Category 1 (84 mph) | Category 2 |
| 1877 | Unnamed 1877 stormOct 5 | 58 mi | Tropical storm (69 mph) | Category 3 |
| 1874 | Unnamed 1874 stormSep 29 | 38 mi | Tropical storm (63 mph) | Category 1 |
| 1872 | Unnamed 1872 stormOct 26 | 37 mi | Tropical storm (46 mph) | Category 1 |
| 1866 | Unnamed 1866 stormOct 30 | 49 mi | Tropical storm (62 mph) | Tropical storm |
| 1863 | Unnamed 1863 stormSep 19 | 26 mi | Tropical storm (52 mph) | Tropical storm |
| 1861 | Unnamed 1861 stormSep 28 | 46 mi | Tropical storm (66 mph) | Category 1 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Jamison: 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 Jamison
By decade
- 2020s21(1 EF3+)
- 2010s5
- 2000s6
- 1990s19(2 EF3+)
- 1980s12
- 1970s3
- 1960s8(1 EF3+)
- 1950s6(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 27, 1994 | F3 | 23 mi | 2 mi | 3 / 25 |
| Mar 22, 1955 | F3 | 24 mi | 9.6 mi | 1 / 0 |
| Jul 29, 2021 | EF3 | 10 mi | 3.4 mi | 0 / 0 |
| Oct 18, 1990 | F3 | 23 mi | 0.5 mi | 0 / 8 |
| Jun 24, 1960 | F3 | 17 mi | 12.9 mi | 0 / 0 |
| Sep 1, 2021 | EF2 | 5 mi | 8.28 mi | 1 / 2 |
| Feb 21, 2023 | EF2 | 21 mi | 5.8 mi | 0 / 0 |
| Jul 29, 2021 | EF2 | 10 mi | 6.31 mi | 0 / 0 |
| Aug 4, 2020 | EF2 | in town | 20.77 mi | 0 / 18 |
| May 31, 1998 | F2 | 10 mi | 5.6 mi | 0 / 0 |
| Jun 9, 1989 | F2 | 21 mi | 2 mi | 0 / 1 |
| Aug 17, 1988 | F2 | 17 mi | 4.5 mi | 0 / 0 |
The strongest 12 of 80, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Jamison
The Storm Prediction Center has 53 hail reports within 10 miles of Jamison since 1975, made on 38 separate days. Of these, 23 were 1 inch across or larger, and 2 reached 2 inches. The largest size, 2 inches (hen egg size), was reported on 2 days, most recently March 21, 2003. The most recent report is from September 8, 2023. May has the most reports, 19.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Jamison
The nearest NOAA station with 1991–2020 climate normals is Doylestown Airport, PA, 5 miles north of Jamison at 394 feet. July is the warmest, with an average high of 86°F and low of 65°F; January is the coolest, at 39°F and 23°F. July is the wettest at 5.5 inches of precipitation on average and February the driest at 2.5 inches; the year adds up to 48.0 inches over 78 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (26.2 of 48.0 inches); the other six months are drier. September has brought the most of the 35 tropical systems that passed within 75 miles (14); a normal September there has highs of 77°F and 4.4 inches of precipitation. Highs reach 90°F on about 20 days a year, almost all from June to September. Lows fall below freezing on about 106 nights a year. That 48.0 inches is more than at 111 of the 148 Pennsylvania stations used on this site (75%). Warminster, 3 miles south, has its own station (Neshaminy Falls, PA): 50.8 inches a year, 2.8 more than here, and the same July average high, 86°F.
Water temperature at the NOAA tide station Burlington, Delaware River, NJ, 17 miles southeast, averaged 80°F in July and 37°F in January over 2021–2025. It averaged 80°F or warmer from July. Sea level at the Philadelphia tide gauge, 23 miles from Jamison, has risen 1.24 ± 0.04 inches per decade from 1900 to 2025, NOAA's linear trend; at that pace it is 12.4 inches in a hundred years. That is faster than at 73 of the 144 U.S. gauges with a NOAA trend.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Water °F |
|---|---|---|---|---|---|
| Jan | 39 | 23 | 3.2 | 5 | 37 |
| Feb | 42 | 25 | 2.5 | 5 | 37 |
| Mar | 50 | 31 | 3.9 | 7 | 45 |
| Apr | 63 | 41 | 3.9 | 7 | 54 |
| May | 72 | 51 | 4.3 | 7 | 64 |
| Jun | 81 | 60 | 4.2 | 7 | 73 |
| Jul | 86 | 65 | 5.5 | 8 | 80 |
| Aug | 84 | 63 | 4.9 | 7 | 78 |
| Sep | 77 | 57 | 4.4 | 6 | 72 |
| Oct | 65 | 45 | 3.8 | 6 | 62 |
| Nov | 54 | 36 | 3.4 | 5 | 50 |
| Dec | 44 | 28 | 4.0 | 7 | 39 |
| Year | 63 | 44 | 48.0 | 78 | 57 |
Averages for 1991–2020 at Doylestown Airport, PA (394 ft), from NOAA NCEI U.S. Climate Normals; water temperature: average of hourly readings 2021–2025 at the NOAA tide station Burlington, Delaware River, NJ, from NOAA Tides & Currents. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Jamison
Since 1996, the National Weather Service has logged 350 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Jamison: 248 thunderstorm wind reports, 59 flash floods, 26 floods, 13 lightning strikes and 4 heavy rain events. They killed 10 people and injured 23, and the NWS estimated $54.2 million in property and crop damage. The strongest thunderstorm gust on record here was 109 mph, on October 31, 2019. July has had the most flash floods, 18 of 59. Of the 788 Pennsylvania cities on this site with a flash flood on record, 555 have had fewer than Jamison.
July 15, 2023: flash flood 10 miles from the centre of Jamison — 7 killed.
September 1, 2021: flash flood 8 miles from the centre of Jamison — 1 killed, $26.0 million damage.
October 8, 2005: flash flood 4 miles from the centre of Jamison — 1 killed.
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
Bucks County, which includes Jamison, has been named in 27 federal disaster or emergency declarations since 1965, 20 of them major disasters (by incident: 8 hurricanes, 7 floods, 5 severe storms, 3 snowstorms). The latest major disaster declaration was Remnants of Hurricane Ida, on September 10, 2021. FEMA's National Risk Index gives Bucks County a Relatively High rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, inland flooding, strong wind and lightning; Relatively Moderate for hurricanes, coastal flooding and heat waves; Relatively Low for hail. It models the county's expected loss from all 18 hazards it covers at $202.6 million a year, the 4th highest of 67 Pennsylvania counties; of the hazards above, the largest share, $141.2 million (70%), 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.