NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Johnsonville, NY
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
18 tropical systems have passed within 75 miles of Johnsonville, New York since 1851, 2 of them at hurricane strength; the most recent was Isaias in 2020. Since 1950, 31 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.
- Hurricanes
- 2
- Tropical storms
- 16
- Tornadoes
- 31
- EF3 or stronger
- 3
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Johnsonville
The strongest storm to pass near Johnsonville was Gloria in 1985, a Category 1 hurricane with 82 mph winds when its centre passed 64 miles away. The closest pass by a hurricane was an unnamed storm in 1938, whose centre came within 22 miles. The record near Johnsonville begins with an unnamed storm in 1863; the most recent system was Isaias in 2020, a tropical storm 15 miles away. The 1890s and the 1970s were the busiest decades, with 3 systems each. Of the 18 systems, 2 have come since 2000. Johnsonville has more hurricanes within 75 miles than 51% of the 809 New York cities on this site. The highest rating among the 31 tornadoes within 25 miles is F3, reached 3 times; the most recent, on May 31, 1998, came within 2 miles. Of the 31, 6 had paths within 5 miles of the city centre, and 10 have come since 2000. May has had the most tornadoes, 9. The most recent tornado was on August 29, 2020. Johnsonville has more tornadoes within 25 miles than 56% of the 809 New York cities. Hail has been reported within 10 miles 47 times since 1959, with stones up to 2.75 inches (baseball size). Johnsonville has more hail reports within 10 miles than 58% of the 809 New York cities.
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Tropical storms and hurricanes near Johnsonville
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | IsaiasAug 4 | 15 mi | Tropical storm (55 mph) | Category 1 |
| 2011 | IreneAug 28 | 29 mi | Tropical storm (56 mph) | Category 3 |
| 1985 | GloriaSep 27 | 64 mi | Category 1 (82 mph) | Category 4 |
| 1979 | DavidSep 6 | 27 mi | Tropical storm (46 mph) | Category 5 |
| 1976 | BelleAug 10 | 59 mi | Tropical storm (40 mph) | Category 3 |
| 1971 | DoriaAug 28 | 46 mi | Tropical storm (54 mph) | Tropical storm |
| 1968 | Unnamed 1968 stormSep 11 | 44 mi | Tropical storm (58 mph) | Tropical storm |
| 1952 | AbleSep 2 | 56 mi | Tropical storm (51 mph) | Category 2 |
| 1949 | Unnamed 1949 stormAug 29 | 9 mi | Tropical storm (53 mph) | Category 4 |
| 1938 | Unnamed 1938 stormSep 21 | 22 mi | Category 1 (79 mph) | Category 5 |
| 1929 | Unnamed 1929 stormOct 3 | 40 mi | Tropical storm (58 mph) | Category 4 |
| 1924 | Unnamed 1924 stormOct 1 | 37 mi | Tropical storm (63 mph) | Category 1 |
| 1899 | Unnamed 1899 stormNov 1 | 20 mi | Tropical storm (52 mph) | Category 2 |
| 1893 | Unnamed 1893 stormAug 29 | 35 mi | Tropical storm (62 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 22 mi | Tropical storm (70 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 24 | 13 mi | Tropical storm (68 mph) | Category 2 |
| 1866 | Unnamed 1866 stormOct 30 | overhead | Tropical storm (52 mph) | Tropical storm |
| 1863 | Unnamed 1863 stormSep 19 | 62 mi | Tropical storm (46 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Johnsonville: 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 Johnsonville
By decade
- 2020s3
- 2010s4
- 2000s3
- 1990s9(1 EF3+)
- 1980s3
- 1970s5(1 EF3+)
- 1960s3(1 EF3+)
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 31, 1998 | F3 | 2 mi | 30.5 mi | 0 / 68 |
| Jun 16, 1974 | F3 | 20 mi | 49.1 mi | 0 / 0 |
| Jun 24, 1960 | F3 | 12 mi | 16 mi | 0 / 9 |
| May 29, 2013 | EF2 | 25 mi | 12.8 mi | 0 / 1 |
| May 31, 1998 | F2 | 21 mi | 8 mi | 0 / 0 |
| Aug 28, 1973 | F2 | 1 mi | 2.3 mi | 0 / 1 |
| Mar 1, 1966 | F2 | 24 mi | 0.1 mi | 0 / 0 |
| Mar 22, 1955 | F2 | 16 mi | 0.1 mi | 0 / 0 |
| Aug 29, 2020 | EF1 | 4 mi | 2.17 mi | 0 / 0 |
| Aug 29, 2020 | EF1 | 11 mi | 0.26 mi | 0 / 1 |
| May 15, 2020 | EF1 | 23 mi | 1.78 mi | 0 / 0 |
| Aug 21, 2019 | EF1 | 18 mi | 0.38 mi | 0 / 0 |
The strongest 12 of 31, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Johnsonville
The Storm Prediction Center has 47 hail reports within 10 miles of Johnsonville since 1959, made on 33 separate days. Of these, 21 were 1 inch across or larger, and 2 reached 2 inches. The largest, 2.75 inches (baseball size), fell on June 1, 2011. The most recent report is from June 6, 2023. June has the most reports, 19.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Johnsonville
The nearest NOAA station with 1991–2020 climate normals is Grafton, NY, 8 miles south of Johnsonville at 1,560 feet. July is the warmest, with an average high of 78°F and low of 59°F; January is the coolest, at 30°F and 14°F. October is the wettest at 4.7 inches of precipitation on average and February the driest at 2.6 inches; the year adds up to 47.1 inches over 96 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (25.2 of 47.1 inches); the other six months are drier. August has brought the most of the 18 tropical systems that passed within 75 miles (7); a normal August there has highs of 77°F and 4.0 inches of precipitation. Highs reach 90°F on about 1 days a year. Lows fall below freezing on about 152 nights a year. That 47.1 inches is more than at 99 of the 137 New York stations used on this site (72%). Hoosick Falls, 7 miles east, has its own station (Bennington Morse St Airport, VT): 38.8 inches a year, 8.3 less than here, and a July average high of 81°F against 78°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 30 | 14 | 3.0 | 8 |
| Feb | 32 | 16 | 2.6 | 6 |
| Mar | 41 | 23 | 3.7 | 9 |
| Apr | 55 | 35 | 4.4 | 8 |
| May | 67 | 46 | 4.4 | 9 |
| Jun | 74 | 54 | 4.5 | 8 |
| Jul | 78 | 59 | 4.3 | 8 |
| Aug | 77 | 58 | 4.0 | 8 |
| Sep | 69 | 51 | 4.2 | 8 |
| Oct | 58 | 41 | 4.7 | 8 |
| Nov | 45 | 30 | 3.5 | 8 |
| Dec | 34 | 21 | 3.8 | 9 |
| Year | 55 | 37 | 47.1 | 96 |
Averages for 1991–2020 at Grafton, NY (1,560 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.
Floods, thunderstorm wind and lightning near Johnsonville
Since 1996, the National Weather Service has logged 269 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Johnsonville: 215 thunderstorm wind reports, 28 floods, 22 flash floods, 3 lightning strikes and 1 heavy rain event. They killed 0 people and injured 4, and the NWS estimated $2.6 million in property and crop damage. The strongest thunderstorm gust on record here was 115 mph, on July 6, 1999. July has had the most flash floods, 10 of 22. Of the 798 New York cities on this site with a flash flood on record, 352 have had fewer than Johnsonville.
September 21, 1998: thunderstorm wind 10 miles from the centre of Johnsonville — 2 injured, $20,000 damage.
September 4, 2011: thunderstorm wind 5 miles from the centre of Johnsonville — 1 injured.
July 19, 2015: thunderstorm wind 7 miles from the centre of Johnsonville — 1 injured.
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
Rensselaer County, which includes Johnsonville, has been named in 29 federal disaster or emergency declarations since 1973, 18 of them major disasters (by incident: 10 severe storms, 6 hurricanes, 5 snowstorms, 2 biological emergencies). The latest major disaster declaration was Covid-19 Pandemic, on March 20, 2020. FEMA's National Risk Index gives Rensselaer County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, hail, inland flooding, strong wind and lightning; Relatively Low for hurricanes and heat waves. It models the county's expected loss from all 18 hazards it covers at $49.0 million a year, the 21st highest of 62 New York counties; of the hazards above, the largest share, $36.6 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 Johnsonville
- Schaghticoke, NY6 mi
- Hoosick Falls, NY7 mi
- Melrose, NY7 mi
- Stillwater, NY10 mi
- Mechanicville, NY11 mi
- Cambridge, NY11 mi
- Petersburg, NY11 mi
- Waterford, NY12 mi
- North Bennington, VT12 mi
- Greenwich, NY14 mi
- Troy, NY14 mi
- Cohoes, NY14 mi
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