NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Delanson, 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
16 tropical systems have passed within 75 miles of Delanson, New York since 1851, 1 of them at hurricane strength; the most recent was Isaias in 2020. Since 1950, 33 tornadoes have touched down within 25 miles, 5 of them rated EF3 or stronger.
- Hurricanes
- 1
- Tropical storms
- 15
- Tornadoes
- 33
- EF3 or stronger
- 5
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Delanson
The strongest storm to pass near Delanson was an unnamed storm in 1938, a Category 1 hurricane with 82 mph winds when its centre passed 58 miles away. The record near Delanson begins with an unnamed storm in 1863; the most recent system was Isaias in 2020, a tropical storm 13 miles away. The 1890s and the 1970s were the busiest decades, with 3 systems each. Of the 16 systems, 2 have come since 2000. Of the 809 New York cities on this site, 49% have more hurricanes within 75 miles than Delanson. The strongest of the 33 tornadoes within 25 miles was an F4 on July 10, 1989; its path came within 10 miles. Of the 33, 2 had paths within 5 miles of the city centre, and 15 have come since 2000. May has had the most tornadoes, 10. The most recent tornado was on July 24, 2024. Delanson has more tornadoes within 25 miles than 63% of the 809 New York cities. Hail has been reported within 10 miles 33 times since 1972, with stones up to 3 inches (tea cup size). Of the 809 New York cities, 62% have more hail reports within 10 miles than Delanson.
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Tropical storms and hurricanes near Delanson
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | IsaiasAug 4 | 13 mi | Tropical storm (56 mph) | Category 1 |
| 2011 | IreneAug 28 | 58 mi | Tropical storm (58 mph) | Category 3 |
| 1979 | DavidSep 6 | 11 mi | Tropical storm (46 mph) | Category 5 |
| 1972 | AgnesJun 23 | 59 mi | Tropical storm (52 mph) | Category 1 |
| 1971 | DoriaAug 28 | 72 mi | Tropical storm (55 mph) | Tropical storm |
| 1952 | AbleSep 1 | 72 mi | Tropical storm (53 mph) | Category 2 |
| 1949 | Unnamed 1949 stormAug 29 | 9 mi | Tropical storm (54 mph) | Category 4 |
| 1938 | Unnamed 1938 stormSep 21 | 58 mi | Category 1 (82 mph) | Category 5 |
| 1929 | Unnamed 1929 stormOct 3 | 15 mi | Tropical storm (58 mph) | Category 4 |
| 1924 | Unnamed 1924 stormSep 30 | 62 mi | Tropical storm (63 mph) | Category 1 |
| 1899 | Unnamed 1899 stormNov 1 | 37 mi | Tropical storm (52 mph) | Category 2 |
| 1893 | Unnamed 1893 stormAug 29 | 54 mi | Tropical storm (63 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 53 mi | Tropical storm (72 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 23 | 23 mi | Tropical storm (71 mph) | Category 2 |
| 1866 | Unnamed 1866 stormOct 30 | 32 mi | Tropical storm (53 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 Delanson: 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 Delanson
By decade
- 2020s2
- 2010s10(1 EF3+)
- 2000s3
- 1990s10(1 EF3+)
- 1980s3(1 EF3+)
- 1970s3(1 EF3+)
- 1960s1(1 EF3+)
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 10, 1989 | F4 | 10 mi | 42 mi | 0 / 20 |
| May 22, 2014 | EF3 | 1 mi | 6.79 mi | 0 / 0 |
| May 31, 1998 | F3 | 24 mi | 30.5 mi | 0 / 68 |
| Jun 16, 1974 | F3 | 16 mi | 49.1 mi | 0 / 0 |
| Jun 24, 1960 | F3 | 16 mi | 16 mi | 0 / 9 |
| May 29, 2013 | EF2 | 6 mi | 12.8 mi | 0 / 1 |
| Jun 30, 2017 | EF1 | 19 mi | 0.25 mi | 0 / 0 |
| May 29, 2013 | EF1 | 19 mi | 0.75 mi | 0 / 0 |
| Sep 4, 2011 | EF1 | 10 mi | 6.97 mi | 0 / 0 |
| Aug 3, 2010 | EF1 | 13 mi | 0.2 mi | 0 / 0 |
| Aug 3, 2010 | EF1 | 14 mi | 0.21 mi | 0 / 0 |
| May 31, 2002 | F1 | 21 mi | 0.1 mi | 0 / 0 |
The strongest 12 of 33, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Delanson
The Storm Prediction Center has 33 hail reports within 10 miles of Delanson since 1972, made on 24 separate days. Of these, 20 were 1 inch across or larger, and one reached 2 inches. The largest, 3 inches (tea cup size), fell on May 22, 2014. The most recent report is from June 29, 2021. June and July have the most reports, 11 each.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Delanson
The nearest NOAA station with 1991–2020 climate normals is Cobleskill 2 ESE, NY, 14 miles southwest of Delanson at 1,169 feet. July is the warmest, with an average high of 80°F and low of 58°F; January is the coolest, at 31°F and 12°F. August is the wettest at 4.3 inches of precipitation on average and February the driest at 2.2 inches; the year adds up to 41.0 inches over 82 days with at least a tenth of an inch. June to November, the hurricane season months, bring 56% of the year's precipitation (23.0 of 41.0 inches); the other six months are drier. August has brought the most of the 16 tropical systems that passed within 75 miles (6); a normal August there has highs of 78°F and 4.3 inches of precipitation. Highs reach 90°F on about 4 days a year, almost all from July. Lows fall below freezing on about 155 nights a year. Snowfall averages 53.5 inches a year, most of it in January. That 41.0 inches is more than at 51 of the 137 New York stations used on this site (37%). Pattersonville, 9 miles northeast, has its own station (Albany Airport, NY): 40.9 inches a year, 0.1 less than here, and a July average high of 84°F against 80°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 31 | 12 | 2.5 | 6 | 13.7 |
| Feb | 33 | 13 | 2.2 | 5 | 10.7 |
| Mar | 41 | 21 | 3.1 | 6 | 12.4 |
| Apr | 55 | 33 | 3.4 | 7 | 1.5 |
| May | 67 | 44 | 3.7 | 8 | 0.0 |
| Jun | 75 | 54 | 4.2 | 8 | 0.0 |
| Jul | 80 | 58 | 4.2 | 8 | 0.0 |
| Aug | 78 | 57 | 4.3 | 8 | 0.0 |
| Sep | 71 | 49 | 3.6 | 7 | 0.0 |
| Oct | 59 | 38 | 3.9 | 7 | 0.4 |
| Nov | 46 | 29 | 2.8 | 5 | 1.7 |
| Dec | 36 | 20 | 3.1 | 7 | 13.1 |
| Year | 56 | 35 | 41.0 | 82 | 53.5 |
Averages for 1991–2020 at Cobleskill 2 ESE, NY (1,169 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 Delanson
Since 1996, the National Weather Service has logged 140 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Delanson: 104 thunderstorm wind reports, 19 flash floods, 14 floods, 2 lightning strikes and 1 heavy rain event. They killed 1 person and injured 1, and the NWS estimated $613,000 in property and crop damage. The strongest thunderstorm gust on record here was 74 mph, on July 2, 2014. Of the 798 New York cities on this site with a flash flood on record, 300 have had fewer than Delanson.
August 28, 2011: flash flood 6 miles from the centre of Delanson — 1 killed.
NWS: “Record flooding occurred along the Schoharie Creek in Montgomery County. Several homes on Colyer Road in Burtonsville were destroyed.”
August 21, 2011: lightning strike 5 miles from the centre of Delanson — 1 injured.
June 6, 2025: flash flood 8 miles from the centre of Delanson — $105,000 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
Schenectady County, which includes Delanson, has been named in 25 federal disaster or emergency declarations since 1987, 14 of them major disasters (by incident: 8 severe storms, 5 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 Schenectady County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for tornadoes, inland flooding and lightning; Relatively Low for hurricanes, hail, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $32.4 million a year, the 28th highest of 62 New York counties; of the hazards above, the largest share, $24.3 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 Delanson
- Schoharie, NY8 mi
- Pattersonville, NY9 mi
- Altamont, NY9 mi
- Berne, NY10 mi
- Amsterdam, NY13 mi
- Schenectady, NY13 mi
- Scotia, NY14 mi
- Voorheesville, NY14 mi
- Fultonville, NY14 mi
- Middleburgh, NY15 mi
- Guilderland, NY15 mi
- Fort Johnson, NY16 mi
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