NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Slate Hill, 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
30 tropical systems have passed within 75 miles of Slate Hill, New York since 1851, 3 of them at hurricane strength; the most recent was Isaias in 2020. Since 1950, 23 tornadoes have touched down within 25 miles, 2 of them rated EF3 or stronger.
- Hurricanes
- 3
- Tropical storms
- 27
- Tornadoes
- 23
- EF3 or stronger
- 2
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
9 deaths in all
What the records show for Slate Hill
The strongest storm to pass near Slate Hill was Gloria in 1985, a Category 1 hurricane with 86 mph winds when its centre passed 74 miles away. The closest pass by a hurricane was an unnamed storm in 1878, whose centre came within 37 miles. The record near Slate Hill begins with an unnamed storm in 1861; the most recent system was Isaias in 2020, a tropical storm 14 miles away. The busiest decade was the 1970s, with 4 systems. Of the 30 systems, 3 have come since 2000. Slate Hill has more hurricanes within 75 miles than 57% of the 809 New York cities on this site. The highest rating among the 23 tornadoes within 25 miles is F3, reached 2 times; the most recent, on May 31, 1998, came within 23 miles. The deadliest, an F1 on November 16, 1989, killed 9 people. Of the 23, 3 had paths within 5 miles of the city centre, and 7 have come since 2000. July has had the most tornadoes, 8. The most recent tornado was on August 27, 2020. Of the 809 New York cities, 67% have more tornadoes within 25 miles than Slate Hill. Hail has been reported within 10 miles 14 times since 1975, with stones up to 2 inches (hen egg size). Of the 809 New York cities, 89% have more hail reports within 10 miles than Slate Hill.
Compare Slate Hill's storm record with another city →
Tropical storms and hurricanes near Slate Hill
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | IsaiasAug 4 | 14 mi | Tropical storm (61 mph) | Category 1 |
| 2011 | IreneAug 28 | 42 mi | Tropical storm (61 mph) | Category 3 |
| 2008 | HannaSep 7 | 70 mi | Tropical storm (52 mph) | Category 1 |
| 1999 | FloydSep 17 | 73 mi | Tropical storm (58 mph) | Category 4 |
| 1996 | BerthaJul 13 | 58 mi | Tropical storm (69 mph) | Category 3 |
| 1985 | GloriaSep 27 | 74 mi | Category 1 (86 mph) | Category 4 |
| 1979 | DavidSep 6 | 70 mi | Tropical storm (46 mph) | Category 5 |
| 1976 | BelleAug 10 | 71 mi | Tropical storm (69 mph) | Category 3 |
| 1972 | AgnesJun 22 | 30 mi | Tropical storm (53 mph) | Category 1 |
| 1971 | DoriaAug 28 | 42 mi | Tropical storm (58 mph) | Tropical storm |
| 1968 | Unnamed 1968 stormSep 11 | 72 mi | Tropical storm (63 mph) | Tropical storm |
| 1960 | BrendaJul 30 | 64 mi | Tropical storm (56 mph) | Tropical storm |
| 1955 | DianeAug 19 | 60 mi | Tropical storm (46 mph) | Category 2 |
| 1952 | AbleSep 1 | 13 mi | Tropical storm (55 mph) | Category 2 |
| 1949 | Unnamed 1949 stormAug 29 | 48 mi | Tropical storm (55 mph) | Category 4 |
| 1934 | Unnamed 1934 stormJun 19 | 75 mi | Tropical storm (46 mph) | Category 2 |
| 1929 | Unnamed 1929 stormOct 3 | 50 mi | Tropical storm (58 mph) | Category 4 |
| 1924 | Unnamed 1924 stormSep 30 | 41 mi | Tropical storm (67 mph) | Category 1 |
| 1915 | Unnamed 1915 stormAug 4 | 32 mi | Tropical storm (56 mph) | Category 1 |
| 1903 | Unnamed 1903 stormSep 16 | 56 mi | Tropical storm (63 mph) | Category 2 |
| 1899 | Unnamed 1899 stormNov 1 | 7 mi | Tropical storm (54 mph) | Category 2 |
| 1893 | Unnamed 1893 stormAug 29 | overhead | Tropical storm (63 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 42 mi | Category 1 (83 mph) | Category 3 |
| 1888 | Unnamed 1888 stormAug 22 | 15 mi | Tropical storm (46 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 23 | 37 mi | Category 1 (78 mph) | Category 2 |
| 1874 | Unnamed 1874 stormSep 30 | 57 mi | Tropical storm (69 mph) | Category 1 |
| 1872 | Unnamed 1872 stormOct 26 | 65 mi | Tropical storm (46 mph) | Category 1 |
| 1866 | Unnamed 1866 stormOct 30 | 26 mi | Tropical storm (58 mph) | Tropical storm |
| 1863 | Unnamed 1863 stormSep 19 | 29 mi | Tropical storm (48 mph) | Tropical storm |
| 1861 | Unnamed 1861 stormSep 28 | 60 mi | Tropical storm (62 mph) | Category 1 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Slate Hill: 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 Slate Hill
By decade
- 2020s1
- 2010s2
- 2000s4
- 1990s7(1 EF3+)
- 1980s6(1 EF3+)
- 1970s2
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 31, 1998 | F3 | 23 mi | 20 mi | 0 / 2 |
| Jul 14, 1988 | F3 | 4 mi | 7.2 mi | 0 / 1 |
| Jul 29, 2009 | EF2 | 8 mi | 6.56 mi | 0 / 0 |
| Jul 26, 1986 | F2 | 14 mi | 0.5 mi | 0 / 2 |
| Jun 16, 1974 | F2 | 8 mi | 2 mi | 0 / 0 |
| Jul 29, 1971 | F2 | 18 mi | 6.2 mi | 0 / 0 |
| Nov 16, 1989 | F1 | 15 mi | 9.1 mi | 9 / 18 |
| Aug 27, 2020 | EF1 | 14 mi | 2.6 mi | 0 / 0 |
| Oct 2, 2018 | EF1 | 25 mi | 2.12 mi | 0 / 0 |
| Jul 29, 2011 | EF1 | 10 mi | 4.67 mi | 0 / 0 |
| Sep 11, 1997 | F1 | 19 mi | 0.3 mi | 0 / 0 |
| Sep 28, 1996 | F1 | 21 mi | 1.7 mi | 0 / 1 |
The strongest 12 of 23, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Slate Hill
The Storm Prediction Center has 14 hail reports within 10 miles of Slate Hill since 1975. Of these, 6 were 1 inch across or larger, and one reached 2 inches. The largest, 2 inches (hen egg size), fell on July 19, 1987. The most recent report is from August 4, 2023. May and August have the most reports, 4 each.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Slate Hill
The nearest NOAA station with 1991–2020 climate normals is Middletown 2 NW, NY, 5 miles north of Slate Hill at 700 feet. July is the warmest, with an average high of 82°F and low of 62°F; January is the coolest, at 34°F and 18°F. June and October are the wettest at 4.6 inches of precipitation on average and February the driest at 2.1 inches; the year adds up to 44.4 inches over 80 days with at least a tenth of an inch. June to November, the hurricane season months, bring 57% of the year's precipitation (25.4 of 44.4 inches); the other six months are drier. September has brought the most of the 30 tropical systems that passed within 75 miles (11); a normal September there has highs of 73°F and 4.3 inches of precipitation. Highs reach 90°F on about 10 days a year, almost all from June to August. Lows fall below freezing on about 123 nights a year. That 44.4 inches is more than at 77 of the 137 New York stations used on this site (56%). Westtown, 5 miles southwest, has its own station (Port Jervis, NY): 47.2 inches a year, 2.8 more than here, and a July average high of 84°F against 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 34 | 18 | 2.6 | 7 |
| Feb | 37 | 18 | 2.1 | 5 |
| Mar | 47 | 26 | 3.0 | 7 |
| Apr | 60 | 38 | 4.0 | 7 |
| May | 70 | 48 | 3.8 | 8 |
| Jun | 78 | 57 | 4.6 | 8 |
| Jul | 82 | 62 | 4.2 | 7 |
| Aug | 81 | 60 | 4.5 | 6 |
| Sep | 73 | 53 | 4.3 | 6 |
| Oct | 62 | 43 | 4.6 | 6 |
| Nov | 50 | 33 | 3.2 | 7 |
| Dec | 39 | 24 | 3.5 | 7 |
| Year | 59 | 40 | 44.4 | 80 |
Averages for 1991–2020 at Middletown 2 NW, NY (700 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 Slate Hill
Since 1996, the National Weather Service has logged 132 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Slate Hill: 93 thunderstorm wind reports, 23 flash floods, 9 lightning strikes, 6 floods and 1 heavy rain event. They killed 0 people and injured 5, and the NWS estimated $8.1 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on May 18, 2000. July has had the most flash floods, 6 of 23. Of the 798 New York cities on this site with a flash flood on record, 370 have had fewer than Slate Hill.
June 16, 2007: lightning strike 8 miles from the centre of Slate Hill — 4 injured.
June 24, 2010: thunderstorm wind 5 miles from the centre of Slate Hill — 1 injured, $60,000 damage.
September 8, 2011: flood 7 miles from the centre of Slate Hill — $6.3 million 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
Orange County, which includes Slate Hill, has been named in 36 federal disaster or emergency declarations since 1965, 21 of them major disasters (by incident: 10 hurricanes, 10 severe storms, 4 floods, 4 snowstorms). The latest major disaster declaration was Severe Storms and Flooding, on July 22, 2023. FEMA's National Risk Index gives Orange 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; Relatively Low for hail and coastal flooding. It models the county's expected loss from all 18 hazards it covers at $98.7 million a year, the 11th highest of 62 New York counties; of the hazards above, the largest share, $63.2 million (64%), 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.