NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit South Royalton, VT
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 South Royalton, Vermont since 1851, 2 of them at hurricane strength; the most recent was Isaias in 2020. Since 1950, 6 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 2
- Tropical storms
- 16
- Tornadoes
- 6
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for South Royalton
The strongest storm to pass near South Royalton was Carol in 1954, a Category 1 hurricane with 85 mph winds when its centre passed 62 miles away. The closest pass by a hurricane was Gloria in 1985, whose centre came within 53 miles. The record near South Royalton begins with an unnamed storm in 1866; the most recent system was Isaias in 2020, a tropical storm 31 miles away. The busiest decade was the 1890s, with 3 systems. Of the 18 systems, 2 have come since 2000. South Royalton has more hurricanes within 75 miles than 64% of the 75 Vermont cities on this site. The highest rating among the 6 tornadoes within 25 miles is F1 or EF1, reached 5 times; the most recent, on July 16, 2024, came within 19 miles. Of the 6, none had a path within 5 miles of the city centre, and 3 have come since 2000. Of the 75 Vermont cities, 79% have more tornadoes within 25 miles than South Royalton. Hail has been reported within 10 miles 14 times since 1986, with stones up to 1.75 inches (golf ball size). Of the 75 Vermont cities, 96% have more hail reports within 10 miles than South Royalton.
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Tropical storms and hurricanes near South Royalton
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2020 | IsaiasAug 4 | 31 mi | Tropical storm (52 mph) | Category 1 |
| 2011 | IreneAug 28 | 9 mi | Tropical storm (53 mph) | Category 3 |
| 1985 | GloriaSep 27 | 53 mi | Category 1 (74 mph) | Category 4 |
| 1979 | DavidSep 6 | 2 mi | Tropical storm (48 mph) | Category 5 |
| 1971 | DoriaAug 28 | 33 mi | Tropical storm (52 mph) | Tropical storm |
| 1968 | Unnamed 1968 stormSep 11 | 9 mi | Tropical storm (53 mph) | Tropical storm |
| 1960 | BrendaJul 31 | 72 mi | Tropical storm (45 mph) | Tropical storm |
| 1954 | CarolAug 31 | 62 mi | Category 1 (85 mph) | Category 3 |
| 1949 | Unnamed 1949 stormAug 29 | 2 mi | Tropical storm (52 mph) | Category 4 |
| 1938 | Unnamed 1938 stormSep 22 | 36 mi | Tropical storm (67 mph) | Category 5 |
| 1934 | Unnamed 1934 stormSep 9 | 67 mi | Tropical storm (45 mph) | Category 2 |
| 1929 | Unnamed 1929 stormOct 3 | 46 mi | Tropical storm (56 mph) | Category 4 |
| 1923 | Unnamed 1923 stormOct 19 | 48 mi | Tropical storm (43 mph) | Tropical storm |
| 1899 | Unnamed 1899 stormNov 1 | 30 mi | Tropical storm (52 mph) | Category 2 |
| 1893 | Unnamed 1893 stormAug 29 | 43 mi | Tropical storm (60 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 24 | 9 mi | Tropical storm (67 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 24 | 69 mi | Tropical storm (62 mph) | Category 2 |
| 1866 | Unnamed 1866 stormOct 30 | 33 mi | Tropical storm (48 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in South Royalton: 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 South Royalton
By decade
- 2020s1
- 2000s2
- 1990s1
- 1970s2
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 16, 2024 | EF1 | 19 mi | 1.8 mi | 0 / 0 |
| May 9, 2009 | EF1 | 21 mi | 0.55 mi | 0 / 0 |
| Aug 13, 1999 | F1 | 19 mi | 8 mi | 0 / 0 |
| Aug 9, 1972 | F1 | 21 mi | 3.6 mi | 0 / 0 |
| Jul 21, 1972 | F1 | 22 mi | 7 mi | 0 / 0 |
| Jul 16, 2009 | EF0 | 17 mi | 2.71 mi | 0 / 0 |
The strongest 6 of 6, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in South Royalton
The Storm Prediction Center has 14 hail reports within 10 miles of South Royalton since 1986, made on 10 separate days. Of these, 7 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 May 29, 2012. The most recent report is from September 11, 2013. May has the most reports, 7.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in South Royalton
The nearest NOAA station with 1991–2020 climate normals is Woodstock, VT, 12 miles south of South Royalton at 600 feet. July is the warmest, with an average high of 82°F and low of 57°F; January is the coolest, at 30°F and 7°F. October is the wettest at 4.6 inches of precipitation on average and February the driest at 2.7 inches; the year adds up to 42.6 inches over 85 days with at least a tenth of an inch. June to November, the hurricane season months, bring 55% of the year's precipitation (23.5 of 42.6 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 80°F and 3.7 inches of precipitation. Highs reach 90°F on about 7 days a year, almost all from June to August. Lows fall below freezing on about 172 nights a year. That 42.6 inches is more than at 19 of the 33 Vermont stations used on this site (58%). Bethel, 6 miles west, has its own station (Rochester, VT): 48.9 inches a year, 6.3 more than here, and a July average high of 79°F against 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" |
|---|---|---|---|---|
| Jan | 30 | 7 | 2.9 | 6 |
| Feb | 33 | 9 | 2.7 | 6 |
| Mar | 41 | 19 | 3.2 | 6 |
| Apr | 55 | 31 | 3.5 | 7 |
| May | 68 | 43 | 3.6 | 8 |
| Jun | 77 | 53 | 4.1 | 9 |
| Jul | 82 | 57 | 3.9 | 8 |
| Aug | 80 | 55 | 3.7 | 7 |
| Sep | 73 | 47 | 3.6 | 6 |
| Oct | 59 | 36 | 4.6 | 8 |
| Nov | 46 | 26 | 3.6 | 6 |
| Dec | 35 | 16 | 3.2 | 8 |
| Year | 57 | 33 | 42.6 | 85 |
Averages for 1991–2020 at Woodstock, VT (600 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 South Royalton
Since 1996, the National Weather Service has logged 53 flood, rain, thunderstorm wind and lightning events that began within 10 miles of South Royalton: 46 thunderstorm wind reports, 4 flash floods and 3 floods. None is recorded as killing or injuring anyone; the NWS estimated $1.8 million in property and crop damage. The strongest thunderstorm gust on record here was 75 mph, on June 8, 2008.
July 11, 2007: flash flood 5 miles from the centre of South Royalton — $750,000 damage.
April 15, 2014: flood 7 miles from the centre of South Royalton — $300,000 damage.
April 27, 2011: flood 5 miles from the centre of South Royalton — $100,000 damage.
NWS: “Flood waters from heavy rain and snowmelt damaged White Brook Road in Sharon Vt.”
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 South Royalton's ZIP code 05068 have filed 16 claims with the National Flood Insurance Program since 1992, and were paid $619,000 for buildings and contents, in the dollars of each year. 63% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 43 Vermont cities on this site with 10 or more claims, 12 have fewer than South Royalton.
Windsor County, which includes South Royalton, has been named in 27 federal disaster or emergency declarations since 1969, 21 of them major disasters (by incident: 11 severe storms, 9 floods, 3 hurricanes, 2 biological emergencies). The latest major disaster declaration was Severe Storm and Flooding, on March 2, 2024. FEMA's National Risk Index gives Windsor County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for inland flooding and lightning; Relatively Low for hurricanes, tornadoes, strong wind and heat waves; Very Low for hail. It models the county's expected loss from all 18 hazards it covers at $25.1 million a year, the 2nd highest of 14 Vermont counties; of the hazards above, the largest share, $19.4 million (77%), 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 South Royalton
- Bethel, VT6 mi
- Randolph, VT12 mi
- Woodstock, VT12 mi
- White River Junction, VT13 mi
- Norwich, VT13 mi
- Hanover, NH15 mi
- West Lebanon, NH16 mi
- Hartland, VT18 mi
- Lebanon, NH18 mi
- Williamstown, VT21 mi
- Bradford, VT23 mi
- Windsor, VT23 mi
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