NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Hartly, DE
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
51 tropical systems have passed within 75 miles of Hartly, Delaware since 1851, 4 of them at hurricane strength; the most recent was Ida in 2021. Since 1950, 49 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 4
- Tropical storms
- 47
- Tornadoes
- 49
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
2 deaths in all
What the records show for Hartly
The strongest storm to pass near Hartly was an unnamed storm in 1878, a Category 1 hurricane with 90 mph winds when its centre passed 65 miles away. The closest pass by a hurricane was an unnamed storm in 1904, whose centre came within 32 miles. The record near Hartly begins with an unnamed storm in 1856; the most recent system was Ida in 2021, a tropical storm 40 miles away. The busiest decade was the 2020s, with 5 systems. Of the 51 systems, 11 have come since 2000. Of the 37 Delaware cities on this site, 68% have more hurricanes within 75 miles than Hartly. The highest rating among the 49 tornadoes within 25 miles is F2 or EF2, reached 10 times; the most recent, on August 4, 2020, came within 9 miles. The deadliest, an F2 on July 21, 1983, killed 2 people. Of the 49, 6 had paths within 5 miles of the city centre, and 14 have come since 2000. July has had the most tornadoes, 17. The most recent tornado was on July 9, 2023. Hartly has more tornadoes within 25 miles than 51% of the 37 Delaware cities. Hail has been reported within 10 miles 23 times since 1968, with stones up to 1.75 inches (golf ball size). Hartly has more hail reports within 10 miles than 75% of the 37 Delaware cities.
Compare Hartly's storm record with another city →
Tropical storms and hurricanes near Hartly
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2021 | IdaSep 1 | 40 mi | Tropical storm (39 mph) | Category 4 |
| 2021 | ElsaJul 9 | 44 mi | Tropical storm (58 mph) | Category 1 |
| 2020 | ZetaOct 29 | 46 mi | Tropical storm (52 mph) | Category 3 |
| 2020 | IsaiasAug 4 | 16 mi | Tropical storm (67 mph) | Category 1 |
| 2020 | FayJul 10 | 70 mi | Tropical storm (54 mph) | Tropical storm |
| 2013 | AndreaJun 8 | 55 mi | Tropical storm (46 mph) | Tropical storm |
| 2012 | SandyOct 30 | 42 mi | Tropical storm (70 mph) | Category 3 |
| 2011 | IreneAug 28 | 60 mi | Tropical storm (71 mph) | Category 3 |
| 2008 | HannaSep 6 | 15 mi | Tropical storm (52 mph) | Category 1 |
| 2006 | ErnestoSep 2 | 53 mi | Tropical storm (45 mph) | Category 1 |
| 2004 | JeanneSep 29 | 59 mi | Tropical storm (40 mph) | Category 3 |
| 1999 | FloydSep 16 | 57 mi | Tropical storm (66 mph) | Category 4 |
| 1996 | BerthaJul 13 | 14 mi | Tropical storm (69 mph) | Category 3 |
| 1992 | DanielleSep 26 | 5 mi | Tropical storm (43 mph) | Tropical storm |
| 1971 | DoriaAug 28 | 38 mi | Tropical storm (68 mph) | Tropical storm |
| 1963 | Unnamed 1963 stormJun 3 | 71 mi | Tropical storm (46 mph) | Tropical storm |
| 1961 | Unnamed 1961 stormSep 15 | 51 mi | Tropical storm (59 mph) | Tropical storm |
| 1960 | BrendaJul 30 | 35 mi | Tropical storm (58 mph) | Tropical storm |
| 1955 | DianeAug 18 | 61 mi | Tropical storm (40 mph) | Category 2 |
| 1955 | ConnieAug 13 | 48 mi | Tropical storm (59 mph) | Category 4 |
| 1952 | AbleSep 1 | 65 mi | Tropical storm (58 mph) | Category 2 |
| 1944 | Unnamed 1944 stormOct 21 | 69 mi | Tropical storm (46 mph) | Category 4 |
| 1944 | Unnamed 1944 stormAug 3 | 27 mi | Tropical storm (40 mph) | Category 1 |
| 1943 | Unnamed 1943 stormOct 1 | 54 mi | Tropical storm (46 mph) | Tropical storm |
| 1934 | Unnamed 1934 stormJun 19 | 35 mi | Tropical storm (46 mph) | Category 2 |
| 1929 | Unnamed 1929 stormOct 2 | 47 mi | Tropical storm (58 mph) | Category 4 |
| 1928 | Unnamed 1928 stormAug 12 | 65 mi | Tropical storm (58 mph) | Category 2 |
| 1924 | Unnamed 1924 stormSep 30 | 42 mi | Tropical storm (72 mph) | Category 1 |
| 1916 | Unnamed 1916 stormMay 17 | 57 mi | Tropical storm (51 mph) | Tropical storm |
| 1915 | Unnamed 1915 stormAug 4 | 51 mi | Tropical storm (51 mph) | Category 1 |
| 1904 | Unnamed 1904 stormSep 15 | 32 mi | Category 1 (74 mph) | Category 1 |
| 1903 | Unnamed 1903 stormSep 16 | 54 mi | Category 1 (81 mph) | Category 2 |
| 1902 | Unnamed 1902 stormOct 12 | 68 mi | Tropical storm (40 mph) | Category 2 |
| 1902 | Unnamed 1902 stormJun 16 | 57 mi | Tropical storm (46 mph) | Tropical storm |
| 1899 | Unnamed 1899 stormNov 1 | 34 mi | Tropical storm (58 mph) | Category 2 |
| 1894 | Unnamed 1894 stormOct 10 | 70 mi | Category 1 (82 mph) | Category 3 |
| 1893 | Unnamed 1893 stormOct 23 | 44 mi | Tropical storm (45 mph) | Tropical storm |
| 1893 | Unnamed 1893 stormAug 29 | 61 mi | Tropical storm (63 mph) | Category 3 |
| 1888 | Unnamed 1888 stormSep 11 | 23 mi | Tropical storm (40 mph) | Tropical storm |
| 1886 | Unnamed 1886 stormJul 2 | 69 mi | Tropical storm (40 mph) | Category 2 |
| 1882 | Unnamed 1882 stormSep 23 | 45 mi | Tropical storm (46 mph) | Tropical storm |
| 1882 | Unnamed 1882 stormSep 11 | 67 mi | Tropical storm (58 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 23 | 65 mi | Category 1 (90 mph) | Category 2 |
| 1877 | Unnamed 1877 stormOct 4 | 27 mi | Tropical storm (67 mph) | Category 3 |
| 1874 | Unnamed 1874 stormSep 29 | 19 mi | Tropical storm (58 mph) | Category 1 |
| 1872 | Unnamed 1872 stormOct 26 | 18 mi | Tropical storm (46 mph) | Category 1 |
| 1866 | Unnamed 1866 stormOct 30 | 74 mi | Tropical storm (67 mph) | Tropical storm |
| 1863 | Unnamed 1863 stormSep 19 | 24 mi | Tropical storm (56 mph) | Tropical storm |
| 1861 | Unnamed 1861 stormSep 27 | 34 mi | Tropical storm (69 mph) | Category 1 |
| 1859 | Unnamed 1859 stormSep 17 | 73 mi | Tropical storm (67 mph) | Category 1 |
| 1856 | Unnamed 1856 stormAug 20 | 66 mi | Tropical storm (58 mph) | Tropical storm |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Hartly: 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 Hartly
By decade
- 2020s8
- 2010s4
- 2000s2
- 1990s17
- 1980s3
- 1970s9
- 1960s3
- 1950s3
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Jul 21, 1983 | F2 | 2 mi | 1 mi | 2 / 9 |
| Aug 4, 2020 | EF2 | 9 mi | 35.78 mi | 0 / 0 |
| May 18, 1995 | F2 | 20 mi | 10 mi | 0 / 0 |
| Jul 27, 1994 | F2 | 21 mi | 4 mi | 0 / 0 |
| Jul 31, 1992 | F2 | 13 mi | 4 mi | 0 / 0 |
| Jun 9, 1977 | F2 | 15 mi | 0.2 mi | 0 / 1 |
| Mar 21, 1976 | F2 | 13 mi | 0.2 mi | 0 / 0 |
| Jul 30, 1971 | F2 | 12 mi | 8.3 mi | 0 / 0 |
| Jan 27, 1967 | F2 | 11 mi | 0.5 mi | 0 / 7 |
| Jul 1, 1954 | F2 | 21 mi | 1 mi | 0 / 0 |
| Jul 9, 2023 | EF1 | 24 mi | 1.19 mi | 0 / 0 |
| Jul 1, 2021 | EF1 | 23 mi | 4.7 mi | 0 / 0 |
The strongest 12 of 49, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Hartly
The Storm Prediction Center has 23 hail reports within 10 miles of Hartly since 1968, made on 18 separate days. Of these, 6 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 3 days, most recently April 1, 1993. The most recent report is from April 15, 2023. June has the most reports, 11.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Hartly
The nearest NOAA station with 1991–2020 climate normals is Dover, DE, 11 miles east of Hartly at 30 feet. July is the warmest, with an average high of 87°F and low of 69°F; January is the coolest, at 44°F and 28°F. August is the wettest at 4.9 inches of precipitation on average and February the driest at 3.1 inches; the year adds up to 47.7 inches over 74 days with at least a tenth of an inch. June to November, the hurricane season months, bring 53% of the year's precipitation (25.4 of 47.7 inches); the other six months are drier. September has brought the most of the 51 tropical systems that passed within 75 miles (18); a normal September there has highs of 79°F and 4.3 inches of precipitation. Highs reach 90°F on about 25 days a year, almost all from May to September. Lows fall below freezing on about 79 nights a year. Snowfall averages 13.2 inches a year, most of it in February. That 47.7 inches is more than at 8 of the 11 Delaware stations used on this site (73%). Millington, MD, 11 miles northwest, has its own station (Chestertown, MD): 46.1 inches a year, 1.6 less than here, and the same July average high, 87°F.
Sea level at the Chesapeake City tide gauge, 27 miles from Hartly, has risen 1.76 ± 0.12 inches per decade from 1972 to 2025, NOAA's linear trend; at that pace it is 17.6 inches in a hundred years. That is faster than at 111 of the 144 U.S. gauges with a NOAA trend.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 44 | 28 | 3.4 | 6 | 4.1 |
| Feb | 47 | 29 | 3.1 | 7 | 5.9 |
| Mar | 55 | 35 | 4.2 | 7 | 0.6 |
| Apr | 66 | 45 | 3.7 | 7 | 0.0 |
| May | 74 | 54 | 3.9 | 7 | 0.0 |
| Jun | 83 | 64 | 4.6 | 7 | 0.0 |
| Jul | 87 | 69 | 4.1 | 6 | 0.0 |
| Aug | 85 | 67 | 4.9 | 6 | 0.0 |
| Sep | 79 | 61 | 4.3 | 6 | 0.0 |
| Oct | 69 | 50 | 4.1 | 5 | 0.0 |
| Nov | 58 | 39 | 3.4 | 5 | 0.0 |
| Dec | 49 | 32 | 4.0 | 7 | 2.6 |
| Year | 66 | 48 | 47.7 | 74 | 13.2 |
Averages for 1991–2020 at Dover, DE (30 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 Hartly
Since 1996, the National Weather Service has logged 194 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hartly: 144 thunderstorm wind reports, 24 heavy rain events, 13 flash floods, 11 floods and 2 lightning strikes. They killed 0 people and injured 2, and the NWS estimated $2.1 million in property and crop damage. The strongest thunderstorm gust on record here was 92 mph, on March 16, 2026. August has had the most flash floods, 8 of 13. Of the 37 Delaware cities on this site with a flash flood on record, 16 have had fewer than Hartly.
February 12, 1999: thunderstorm wind 9 miles from the centre of Hartly — 1 injured, $200,000 damage.
March 16, 2026: thunderstorm wind 5 miles from the centre of Hartly — 1 injured.
June 26, 1998: thunderstorm wind 9 miles from the centre of Hartly — $1.5 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
Kent County, which includes Hartly, has been named in 17 federal disaster or emergency declarations since 1965, 11 of them major disasters (by incident: 7 hurricanes, 4 snowstorms, 2 biological emergencies, 1 drought). The latest major disaster declaration was Severe Winter Storm, on May 29, 2026. FEMA's National Risk Index gives Kent County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively Moderate for hurricanes, tornadoes, inland flooding, coastal flooding, strong wind, lightning and heat waves; Relatively Low for hail. It models the county's expected loss from all 18 hazards it covers at $55.8 million a year, the 3rd highest of 3 Delaware counties; of the hazards above, the largest share, $23.5 million (42%), 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 Hartly
- Camden, DE7 mi
- Clayton, DE8 mi
- Dover, DE9 mi
- Millington, MD11 mi
- Felton, DE11 mi
- Smyrna, DE12 mi
- Magnolia, DE13 mi
- Greensboro, MD13 mi
- Church Hill, MD14 mi
- Frederica, DE15 mi
- Galena, MD16 mi
- Townsend, DE16 mi
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