NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Nanjemoy, MD
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
38 tropical systems have passed within 75 miles of Nanjemoy, Maryland since 1851, 3 of them at hurricane strength; the most recent was Elsa in 2021. Since 1950, 79 tornadoes have touched down within 25 miles, 2 of them rated EF3 or stronger.
- Hurricanes
- 3
- Tropical storms
- 35
- Tornadoes
- 79
- EF3 or stronger
- 2
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
4 deaths in all
What the records show for Nanjemoy
The strongest storm to pass near Nanjemoy was an unnamed storm in 1878, a Category 1 hurricane with 94 mph winds when its centre passed 2 miles away. The record near Nanjemoy begins with an unnamed storm in 1859; the most recent system was Elsa in 2021, a tropical storm 68 miles away. The busiest decade was the 1870s, with 5 systems, one of them at hurricane strength. Of the 38 systems, 5 have come since 2000. Nanjemoy has more hurricanes within 75 miles than 14% of the 239 Maryland cities on this site. The strongest of the 79 tornadoes within 25 miles was an F4 on April 28, 2002; its path came within 9 miles, and it killed 3 people. Of the 79, one had a path within 5 miles of the city centre, and 48 have come since 2000. September has had the most tornadoes, 18. The most recent tornado was on August 8, 2024. Of the 239 Maryland cities, 69% have more tornadoes within 25 miles than Nanjemoy. Hail has been reported within 10 miles 25 times since 1968, with stones up to 1.75 inches (golf ball size). Of the 239 Maryland cities, 81% have more hail reports within 10 miles than Nanjemoy.
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Tropical storms and hurricanes near Nanjemoy
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 2021 | ElsaJul 9 | 68 mi | Tropical storm (55 mph) | Category 1 |
| 2020 | ZetaOct 29 | 23 mi | Tropical storm (52 mph) | Category 3 |
| 2020 | IsaiasAug 4 | 39 mi | Tropical storm (68 mph) | Category 1 |
| 2008 | HannaSep 6 | 48 mi | Tropical storm (52 mph) | Category 1 |
| 2006 | ErnestoSep 2 | 27 mi | Tropical storm (46 mph) | Category 1 |
| 1996 | BerthaJul 13 | 58 mi | Tropical storm (69 mph) | Category 3 |
| 1963 | Unnamed 1963 stormJun 3 | 49 mi | Tropical storm (41 mph) | Tropical storm |
| 1955 | DianeAug 18 | 52 mi | Tropical storm (45 mph) | Category 2 |
| 1955 | ConnieAug 13 | 42 mi | Tropical storm (62 mph) | Category 4 |
| 1954 | HazelOct 15 | 25 mi | Category 1 (85 mph) | Category 4 |
| 1952 | AbleSep 1 | 44 mi | Tropical storm (55 mph) | Category 2 |
| 1949 | Unnamed 1949 stormAug 29 | 53 mi | Tropical storm (58 mph) | Category 4 |
| 1945 | Unnamed 1945 stormSep 18 | 13 mi | Tropical storm (40 mph) | Category 4 |
| 1944 | Unnamed 1944 stormAug 2 | 28 mi | Tropical storm (40 mph) | Category 1 |
| 1943 | Unnamed 1943 stormOct 1 | 33 mi | Tropical storm (52 mph) | Tropical storm |
| 1934 | Unnamed 1934 stormJun 19 | 50 mi | Tropical storm (46 mph) | Category 2 |
| 1933 | Unnamed 1933 stormAug 23 | 5 mi | Tropical storm (66 mph) | Category 4 |
| 1929 | Unnamed 1929 stormOct 2 | 13 mi | Tropical storm (58 mph) | Category 4 |
| 1928 | Unnamed 1928 stormSep 20 | 23 mi | Tropical storm (55 mph) | Category 5 |
| 1928 | Unnamed 1928 stormAug 12 | 50 mi | Tropical storm (48 mph) | Category 2 |
| 1915 | Unnamed 1915 stormAug 4 | 33 mi | Tropical storm (46 mph) | Category 1 |
| 1904 | Unnamed 1904 stormSep 15 | 65 mi | Tropical storm (69 mph) | Category 1 |
| 1902 | Unnamed 1902 stormOct 12 | 42 mi | Tropical storm (40 mph) | Category 2 |
| 1902 | Unnamed 1902 stormJun 16 | 67 mi | Tropical storm (46 mph) | Tropical storm |
| 1899 | Unnamed 1899 stormNov 1 | 15 mi | Tropical storm (58 mph) | Category 2 |
| 1893 | Unnamed 1893 stormOct 23 | 48 mi | Tropical storm (44 mph) | Tropical storm |
| 1893 | Unnamed 1893 stormOct 13 | 51 mi | Category 1 (76 mph) | Category 3 |
| 1893 | Unnamed 1893 stormAug 29 | 38 mi | Tropical storm (63 mph) | Category 3 |
| 1888 | Unnamed 1888 stormSep 11 | 49 mi | Tropical storm (40 mph) | Tropical storm |
| 1886 | Unnamed 1886 stormJul 2 | 74 mi | Tropical storm (40 mph) | Category 2 |
| 1885 | Unnamed 1885 stormOct 13 | 50 mi | Tropical storm (46 mph) | Tropical storm |
| 1882 | Unnamed 1882 stormSep 11 | 68 mi | Tropical storm (52 mph) | Category 3 |
| 1878 | Unnamed 1878 stormOct 23 | 2 mi | Category 1 (94 mph) | Category 2 |
| 1877 | Unnamed 1877 stormOct 4 | 58 mi | Tropical storm (62 mph) | Category 3 |
| 1876 | Unnamed 1876 stormSep 18 | 9 mi | Tropical storm (68 mph) | Category 3 |
| 1874 | Unnamed 1874 stormSep 29 | 64 mi | Tropical storm (58 mph) | Category 1 |
| 1872 | Unnamed 1872 stormOct 26 | 62 mi | Tropical storm (46 mph) | Category 1 |
| 1859 | Unnamed 1859 stormSep 17 | 74 mi | Tropical storm (61 mph) | Category 1 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Nanjemoy: 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 Nanjemoy
By decade
- 2020s2
- 2010s12
- 2000s34(1 EF3+)
- 1990s16
- 1980s2
- 1970s11(1 EF3+)
- 1960s1
- 1950s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 28, 2002 | F4 | 9 mi | 38 mi | 3 / 122 |
| Jan 26, 1978 | F3 | 8 mi | 0.7 mi | 1 / 10 |
| May 8, 2008 | EF2 | 15 mi | 3.42 mi | 0 / 0 |
| Sep 17, 2004 | F2 | 17 mi | 4 mi | 0 / 0 |
| Apr 28, 2002 | F2 | 14 mi | 3 mi | 0 / 0 |
| Jul 27, 1994 | F2 | 15 mi | 0.8 mi | 0 / 0 |
| Jul 27, 1994 | F2 | 23 mi | 0.8 mi | 0 / 0 |
| Sep 5, 1979 | F2 | 10 mi | 2 mi | 0 / 0 |
| Jun 20, 1978 | F2 | 19 mi | 1 mi | 0 / 0 |
| Aug 8, 2024 | EF1 | 17 mi | 6.92 mi | 0 / 0 |
| May 27, 2022 | EF1 | 23 mi | 4.14 mi | 0 / 0 |
| May 5, 2017 | EF1 | 10 mi | 1.18 mi | 0 / 0 |
The strongest 12 of 79, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Nanjemoy
The Storm Prediction Center has 25 hail reports within 10 miles of Nanjemoy since 1968, made on 21 separate days. Of these, 14 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 June 21, 2016. The most recent report is from June 25, 2020. April has the most reports, 7.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Nanjemoy
The nearest NOAA station with 1991–2020 climate normals is Quantico Mcas, VA, 8 miles northwest of Nanjemoy at 10 feet. July is the warmest, with an average high of 88°F and low of 71°F; January is the coolest, at 45°F and 28°F. July is the wettest at 4.6 inches of precipitation on average and February the driest at 2.4 inches; the year adds up to 40.9 inches over 70 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (22.1 of 40.9 inches); the other six months are drier. Highs reach 90°F on about 29 days a year, almost all from May to September. Lows fall below freezing on about 76 nights a year. Snowfall averages 12.4 inches a year, most of it in February. That 40.9 inches is more than at 2 of the 41 Maryland stations used on this site (5%). King George, VA, 10 miles south, has its own station (Corbin, VA): 44.8 inches a year, 3.9 more than here, and a July average high of 87°F against 88°F.
Water temperature at the NOAA tide station Dahlgren, VA, 11 miles southeast, averaged 85°F in July and 40°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Dahlgren tide gauge, 11 miles from Nanjemoy, has risen 2.24 ± 0.12 inches per decade from 1972 to 2025, NOAA's linear trend; at that pace it is 22.4 inches in a hundred years. That is faster than at 127 of the 144 U.S. gauges with a NOAA trend.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in | Water °F |
|---|---|---|---|---|---|---|
| Jan | 45 | 28 | 2.7 | 5 | 3.5 | 40 |
| Feb | 48 | 30 | 2.4 | 5 | 5.8 | 42 |
| Mar | 56 | 37 | 3.6 | 6 | 1.4 | 50 |
| Apr | 68 | 47 | 3.2 | 6 | 0.0 | 60 |
| May | 76 | 57 | 3.6 | 7 | 0.0 | 69 |
| Jun | 84 | 66 | 3.5 | 7 | 0.0 | 78 |
| Jul | 88 | 71 | 4.6 | 6 | 0.0 | 85 |
| Aug | 86 | 69 | 4.2 | 5 | 0.0 | 83 |
| Sep | 80 | 62 | 3.4 | 6 | 0.0 | 77 |
| Oct | 69 | 50 | 3.3 | 5 | 0.0 | 67 |
| Nov | 58 | 39 | 3.1 | 5 | 0.0 | 55 |
| Dec | 49 | 32 | 3.3 | 7 | 1.7 | 44 |
| Year | 67 | 49 | 40.9 | 70 | 12.4 | 63 |
Averages for 1991–2020 at Quantico Mcas, VA (10 ft), from NOAA NCEI U.S. Climate Normals; water temperature: average of hourly readings 2021–2025 at the NOAA tide station Dahlgren, VA, from NOAA Tides & Currents. 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 Nanjemoy
Since 1996, the National Weather Service has logged 224 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Nanjemoy: 197 thunderstorm wind reports, 16 floods and 11 flash floods. They killed 1 person and injured 1, and the NWS estimated $649,000 in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on June 23, 2015. September has had the most flash floods, 6 of 11. Of the 239 Maryland cities on this site with a flash flood on record, 22 have had fewer than Nanjemoy.
April 15, 2019: thunderstorm wind 10 miles from the centre of Nanjemoy — 1 killed, 1 injured.
July 29, 2023: thunderstorm wind 9 miles from the centre of Nanjemoy — $100,000 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
Charles County, which includes Nanjemoy, has been named in 24 federal disaster or emergency declarations since 1972, 17 of them major disasters (by incident: 7 hurricanes, 7 snowstorms, 3 floods, 3 severe storms). The latest major disaster declaration was Covid-19 Pandemic, on March 26, 2020. FEMA's National Risk Index gives Charles County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively Moderate for strong wind, lightning and heat waves; Relatively Low for hurricanes, tornadoes, hail, inland flooding and coastal flooding. It models the county's expected loss from all 18 hazards it covers at $22.5 million a year, the 14th highest of 24 Maryland counties; of the hazards above, the largest share, $10.9 million (48%), 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 Nanjemoy
- Quantico, VA9 mi
- King George, VA10 mi
- Port Tobacco, MD10 mi
- Indian Head, MD12 mi
- Stafford, VA12 mi
- Triangle, VA13 mi
- La Plata, MD14 mi
- Dumfries, VA14 mi
- Newburg, MD16 mi
- Bryans Road, MD16 mi
- White Plains, MD17 mi
- Woodbridge, VA17 mi
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