Anne Arundel County, Maryland
County storm and disaster record · FIPS 24003 · population 587,917 · 415 sq mi
NOAA's Storm Events Database holds 1,461 records for Anne Arundel County, Maryland from 1950 through June 30, 2026, on 907 days; the most frequent are severe thunderstorm wind events (594 records). The deadliest single record is the July 17, 2018 heat, filed for the forecast zone Anne Arundel, which covers the county: 2 deaths. FEMA has issued 23 declarations naming the county since 1971, 21 of them for natural hazards; the latest for a natural hazard was “Severe Winter Storm” on January 24, 2026.
The record, 1950 to 2026
Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).
- recorded, no damage figure
- under $100,000
- $100,000 or more
- $1 million or more
- $10 million or more, or a death
- $100 million or more, or 10 deaths
- a year's colour: its recorded damage or deaths
- a year with a death
- 1955: wind and hail recorded from 1955
- 1996: all 48 event types from 1996
- Storm records
- 1,461on 907 days, 1950 to June 30, 2026
- Deaths recorded
- 16124 injuries
- Damage, 2025 dollars
- $56Mas filed (scale steps before 1993)
- Tornadoes
- 26strongest F3
- FEMA declarations
- 23latest 2026
Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.
What hazards hit Anne Arundel County most?
The most frequent records are severe thunderstorm wind events: 594 since 1958. 57% of its severe thunderstorm wind events since 1958 fell in June and July. The rank column places the county among Maryland's counties by days with a record per 1,000 square miles of land over each hazard's complete period.
| Hazard | Records | Days | First, last | Killed | Injured | Damage | Rank in state |
|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 594 | 311 | 1958-2026 | 3 | 33 | $9.0M | 2 of 23 |
| Floods | 256 | 174 | 1996-2025 | 2 | 0 | $8.5M | 1 of 23 |
| Winter storms | 158 | 154 | 1996-2026 | 2 | 1 | $3.5M | 14 of 23 |
| Hail | 97 | 54 | 1968-2025 | 0 | 0 | $30K | 8 of 23 |
| Fog, smoke and funnel clouds | 73 | 71 | 1997-2021 | 0 | 0 | – | 4 of 23 |
| Heat | 69 | 69 | 1996-2025 | 5 | 61 | $18K | 10 of 23 |
| High wind and dust storms | 59 | 59 | 1996-2026 | 2 | 4 | $4.5M | 8 of 23 |
| Extreme cold | 45 | 44 | 1998-2026 | 0 | 0 | – | 8 of 23 |
| Lightning | 38 | 31 | 1996-2018 | 2 | 22 | $2.3M | 1 of 23 |
| Tornadoes | 26 | 22 | 1953-2025 | 0 | 1 | $16M | 5 of 23 |
| Heavy rain | 23 | 23 | 1997-2003 | 0 | 0 | – | 14 of 23 |
| Drought | 12 | 12 | 1997-2007 | 0 | 0 | $3.0M | 9 of 23 |
| Hurricanes and tropical storms | 10 | 10 | 1996-2020 | 0 | 0 | $9.7M | 5 of 23 |
| Wildfires | 1 | 1 | 2006-2006 | 0 | 2 | – | 7 of 23 |
Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.
How many tornadoes has Anne Arundel County had?
NOAA records 26 tornadoes in Anne Arundel County from 1953 to 2025, the strongest rated F3, with 0 deaths and 1 injury recorded in the county. That is 5th of 23 Maryland counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.
Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 29 tornadoes whose track touched Anne Arundel County since 1950 (NOAA's county records number 26: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 0 people.
| Date | Tornado | Rating | Path | Killed |
|---|---|---|---|---|
| 1961-06-09 15:30, as SPC files it | Baltimore | F3 | 0.1 mi | 0 |
Map of the strongest tornado tracks in Maryland.
Every tornado record filed for Anne Arundel County (26)
| Date | Place | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2025-07-31 | Naval Academy, Anne Arundel County | EF0 0.13 mi x 25 yd | 0 | 0 | $100K |
| 2025-06-18 | Odenton, Anne Arundel County | EF0 0.15 mi x 75 yd | 0 | 0 | $250K |
| 2022-07-05 | South River, Anne Arundel County | EFU 0.13 mi x 50 yd | 0 | 0 | – |
| 2021-09-01 | Owensville, Anne Arundel County | EF2 11.43 mi x 200 yd | 0 | 0 | – |
| 2020-09-03 | Annapolis Lee Field Ar, Anne Arundel County | EF0 6.05 mi x 100 yd | 0 | 0 | $1.4M |
| 2012-06-01 | Tipton Aaf Airport, Anne Arundel County | EF0 6.62 mi x 100 yd | 0 | 0 | $129K |
| 2012-06-01 | Tipton Aaf Ft M, Anne Arundel County | EF0 0.15 mi x 75 yd | 0 | 0 | $4K |
| 2011-04-05 | Conaways, Anne Arundel County | EF0 0.61 mi x 50 yd | 0 | 0 | $3K |
| 2010-09-30 | Lake Shr, Anne Arundel County | EF0 0.93 mi x 200 yd | 0 | 0 | $20K |
| 2006-09-28 | Severna Park, Anne Arundel County | F1 2 mi x 250 yd | 0 | 0 | $8.8M |
| 2000-07-10 | Maryland City, Anne Arundel County | F1 0.7 mi x 100 yd | 0 | 0 | $9K |
| 1996-06-24 | Upper Marlboro, Anne Arundel County | F1 1 mi x 100 yd | 0 | 0 | $188K |
| 1995-10-05 | Odenton To, Anne Arundel County | F1 6 mi x 100 yd | 0 | 0 | $484K |
| 1995-10-05 | Crownsville, Arnold,1, Anne Arundel County | F1 3.8 mi x 75 yd | 0 | 0 | $116K |
| 1995-10-05 | Arnold, Anne Arundel County | F0 0.5 mi x 50 yd | 0 | 0 | $2K |
| 1993-05-12 | Anne Arundel County | F0 0.5 mi x 30 yd | 0 | 0 | $10K |
| 1992-08-28 | Anne Arundel County | F0 0.1 mi x 10 yd | 0 | 0 | – |
| 1992-08-28 | Anne Arundel County | F0 0.1 mi x 7 yd | 0 | 0 | – |
| 1979-09-05 | Anne Arundel County | F1 2.5 mi x 50 yd | 0 | 1 | $25K step |
| 1976-08-14 | Anne Arundel County | F1 | 0 | 0 | $250K step |
| 1975-07-14 | Anne Arundel County | F1 0.5 mi x 100 yd | 0 | 0 | $25K step |
| 1974-05-12 | Anne Arundel County | F1 0.1 mi x 33 yd | 0 | 0 | $3K step |
| 1961-07-13 | Anne Arundel County | F1 0.5 mi x 500 yd | 0 | 0 | $25K step |
| 1961-06-09 | Anne Arundel County | F3 | 0 | 0 | $250K step |
| 1960-04-26 | Anne Arundel County | F1 0.2 mi x 30 yd | 0 | 0 | $3K step |
| 1953-07-02 | Anne Arundel County | F1 1 mi x 200 yd | 0 | 0 | $250 step |
A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.
Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.
When was the last damaging storm in Anne Arundel County?
The most recent record with damage, injuries or deaths is the June 22, 2026 thunderstorm wind ($6,000 in damage in 2025 dollars).
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2026-06-22 | Thunderstorm WindAnnapolis, Anne Arundel County | 52 kt wind | 0 | 0 | $6K |
| 2026-06-22 | Thunderstorm WindConaways, Anne Arundel County | 56 kt wind | 0 | 0 | $15K |
| 2026-06-12 | Thunderstorm WindArnold, Anne Arundel County | 50 kt wind | 0 | 0 | – |
| 2026-06-12 | Thunderstorm WindCrownsville, Anne Arundel County | 61 kt wind | 0 | 0 | $10K |
| 2026-06-12 | Thunderstorm WindParole, Anne Arundel County | 52 kt wind | 0 | 0 | $1K |
| 2026-06-12 | Thunderstorm WindArnold, Anne Arundel County | 52 kt wind | 0 | 0 | $1K |
| 2026-06-12 | Thunderstorm WindWardour, Anne Arundel County | 52 kt wind | 0 | 0 | $1K |
| 2026-06-11 | Thunderstorm WindConaways, Anne Arundel County | 52 kt wind | 0 | 0 | $3K |
| 2026-03-16 | Thunderstorm WindGarland, Anne Arundel County | 54 kt wind | 0 | 0 | – |
| 2026-03-16 | Thunderstorm WindTracys Lndg, Anne Arundel County | 52 kt wind | 0 | 0 | $2K |
| 2026-03-16 | Thunderstorm WindOwensville, Anne Arundel County | 52 kt wind | 0 | 0 | $2K |
| 2026-03-16 | Thunderstorm WindCrownsville, Anne Arundel County | 52 kt wind | 0 | 0 | $6K |
Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.
The deadliest and costliest records
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2018-07-17 | HeatAnne Arundel County · forecast zone Anne Arundel Heat indices were in the mid 90s. The Maryland Department of Health reported 2 fatalities due to the heat during the week of July 17th through July 23rd. | 2 | 0 | – | |
| 2012-10-29 | High WindAnne Arundel County · forecast zone Anne Arundel Wind gusts of 58-60 mph were measured at Baltimore Washington Airport and Annapolis. | 52 kt wind | 2 | 0 | $2.8M |
| 2000-06-17 | LightningAnnapolis, Anne Arundel County A 58 year old man was killed and 8 people were injured after lightning struck the tree they were standing under near the athletic field at Annapolis Middle School. | 1 | 8 | – | |
| 1990-03-17 | Thunderstorm WindAnne Arundel County | 1 | 1 | – | |
| 2024-06-30 | Thunderstorm WindMayfield, Anne Arundel County Numerous large trees and power lines blew down in Ridgeway. In the 1400 block of Maryland Avenue, a large tree blew down onto power lines; the live power lines fell onto a chain link fence, and when a 31-year-old man was walking their dog who touched the fence, the dog and person were both electrocuted. Nearby in the ... | 61 kt wind | 1 | 0 | $282K |
| 2018-07-16 | HeatAnne Arundel County · forecast zone Anne Arundel Heat indices were close to 100 degrees. The Maryland Department of Health reported a fatality due to the heat during the week of July 10th through July 16th. | 1 | 0 | – | |
| 2018-07-03 | Excessive HeatAnne Arundel County · forecast zone Anne Arundel Heat indices around 110 degrees were reported. The Maryland Department of Health reported 1 fatality due to the excessive heat in Anne Arundel County. The fatality occurred during the week of July 3rd to July 9th. | 1 | 0 | – | |
| 2013-01-31 | Flash FloodMaryland City, Anne Arundel County A homeless woman drowned as rains flooded a homeless camp in Maryland City near the Patuxent River. Also, there were two females extracted from their vehicle stuck in standing water at Brock Bridge Road and Whiskey Bottom Road. | 1 | 0 | – |
| Date | Record | Character | Killed | Injured | Damage |
|---|---|---|---|---|---|
| 2006-09-28 | TornadoSeverna Park, Anne Arundel County | F1 2 mi x 250 yd | 0 | 0 | $8.8M |
| 2003-09-18 | Tropical StormAnne Arundel County · forecast zone Anne Arundel | 0 | 0 | $6.4M | |
| 1999-09-16 | Flash FloodCountywide, Anne Arundel County | 0 | 0 | $3.5M | |
| 2014-08-12 | Flash FloodFernglen Manor, Anne Arundel County | 0 | 0 | $3.5M | |
| 2003-02-14 | Winter StormAnne Arundel County · forecast zone Anne Arundel | 0 | 0 | $3.2M | |
| 2012-10-29 | High WindAnne Arundel County · forecast zone Anne Arundel | 52 kt wind | 2 | 0 | $2.8M |
| 1996-09-06 | Storm Surge/TideAlong The Chesapeake, Anne Arundel County | 0 | 0 | $2.6M | |
| 2006-07-02 | Thunderstorm WindCape St Claire, Anne Arundel County | 60 kt wind | 0 | 0 | $2.2M |
Before 1993 NOAA filed damage by category, not amount, so the list above starts in 1993. The highest category filed here before then (entered as $250K, in the dollars of the day) holds: June 9, 1961 (tornado, Anne Arundel County); August 14, 1976 (tornado, Anne Arundel County).
Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.
Is it getting more frequent?
Records per decade for Anne Arundel County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).
| Hazard | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020-26 |
|---|---|---|---|---|---|---|---|---|
| Severe thunderstorm wind | 2 | 5 | 12 | 29 | 55 | 99 | 237 | 155 |
| Floods | – | – | – | – | 11 | 31 | 154 | 60 |
| Winter storms | – | – | – | – | 14 | 42 | 77 | 25 |
| Hail | 0 | 1 | 3 | 4 | 9 | 37 | 27 | 16 |
| Fog, smoke and funnel clouds | – | – | – | – | 2 | 16 | 43 | 12 |
| Heat | – | – | – | – | 8 | 20 | 32 | 9 |
Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).
What time of year?
57% of its severe thunderstorm wind events since 1958 fell in June and July. The two busiest months are in violet.
The values, month by month
Jan 99 · Feb 97 · Mar 74 · Apr 91 · May 99 · Jun 257 · Jul 283 · Aug 200 · Sep 98 · Oct 58 · Nov 38 · Dec 67 (records).
Source: NOAA NCEI Storm Events Database, records by the month they began.
Federal disaster declarations for Anne Arundel County
FEMA's register lists 23 declarations that include Anne Arundel County: 16 major disasters, 7 emergencies and 0 fire management assistance declarations. Most were for snowstorm (7) and hurricane (6).
| Declared | Number | Type | Title |
|---|---|---|---|
| 2026-01-24 | EM-3634 | Winter Storm | Severe Winter Storm |
| 2020-03-26 | DR-4491 | Biological | Covid-19 Pandemic |
| 2020-03-13 | EM-3430 | Biological | Covid-19 |
| 2016-03-04 | DR-4261 | Snowstorm | Severe Winter Storm and Snowstorm |
| 2012-11-20 | DR-4091 | Hurricane | Hurricane Sandy |
| 2012-10-28 | EM-3349 | Hurricane | Hurricane Sandy |
| 2011-10-05 | DR-4038 | Flood | Remnants of Tropical Storm Lee |
| 2011-08-27 | EM-3335 | Hurricane | Hurricane Irene |
| 2010-05-06 | DR-1910 | Snowstorm | Severe Winter Storms and Snowstorms |
| 2010-02-19 | DR-1875 | Snowstorm | Severe Winter Storm and Snowstorm |
| 2005-09-13 | EM-3251 | Hurricane | Hurricane Katrina Evacuation |
| 2003-09-19 | DR-1492 | Hurricane | Hurricane Isabel |
| 2003-03-14 | EM-3179 | Severe Storm | Snow |
| 2000-04-10 | DR-1324 | Severe Storm | Severe Winter Storm |
| 1999-09-24 | DR-1303 | Hurricane | Hurricane Floyd Major Disaster Declarations |
| 1996-01-11 | DR-1081 | Snowstorm | Blizzard of 96 (Severe Snow Storm) |
| 1994-03-16 | DR-1016 | Snowstorm | Severe Winter Weather and Ice Storms |
| 1993-03-16 | EM-3100 | Snowstorm | Severe Snowfall & Winter Storm |
| 1979-09-14 | DR-601 | Severe Storm | Severe Storms, Tornadoes & Flooding |
| 1977-01-26 | DR-524 | Snowstorm | Ice Conditions |
| 1975-10-04 | DR-489 | Flood | Heavy Rains & Flooding |
| 1972-06-23 | DR-341 | Flood | Tropical Storm Agnes |
| 1971-08-17 | DR-309 | Flood | Severe Storms & Flooding |
Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.
How many floods has Anne Arundel County had?
NOAA's Storm Events Database holds 256 flood or flash flood records for Anne Arundel County from 1996 to 2025, on 174 days, with 2 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Anne Arundel County ranks 146th of 2,942 U.S. counties.
| Storm | Began | Records | Deaths in the county |
|---|---|---|---|
| Tropical Storm Lee | 2011-09-07 | 1 | 1 |
| Hurricane Irene | 2011-08-27 | 1 | 0 |
| Hurricane Isabel | 2003-09-18 | 1 | 0 |
| Hurricane Floyd | 1999-09-16 | 1 | 0 |
The National Flood Insurance Program has paid $53.1 million on 2,825 claims filed in Anne Arundel County; the most in one year was 1,579 in 2003. Claims count insured losses only: uninsured flood damage is not in this file.
The values, year by year
1978: 10 · 1979: 92 · 1980: 5 · 1981: 7 · 1982: 4 · 1983: 13 · 1984: 9 · 1985: 92 · 1986: 6 · 1987: 2 · 1989: 16 · 1990: 2 · 1991: 2 · 1992: 5 · 1993: 7 · 1994: 8 · 1995: 5 · 1996: 175 · 1997: 3 · 1998: 10 · 1999: 59 · 2000: 8 · 2001: 2 · 2002: 2 · 2003: 1,579 · 2004: 13 · 2005: 5 · 2006: 25 · 2007: 3 · 2008: 32 · 2009: 10 · 2010: 62 · 2011: 79 · 2012: 34 · 2013: 18 · 2014: 73 · 2015: 26 · 2016: 15 · 2017: 7 · 2018: 43 · 2019: 9 · 2020: 29 · 2021: 96 · 2022: 15 · 2023: 13 · 2024: 80 · 2025: 11 · 2026: 4; the other years: 0.
Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.
FEMA's modeled risk for Anne Arundel County
FEMA's National Risk Index rates Anne Arundel County Relatively Moderate overall, with an expected annual loss of $74.7 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.
| Hazard | Risk rating | Expected annual loss | Modeled frequency |
|---|---|---|---|
| Winter Weather | Relatively High | $1.3M | 9.5 a year (modeled) |
| Lightning | Relatively High | $2.6M | 40 a year (modeled) |
| Strong Wind | Relatively High | $3.5M | 7.7 a year (modeled) |
| Heat Wave | Relatively Moderate | $7.3M | 6.3 modeled event-days a year |
| Hurricane | Relatively Moderate | $8.3M | once in about 11 years (modeled) |
| Tornado | Relatively Moderate | $7.0M | once in about 2 years (modeled) |
| Riverine Flooding | Relatively Moderate | $33M | 3.6 a year (modeled) |
| Hail | Relatively Moderate | $1.1M | 3.4 a year (modeled) |
Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.
Counties that share a border with Anne Arundel County
Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.
Next
- Tornadoes in MarylandEvery Maryland tornado since 1950 and the counties with the most per square mile
- Severe thunderstorm wind in MarylandThe state's severe thunderstorm wind events, by county, year and month
- The Maryland recordEvery hazard in the state, its deadliest events and its federal declarations
- FEMA's risk rating for each hazard in Anne Arundel CountyThe hazard risk calculator: 18 hazards beside the county's record
- Download Anne Arundel County's FEMA declarations (CSV)23 rows: every declaration that named the county, for your own analysis