Since 1950, 144known hurricanes, tropical storms and tropical depressions have affected the U.S. state of Maryland. Many of these storms also affect the country's capital, Washington, D.C., since the city is located on territory ceded by Maryland. Hurricanes are the most intense classification of these storms, while tropical storms and tropical depressions are generally weaker. The Delmarva Peninsula is often affected by cyclones that brush the East Coast.[1] Central and Western Maryland, as well as Washington, D.C., commonly receive rainfall from the remnants of storms that make landfall elsewhere and track northward.[2] On rare occasions, the area experiences the effects of Pacific storms; one such example of this is Hurricane Tico, which made landfall on Mexico and moved inland.
Hurricane Isabel, one of the most significant storms to affect the region, on September 18, 2003
Hurricane Agnes of the 1972 season was the deadliest storm, killing 19people as a result of heavy flooding. The most damaging storm was Hurricane Irene, which resulted in $151 million in damage. Hurricane Hazel caused sustained hurricane-force winds (winds of 75mph (120km/h) or greater) in the state, the only storm during the time period to do so.[3] No storms made landfall in Maryland at hurricane intensity. Since 1950, thirteen tropical cyclones have collectively killed 64people.
1950–1959
Hurricane Dog track
September 9, 1950 – Outer moisture from Hurricane Dog drops heavy rainfall in the Mid-Atlantic. In Bel Air, a car drove into the swollen Gunpowder River; three people in the car drowned and a fourth was injured.[4]
September 1, 1952 –Tropical Storm Able crosses the state, although damage, if any, is unknown.[5]
October 15, 1954 –Hurricane Hazel crosses the state, producing hurricane-force winds.[3] In addition to wind damage, flooding was severe along the Chesapeake Bay, while flash flooding was reported inland.[6] Overall, six deaths and about $11million in damage were reported.[7]
August 12, 1955 –Tropical Storm Connie causes widespread damage, including where the storm's center passes directly over St. Mary's, Calvert, and Anne Arundel Counties. It drops heavy rainfall, peaking at 12.32in (313mm) in Preston.[2] The rainfall leads to flooding which causes $2.5million in damage. When the schoonerLevin J. Marvel capsized in high seas, 14people drown.[8]
August 18, 1955 – As Tropical Storm Diane begins its turn to the east-northeast over Virginia, associated heavy rains, combined with saturated grounds from Connie just days before, cause flooding in central parts of the state, especially along the Potomac River.[6]
September 19, 1955 –Hurricane Ione makes landfall in North Carolina; its outer moisture produces light rainfall across the state.[9]
September 28, 1956 –Hurricane Flossy passes southeast of the state, producing up to 3.30in (84mm) of rain. In nearby Washington, D.C., a peak wind gust of 45mph (72km/h) is reported.[10]
September 12, 1960 –Hurricane Donna passes just offshore, producing wind gusts of over 100mph (160km/h) in Ocean City.[12] Flooding along the eastern shore causes two deaths.[7]
September 21, 1961 –Hurricane Esther moves northward, parallel to the coast. Wind gusts to 45mph (70km/h) are observed at Ocean City, and storm surge flooding causes damage to the city's sea wall and boardwalk.[13]
October 20, 1968 – As Hurricane Gladys parallels the east coast, tides of up to 4ft (1.2m) are felt along the coast. As a result, street flooding is reported in Ocean City.[16]
August 20, 1969 – The remnants of Hurricane Camille cause extensive flooding in Virginia,[10] though they drop only moderate rainfall peaking at 6.55in (166mm) in Maryland.[2]
September 9, 1969 –Hurricane Gerda intensifies offshore, prompting a hurricane watch for eastern Maryland.[17] Because the storm remained offshore, only light precipitation falls.[2]
September 13, 1971 –Tropical Storm Heidi passes offshore, dropping 2.86in (73mm) of rain in parts of the state.[2]
Early October 1971 – The remnants of Hurricane Ginger make landfall in North Carolina, turn north-northeast, and brush southern Maryland with light rainfall.[19]
June 2, 1972 – Heavy rainfall from Tropical Storm Agnes, combined with a separate low to the west,[2] contribute to the state's worst flooding in 36years. Severe damage and at least 19 deaths are reported throughout the region.[7][20] Throughout the state, 1,930 were damaged, of which 103 were destroyed. 17 farm buildings were destroyed and 44 damaged, and 82 small businesses were destroyed. Total damage is estimated at $80million.[8]
September 3, 1972 –Tropical Storm Carrie remains well offshore, though its outer bands drop light precipitation across the southern Delmarva Peninsula.[2]
August 9, 1976 –Hurricane Belle parallels the east coast, prompting hurricane warnings for the coastline. The center of the storm passes to the east of the state, producing wind gusts of around 70mph (110km/h) at Ocean City.[22]
September 5, 1979 –Tropical Storm David crosses the western part of the state, dropping up to 9.40in (239mm) of rainfall.[2] Associated bands spawn seven tornadoes throughout the state.[24] One of the tornadoes strikes near Crofton, causing tree and structure damage, as well as one injury.[25]
1980–1989
June 7, 1981– A tropical depression moves off the Mid-Atlantic coast, brushing the southern tip of Maryland with light rainfall.[26]
July 1, 1981– Tropical Storm Bret makes landfall on Maryland, although there is no reported damage.[5]
August 19, 1981– Tropical Storm Dennis brushes the extreme southern section of the Delmarva Peninsula, with light rainfall.[27]
September 30, 1983– Tropical Storm Dean makes landfall on Virginia and produces up to 1.32in (34mm) of rainfall in the state.[2]
October 25, 1983– The remnants of Hurricane Tico, a Pacific storm, drop light rainfall across Maryland and surrounding locations.[28]
Hurricane Gloria moving away from the Maryland coast on September 27
July 25, 1985– The remnants of Hurricane Bob cause moderate rainfall in southern Maryland, and light wind gusts.[2] Rough seas from the system capsize a few boats along the Potomac River, and the rainfall collapses a house under construction in Great Falls, Maryland.[29]
August 18, 1985– Remnant moisture from Hurricane Danny drops up to 7in (180mm) of rain on the Delmarva Peninsula, although damage, if any is unknown.[30]
September 24, 1985– Tropical Storm Henri parallels the coastline, dropping light rainfall.[2]
September 27, 1985– Hurricane Gloria passes east of Maryland and drops over 7in (180mm) of rain. Wind gusts to 40mph (64km/h) blast the coastline, causing beach erosion.[31]
August 18, 1986– Hurricane Charley tracks just miles offshore, spawning wind gusts up to 35mph (56km/h).[32] The storm also drops up to 4.50in (114mm) of rain in Maryland.[2]
Mid-October 1989– The remnants of Hurricane Jerry track eastward off the Mid-Atlantic coast, dropping light amounts of rainfall in northern locales.[2]
1990–1994
Mid-October 1990– The remnants of Tropical Storm Marco produce moderate rainfall in western locations.[34]
August 19, 1991– Hurricane Bob passes 90mi (140km) offshore, producing waves of up to 12ft (3.7m) high.[35]
Late August 1992– Remnant moisture from Hurricane Andrew produces up to 2.70in (69mm) of rain in western areas of the state.[2]
September 25, 1992– Tropical Storm Danielle makes landfall on the Delmarva Peninsula, producing winds of 53mph (85km/h) in Ocean City. Storm tide ranges from an estimated storm tide of 2–3feet (0.6–0.9m).[36] The storm produces moderate rainfall of over 3inches (76mm) across the Eastern Shore of Maryland.[37]
September 1, 1993– Uncertainty in the track of Hurricane Emily track prompts voluntary evacuations of Ocean City, although the storm quickly turns away from the state.[38]
October 3, 1995– The remnants of Hurricane Opal track well west of Maryland, producing light rainfall across the entire state.[2] Moderate winds downed trees and tree limbs onto Maryland Route 495.[42] The system spawns numerous tornadoes, the most notable of which contains winds of 150mph (240km/h); this particular tornado results in three injuries and damages over 100homes.[43]
July 13, 1996– Tropical Storm Bertha passes over the state producing wind gusts peaking at 63mph (101km/h) at Ocean City. Several trees and power lines are downed resulting in scattered power outages and property damage. In Dorchester, one tornado is confirmed. Also, rainfall of up to 5in (130mm) causes some street flooding.[44]
September 6, 1996– Tropical Storm Fran tracks west of the state, spawning wind gusts of up to 55mph (89km/h) which, combined with saturated soil, downs numerous trees.[45] Along the Chesapeake Bay, a storm surge of up to 6ft (1.8m) inundates coastal communities.[46] This causes tidal flooding which results in one injury and forces several people to evacuate.[47] The heavy rainfall severely floods the Potomac River, damaging over 500homes and destroying nearly 450 acres (1.8km2) of corn and soy crops.[48] As a result of Fran, one death is reported,[49] and $50million (1996USD, $68million 2008USD) in damage is blamed on the storm.[50]
October 8, 1996– Moisture from Tropical Storm Josephine moves northward along the East Coast. Up to 3.5in (89mm) of rainfall is reported, resulting in the flooding of numerous roads. The Coast Guard station in Ocean City records a wind gust of 77mph (124km/h) which results in several downed trees and power lines. The winds break loose a 160ft (49m)barge from its moorings.[51]
July 24, 1997– Tropical Storm Danny passes south of the state, dropping up to 5in (130mm) in southernmost locations.[52] Because of a previous drought, there are no reports of flooding except for minor drainage ditch overflows.[53]
September 4, 1999– The remnants of Hurricane Dennis drop heavy rainfall which surpasses 4in (100mm) and flooding.[2] On the coast of Maryland, tides were up to 3ft (0.91m) above average.[54] In Havre de Grace, four people were seriously injured when a car crossed the median and slammed into an oncoming vehicle, which is blamed on heavy rainfall.[55] Two or more lightning strikes leave over 6,700people without power.[54]
September 15, 1999– Hurricane Floyd parallels the shore of the Delmarva Peninsula as a tropical storm. Chestertown, reports a maximum rainfall total of 14inches (350mm), with other locales reporting similar values.[56] Extreme river flooding causes moderate damage to bridges and roads, resulting in a damage toll of $7.9million (1999USD, $10million 2008USD) throughout the state.[57] In addition, over 250,000 residents are without electricity because of high winds blowing down power lines.[58] More than 28people are forced to be rescued by boat as a result of severe flooding. Nine other people were from an apartment building near Great Mills. Two people are injured and one person is killed by carbon monoxide after losing power and running a generator inside their home. Also, a 12‑year-old boy is caught in flood waters and is swept a half mile (800m) down a drainage ditch before being rescued and treated for hypothermia.[58]
October 17, 1999– Showers from Hurricane Irene are reported, totaling to 1.29in (33mm) in some places.[2]
2000–2004
September 19, 2000– The remnants of Hurricane Gordon track over the Delmarva Peninsula, producing up to 2.17in (55mm) of rainfall, mainly to the east of the center.[2]
June 16, 2001– The weakening Tropical Storm Allison tracks northward along the U.S. East Coast, passing southeast of the state. Rainfall from Allison totaled to 7.5inches (190mm) in Denton, closing eleven roads and causing washouts on 41 others.[59]
September 11, 2002– The pressure gradient between a strong high pressure system in the central United States and Hurricane Gustav located east of the state result in gusty winds, peaking at 44mph (71km/h) at Tolchester Beach. The winds damage tree limbs and caused power outages to 3,000customers, although it was quickly restored.[60]
September 27, 2002– As the remnants of Hurricane Isidore track northward through the Ohio Valley, it produces light to moderate showers in northern and central Maryland.[2]
October 11, 2002—Remnant moisture from Hurricane Kyle produces moderate rainfall, reaching 4.03in (102mm) in Salisbury.[2]
July 3, 2003– Rainfall peaking at 4in (100mm) falls in association with the remnants of Tropical Storm Bill.[62] In northern and central Dorchester County, several secondary roads are closed due to heavy rainfall and flooding.[63]
September 4, 2003– The remnants of Tropical Storm Grace drop up to 5in (130mm) of rain in western areas of the state, although there are no reports of damage.[64]
September 14, 2003– The remnant moisture from Tropical Storm Henri produce light rainfall over the state.[65]
September 17, 2003– Hurricane Isabel tracks south and west of the state, causing moderate to severe damage. Along the Eastern Shore, the hurricane produces a storm surge peaking at 8feet (2.4m) on the Chesapeake Bay side in Hoopers Island and 6.5feet (2m) on the Atlantic coast in Ocean City.[66] The large size of Isabel causes strong winds across the area, including maximum sustained winds of 52mph (84km/h) and a gust of 66mph (106km/h) in Cambridge.[66] Over 1.4million people throughout the state lose electric power at some point during the storm.[67] One death in Maryland is attributed to the hurricane, and over 200injuries are reported. In all, damage is estimated at over $530million (2003USD, $621million 2008USD).[67] Winds sensors in Washington, D.C. report winds of up to 85mph (137km/h), which causes $125million (2003USD, $146million 2008USD) in damage.[68]
August 3, 2004– Hurricane Alex's outskirts affected several portions of the state with heavy rainfall.[69] 6.05 in (154mm) of rainfall was reported in Assateague Island.[2]
August 12, 2004– Remnant moisture from Tropical Storm Bonnie drops light rainfall across portions of the state.[2]
August 14, 2004– The weakening Tropical Storm Charley drops rainfall across portions of the state.[70] In Assateague Island, total rainfall was reported at 2.21 in (56mm).[2]
August 30, 2004– Hurricane Gaston tracks east of the state, producing light rainfall along the eastern shore.[2]
September 3, 2004– The remnants of Hurricane Frances produce over 6in (150mm) of rain in some locations, although there are no reports of damage.[2]
September 19, 2004– The remnants of Hurricane Ivan drop up to 3.83in (97mm) of rainfall, particularly in western areas.[2] The system also results in several tornadoes, one of which is reported to have killed an elderly woman and her daughter when a tree fell on their home in Cecil County.[71][72]
September 28, 2004– The remnants of Hurricane Jeanne spawn a waterspout which moves ashore as a tornado and damages a visitor center, tearing part of the roof off the structure and landing it on Maryland Route 2. The hurricane drops up to 4in (100mm) of rainfall which results in widespread minor to moderate flooding.[2] In total over 50roads were closed due to flooding, and a group of inmates were rescued from the roof of a security van.[73]
2005–2009
July 8, 2005– The extratropical remnants of Hurricane Cindy drop upwards of 7in (180mm) in the state,[74] and spawn one tornado.[75] which causes sporadic tree damage.[76] The rainfall causes flooding in some locations, leaving numerous roads underwater,[77] and flooding several basements.[78]
July 9, 2005– The remnants of Hurricane Dennis produce widespread light rainfall across much of the state.[79]
August 31, 2005– The remnants of Hurricane Katrina produce light rainfall across western portions of the state. Rainfall peaked at 2.30 in (58mm) in Thurmont.[80]
October 8, 2005– A combination of the remnants of Tropical Storm Tammy and Subtropical Depression Twenty-Two contribute to the Northeast U.S. flooding of October 2005, which produces up to 9in (230mm) of rainfall.[81] Dozens of roads are flooded and closed, and about 30people are forced from their homes. Flood waters reach up to 6ft (1.8m) as reported by a local newspaper. Damage is estimated at $200,000 (2005USD, $220,000 2008USD).[82]
October 24, 2005– A nor'easter fed by Hurricane Wilma brought heavy rain, wind, and snow to the state. Dozens of schools were closed and 12 inches of snow fell in western Maryland.[83]
September 1–2, 2006– High winds and heavy rainfall from Hurricane Ernesto leaves 44,000homes without electric power, mostly in low-lying areas of southern locations and on the eastern shore. Several basements in Anne Arundel County are forced to be pumped out due to flooding. It is estimated that wind gusts peaked at 50mph (80km/h).[84]
June 3, 2007– Tropical Storm Barry produces light rainfall over eastern portions of the state, peaking at 2.30in (58mm) near Columbia.[2]
September 15, 2007– The remnants of Hurricane Humberto dropped light rainfall in extreme southern locations.[85]
August 28, 2008– The remnants of Tropical Storm Fay brought light rainfall to extreme western portions of the state.[86] 2.98 in (75mm) of rainfall was reported in Pinto.[2]
September 6, 2008– Tropical Storm Hanna moved over the area from the south, dropping over 4inches of rain in parts of Maryland and producing wind gusts to 50 MPH in Southern Maryland.[87][88]
September 3, 2010– Hurricane Earl skimmed the coast of North Carolina and moved northeastward, resulting in heavy rain and tropical storm force winds in Southeastern Maryland, near Ocean City. Areas inland were not affected by Earl.
September 30, 2010– The remnants of Tropical Storm Nicole produced massive amounts of rainfall across the state. Baltimore–Washington International Airport reported 6.02 in (153mm) of total rainfall in 24 hours.[90] Two transit buses collided during the storm, injuring 26 people.[91]
August 27, 2011– Hurricane Irene did not make direct landfall, but due to the large size, hurricane conditions were felt to the east of the Chesapeake Bay and tropical storm conditions were felt as far inland as Frederick, Maryland. Along the Delmarva Peninsula, sustained winds of 60mph with gusts up to 85mph and over a foot of rain fell over the area. There was also a five-foot storm surge that inundated regions around Ocean City, Maryland. The beach was evacuated prior to the storm; due to the minimal damage, it reopened the next day on Sunday and residents and tourists were allowed to return.[92] In Central Maryland, sustained winds of 30-40mph and 3-5inches of rain fell. Gusts of up to 65mph toppled many power lines. Most of the damage was from falling trees, which blocked roads, crushed power lines, and toppled onto houses. Power was out for over 200,000 people in Maryland; however, by Sunday, most power was restored.[93]
September 7–10, 2011– The remnants of Tropical Storm Lee move across Maryland, causing widespread flooding, particularly in the central portion of the state.[94] In combination with Hurricane Irene, The National Weather Service reported rainfall totals in Prince George's County at 24.13 in (613mm) in Largo, 23.98 in (609mm) in Forestville, and 21.49 in (546mm) in Forest Heights.[95]
September 1–3, 2012– The remnants of Hurricane Isaac brought light rainfall to the state.[97]
October 29, 2012– Hurricane Sandy makes landfall north of the state. However, due to the tremendous size of the storm, its effects were felt all over Maryland. During the peak of the storm, 60mph sustained winds were felt from Frederick, Maryland eastward. However, power outages were not widespread and any problems were solved quickly due to better preparation. Heavy rain affected the state, with up to a foot of rain falling in some spots. Storm surge was also a large factor along the beaches, washing out many piers and some boardwalks along Ocean City. Hurricane Sandy is the deadliest tropical cyclone to affect the state, causing 11 deaths.[98]
July 4, 2014– Hurricane Arthur's outskirts brought heavy rain and wind gusts in excess of 40mph to areas such as Ocean City and Salisbury. Areas further inland were not impacted by the storm.[101]
June 20, 2015– The remnants of Tropical Storm Bill brought heavy rainfall, thunderstorms, and gusty winds to the state. A tornado touched down in Tuscarora, but caused no damage.[105]
October 28, 2015– The remnants of Hurricane Patricia brought rainfall to western portions of the state.[106]
May 29–30, 2016– Tropical moisture from Tropical Storm Bonnie brought widespread rainfall across the state.[107]
September 3, 2016– Tropical Storm Hermine affected the majority of the Eastern Shore with heavy rainfall and high winds, prompting tropical storm warnings to be put up. Governor Larry Hogan also declared a state of emergency for several counties along the Eastern Shore.[108] Winds gusted well over 40mph in Ocean City, Maryland.[109]
September 19–22, 2016– A combination of the remnants of Tropical Storm Julia and a cold front brought rainfall to the state.[110]
October 8–9, 2016– While Hurricane Matthew did not make landfall in the state, the storm still brought rain and gusty winds to the state due to its large size.[111] A maximum rainfall total of 5.52 in (140mm) was reported in Berlin.[112] A wind gust of 49mph was reported in Ocean City as well.[113]
September 2, 2017– The remnants of Hurricane Harvey brought heavy rain, thunderstorms and gusty winds to the state.[115]
September 12–14, 2017– The remnants of Hurricane Irma affect portions of the state.
September 19, 2017– Hurricane Jose passes offshore, which brought showers, gusty winds and high rip currents to the Eastern Shore. The storm brought heavy winds and rain to Ocean City, Maryland on September 19, with large waves and strong currents flooding a parking lot at the Ocean City Inlet.[116]
October 29, 2017– Tropical Storm Philippe is absorbed by a non-tropical area of low pressure, which brought heavy rainfall and high winds to the state. Snow also fell in extreme western portions.[118]
September 8, 2018– The remnants of Tropical Storm Gordon are absorbed by a large front. The new system brings rainfall on the state for several days.[119]
September 14, 2018– Hurricane Florence tracks south of the state, with its outer bands bringing rain and gusty winds to the state. Large swells ahead of the hurricane reached Assateague State Park, Maryland, by September 9, prompting the Maryland Department of Natural Resources to close beach access indefinitely.[120]
October 11–12, 2018– Tropical Storm Michael tracks inland, bringing heavy rainfall and gusty winds to the state.[121]
October 26–27, 2018– The remnants of Hurricane Willa brought rainfall and gusty winds to much of the state.[122]
September 6, 2019– Hurricane Dorian tracks southeast of the state, bringing heavy rainfall and high winds to the Eastern Shore in particular. Tropical Storm Warnings were put in place.[124]
October 11, 2019– Tropical Storm Melissa brings widespread flooding to the state. Flooding from increased high tides from the storm forced street closures in Crisfield and Salisbury.[125]
October 20, 2019– The remnants of Tropical Storm Nestor brings heavy rain and high winds to the state.[126]
2020–present
May 18, 2020– Tropical Storm Arthur brings rainfall to the Eastern Shore as it passes off the coast.
July 10, 2020– Tropical Storm Fay impacts the state with heavy rainfall and wind.
August 4, 2020– Hurricane Isaias tracks through the state as a tropical storm, spawning several tornadoes, high winds, heavy rainfall and thunderstorms. One person died while driving when a tree fell on their vehicle in St. Mary's County.[127]
August 29, 2020– The remnants of Hurricane Laura move across the state.
September 17, 2020– The remnants of Hurricane Sally brings rainfall to the state.
October 11, 2020– The remnants of Hurricane Delta affect the state with rainfall.
October 29, 2020– Hurricane Zeta tracks inland as a tropical storm, bringing heavy rainfall and windy conditions to the state.
November 12, 2020– The remnants of Hurricane Eta affect the state with massive flooding.
June 21, 2021– The remnants of Tropical Storm Claudette brings showers to extreme southern portions of the state.
July 8–9, 2021– Tropical Storm Elsa tracks inland, bringing heavy rain and winds to the state.
August 21, 2021– The far outskirts of Hurricane Henri affect the Eastern Shore with rain and thunderstorms as it passes well offshore.
September 1, 2021– The remnants of Hurricane Ida bring heavy thunderstorms to the state. A tornado touched down in Hurlock. One man died in Rockville due to flooding.[128]
September 30, 2022 - The remnants of Hurricane Ian brought a storm surge, riptide and 40+ mph winds to Ocean City. The three day Oceans Calling Music Festival scheduled at the inlet was canceled as a result.
September 22–24, 2023– Tropical Storm Ophelia affects the entire state with heavy rain and high winds.
More information Month, Number of storms ...
Number of recorded storms affecting Maryland and Washington, D.C. 1980 to present
Month
Number of storms
May
4
June
12
July
14
August
27
September
56
October
27
November
3
Storms affecting Maryland by period
Period
Number of storms
1950s
9
1960s
14
1970s
11
1980s
13
1990s
20
2000s
29
2010s
33
2020s
14
Close
The following table includes all storms since 1950 that have caused reported fatalities in Maryland and Washington, D.C.
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"20150620's Storm Reports". Storm Prediction Center. Norman, Oklahoma: National Oceanic and Atmospheric Administration. 2015. Archived from the original on September 11, 2015. Retrieved May 14, 2016.
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