Maryland Storm & Severe Weather History
Since 1996, Maryland has logged 23,577 severe-weather events — about 761 a year — with 219 direct deaths, 1,424 injuries and $1.4B in reported property damage.
By event type
Thunderstorm Wind7,37710 d$135.3M
Winter Weather2,8228 d$104K
Flash Flood1,73320 d$164.6M
Flood1,4712 d$80.3M
Hail1,370—$1.3M
Winter Storm1,2156 d$8.1M
Dense Fog1,0861 d—
Heat1,010108 d—
Strong Wind7492 d$5.5M
Heavy Rain7444 d$28K
High Wind5403 d$42.9M
Frost/Freeze531——
Drought450——
Coastal Flood339—$18.4M
Heavy Snow338—$564K
Cold/Wind Chill325—$100K
Events by year
19962026
Notable events (162)
Events with deaths, major damage, or a strong tornado — deadliest first.
HeatJuly 2, 2002
Southern Baltimore · 17 killed ·
HeatJuly 4, 1999
Southern Baltimore · 15 killed · 200 injured ·
Excessive HeatJuly 3, 2018
Southern Baltimore · 8 killed ·
Flash FloodJune 27, 2006
Frederick · 5 killed · 1 injured · $500K damage
HeatAugust 1, 2002
Southern Baltimore · 5 killed ·
HeatAugust 1, 2006
Southern Baltimore · 4 killed ·
Flash FloodNovember 19, 2003
Baltimore City (C) · 4 killed ·
HeatJuly 16, 2018
Southern Baltimore · 3 killed ·
Excessive HeatJuly 5, 2012
Southern Baltimore · 3 killed ·
HeatAugust 12, 2002
Southern Baltimore / Baltimore (C) · 3 killed ·
HeatJune 25, 2002
Southern Baltimore · 3 killed ·
HeatAugust 6, 2001
Southern Baltimore / Baltimore (C) · 3 killed ·
Tornado (F3)September 24, 2001
Prince George'S · 2 killed · 55 injured · $100.0M damage
Flash FloodJuly 30, 2016
Howard · 2 killed · $22.4M damage
Tornado (F2)April 28, 2002
Calvert · 2 killed · $10.0M damage
Flash FloodJune 19, 1996
Baltimore · 2 killed · $25K damage
Tornado (EF1)November 2, 2018
Baltimore City (C) · 2 killed ·
Flash FloodAugust 31, 2018
Harford · 2 killed ·
HeatAugust 6, 2018
Southern Baltimore · 2 killed ·
HeatJuly 17, 2018
Anne Arundel · 2 killed ·
Winter WeatherDecember 17, 2016
Southern Baltimore · 2 killed · 12 injured ·
HeatJuly 18, 2013
Southern Baltimore · 2 killed ·
HeatJuly 18, 2013
Howard · 2 killed ·
HeatJune 24, 2010
Southern Baltimore · 2 killed ·
Heavy RainJuly 7, 2005
Frederick · 2 killed ·
Thunderstorm WindSeptember 18, 2004
Cecil · 2 killed ·
HeatAugust 22, 2002
Southern Baltimore / Baltimore (C) · 2 killed ·
HeatAugust 1, 2002
Prince Georges · 2 killed ·
HeatJuly 28, 2002
Southern Baltimore / Baltimore (C) · 2 killed ·
HeatJuly 22, 2002
Southern Baltimore / Baltimore (C) · 2 killed ·
HeatJuly 2, 2002
Montgomery · 2 killed ·
HeatJuly 20, 1998
St. Mary'S · 2 killed ·
HeatJuly 13, 1997
Montgomery · 2 killed · 25 injured ·
Tropical StormSeptember 18, 2003
Northern Baltimore · 1 killed · $155.0M damage
Tornado (F4)April 28, 2002
Charles · 1 killed · 122 injured · $114.0M damage
Flash FloodMay 27, 2018
Howard · 1 killed · $10.5M damage
Flash FloodJune 19, 1996
Frederick · 1 killed · $5.0M damage
High WindOctober 29, 2012
Anne Arundel · 1 killed · $2.2M damage
Thunderstorm WindOctober 31, 2019
Montgomery · 1 killed · $1.5M damage
Flash FloodSeptember 1, 2021
Montgomery · 1 killed · 3 injured · $1.0M damage
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.