Howard County, Maryland
Tornadoes, hail, floods and severe storms recorded here between 1969 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
20
Tornado reports
55
Hail reports
167
Floods since 1996
856
All events
7
Deaths
$48.0M
Property damage
Tornado paths in Howard County
The part of each tornado’s path NOAA recorded in this county, 19 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Catastrophic flash flooding occurred in Ellicott City as a result of torrential short-term rainfall of 6-10 inches. One person died during a lull in the flooding when he attempted to help another person evacuate and was swept away. Floodwaters on the lower portion of Main Street …
The survey revealed clear signs of flooding both from the Patapsco River and from flash flooding within Ellicott City. Signs of flooding, including damaged pavement, were observed as far up as the intersection of Rogers Avenue and Frederick Road, where Hudson Branch came out of i…
A pickup truck was swept off Brock Bridge Road by flood waters. The truck moved 150 feet south and ended in the Patuxent River.
Heat indices were around 105 to 107 degrees at Westminster.
National Weather Service Baltimore/Washington Weather Forecast Office staff conducted a ground survey of storm damage that occurred in the Long Reach village of Columbia, MD, on the evening of Wednesday, June 5, 2024. Damage was reported in Columbia, MD, in Long Reach village at …
Wind gusts of 61-63 mph were measured by spotters and a mesonet. There were scattered trees down and power outages county-wide. There were many roads blocked due to fallen trees.
Thunderstorm Wind Thunderstorm Wind
Trees and wires blew down on MD-94 Woodbine Road at Old Annapolis Road.
Thunderstorm Wind Thunderstorm Wind
Several trees blew down in eastern Howard County in Ellicott City, Scaggsville, Ilchester, and Columbia, including one onto a car on Scarecrow Court in Columbia.
Thunderstorm Wind Thunderstorm Wind
Multiple small trees blew down in the median of I-70 near the Woodbine Road exit (exit 73).
Thunderstorm Wind Thunderstorm Wind
Trees blew down blocking MD-94 Woodbine Road near Annapolis Rock Road.
Thunderstorm Wind Thunderstorm Wind
Multiple trees and wires blew down on MD-94 Woodbine Road near Florence Road, and across western Howard County to MD-144 Frederick Road.
Thunderstorm Wind Thunderstorm Wind
Several windows were blown out, numerous trees blew down, and siding damage occurred to a house near the intersection of Daisy Road and MD-144 Frederick Road.
Thunderstorm Wind Thunderstorm Wind
Numerous trees and wires blew down along MD-144 Frederick Road between Morgan Station Road and MD-97 Roxbury Mills Road.
Thunderstorm Wind Thunderstorm Wind
Numerous trees blew down on Bushy Park Road between MD-144 Frederick Road and Millers Mill Road.
Thunderstorm Wind Thunderstorm Wind
Trees blew down on MD-144 Frederick Road near Pfefferkorn Road.
Thunderstorm Wind Thunderstorm Wind
Multiple trees blew down at spotter's home location on Grinstead Court. Trees down onto houses on this street according to County EM.
Thunderstorm Wind Thunderstorm Wind
Large trees blew down on Howard Lodge Drive, River Road, and Taylor Park Road.
Thunderstorm Wind Thunderstorm Wind
Trees and wires blew down along MD-32 Sykesville Road between River Road and Deer Hill Road.
Thunderstorm Wind Thunderstorm Wind
Trees blew down onto houses in the 1300 to 1500 block of Driver Road.
Tornado EF1 Tornado
A supercell thunderstorm moved through northern Montgomery and northwestern Howard Counties in Maryland during the evening hours of Wednesday March 11, 2026. The bow echo and associated downbursts/thunderstorm wind gusts caused sporadic tree damage from 60-80mph gusts, and create…
Flash Flood Flash Flood
At least six inches of flowing water over the roadway at the intersection of Flag Marsh Road and Newport Road.
Flash Flood Flash Flood
Davis Avenue was closed around North 2nd Street due to at least six inches of flowing water.
Flash Flood Flash Flood
Gorman Road was closed around Foundary Street due to at least six inches of flowing water over the roadway.
Flash Flood Flash Flood
Maryland Route 97 closed due to flooding at Hoods Mill Road.
Thunderstorm Wind Thunderstorm Wind
There were multiple reports of trees blown down in Columbia.
Thunderstorm Wind Thunderstorm Wind
There were multiple reports of trees and wires blown down in Laurel.
Thunderstorm Wind Thunderstorm Wind
A tree blew down onto a car in the 13000 block of Old Frederick Road in Sykesville.
Thunderstorm Wind Thunderstorm Wind
A tree blew down near the intersection of Court House Drive and Martha Bush Drive.
Thunderstorm Wind Thunderstorm Wind
Trees blew down on southbound US-29 at Exit 25A/westbound I-70. Trees blew down on MD-144 Frederick Road at Starhill Lane.
Thunderstorm Wind Thunderstorm Wind
Trees blew down in the 5700 block of Trotter Road.
Flash Flood Flash Flood
At least six inches of flowing water over Guilford Road and Old Columbia Road.
Thunderstorm Wind Thunderstorm Wind
Several trees blew down on Harpers Farm Road.
Thunderstorm Wind Thunderstorm Wind
A pair of trees blew down in the Kendall Ridge neighborhood.
Hail Hail
Ping pong ball size hail was reported near Glenwood.
Thunderstorm Wind Thunderstorm Wind
Multiple large tree branches snapped.
Flash Flood Flash Flood
One foot o flowing water was on Main Street in the west end residential area, near a culvert overtopping.
Thunderstorm Wind Thunderstorm Wind
Trees blew down blocking the road near the intersection of Gaither Road and Forsythe Road.
Thunderstorm Wind Thunderstorm Wind
Multiple trees blew down in the 5900 block of Turnabout Lane, including one onto an apartment building.
Thunderstorm Wind Thunderstorm Wind
Several trees blew down along Hesperus Drive, including a few snapped pine trees.
Thunderstorm Wind Thunderstorm Wind
Tree damage was reported near Historic Ellicott City, including a large tree that blew down near the intersection of Linwood Drive and Rogers Avenue.
Thunderstorm Wind Thunderstorm Wind
Several trees and large tree limbs blew down along MD-144 Frederick Road near Woodbine.
Thunderstorm Wind Thunderstorm Wind
Trees blew down along US-40 Baltimore National Pike between Pebble Beach Drive and Frederick Road.
Flood Flood
The stream gauge on the Little Patuxent River near Savage entered minor flood stage. At this level, riverside trails begin to flood. Water also approaches Brock Bridge Road.
Flood Flood
Little Patuxent River in Howard County reached minor flooding at 1:40 AM, eventually cresting at 12.27 feet before falling below minor flood stage around 10:15 AM.
Thunderstorm Wind Thunderstorm Wind
Multiple trees blew down on MD-144 Frederick Road and Fairgrounds Road.
Thunderstorm Wind Thunderstorm Wind
Trees blew down on eastbound I-70 Baltimore National Pike between mile markers 82.0 and 83.0.
Hail Hail
There were multiple reports of large hail around quarter size in West Friendship.
Thunderstorm Wind Thunderstorm Wind
Trees and wires blew down on MD-27 Ridge Road at Penn Shop Road.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 14 | 1 |
| 2025 | 15 | 0 |
| 2024 | 9 | 1 |
| 2023 | 18 | 0 |
| 2022 | 13 | 0 |
| 2021 | 26 | 1 |
| 2020 | 42 | 0 |
| 2019 | 42 | 2 |
| 2018 | 46 | 1 |
| 2017 | 20 | 0 |
| 2016 | 36 | 1 |
| 2015 | 21 | 1 |
| 2014 | 58 | 1 |
| 2013 | 24 | 0 |
| 2012 | 53 | 2 |
| 2011 | 44 | 0 |
| 2010 | 19 | 0 |
| 2009 | 18 | 1 |
| 2008 | 19 | 0 |
| 2007 | 21 | 0 |
| 2006 | 22 | 0 |
| 2005 | 21 | 0 |
| 2004 | 12 | 0 |
| 2003 | 32 | 0 |
| 2002 | 27 | 0 |
| 2001 | 27 | 1 |
| 2000 | 36 | 1 |
| 1999 | 23 | 0 |
| 1998 | 21 | 0 |
| 1997 | 15 | 0 |
| 1996 | 25 | 1 |
| 1995 | 2 | 1 |
| 1994 | 6 | 0 |
| 1993 | 4 | 0 |
| 1992 | 5 | 2 |
| 1991 | 2 | 0 |
| 1990 | 4 | 0 |
| 1989 | 1 | 0 |
| 1988 | 1 | 0 |
| 1986 | 2 | 0 |
| 1983 | 1 | 0 |
| 1978 | 2 | 1 |
| 1976 | 1 | 0 |
| 1975 | 2 | 1 |
| 1974 | 1 | 0 |
| 1973 | 1 | 0 |
| 1969 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Howard County, measured to its path.
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