Howard storm history
Storm events recorded in Howard, Maryland between 1950 and 2025.
838
Total events
19
Tornadoes
55
Hail
167
Floods
7
Deaths
$47.5M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
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.
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.
Thunderstorm Wind Thunderstorm Wind
Trees blew down across MD-144 Frederick Road near MD-97 Roxbury Mills Road.
Thunderstorm Wind Thunderstorm Wind
Dozens of trees blew down in Glenwood and Lisbon.
Thunderstorm Wind Thunderstorm Wind
Several trees blew down in and near Columbia, including along Harpers Farm Road, Cedar Lane, and Homewood Road.
Thunderstorm Wind Thunderstorm Wind
Dozens of large trees and branches blew down between Jessup and Savage. Numerous trees blew down on northbound US-1 Washington Boulevard at Corridor Road. Numerous large trees and branches blew down on Vollmerhausen Road between the Little Patuxent River and Savage Guilford Road,…
Thunderstorm Wind Thunderstorm Wind
Trees blew down on southbound US-29 Columbia Pike at Exit 21A/southbound MD-108 Clarksville Pike. Trees blew down on MD-175 Rouse Parkway/Little Patuxent Parkway at US-29 Columbia Pike.
Thunderstorm Wind Thunderstorm Wind
Several trees and wires blew down in central Howard County, including along Carroll Mill Road near Folly Quarter Road where trees fell onto wires cracking a pole.
Thunderstorm Wind Thunderstorm Wind
Tree damage was reported near Scaggsville, including a large tree that blew down in the 10600 block of Delfield Court.
Thunderstorm Wind Thunderstorm Wind
Several trees and branches blew down near Simpsonville, including in the 6000 block of Lochridge Road, and in the 10000 block of Green View Way.
Thunderstorm Wind Thunderstorm Wind
Several trees and light poles blew down on Broken Land Parkway between Hickory Ridge Road and US-29 Columbia Pike.
Thunderstorm Wind Thunderstorm Wind
A tree and branches blew down near the intersection of Overheart Lane and Pressed Gentian.
Thunderstorm Wind Thunderstorm Wind
Trees and wires blew down near the intersection of US-1 Washington Boulevard and Kit Kat Road.
Lightning Lightning
Lightning struck a house in the 6300 block of Sandchain Road causing a fire along the roof line.
Thunderstorm Wind Thunderstorm Wind
Tree damage was reported near Columbia, including a tree that blew down in the 9400 block of North Penfield Road.
Thunderstorm Wind Thunderstorm Wind
Trees blew down near the Royal Farms on Snowden River Parkway in Columbia.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 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 | 11 | 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 |