638
Recorded events
2
Direct deaths
13
Direct injuries
$9.3M
Property damage
Thunderstorm Wind in Baltimore County, Maryland: 638 recorded events between 1957 and 2026. The strongest on record measured 78. That places the county #45 nationally and #2 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Baltimore County, Maryland: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Baltimore County is the 2010s, when 254 of the county's 638 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Baltimore County archive, thunderstorm wind makes up 48.3% of all recorded severe weather across 9 hazard types. Nationally the county sits at #45 for this hazard and #2 within Maryland, putting it in the 98.6 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in Baltimore County with 179 recorded events, while Dec is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Aug 3, 2017 | TIMONIUM | 50 | 1 | 3 | $0 |
| Oct 2, 1986 | 0 | 1 | 1 | $0 | |
| Jul 18, 2016 | PARKVILLE | 52 | 0 | 2 | $0 |
| Jul 5, 1990 | 0 | 0 | 2 | $0 | |
| Aug 15, 1988 | 0 | 0 | 2 | $0 | |
| Mar 1, 2017 | CHADWICK MANOR | 52 | 0 | 1 | $0 |
| Aug 20, 1991 | 0 | 0 | 1 | $0 | |
| Nov 16, 1989 | 65 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Mar 16, 2026 | EDGEMERE | 52 | $2K |
| Mar 16, 2026 | HALETHORPE | 52 | $1K |
| Mar 16, 2026 | STONELEIGH | 52 | $2K |
| Mar 16, 2026 | CATONSVILLE MANOR | 52 | $2K |
| Mar 16, 2026 | HUNT VLY | 52 | $3K |
| Mar 11, 2026 | BARE HILLS | 52 | $3K |
| Mar 11, 2026 | ECCLESTON | 61 | $20K |
| Mar 11, 2026 | LOCHEARN | 61 | $10K |
| Nov 6, 2025 | GLEN ARM | 52 | $4K |
| Nov 6, 2025 | ROGERS FORGE | 52 | $4K |
Other hazards here
More from Baltimore County
- Flash Flood 314
- Flood 162
- Hail 146
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Hundreds of trees blew down west of Cockeysville. Numerous trees blew down along MD-25 Falls Road near Shawan Road. Trees blew down on southbound I-83 near Exit 18/MD-943 Warren Road. Numerous trees blew down along MD-25 Falls Road near Greenway Road. Trees blew down on I-83 near Exit 24/Belfast Road.
Hundreds of trees and wires blew down across northern Baltimore County, including near Timonium and White Hall. Some fell onto cars and structures, and some homes had minor roof and siding damage. A campground near Freeland had several large trees uprooted and snapped, at least one onto a trailer. Additional trees were snapped and uprooted in Parkton.
Numerous trees blew down around Cockeysville. Approximately 10 trees blew down along Phoenix Road. Numerous trees and power lines blew down along Paper Mill Road. Numerous trees were snapped and uprooted in the Monkton, Sparks, and Hereford areas nearby, including along Blenheim Road North.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Baltimore County, Maryland?
638 thunderstorm wind events are recorded in Baltimore County between 1957 and 2026, causing 2 direct deaths.
What is the strongest thunderstorm wind recorded in Baltimore County?
The strongest thunderstorm wind on record in Baltimore County measured 78.
Where does the thunderstorm wind data for Baltimore County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Thunderstorm Wind in Baltimore County, Maryland.” Severe Weather History. severeweatherhistory.com/county/maryland/baltimore-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.