Maryland, 2023Damaging Winds in Maryland, July 21, 2023
July 21, 2023 · NWS LWX · 6 events in 3 counties and zones
A line of thunderstorms (Mesoscale Convective Complex, MCS) that developed over the Midwest moved across northern Maryland and eastern West Virginia producing localized wind damage overnight. The event was noteworthy due to its timing.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 0
- Injuries
- 0
- Property damage
- $24,000
- Crop damage
- None recorded
- Events
- 6
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A line of thunderstorms (Mesoscale Convective Complex, MCS) that developed over the Midwest moved across northern Maryland and eastern West Virginia producing localized wind damage overnight. The event was noteworthy due to its timing.
Thunderstorm Wind, Frederick
- When
- July 21, 12:21 AM EST
- Where
- Frederick County, 0.61 mi ENE of Thurmont
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $2,000
- Reported by
- 911 Call Center
- Coordinates
- 39.624, -77.410
Trees blew down in the Thurmont area.
Thunderstorm Wind, Frederick
- When
- July 21, 12:55 AM EST
- Where
- Frederick County, 0.28 mi SW of New London
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $5,000
- Reported by
- 911 Call Center
- Coordinates
- 39.417, -77.254
Several trees blew down between Libertytown and New Market.
Thunderstorm Wind, Frederick
- When
- July 21, 1:00 AM EST
- Where
- Frederick County, 0.55 mi SE of Rosemont
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $5,000
- Reported by
- Department of Highways
- Coordinates
- 39.325, -77.622
Several trees blew down in the Brunswick area, including along MD-464 Souder Road/Point of Rocks Road near North Maple Avenue and Catoctin Mountain Highway.
Thunderstorm Wind, Carroll
- When
- July 21, 1:02 AM EST
- Where
- Carroll County, 1.1 mi SE of Greenmount
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $5,000
- Reported by
- 911 Call Center
- Coordinates
- 39.618, -76.856
Several trees blew down in the Hampstead area, including along Carrollton Road.
Thunderstorm Wind, Carroll
- When
- July 21, 1:09 AM EST
- Where
- Carroll County, 0.73 mi S of Flohrville
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $5,000
- Reported by
- 911 Call Center
- Coordinates
- 39.410, -76.978
Several trees blew down in the Eldersburg/Sykesville area, including on Emerald Lane, Cherry Tree Road, and Nicodemus Road.
Thunderstorm Wind, Anne Arundel
- When
- July 21, 3:29 AM EST
- Where
- Anne Arundel County, 0.45 mi SW of South Haven Beach
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $2,000
- Reported by
- NWS Employee
- Coordinates
- 38.965, -76.585
Several large tree limbs and wires blew down near Annapolis, including in the 2000 block of South Haven Road.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Excessive Heat in Mississippi, July 21, 20231 death · 1 event
- Wildfire in Idaho, July 21 to 31, 2023$2.4 million · 1 event
- Flash Flooding and Damaging Winds in Georgia, July 21 to 22, 2023$151,000 · 61 kt wind · 58 events
- Flash Flooding and Damaging Winds in Tennessee, July 21, 20231 injured · $318,000 · 66 kt wind · 20 events
- Hail in South Dakota, July 21, 2023$700,000 · 1 in hail · 5 events
- Tornado and Damaging Winds in Alabama, July 21, 2023$53,000 · EF1 · 20 events
- Damaging Winds in Oklahoma, July 21, 2023$125,000 · 73 kt wind · 7 events
- Damaging Winds and Lightning Strike in Georgia, July 21 to 23, 2023$23,000 · 55 kt wind · 37 events
- Flash Flood and Damaging Winds in Mississippi, July 21, 2023$74,000 · 61 kt wind · 9 events
- Flash Flood in Vermont, July 21, 2023$100,000 · 1 event
- Flash Flooding in Tennessee, July 21, 2023$75,000 · 6 events
- Flash Flood in Vermont, July 21, 2023$75,000 · 1 event
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1107785, 1107786, 1107790, 1107791, 1107793, 1107794.