Thunderstorm Wind, Frederick
- When
- March 21, 11:15 AM CST
- Where
- Frederick County
- Measured
- 65 kt (75 mph)
- Coordinates
- 39.420, -77.420
Tornadoes and Damaging Winds in Maryland, March 21, 1976
10 thunderstorm wind, 2 tornado, as filed by the National Weather Service.
Where it happened
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $275,000
- Crop damage
- None recorded
- Events
- 12
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.
Event by event
10 thunderstorm wind, 2 tornado. Local standard time, as filed.
Thunderstorm Wind, Carroll
- When
- March 21, 11:30 AM CST
- Where
- Carroll County
- Coordinates
- 39.580, -77.000
Thunderstorm Wind, Anne Arundel
- When
- March 21, 11:35 AM CST
- Where
- Anne Arundel County
- Coordinates
- 38.830, -76.600
Thunderstorm Wind, Calvert
- When
- March 21, 11:45 AM CST
- Where
- Calvert County
- Coordinates
- 38.680, -76.530
Thunderstorm Wind, Queen Anne'S
- When
- March 21, 11:55 AM CST
- Where
- Queen Anne'S County
- Measured
- 85 kt (98 mph)
- Coordinates
- 38.980, -76.320
Thunderstorm Wind, Harford
- When
- March 21, 12:00 PM CST
- Where
- Harford County
- Coordinates
- 39.530, -76.350
Thunderstorm Wind, Baltimore
- When
- March 21, 12:15 PM CST
- Where
- Baltimore County
- Coordinates
- 39.270, -76.520
Thunderstorm Wind, Prince George'S
- When
- March 21, 12:30 PM CST
- Where
- Prince George'S County
- Coordinates
- 38.950, -76.900
Thunderstorm Wind, Montgomery
- When
- March 21, 12:30 PM CST
- Where
- Montgomery County
- Coordinates
- 39.050, -77.050
Tornado, Cecil
- When
- March 21, 12:35 PM CST
- Where
- Cecil County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 33 yd
- Property damage
- $25,000
- Coordinates
- 39.730, -76.030
Thunderstorm Wind, Cecil
- When
- March 21, 12:45 PM CST
- Where
- Cecil County
- Coordinates
- 39.600, -75.830
Tornado, Queen Anne'S
- When
- March 21, 1:45 PM CST
- Where
- Queen Anne'S County
- Rating
- F2
- Path length
- 0.2 mi
- Path width
- 100 yd
- Property damage
- $250,000
- Coordinates
- 39.220, -75.930
What these are
- 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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Damaging Winds in Pennsylvania, March 21, 1976
- Tornadoes and Damaging Winds in New York, March 21, 1976
- Tornado and Damaging Wind in Alabama, March 21, 1976
- Tornado and Damaging Winds in Delaware, March 21, 1976
- Tornadoes and Damaging Winds in Virginia, March 21, 1976
- Tornadoes in Florida, March 21, 1976
- Damaging Winds in Massachusetts, March 21, 1976
- Damaging Winds in Connecticut, March 21, 1976
- Damaging Winds in New Jersey, March 21, 1976
- Damaging Winds in Mississippi, March 21, 1976
- Damaging Winds in Tennessee, March 21, 1976
- Damaging Wind in Georgia, March 21, 1976
More
Every storm in Maryland in 1976Every state in 1976This day in weather historyThe tornado archive for Maryland, 1976
Sources
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: 10042818, 10042819, 10042820, 10042821, 10042822, 10042823, 10042824, 10042825, 10042826, 10042827, 10042828, 10042829.