Tornado, Frederick
- When
- July 31, 6:15 PM CST
- Where
- Frederick County
- Rating
- F2
- Path length
- 1.5 mi
- Path width
- 100 yd
- Property damage
- $25,000
- Coordinates
- 39.400, -77.350
Tornadoes in Maryland, July 31, 1978
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
- 2
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
2 tornado. Local standard time, as filed.
Tornado, Howard
- When
- July 31, 7:15 PM CST
- Where
- Howard County
- Rating
- F2
- Path length
- 0.8 mi
- Path width
- 40 yd
- Property damage
- $250,000
- Coordinates
- 39.300, -77.070
What these are
- 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
- Tornado and Damaging Wind in North Carolina, July 31, 1978
- Tornado and Hail in Wyoming, July 31, 1978
- Tornado in Texas, July 31, 1978
- Damaging Winds in Virginia, July 31, 1978
- Damaging Winds in Alabama, July 31, 1978
- Damaging Wind in Nebraska, July 31, 1978
- Damaging Wind in Louisiana, July 31, 1978
- Damaging Wind in Georgia, July 31, 1978
- Damaging Wind in South Carolina, July 31, 1978
- Damaging Wind in Wisconsin, July 31, 1978
More
Every storm in Maryland in 1978Every state in 1978This day in weather historyThe tornado archive for Maryland, 1978
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: 10042105, 10042106.