Thunderstorm Wind, Washington
- When
- July 9, 3:30 PM EST
- Where
- Washington County, Smithsburg
- Property damage
- $8,000
- Coordinates
- 39.650, -77.580
Damaging Winds in Maryland, July 9, 1997
A broken line of thunderstorms moved through northern Maryland during the afternoon, producing isolated severe weather. In Washington Co, the local sheriff''s department reported several large limbs and power lines were down.
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
- $23,000
- Crop damage
- None recorded
- Events
- 3
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.
What happened
The episode as NWS LWX wrote it up.
A broken line of thunderstorms moved through northern Maryland during the afternoon, producing isolated severe weather. In Washington Co, the local sheriff''s department reported several large limbs and power lines were down. A pickup truck cap was blown off as well. Farther east, a gust to 64 mph at Poverty Point in the Aberdeen Proving Ground knocked down numerous small to large tree limbs, and knocked down a few trees as well.Three racing sailboats were flipped in Annapolis Harbor just east of the Naval Academy sea wall. Two boats were brought upright, but one remained overturned and allegedly sunk. No persons were injured. Approximately 8,000 Baltimore Gas and Electric customers lost power during the storm.
The radar
The Sterling radar (KLWX), 75 km away, was scanning. The volume nearest the first event began at 20:27 UTC.
Event by event
3 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Anne Arundel
- When
- July 9, 5:45 PM EST
- Where
- Anne Arundel County, Annapolis
- Property damage
- $10,000
- Coordinates
- 38.970, -76.500
Thunderstorm Wind, Harford
- When
- July 9, 6:15 PM EST
- Where
- Harford County, Aberdeen Proving Grn
- Measured
- 56 kt (64 mph)
- Property damage
- $5,000
- Coordinates
- 39.470, -76.120
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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Damaging Winds in West Virginia, July 9, 1997
- Flash Flood and Damaging Winds in New York, July 9, 1997
- Hail in Nebraska, July 9, 1997
- Lightning Strike in New Hampshire, July 9, 1997
- Flash Flood and Hail in Kansas, July 9, 1997
- Damaging Winds in New York, July 9, 1997
- Flash Flooding and Hail in Mississippi, July 9, 1997
- Flood in Ohio, July 9 to 10, 1997
- Damaging Winds in Georgia, July 9, 1997
- Damaging Wind and Lightning Strike in Pennsylvania, July 9, 1997
- Lightning Strike in Maine, July 9, 1997
- Flash Flood and Damaging Winds in Massachusetts, July 9, 1997
More
Every storm in Maryland in 1997Every state in 1997This day in weather historyWarnings in Maryland, July 1997
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: 5611111, 5611112, 5611113.