Heavy Rain, Harford
- When
- August 27, 3:00 PM EST to 7:00 PM EST
- Where
- Harford County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.536, -76.299 (the zone’s center; the record gives no point)
Damaging Wind and Lightning Strike in Maryland, August 27, 2000
An area of showers and thunderstorms moved across Maryland between 2:30 PM and 8:00 PM EDT on the 27th. These storms produced very heavy rainfall, small hail, frequent lighting, and gusty winds.
Where it happened
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- $100,000
- Crop damage
- None recorded
- Events
- 8
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.
An area of showers and thunderstorms moved across Maryland between 2:30 PM and 8:00 PM EDT on the 27th. These storms produced very heavy rainfall, small hail, frequent lighting, and gusty winds. In Anne Arundel County, the police department received 15 calls for either downed trees or power lines after the storms moved through. Nearly 10,000 customers in the area lost power. In Montgomery County, two homes were damaged by lighting fires. One home received $80,000 in damaged to its attic and the other home received $15,000 in damage. A total of 1.74 inches of rain fell in Damascus. Little Bennet Creek flooded Kings Valley Road temporarily after the deluge. In Prince George's County, a wind gust of 50 MPH was estimated at Beltsville. Rainfall totals across the county included 1.74 inches at Lake Arbor, 1.71 inches in Beltsville, and 1.67 inches at Harry Truman Drive. Street flooding was reported in College Park. In Frederick County, pea to bean sized hail fell in Wolfsville. A total of 2.70 inches of rain fell in Thurmont. In Carroll County, minor flooding was reported in Westminister. Rainfall totals included 2.70 inches in Westminister and 2.25 inches in Finksburg. In Baltimore County, just over 2 inches of rain fell in Towson. In Harford County, 1.83 inches fell at Conowingo Dam and a wind gust of 48 MPH was reported in Aberdeen.
The radar
The national radar mosaic for the moment the first event began.
Event by event
6 heavy rain, 1 thunderstorm wind, 1 lightning. Local standard time, as filed.
Heavy Rain, Baltimore
- When
- August 27, 3:00 PM EST to 7:00 PM EST
- Where
- Baltimore County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.443, -76.616 (the zone’s center; the record gives no point)
Heavy Rain, Carroll
- When
- August 27, 3:00 PM EST to 7:00 PM EST
- Where
- Carroll County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.563, -77.022 (the zone’s center; the record gives no point)
Heavy Rain, Frederick
- When
- August 27, 3:00 PM EST to 5:00 PM EST
- Where
- Frederick County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.472, -77.398 (the zone’s center; the record gives no point)
Heavy Rain, Montgomery
- When
- August 27, 3:00 PM EST to 7:00 PM EST
- Where
- Montgomery County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
Heavy Rain, Prince George'S
- When
- August 27, 3:00 PM EST to 7:00 PM EST
- Where
- Prince George'S County, Countywide
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.830, -76.847 (the zone’s center; the record gives no point)
Thunderstorm Wind, Anne Arundel
- When
- August 27, 5:30 PM EST
- Where
- Anne Arundel County, Countywide
- Property damage
- $5,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.050, -76.600
Trees and power lines were downed.
Lightning, Montgomery
- When
- August 27, 5:45 PM EST
- Where
- Montgomery County, Silver Spg
- Property damage
- $95,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
Two house fires were started by lightning.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
- 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.
- Lightning
- A lightning strike that killed, injured or caused damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Missouri, August 27 to 31, 2000
- Damaging Wind in Indiana, August 27, 2000
- Damaging Wind in Illinois, August 27, 2000
- Damaging Wind in Georgia, August 27, 2000
- Lightning Strike in Georgia, August 27, 2000
- Damaging Wind in Indiana, August 27, 2000
- Damaging Wind in Alabama, August 27, 2000
- Flash Flooding and Hail in West Virginia, August 27, 2000
- Flash Flooding and Flood in Virginia, August 27 to 28, 2000
- Hail and Damaging Winds in Ohio, August 27, 2000
- Damaging Wind in Indiana, August 27, 2000
- Damaging Wind in Indiana, August 27, 2000
More
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, August 2000
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: 5173743, 5173744, 5173833, 5173834, 5173835, 5173836, 5173837, 5173838.