Maryland, 2000

Flash Flooding and Heavy Rain in Maryland, July 26, 2000

July 26, 2000 · NWS LWX · 7 events in 7 counties and zones

Showers and thunderstorms the produced very heavy rainfall moved across central Maryland during the afternoon of the 16th. Heavy rain flooded streets in Prince George's and Baltimore Counties.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

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.

Showers and thunderstorms the produced very heavy rainfall moved across central Maryland during the afternoon of the 16th. Heavy rain flooded streets in Prince George's and Baltimore Counties. Rainfall totals in Prince George's County included 2.74 inches in Beallsville, 2.25 inches in Brandywine, 2.18 inches in Dawsonville, 2.16 inches at Brown Landfill, 1.84 inches in Leeland, and 1.74 inches in South Bowie. Rainfall totals in Baltimore County included 2.60 inches at Ft. McHenry, 2.37 inches at the Maryland Science Center, 2.12 inches at Lake Roland, 1.92 inches at Carroll Park, and 1.72 inches in Perry Hall. In Anne Arundel County, numerous roads were flooded. Portions of Routes 450, 424, and 214 were closed by high water. Roads in Pasadena, Ponders Cove, Turkey Point, Shady Side, Selby on the Bay, and London Towne were also flooded. Rainfall totals included 6.58 inches in Pasadena, 5.44 inches in Hillsmere, 3.51 inches at the Naval Academy, 3.37 inches in Edgewater, 2.88 inches near Annapolis, 2.55 inches in Owings Beach, and 1.74 inches at Baltimore/Washington International Airport. In St. Mary's County, 3.20 inches fell in Ridge and Scotland, 2.46 inches fell in Tall Timbers, and 1.87 inches fell in Hollywood. MacArthur Boulevard, FDR Boulevard, and Chancellor's Run Road were closed by high water. The St. Mary's River came within 1 foot of overflowing its banks in Great Mills. In Calvert County, residents of Breezy Point, North Beach, Chesapeake Beach, Drum Point, and Cove Point reported flooded roadways and yards.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 heavy rain, 3 flash flood. Local standard time, as filed.

Heavy Rain, Prince George'S

When
July 26, 12:00 PM EST to 4:00 PM EST
Where
Prince George'S County, Countywide
Reported by
TRAINED SPOTTER
Coordinates
38.830, -76.847 (the zone’s center; the record gives no point)

Heavy Rain, Charles

When
July 26, 12:00 PM EST to 4:00 PM EST
Where
Charles County, Countywide
Reported by
TRAINED SPOTTER
Coordinates
38.474, -77.013 (the zone’s center; the record gives no point)

Flash Flood, Anne Arundel

When
July 26, 12:00 PM EST to 4:00 PM EST
Where
Anne Arundel County, Countywide
Reported by
LAW ENFORCEMENT
Coordinates
38.994, -76.568 (the zone’s center; the record gives no point)

Numerous roads were flooded.

Flash Flood, Calvert

When
July 26, 12:00 PM EST to 4:00 PM EST
Where
Calvert County, Countywide
Reported by
NEWSPAPER
Coordinates
38.535, -76.531 (the zone’s center; the record gives no point)

Low lying areas and some roads were flooded.

Flash Flood, St. Mary'S

When
July 26, 12:00 PM EST to 4:00 PM EST
Where
St. Mary'S County, Countywide
Reported by
NEWSPAPER
Coordinates
38.216, -76.529 (the zone’s center; the record gives no point)

Several roads and creeks were flooded.

Heavy Rain, Baltimore

When
July 26, 1:00 PM EST to 3:00 PM EST
Where
Baltimore County, Central Portion
Reported by
TRAINED SPOTTER
Coordinates
39.443, -76.616 (the zone’s center; the record gives no point)

Heavy Rain, Baltimore City (C)

When
July 26, 1:00 PM EST to 3:00 PM EST
Where
Baltimore City (C) County, Baltimore
Reported by
TRAINED SPOTTER
Coordinates
39.290, -76.612 (the zone’s center; the record gives no point)

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, July 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: 5164567, 5164568, 5164570, 5176125, 5176126, 5164566, 5164569.