F1 tornado, Overlea, Maryland, May 13, 2000

1. F040 to 72 mph

   Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

2. F173 to 112 mphthis tornado

   Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

3. F2113 to 157 mph

   Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

4. F3158 to 206 mph

   Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

5. F4207 to 260 mph

   Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

6. F5261 to 318 mph

   Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

7. Unrated

   The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

Rating

F1

Date

May 13, 2000

Touchdown

8:00 PM EDT (00:00 UTC)

Path length

5.0 miles (8.0 km)

Path width

70 yards (64 m)

Deaths

0

Injuries

0

Property damage

$250,000

County

Baltimore County

Touchdown point

39.330, -76.530

Lift-off point

39.370, -76.450

Record number

824

Temperatures in the mid 80s to lower 90s in combination with humid conditions resulted in several rounds of thunderstorms across Maryland west of the Chesapeake Bay from midday through late evening on the 13th. Several storms produced winds in excess of 55 MPH, large hail, frequent lightning, and very heavy downpours. Two tornadoes were also reported. In Washington County, dime sized hail fell at Camp Manidokan along Harpers Ferry Road north of Sandy Hook. Winds estimated at 70 MPH were responsible for downing trees at the camp. Tree damage was also reported near Smithsburg and Gapland. Trees and power lines were downed in Hagerstown and one fallen tree damaged a car. A backed up storm drain also caused the underpass of Memorial Boulevard to flood, stranding one motorist. In Frederick County, trees were downed in Burkettesville and Emmitsburg. A tree was downed onto a home and truck in Middletown where a wind gust of 56 MPH was recorded and pea sized hail fell. A wind gust of 43 MPH was recorded in Knoxville. In Carroll County, a 40 year old woman was struck by lightning while standing in her front yard in Mt. Airy around 3:15 PM EDT. She suffered internal injuries and burns to her hands and feet. Dime sized hail fell in Millers where a wind gust of 62 MPH was recorded. Winds in excess of 60 MPH damaged or destroyed 3 barns and a grain bin and pushed a tree onto a home in Lineboro. A wind gust of 64 MPH was recorded where walnut sized hail fell in the northeast portion of the county. Trees, power lines, and homes were damaged by high wind in Manchester where nickel sized hail fell. Hen egg sized hail fell in Eldersburg. Spiral patterns nearly 80 feet in diameter were reported in a wheat field near Sykesville after the storms. In Baltimore County, quarter sized hail fell in the city of Baltimore and pea sized hail fell in Riesertown. Trees were downed onto a home and onto roads in Perry Hall. A tree fell through the roof of a building on Old Harford Road. Fences were blown down in Middle River. Quarter sized hail fell in Cockeysville. An F1 tornado crossed 5 miles of southeast Baltimore County between 8:00 PM and 8:10 PM EDT. The tornado was 75 yards wide and began just off Kenwood Avenue near the Interstate 95 and 695 interchange east of the city of Baltimore. It moved east uprooting and snapping trees and branches and causing damage to the trim and exterior of over a dozen homes. A large boat and trailer was rotated around. The tornado crossed Interstate 695 and damaged the roof of four townhouses off Fontana Lane. It crossed Rossville Boulevard and Philadelphia Road and damaged several buildings in an industrial park along Yellow Brick Road. The tornado finally dissipated near Pulaski Highway. Nearly 55,000 customers in the area lost power. In Harford County, dime to golfball sized hail fell in Bel Air. Pea sized hail fell from Carrotsville to Forest Hill. Several trees and power lines were downed. The most extensive area of tree damage was in Edgewood, Joppatowne, Pleasant Hill, and Bel Air. A tree and car in Edgewood were damaged by fallen trees. Automobiles were also damaged by felled trees in Aberdeen and Norrisville. Near Perryman in the southeast portion of the county, trees were downed onto a home and car along the Bush River. A funnel cloud was spotted in Abbington. At the peak of the storm, 30,000 county residents lost power. Three homes in Bel Air, two homes in Darlington, and one home in Jarrettsville were struck by lightning. In Howard County, a 57 MPH wind gust was recorded in Fulton along with pea sized hail. Trees were downed along Route 32 near Columbia and near Clarksville. In Anne Arundel County, several trees were downed onto roads in the southern portion of the county. Nearly 7000 county customers lost power as a direct result of the storm. In Montgomery County, trees were downed in Damascus, Boyds, and Olney. In Charles County, pea to marble sized hail fell in St. Charles. In Prince George's County, downed trees and power lines were reported in Clinton, Suitland, Accokeek, Oxon Hill, Brandywine, Upper Marlboro, Ft. Washington, and Temple Hills. Some roads were blocked by fallen trees. Dime size hail fell in Accokeek. Winds of 60 MPH were estimated in Clinton and Upper Marlboro. Winds of at least 60 MPH pushed a car on Route 301 near Clinton into a median and tipped it on its side. A wind gust of at least 90 MPH was recorded at Andrews Air Force Base. A funnel cloud was also spotted nearby. An F1 tornado touched down about 1 mile east of Brandywine at 7:45 PM EDT. The tornado traveled on the ground for 8 miles and was 150 yards wide. It moved northeast to near Naylor crossing Keys Road, Molly Berry Road, Croom Road, Nottingham Road, and into a park along the Patuxent River. The tornado felled several trees, some onto cars and homes as it moved across the county, knocking out power to 51,000 customers. The F1 tornado crossed into Calvert County 4 miles west of Chaney. It moved east, crossing Lyons Creek Road, Route 4, Chaney Road, and Chesapeake Beach Road before dissipating near Chaney around 8:10 PM EDT. The tornado downed trees onto cars and houses in the area. One motorist was injured on Route 4 when the tornado downed a tree onto a car. In addition, winds in excess of 55 MPH downed a tree and damaged the exterior of homes in Dunkirk.

A tornado downed numerous trees and damaged several structures.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

No tornado warning for this county appears in the archive as in force at the moment the tornado touched down.

Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.

The Storm Prediction Center had this point in a Slight Risk. The outlook in force was issued at 20:17 UTC.

SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.

Baltimore/Martin (MTN), 7 km from the path, in the two hours either side.

From the Iowa Environmental Mesonet's archive of airport observations.

The Sterling radar (KLWX), 96 km away, was scanning. The volume nearest the touchdown began at 00:05 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

The live radar over the trackEvery 2000 tornado in MarylandEvery tornado in Maryland since 1950Warnings in force in Maryland nowThe forecast where you are

2 more were confirmed in the United States that day.

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.