Thunderstorms spawned tornadoes in Washington and Frederick Counties. Other strong thunderstorms also produced wind and hail damage across North Central Maryland and the Metropolitan areas of Baltimore and Washington DC.  Downed trees and power lines caused power outages for over 100,000 customers. Penny to golfball size hail damaged cars and gardens. Lightning strikes started a number of house fires according to Fire and Rescue Personnel. Maryland State Police responded to several accidents blamed on the pelting hail and ponding of water on roadways.

Tornado in FREDERICK, MARYLAND
From 25-MAY-04 16:56:00 to 25-MAY-04 16:58:00 (EST)
Location: WOLFSVILLE
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

A very weak tornado touched down about one-half mile from the Frederick and Washington County line.The storm remained over rural areas and rugged terrain.

Hail in WASHINGTON, MARYLAND
From 25-MAY-04 16:40:00 to 25-MAY-04 16:40:00 (EST)
Location: LEITERSBURG
Magnitude: 1.75 
Property damage: 10K
Reported by: NEWSPAPER

Quarter to golf ball size hail associated with a tornadic thunderstorm caused damage to crops and a couple of cars in the Leitersburg community.

Thunderstorm Wind in BALTIMORE CITY (C), MARYLAND
From 25-MAY-04 18:30:00 to 25-MAY-04 18:30:00 (EST)
Location: BALTIMORE
Magnitude: 55 EG
Property damage: 2K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees down.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 25-MAY-04 16:55:00 to 25-MAY-04 16:55:00 (EST)
Location: LEITERSBURG
Magnitude: 70 EG
Property damage: 5K
Reported by: FIRE DEPT/RESCUE SQUAD

Several buildings with roof damage and partial building collapses.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 25-MAY-04 19:23:00 to 25-MAY-04 19:23:00 (EST)
Location: BETHESDA
Magnitude: 50 EG
Property damage: 2K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees down on power lines.

Thunderstorm Wind in CALVERT, MARYLAND
From 25-MAY-04 21:05:00 to 25-MAY-04 21:05:00 (EST)
Location: PRINCE FREDERICK
Magnitude: 50 EG
Property damage: 3K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees down.

Hail in PRINCE GEORGE'S, MARYLAND
From 25-MAY-04 20:04:00 to 25-MAY-04 20:04:00 (EST)
Location: CLINTON
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Nickel size hail reported.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 25-MAY-04 18:50:00 to 25-MAY-04 18:50:00 (EST)
Location: POTOMAC
Magnitude: 55 EG
Property damage: 3K
Reported by: FIRE DEPT/RESCUE SQUAD

Several trees and power lines down.

Thunderstorm Wind in HARFORD, MARYLAND
From 25-MAY-04 18:50:00 to 25-MAY-04 18:50:00 (EST)
Location: BEL AIR
Magnitude: 60 EG
Property damage: 4K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees and power lines down across the county.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 25-MAY-04 18:50:00 to 25-MAY-04 18:50:00 (EST)
Location: SEVERN
Magnitude: 55 EG
Property damage: 2K
Reported by: FIRE DEPT/RESCUE SQUAD

Many trees and power lines down in north Anne Arundel County.

Tornado in WASHINGTON, MARYLAND
From 25-MAY-04 16:37:00 to 25-MAY-04 16:45:00 (EST)
Location: LEITERSBURG
Tornado F-scale: F1
Property damage: 250K
Reported by: NWS STORM SURVEY

A weak tornado touched down 1 mile southwest of Leitersburg, MD. The storm tracked from northwest to southeast. Damage from the tornado include a peeled barn roof, structural damage to several homes and numerous downed trees. Quarter to golf ball size hail was also reported.

Hail in WASHINGTON, MARYLAND
From 25-MAY-04 16:35:00 to 25-MAY-04 16:35:00 (EST)
Location: HALFWAY
Magnitude: 0.75 
Reported by: AMATEUR RADIO

Penny size hail reported.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 25-MAY-04 16:45:00 to 25-MAY-04 16:45:00 (EST)
Location: HAGERSTOWN
Magnitude: 52 MG
Reported by: AMATEUR RADIO

Lightning in HARFORD, MARYLAND
From 25-MAY-04 19:05:00 to 25-MAY-04 19:05:00 (EST)
Location: ABERDEEN
Reported by: EMERGENCY MANAGER

Building fire caused by lightning. Damage amount unknown.

Lightning in HARFORD, MARYLAND
From 25-MAY-04 19:20:00 to 25-MAY-04 19:20:00 (EST)
Location: WHITEFORD
Reported by: NEWSPAPER

House fire due to lightning. Damage amount unknown.

Lightning in MONTGOMERY, MARYLAND
From 25-MAY-04 19:30:00 to 25-MAY-04 19:30:00 (EST)
Location: POTOMAC
Property damage: 1.25M
Reported by: NEWSPAPER

Lightning caused severe damage to a home in Montgomery County.

Thunderstorm Wind in CARROLL, MARYLAND
From 25-MAY-04 17:15:00 to 25-MAY-04 17:15:00 (EST)
Location: TANEYTOWN
Magnitude: 60 EG
Property damage: 4K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees down across the county.

Hail in FREDERICK, MARYLAND
From 25-MAY-04 17:59:00 to 25-MAY-04 17:59:00 (EST)
Location: FREDERICK
Magnitude: 0.88 
Reported by: AMATEUR RADIO

Nickel size hail reported.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 25-MAY-04 18:05:00 to 25-MAY-04 18:05:00 (EST)
Location: REISTERSTOWN
Magnitude: 60 EG
Property damage: 5K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees and power lines down countywide.