Thunderstorms accompanied by strong winds and heavy rainfall affected the Mid Atlantic region during the evening of the 17th. Reports of downed trees, a weak tornado,  lightning strikes, and torrential rainfall came from Northeast and Lower Southern Maryland. A weak tornado touched down just outside of LaPlata in Charles County. Many homes and structures were damaged by fire and water. Firemen reported several fires caused by lightning in St. Mary's and Prince Georges Counties. Emergency personnel also reported the ceiling of a restaurant in Inverson Mall in Hill Crest Heights collapsed under the weight of rain water, and flash flooding necessitated a water rescue on the Suitland Parkway.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 17-JUN-04 14:20:00 to 17-JUN-04 14:20:00 (EST)
Location: BRADSHAW
Magnitude: 65 EG
Property damage: 2K
Reported by: LAW ENFORCEMENT

Trees down.

Lightning in PRINCE GEORGE'S, MARYLAND
From 17-JUN-04 19:20:00 to 17-JUN-04 19:20:00 (EST)
Location: HYATTSVILLE
Reported by: FIRE DEPT/RESCUE SQUAD

House fire caused by lightning. Amount of damage unknown.

Lightning in PRINCE GEORGE'S, MARYLAND
From 17-JUN-04 19:30:00 to 17-JUN-04 19:30:00 (EST)
Location: BRANDYWINE
Reported by: FIRE DEPT/RESCUE SQUAD

Lightning caused a house fire in Brandywine. Damage amount is unknown.

Lightning in ANNE ARUNDEL, MARYLAND
From 17-JUN-04 17:00:00 to 17-JUN-04 17:00:00 (EST)
Location: GAMBRILLS
Property damage: 350K
Reported by: FIRE DEPT/RESCUE SQUAD

Lightning started a fire at a home in Gambrills and caused extensive damage.

Lightning in ST. MARY'S, MARYLAND
From 17-JUN-04 19:16:00 to 17-JUN-04 19:16:00 (EST)
Location: CALIFORNIA
Reported by: FIRE DEPT/RESCUE SQUAD

Lighting sparked a fire at a home in California. Damage amounts were unknown.

Thunderstorm Wind in CHARLES, MARYLAND
From 17-JUN-04 18:15:00 to 17-JUN-04 18:15:00 (EST)
Location: WALDORF
Magnitude: 60 EG
Property damage: 2K
Reported by: FIRE DEPT/RESCUE SQUAD

Trees down across the county.

Flash Flood in ANNE ARUNDEL, MARYLAND
From 17-JUN-04 19:30:00 to 17-JUN-04 21:00:00 (EST)
Location: DEALE
Reported by: EMERGENCY MANAGER

Many roads covered by water.

Thunderstorm Wind in CHARLES, MARYLAND
From 17-JUN-04 18:15:00 to 17-JUN-04 18:15:00 (EST)
Location: LA PLATA
Magnitude: 51 MG
Property damage: 1K
Reported by: AWOS,ASOS,MESONET,ETC

Trees down.

Flash Flood in ANNE ARUNDEL, MARYLAND
From 17-JUN-04 17:00:00 to 17-JUN-04 21:00:00 (EST)
Location: ANNAPOLIS
Reported by: FIRE DEPT/RESCUE SQUAD

Two roads closed due to high water.

Funnel Cloud in CALVERT, MARYLAND
From 17-JUN-04 18:42:00 to 17-JUN-04 18:44:00 (EST)
Location: WALLVILLE
Reported by: LAW ENFORCEMENT

A funnel cloud was observed near the Sandsgate area near the Patuxent River by Law Enforcement Officers.

Flash Flood in PRINCE GEORGE'S, MARYLAND
From 17-JUN-04 19:30:00 to 17-JUN-04 21:00:00 (EST)
Location: BRANDYWINE
Reported by: EMERGENCY MANAGER

Several roads closed across the central and southern parts of the county due to high water.

Lightning in ST. MARY'S, MARYLAND
From 17-JUN-04 19:32:00 to 17-JUN-04 19:32:00 (EST)
Location: LEONARDTOWN
Property damage: 15K
Reported by: FIRE DEPT/RESCUE SQUAD

Lightning ignited a fire in a shed near Leonardtown.

Lightning in PRINCE GEORGE'S, MARYLAND
From 17-JUN-04 19:15:00 to 17-JUN-04 19:15:00 (EST)
Location: BOWIE
Property damage: 300K
Reported by: FIRE DEPT/RESCUE SQUAD

House fire caused by lightning.

Tornado in CHARLES, MARYLAND
From 17-JUN-04 18:10:00 to 17-JUN-04 18:13:00 (EST)
Location: LA PLATA
Tornado F-scale: F0
Reported by: NWS STORM SURVEY

A weak tornado touched down on the northside of LaPlata. It was short lived and only remained on the ground for a few minutes.  It uprooted and topped about 30 trees.

Lightning in ST. MARY'S, MARYLAND
From 17-JUN-04 18:50:00 to 17-JUN-04 18:50:00 (EST)
Location: LOVEVILLE
Property damage: 120K
Reported by: FIRE DEPT/RESCUE SQUAD

Lightning caused a fire at a cabinet shop in Loveville.

Flash Flood in CHARLES, MARYLAND
From 17-JUN-04 19:15:00 to 17-JUN-04 21:00:00 (EST)
Location: WALDORF
Reported by: AMATEUR RADIO

Numerous roads covered by water.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 17-JUN-04 18:40:00 to 17-JUN-04 18:40:00 (EST)
Location: MECHANICSVILLE
Magnitude: 65 EG
Property damage: 3K
Reported by: AMATEUR RADIO

Numerous trees down across the northern portion of the county.

Flash Flood in ST. MARY'S, MARYLAND
From 17-JUN-04 19:20:00 to 17-JUN-04 21:00:00 (EST)
Location: MECHANICSVILLE
Reported by: AMATEUR RADIO

Several roads closed due to high water.