Showers and thunderstorms with very heavy rainfall moved through central Maryland between mid morning and mid afternoon.  Two to three inches of rain accumulated during this time causing roads and waterways to flood. In Washington County,    At Fairview, Conococheague Creek rose above its bankful stage of 8 feet at 11:45 AM on the 7th.  It crested at 11 feet at 12:45 AM on the 8th and fell below bankful stage at 8:45 AM on the 9th.  Much of Wishard Road was flooded along the river.   In Frederick County, At Frederick, the Monocacy River rose above its flood stage of 15 feet at 8 AM on the 8th.  It crested at 15.1 feet at 10 AM and fell below flood stage at 11:30 AM.  Water inundated the sewage treatment plant in Frederick. Carroll Creek, a tributary of the Monocacy River, overflowed onto Gas House Pike.  Heavy rainfall caused street flooding in Libertytown. Sixteen other county roads were closed by flooding countywide.  In Montgomery County, street flooding was reported in Chevy Chase. Rockville Pike (Route 355) between Rockville and Bethesda was also flooded.  In Kensington, Beach Drive was closed by high water between Connecticut Avenue and Stoneybrooke Drive. In Germantown, Great Seneca Creek flooded the intersection of Brink and Blunt roads. Twenty other county roads were also flooded. In Howard County, Furnace Avenue and South Entrance Road were closed by high water. In the western portion of the county five additional roads were flooded including Carrs Mill Road, Warfield Road, and Route 108 near Columbia. In Harford County, the intersection of routes 136 and 7 in Belcamp was flooded.  Several basements were flooded in the vicinity.  In Prince George's County, Route 50 was flooded near the exit for Route 301 after a storm drain was unable to keep up with the heavy downpours. In addition, all of the floodgates had to be opened at the T. Howard Duckett Dam along the Patuxent River when the waterway flooded. A 120-unit apartment building complex in Laurel was voluntarily evacuated  because the open floodgates threatened to flood the access road to the complex.

Heavy Rain in ST. MARY'S, MARYLAND
From 07-JUN-03 06:00:00 to 07-JUN-03 15:00:00 (EST)
Location: COUNTYWIDE
Reported by: TRAINED SPOTTER

Flash Flood in FREDERICK, MARYLAND
From 07-JUN-03 09:30:00 to 07-JUN-03 15:00:00 (EST)
Location: COUNTYWIDE
Reported by: LAW ENFORCEMENT

Flash Flood in HARFORD, MARYLAND
From 07-JUN-03 15:30:00 to 07-JUN-03 17:30:00 (EST)
Location: COUNTYWIDE
Reported by: NEWSPAPER

Flash Flood in HOWARD, MARYLAND
From 07-JUN-03 09:00:00 to 07-JUN-03 12:00:00 (EST)
Location: COUNTYWIDE
Reported by: TRAINED SPOTTER

Flash Flood in MONTGOMERY, MARYLAND
From 07-JUN-03 08:00:00 to 07-JUN-03 15:00:00 (EST)
Location: COUNTYWIDE
Reported by: TRAINED SPOTTER

Flood in WASHINGTON, MARYLAND
From 07-JUN-03 12:45:00 to 09-JUN-03 07:45:00 (EST)
Reported by: AWOS,ASOS,MESONET,ETC

The Conococheague Creek overflowed its banks.

Flood in FREDERICK, MARYLAND
From 08-JUN-03 07:00:00 to 08-JUN-03 09:30:00 (EST)
Reported by: AWOS,ASOS,MESONET,ETC

The Monocacy River briefly rose out of its banks.

Heavy Rain in ANNE ARUNDEL, MARYLAND
From 07-JUN-03 06:00:00 to 07-JUN-03 15:00:00 (EST)
Location: COUNTYWIDE
Reported by: TRAINED SPOTTER

Heavy Rain in PRINCE GEORGE'S, MARYLAND
From 07-JUN-03 06:00:00 to 07-JUN-03 15:00:00 (EST)
Location: COUNTYWIDE
Reported by: TRAINED SPOTTER