A line of thunderstorms crossing a warm front caused several instances of flooding across MD on May 6th into May 7th. Residual river flooding continued through May 9th due to excessive runoff.

Flood in FREDERICK, MARYLAND
From 07-MAY-22 06:24:00 to 08-MAY-22 11:24:00 (EST-5)
Location: PEARL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Monocacy River near Frederick, MD (FDKM2) indicated that flooding occurred during the specified timeframe, reaching a peak crest of 17.67 ft on May 8th around 12:45 AM EST. At this level 	much of Pinecliff Park and Rivermist Park in Frederick are flooded. Buckeystown Community Park is also flooded with water approaching the parking lot. Waters are also approaching the Frederick city wastewater treatment plant and the Ballenger Creek wastewater treatment plant. Significant backwater flooding is occurring. Several roads will be closed along the river and adjoining creeks. Additionally, a stream gage upstream (FRMM2) also indicated flooding, reaching a peak crest of 20.73 feet around 11:00 PM EST. Impacts for this gage are essentially the same, as it is located just upstream from FDKM2.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: BOLIVAR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Road was closed due to flooding at the intersection of Shank Rd. and Old National Pk.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: GRACEHAM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Road was closed due to flooding at the intersection of Roddy Rd. and Roddy Creek Rd.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: ST ANTHONY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Orndorff Rd. was closed due to flooding.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: MOTTERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Road was closed due to flooding at the intersection of Bridgeport Rd. and Gregg Rd.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: MOTTERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Several roads were closed around Tom's Creek where Keysville Rd. crosses it.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: EMMITSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Creamery Rd. was closed due to flooding near the Emmitsburg Wastewater Treatment Plant.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: EMMITSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Annandale Rd. was closed due to flooding where it crosses and then parallels Tom's Creek.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: EMMITSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Irishtown Rd. was closed due to flooding near the intersection with Waycross Ct.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:15:00 to 06-MAY-22 19:15:00 (EST-5)
Location: ST ANTHONY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Hornets nest Rd. closed due to flooding along Friends Creek.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 17:40:00 to 06-MAY-22 19:40:00 (EST-5)
Location: CREAGERSTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Big Hunting Creek was reported out of its banks, with several portions of Wilhide Rd. submerged in 1 foot of water. Additionally, several other small streams in this general area southwest of Creagerstown were out of their banks and closed portions of several roads.

Flood in FREDERICK, MARYLAND
From 06-MAY-22 20:15:00 to 06-MAY-22 22:15:00 (EST-5)
Location: MOTTERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Sixes Bridge Rd. was closed due to flooding near the county line along Tom's Creek and the Monocacy River.

Flood in ALLEGANY, MARYLAND
From 06-MAY-22 22:33:00 to 07-MAY-22 00:33:00 (EST-5)
Location: JENNINGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Several roads were submerged in flood waters in the Jennings area, especially along Jennings Rd. and Millers Rd.

Flood in MONTGOMERY, MARYLAND
From 07-MAY-22 03:30:00 to 07-MAY-22 05:30:00 (EST-5)
Location: MT ZION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding occurred on Zion Rd. at the Hawlings River.

Flood in MONTGOMERY, MARYLAND
From 07-MAY-22 05:00:00 to 07-MAY-22 09:00:00 (EST-5)
Location: BRIGHTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding occurred along Brighton Dam Rd. at the Hawlings River crossing. Water rescue reported around 6 AM.

Flood in WASHINGTON, MARYLAND
From 07-MAY-22 11:20:00 to 07-MAY-22 13:20:00 (EST-5)
Location: PECKTONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flooding occurred on Pectonville Rd. at Iron Bridge, closing the roadway.

Flood in WASHINGTON, MARYLAND
From 07-MAY-22 21:30:00 to 08-MAY-22 09:31:00 (EST-5)
Location: FAIRVIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on Conococheague Creek near Fairview indicated flooding during the specified timeframe, reaching a crest of 10.19 ft on May 8th at 5:30 AM EST. At this level both Wishard Road and Kemp Mill Road are flooded.

Flood in MONTGOMERY, MARYLAND
From 08-MAY-22 01:36:00 to 09-MAY-22 20:57:00 (EST-5)
Location: POOLESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Potomac River at Edwards Ferry indicated that flooding occurred for a period of around 43 hours, reaching a peak crest of 18.45 ft at 6:45 PM EST on May 9th. At this level the parking lot at Edwards Ferry is completely covered by water. The parking lot at Seneca is partially flooded. Additionally, floodwaters have entered the store at Whites Ferry.

Flood in MONTGOMERY, MARYLAND
From 08-MAY-22 06:55:00 to 09-MAY-22 08:59:00 (EST-5)
Location: WHITES FERRY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Potomac River at Point of Rocks indicated that flooding occurred during the specified timeframe, reaching a peak crest of 18.29 ft at 7:30 PM EST on May 8th. At this level, there are several instances of flooding right along the river between Point of Rocks and Brunswick, with water approaching the structures at Brunswick Family Campground. Many islands within the Potomac river are flooded at this point as well. Many boat ramps and nearby parking lots are flooded at this stage as well.

Flood in MONTGOMERY, MARYLAND
From 08-MAY-22 18:00:00 to 09-MAY-22 05:05:00 (EST-5)
Location: KENWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Potomac River indicated that flooding occurred during the specified timeframe, reaching a peak crest of 10.16 ft at 10:45 PM on May 8th. At this stage, impacts are largely felt right along the river banks and at some of the islands in the Potomac itself. Several sections of trail right near the river will be closed, and Sycamore Island starts to see impacts as waters reach the canoe shed.

Flood in FREDERICK, MARYLAND
From 07-MAY-22 08:47:00 to 07-MAY-22 16:40:00 (EST-5)
Location: EMMITSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Monocacy River near Bridgeport reached flood stage during the specified times, reaching a peak crest of 13.89 ft at 12:00 PM on May 7th. At this level Baptist Rd. begins to flood near Bridgeport.

Flood in ALLEGANY, MARYLAND
From 07-MAY-22 12:09:00 to 07-MAY-22 18:37:00 (EST-5)
Location: LITTLE ORLEANS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on Sideling Hill Creek near Bellegrove reached flood stage during the specified timeframe, reaching a peak crest of 8.02 ft at 3:45 PM EST on May 7th. At this level lowlands near the creek begin to flood. Also a low spot on Allegany Line Road is likely also flooded.