Heat and humidity through the day on June 29th led to a moderately unstable air mass by the afternoon. A weak pressure trough developed and heights began to fall by the evening as an upper level ridge broke down. Also late in the evening, a cold front began to approach, increasing forcing across the region. Several rounds of scattered showers and thunderstorms developed from the mid afternoon hours through well past sunset. Some thunderstorms became strong to severe.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-19 14:40:00 to 29-JUN-19 14:40:00 (EST-5)
Location: STOAKLEY
Magnitude: 61.00 EG
Reported by: Public

Several trees and power lines were blown down near 1100 Dares Beach Road east of Prince Frederick, blocking the road. Several trees were also blown down near MD-402 and Central Village Drive.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-19 14:52:00 to 29-JUN-19 14:52:00 (EST-5)
Location: GIBSON MANOR
Magnitude: 50.00 EG
Reported by: Department of Highways

A tree was blown down on US-1 near Forge Hill Road blocking all lanes. Large branches were blown down in the area as well. Two trees were blown down in the 4300 block of Cooper Road. A tree was also blown down onto a car in the 3200 block of US-1.

Hail in CALVERT, MARYLAND
From 29-JUN-19 14:39:00 to 29-JUN-19 14:39:00 (EST-5)
Location: BREEZY PT
Magnitude: 1.00 
Reported by: Trained Spotter

Hail up to the size of quarters (1.0 in diameter) was reported in Dares Beach.

Hail in CALVERT, MARYLAND
From 29-JUN-19 19:30:00 to 29-JUN-19 19:30:00 (EST-5)
Location: SUNDERLAND
Magnitude: 1.00 
Reported by: Trained Spotter

Hail up to the size of quarters (1.0 in diameter) was reported near Mount Harmony and Chesapeake Beach.

Hail in BALTIMORE, MARYLAND
From 29-JUN-19 22:47:00 to 29-JUN-19 22:47:00 (EST-5)
Location: BOWLEYS QUARTERS
Magnitude: 1.75 
Reported by: Trained Spotter

Hail up to the size of golf balls (1.75 in diameter) was reported. Some vehicles sustained damage.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-19 14:08:00 to 29-JUN-19 14:08:00 (EST-5)
Location: DUNKIRK
Magnitude: 50.00 EG
Reported by: State Official

Multiple trees were blown down in the Dunkirk area.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-19 15:33:00 to 29-JUN-19 15:33:00 (EST-5)
Location: ST DENIS
Magnitude: 50.00 EG
Reported by: State Official

A large tree was blown down near the intersection of Race Road and Furnace Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-19 15:40:00 to 29-JUN-19 15:40:00 (EST-5)
Location: HIGHLAND
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down on Bucks Haven Lane near Bucks Haven Court.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-19 15:47:00 to 29-JUN-19 15:47:00 (EST-5)
Location: EARLEIGH HGTS
Magnitude: 50.00 EG
Reported by: State Official

Six trees were blown down, some onto wires, in the Pasadena area.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-19 16:00:00 to 29-JUN-19 16:00:00 (EST-5)
Location: ALEXANDRIA JCT
Magnitude: 50.00 EG
Reported by: State Official

Tree limbs were blown down onto power lines in the Riverdale area.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-19 15:55:00 to 29-JUN-19 15:55:00 (EST-5)
Location: LAUREL
Magnitude: 50.00 EG
Reported by: State Official

Tree limbs were blown down onto power lines in the Laurel area.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-19 16:40:00 to 29-JUN-19 16:40:00 (EST-5)
Location: OWINGS
Magnitude: 50.00 EG
Reported by: State Official

Several trees were blown down in the Owings area.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-19 19:49:00 to 29-JUN-19 19:49:00 (EST-5)
Location: BARSTOW
Magnitude: 50.00 EG
Reported by: State Official

Several trees were blown down in the Prince Frederick area.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-19 20:05:00 to 29-JUN-19 20:05:00 (EST-5)
Location: CUMBERLAND
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down near the intersection of East Industrial Boulevard and Winston Street.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 29-JUN-19 20:40:00 to 29-JUN-19 20:40:00 (EST-5)
Location: WAGNERS XRDS
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down on Mapleville Road south of US-40 National Pike.

Thunderstorm Wind in CARROLL, MARYLAND
From 29-JUN-19 21:36:00 to 29-JUN-19 21:36:00 (EST-5)
Location: TANEYTOWN
Magnitude: 50.00 EG
Reported by: State Official

Large tree limbs were blown down in the Taneytown area.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-19 15:12:00 to 29-JUN-19 15:12:00 (EST-5)
Location: DAMASCUS
Magnitude: 61.00 EG
Reported by: Public

Multiple trees were blown down in the Damascus area.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-19 15:18:00 to 29-JUN-19 15:18:00 (EST-5)
Location: DAISY
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down on Annapolis Rock Road between Hipsley Mill Road and the Montgomery and Howard County line.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-19 19:30:00 to 29-JUN-19 19:30:00 (EST-5)
Location: NORTH BEACH
Magnitude: 61.00 EG
Reported by: State Official

Numerous trees were blown down in the North Beach area.