Falling heights, an increasing southwest flow aloft, an approaching cold front, and strengthening pressure trough overhead combined with instability from a hot and humid air mass in place to trigger showers and thunderstorms during the afternoon hours of July 22nd. With high levels of CAPE and increased shear profiles, thunderstorms became strong to severe as they organized into linear structures.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:08:00 to 22-JUL-19 15:08:00 (EST-5)
Location: PYLESVILLE
Magnitude: 70.00 EG
Reported by: Emergency Manager

Multiple trees and wires were blown down blocking roads in and around Pylesville.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:10:00 to 22-JUL-19 15:10:00 (EST-5)
Location: LAUREL BROOK
Magnitude: 50.00 EG
Reported by: Emergency Manager

A few trees were blown down in the Fallston area.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:11:00 to 22-JUL-19 15:11:00 (EST-5)
Location: WHITEFORD
Magnitude: 70.00 EG
Reported by: Emergency Manager

Numerous trees were reported down in and around Whiteford.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:20:00 to 22-JUL-19 15:20:00 (EST-5)
Location: SINGER
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was blown down on Preston Lane near Singer Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:23:00 to 22-JUL-19 15:23:00 (EST-5)
Location: DARLINGTON
Magnitude: 61.00 EG
Reported by: Emergency Manager

A couple of trees were blown down on wires in the Darlington area.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:27:00 to 22-JUL-19 15:27:00 (EST-5)
Location: OTTER PT
Magnitude: 50.00 EG
Reported by: Emergency Manager

A large tree limb was blown down blocking the roadway near the intersection of Willoughby Beach Road and Harbour Oak Drive.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:35:00 to 22-JUL-19 15:35:00 (EST-5)
Location: ABERDEEN ARPT
Magnitude: 61.00 EG
Reported by: Emergency Manager

Multiple trees were blown down in the Aberdeen area, mainly just southeast of US-40. Large tree branches were snapped with wires down as well. A few trees were blown down near Aberdeen Proving Ground.

Thunderstorm Wind in CHARLES, MARYLAND
From 22-JUL-19 19:05:00 to 22-JUL-19 19:05:00 (EST-5)
Location: BRYANS ROAD
Magnitude: 50.00 EG
Reported by: State Official

Several reports were received of large tree limbs blocking roadways in the Bryans Road and Pomfret areas.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 22-JUL-19 19:15:00 to 22-JUL-19 19:15:00 (EST-5)
Location: SILESIA
Magnitude: 50.00 EG
Reported by: State Official

Trees and wires were reported down across Fort Washington Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-19 19:43:00 to 22-JUL-19 19:43:00 (EST-5)
Location: TAKOMA PARK
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was blown down on a vehicle in the 500 block of Silver Spring Avenue near Nolte Avenue.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-19 14:10:00 to 22-JUL-19 14:10:00 (EST-5)
Location: FOUNTAIN MILLS
Magnitude: 50.00 MG
Reported by: Mesonet

A 50 knot (58 mph) wind gust was measured at Windsor Knolls Middle School in Ijamsville.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-19 14:00:00 to 22-JUL-19 14:00:00 (EST-5)
Location: ROCKVILLE
Magnitude: 50.00 EG
Reported by: Public

Numerous tree limbs up to 5 inches in diameter were blown down and a couple small trees were uprooted near Churchill High School. One tree limb snapped and took down a transformer.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-19 14:03:00 to 22-JUL-19 14:03:00 (EST-5)
Location: HYATTSTOWN
Magnitude: 50.00 EG
Reported by: State Official

Multiple trees were blown down in the 25500 block of North Frederick Road blocking both directions between Hyattstown Road and Little Bennett Drive. Trees and wires were also blown down on I-270 near the weigh station, blocking all lanes.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 14:02:00 to 22-JUL-19 14:02:00 (EST-5)
Location: NORRISVILLE
Magnitude: 50.00 EG
Reported by: Emergency Manager

Trees and wires were blown down in the 4700 block of Mellow Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-19 14:04:00 to 22-JUL-19 14:04:00 (EST-5)
Location: URBANA
Magnitude: 50.00 MG
Reported by: Broadcast Media

A 50 knot (58 mph) wind gust was measured at Urbana Corporate Park. A tree was blown down on I-270 near MD-80.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-19 14:09:00 to 22-JUL-19 14:09:00 (EST-5)
Location: BARTHOLOW
Magnitude: 70.00 EG
Reported by: Public

Several large trees were snapped off halfway up or uprooted near Adam Court.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-19 14:07:00 to 22-JUL-19 14:07:00 (EST-5)
Location: NEW MARKET
Magnitude: 50.00 EG
Reported by: State Official

A tree was reported down on Boyers Mill Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-19 14:09:00 to 22-JUL-19 14:09:00 (EST-5)
Location: CLAGGETTSVILLE
Magnitude: 70.00 EG
Reported by: Trained Spotter

Numerous healthy trees and limbs were blown down just north of Friendship. Roof shingles were stripped from at least one home. A tree was blown down on Bethesda Church Road near Purdum Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 22-JUL-19 14:17:00 to 22-JUL-19 14:17:00 (EST-5)
Location: FLORENCE
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down in the 2900 block of Florence Road. Another tree was blown down in the 16400 block of Frederick Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 22-JUL-19 14:27:00 to 22-JUL-19 14:27:00 (EST-5)
Location: WOODSTOCK
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down on Forsythe Road near West Friendship Road. Another tree was blown down on River Road near MD-32.

Thunderstorm Wind in CARROLL, MARYLAND
From 22-JUL-19 14:34:00 to 22-JUL-19 14:34:00 (EST-5)
Location: CEDARHURST
Magnitude: 78.00 EG
Reported by: Law Enforcement

A couple of large trees were uprooted and a few 10-inch diameter trees were snapped off of Bloom Road. Numerous large trees were blown down in the vicinity of the intersection of Old Kays Mill Road and Deer Park Road, some onto houses. Half a dozen homes in the area had shingles blown off and a barn lost its roof on Black Steer Drive. One fatality occurred when a tree fell onto a man in the 2900 block of Bloom Road in Finksburg.

Thunderstorm Wind in CARROLL, MARYLAND
From 22-JUL-19 14:35:00 to 22-JUL-19 14:35:00 (EST-5)
Location: EASTVIEW
Magnitude: 50.00 EG
Reported by: State Official

A tree was blown down on Bollinger Road near Hook Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:41:00 to 22-JUL-19 14:41:00 (EST-5)
Location: ST GEORGES
Magnitude: 50.00 EG
Reported by: Emergency Manager

Several large tree limbs were blown down in the 700 block of Academy Avenue.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:38:00 to 22-JUL-19 14:38:00 (EST-5)
Location: BORING
Magnitude: 61.00 EG
Reported by: Emergency Manager

All lanes of MD-30 were closed due to trees and wires in the roadway between Glen Falls Road and MD-91.

Thunderstorm Wind in CARROLL, MARYLAND
From 22-JUL-19 14:40:00 to 22-JUL-19 14:40:00 (EST-5)
Location: LAWNDALE
Magnitude: 70.00 EG
Reported by: Public

Widespread tree damage was reported with snapped and uprooted large trees and limbs in the 1400 block of Emory Church Road. Part of a roof was blown off of a barn.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:44:00 to 22-JUL-19 14:44:00 (EST-5)
Location: BEREAN
Magnitude: 70.00 EG
Reported by: State Official

Multiple trees were blown down in the vicinity of Black Road Road and Falls Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:45:00 to 22-JUL-19 14:45:00 (EST-5)
Location: SHAWAN
Magnitude: 50.00 EG
Reported by: Department of Highways

A tree was blown down blocking all lanes of Falls Road at Knox Avenue.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:47:00 to 22-JUL-19 14:47:00 (EST-5)
Location: EVNA
Magnitude: 70.00 EG
Reported by: Trained Spotter

Multiple large trees up to 3 feet in diameter were uprooted and snapped, falling in multiple directions on Evna Road just north of MD-137 Mount Carmel Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:51:00 to 22-JUL-19 14:51:00 (EST-5)
Location: BLUE MT
Magnitude: 70.00 EG
Reported by: State Official

Multiple trees were blown down in the vicinity of Monkton Road and Big Falls Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 22-JUL-19 14:52:00 to 22-JUL-19 14:52:00 (EST-5)
Location: STEVENSON
Magnitude: 50.00 EG
Reported by: State Official

Several trees were blown down in the vicinity of Greenspring Valley Road and Nacirema Lane.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 14:56:00 to 22-JUL-19 14:56:00 (EST-5)
Location: BLACK HORSE
Magnitude: 61.00 EG
Reported by: Emergency Manager

Several trees were blown down west of Jarrettsville.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:00:00 to 22-JUL-19 15:00:00 (EST-5)
Location: NORRISVILLE
Magnitude: 61.00 EG
Reported by: Emergency Manager

At least 5 trees, limbs, and wires were blown down in the Norrisville area.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:03:00 to 22-JUL-19 15:03:00 (EST-5)
Location: JARRETTSVILLE
Magnitude: 70.00 EG
Reported by: Emergency Manager

Between 5 to 7 telephone poles were snapped at the base and fell onto Grimmel Farm property along MD-165 Federal Hill Road. Numerous trees or large tree limbs were blown down in the area. A tree was also blown down in the 2100 block of Schuster Road. At least one tree had fallen onto a house.

Thunderstorm Wind in HARFORD, MARYLAND
From 22-JUL-19 15:15:00 to 22-JUL-19 15:15:00 (EST-5)
Location: FOREST HILL
Magnitude: 61.00 EG
Reported by: Emergency Manager

Several trees and limbs were blown down in the Forest Hill area.