A strong cold front moved through the Mid Atlantic. Southerly flow ahead of the frontal boundary led to increased instability. Showers and thunderstorms formed along a pre-frontal trough east of the Blue Ridge. Some storms were capable of damaging winds and large hail.

Thunderstorm Wind in FREDERICK, MARYLAND
From 27-MAY-14 15:46:00 to 27-MAY-14 15:46:00 (EST-5)
Location: CERESVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.50K
Reported by: 911 Call Center

There were trees and debris across Retreat Road near Fountain Rock Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 27-MAY-14 16:21:00 to 27-MAY-14 16:21:00 (EST-5)
Location: MT PLEASANT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

There were multiple utility poles down on Crum Road between route 26 and Stauffer Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:10:00 to 27-MAY-14 17:10:00 (EST-5)
Location: NEELSVILLE
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:10:00 to 27-MAY-14 17:10:00 (EST-5)
Location: NEELSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: Unknown

There were four inch in diameter three snapped at Weather Bug Headquarters.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:13:00 to 27-MAY-14 17:13:00 (EST-5)
Location: CLOPPER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 2.00K
Reported by: Emergency Manager

There were trees down on Route 355 and High Point Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:15:00 to 27-MAY-14 17:15:00 (EST-5)
Location: MIDDLEBROOK
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.25K
Reported by: 911 Call Center

There was a tree down across several power lines on Route 355 just south of Plummer Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:18:00 to 27-MAY-14 17:18:00 (EST-5)
Location: GAITHERSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: Trained Spotter

There were broken tree limbs onto Brookes Ave near Russell Ave.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:22:00 to 27-MAY-14 17:22:00 (EST-5)
Location: WASHINGTON GROVE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.25K
Reported by: Trained Spotter

There was a tree onto an apartment complex along Girard Street near Victory Farm Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-MAY-14 17:20:00 to 27-MAY-14 17:20:00 (EST-5)
Location: GLENMONT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: NWS Employee

There were large tree limbs down onto Goodhill Road at Weller Road.

Thunderstorm Wind in CALVERT, MARYLAND
From 27-MAY-14 18:58:00 to 27-MAY-14 18:58:00 (EST-5)
Location: COX
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: Emergency Manager

There was a tree down at the intersection of Lowery Road and Hatfield Road.

Hail in MONTGOMERY, MARYLAND
From 27-MAY-14 16:55:00 to 27-MAY-14 16:55:00 (EST-5)
Location: POTOMAC
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in FREDERICK, MARYLAND
From 27-MAY-14 15:42:00 to 27-MAY-14 15:42:00 (EST-5)
Location: PEARL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: NWS Employee

There were several tree limbs about one foot diameter down just east of exit 56 along I-70.