Scattered showers and thunderstorms moved through the region during the afternoon and early evening hours of the 13th.  These storms produced damaging winds, large hail, and heavy downpours.  The storms came to an end during the late evening hours after a strong cold front pushed through.  The winds behind the front gusted to 50 MPH and some locations reported downed trees from these winds.In Allegany County, a thunderstorm wind gust of 57 MPH was recorded at the Cumberland Airport.  Trees and power lines were downed in Frostburg.  In Washington County, thunderstorm winds downed trees, power lines, and traffic signs in Hancock and Clear Spring. A wind gust of 41 MPH was recorded in Hagerstown.  In Frederick County, a thunderstorm downed a few trees on Gatlin Road in the western portion of the county.  A wind gust of 41 MPH was recorded in Frederick.  In Carroll County, post frontal winds downed tree limbs and wires in Eldersburg and Westminster.  In Baltimore County, nickel to quarter sized hail was reported in Baltimore. The hail came down so long that it accumulated to a depth of 3 inches.  In White Marsh, golf ball sized hail fell.  Thunderstorm winds downed trees and power lines in Catonsville, Essex, and Baltimore.  Widespread power outages were reported in Baltimore.   In Harford County, dime sized hail was reported in Abingdon and quarter sized hail fell in Edgewood.   A thunderstorm wind gust of 55 MPH was recorded on Spesutie Island on the grounds of Aberdeen Proving Ground.   In Howard County, a thunderstorm downburst estimated at 75 MPH occurred in a 10 square block area of the St. John's Manor subdivision 2 miles northwest of Ellicott City.  This neighborhood is near the intersection of Route 29 and 40. Numerous trees were downed onto power lines, roads, and structures in the area. Two homes were heavily damaged by downed trees.  Downed trees and wires blocked Old Frederick Road between Dogwood Road and Rogers Avenue. A total of $150,000 in damage was reported and 7,700 customers lost power as a direct result of the storm. In addition, a wind gust of 49 mph was recorded at Laurel.  In Montgomery County, a funnel cloud was photographed one mile southwest of Rockville. A wind gust of 55 MPH was recorded in Damascus.  In Anne Arundel County, a post frontal wind gust of 51 mph was recorded at BWI Airport.  A large tree branch was downed onto three cars in Maryland City. Another large branch was downed onto a mobile home in Severn.  Officials recorded 30 reports of downed power lines scattered from Annapolis north to the Baltimore County border.  In St. Mary's County, trees were downed by a thunderstorm in Tall Timbers and on Piney Point.

Hail in HARFORD, MARYLAND
From 13-MAY-02 15:05:00 to 13-MAY-02 15:05:00 (EST)
Location: ABINGDON
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Dime sized hail was reported.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 13-MAY-02 17:55:00 to 13-MAY-02 17:55:00 (EST)
Location: FROSTBURG
Property damage: 1K
Reported by: LAW ENFORCEMENT

Trees were downed.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 13-MAY-02 18:04:00 to 13-MAY-02 18:04:00 (EST)
Location: HANCOCK
Property damage: 5K
Reported by: LAW ENFORCEMENT

Trees, power lines, and traffic signs were blown down.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 13-MAY-02 18:18:00 to 13-MAY-02 18:18:00 (EST)
Location: CLEAR SPG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Power lines were snapped.

Thunderstorm Wind in FREDERICK, MARYLAND
From 13-MAY-02 18:30:00 to 13-MAY-02 18:30:00 (EST)
Location: WEST PORTION
Property damage: 1K
Reported by: LAW ENFORCEMENT

A couple of trees were downed on Gatlin Road.

Hail in HARFORD, MARYLAND
From 13-MAY-02 15:00:00 to 13-MAY-02 15:00:00 (EST)
Location: EDGEWOOD
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Quarter sized hail fell.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 13-MAY-02 19:15:00 to 13-MAY-02 19:15:00 (EST)
Location: TALL TIMBERS
Property damage: 1K
Reported by: TRAINED SPOTTER

Trees were downed.

High Wind in CARROLL, MARYLAND
From 13-MAY-02 19:20:00 to 13-MAY-02 19:30:00 (EST)
Property damage: 5K
Reported by: LAW ENFORCEMENT

Tree limbs and power lines were downed on Eldersburg and Westminster.

High Wind in ANNE ARUNDEL, MARYLAND
From 13-MAY-02 20:20:00 to 13-MAY-02 20:45:00 (EST)
Property damage: 3K
Reported by: LAW ENFORCEMENT

Large tree branches were downed in Maryland City and Severn.

Thunderstorm Wind in HOWARD, MARYLAND
From 13-MAY-02 14:25:00 to 13-MAY-02 14:25:00 (EST)
Location: ELLICOTT CITY
Magnitude: 65 E
Property damage: 150K
Reported by: NWS STORM SURVEY

A downburst of winds estimated as high as 75 MPH downed numerous trees in the vicinity of Route 29 and Frederick Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 13-MAY-02 14:25:00 to 13-MAY-02 14:25:00 (EST)
Location: ELLICOTT CITY
Property damage: 1K
Reported by: LAW ENFORCEMENT

Trees were downed onto Frederick Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 13-MAY-02 14:30:00 to 13-MAY-02 14:50:00 (EST)
Location: SOUTH PORTION
Property damage: 10K
Reported by: NEWSPAPER

Numerous trees and power lines were downed.

Thunderstorm Wind in BALTIMORE CITY (C), MARYLAND
From 13-MAY-02 14:30:00 to 13-MAY-02 14:40:00 (EST)
Location: BALTIMORE
Property damage: 5K
Reported by: PARK/FOREST SERVICE

Trees were downed, especially on the northwest side of the city.

Hail in BALTIMORE CITY (C), MARYLAND
From 13-MAY-02 14:35:00 to 13-MAY-02 14:45:00 (EST)
Location: BALTIMORE
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Nickel to quarter sized hail was reported in the northern portion of the city.

Hail in BALTIMORE, MARYLAND
From 13-MAY-02 14:50:00 to 13-MAY-02 14:50:00 (EST)
Location: WHITE MARSH
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Golfball sized hail fell near Route 40 and Ebenezer Road.

Funnel Cloud in MONTGOMERY, MARYLAND
From 13-MAY-02 14:15:00 to 13-MAY-02 14:15:00 (EST)
Location: ROCKVILLE
Reported by: NWS EMPLOYEE(OFF DUTY)

A funnel cloud was photographed by an off-duty meteorologist.