Maryland, 1999

Damaging Winds in Maryland, November 2, 1999

November 2, 1999 · NWS LWX · 3 events in 3 counties and zones

A cold front swept across north central and northeast Maryland during the early evening hours of the 2nd. Thunderstorms with brief heavy downpours and damaging wind formed ahead and along the front.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
1
Property damage
$40,000
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LWX wrote it up.

A cold front swept across north central and northeast Maryland during the early evening hours of the 2nd. Thunderstorms with brief heavy downpours and damaging wind formed ahead and along the front. A severe thunderstorm downed trees and power lines in Frederick County. 1200 county customers lost power, and three intersections in downtown Frederick were without traffic lights during rush hour. The storm dropped 0.75 inches of rain in Frederick. Hancock in Washington County reported 1.42 inches of rain. In Anne Arundel County, 24,000 customers lost power and around 1/2 inch of rain fell. County officials received 42 reports of downed electrical wires and 16 reports of roads blocked by trees. In Montgomery County, an observer in Silver Spring reported a wind gust of 47 MPH. Harford County reported over 11,000 power outages. Trees were felled onto Macton Road in Street, Stockton Road in Joppa, Robin Hood Road and South Freedom Road in Havre de Grace, and Bramble Lane in Churchville. Three cars were hit by a tree that fell onto Paradise Road near Interstate 95, and one person was injured. Winds were so strong a wind advisory was issued for the Millard Tydings Bridge.

The radar

The Sterling radar (KLWX), 56 km away, was scanning. The volume nearest the first event began at 22:12 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Frederick

When
November 2, 5:10 PM EST
Where
Frederick County, Countywide
Property damage
$10,000
Reported by
NEWSPAPER
Coordinates
39.470, -77.380

Trees and power lines downed

Thunderstorm Wind, Anne Arundel

When
November 2, 5:30 PM EST
Where
Anne Arundel County, Countywide
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
39.050, -76.600

Trees downed across roads and power lines

Thunderstorm Wind, Harford

When
November 2, 5:30 PM EST
Where
Harford County, Countywide
Injuries
1 direct, 0 indirect
Property damage
$20,000
Reported by
NEWSPAPER
Coordinates
39.580, -76.300

Trees downed across roads and power lines, one person injured

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Maryland in 1999Every state in 1999This day in weather historyWarnings in Maryland, November 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5721459, 5722409, 5722410.