Maryland, 1993

Hail and Damaging Winds in Maryland, August 17, 1993

August 17, 1993 · 8 events in 3 counties and zones

7 thunderstorm wind, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 8 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
0
Property damage
$31,000
Crop damage
None recorded
Events
8

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.

The radar

The Sterling radar (KLWX), 57 km away, was scanning. The volume nearest the first event began at 19:28 UTC.

Open the radar archive at this moment

Event by event

7 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Howard

When
August 17, 2:30 PM EST
Where
Howard County, Countywide
Property damage
$5,000
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Powerful thunderstorm winds caused damage in a number of locations throughout the county. The western part of the county had numerous trees blown down blocking roads. Numerous trees and powerfulness were blown down in the Lisbon and Florence areas.

Thunderstorm Wind, Howard

When
August 17, 2:50 PM EST
Where
Howard County, Countywide
Property damage
$500
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Powerful thunderstorm winds caused damage in a number of locations throughout the county. The western part of the county had numerous trees blown down blocking roads. Numerous trees and powerfulness were blown down in the Lisbon and Florence areas.

Thunderstorm Wind, Howard

When
August 17, 3:00 PM EST
Where
Howard County, Countywide
Property damage
$5,000
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Powerful thunderstorm winds caused damage in a number of locations throughout the county. The western part of the county had numerous trees blown down blocking roads. Numerous trees and powerfulness were blown down in the Lisbon and Florence areas.

Thunderstorm Wind, Montgomery

When
August 17, 3:50 PM EST
Where
Montgomery County
Property damage
$5,000
Coordinates
39.136, -77.204 (the zone’s center; the record gives no point)

Powerful thunderstorm winds knocked down trees and power lines in the Damascus, Burtonsville, and Silver Sring areas.

Thunderstorm Wind, Howard

When
August 17, 3:50 PM EST
Where
Howard County, Countywide
Property damage
$5,000
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Powerful thunderstorm winds caused damage in a number of locations throughout the county. The western part of the county had numerous trees blown down blocking roads. Numerous trees and powerfulness were blown down in the Lisbon and Florence areas.

Thunderstorm Wind, Harford

When
August 17, 5:15 PM EST
Where
Harford County
Property damage
$500
Coordinates
39.536, -76.299 (the zone’s center; the record gives no point)

Thunderstorm winds blew a few trees and tree limbs down near Baltimore and trees and power lines were downed near Melrose. A thunderstorm produce large hail damaging several cars in Fallston.

Thunderstorm Wind, Harford

When
August 17, 5:15 PM EST
Where
Harford County
Property damage
$5,000
Coordinates
39.536, -76.299 (the zone’s center; the record gives no point)

Thunderstorm winds blew a few trees and tree limbs down near Baltimore and trees and power lines were downed near Melrose. A thunderstorm produce large hail damaging several cars in Fallston.

Hail, Harford

When
August 17, 5:25 PM EST
Where
Harford County
Measured
1.75 in hail
Property damage
$5,000
Coordinates
39.536, -76.299 (the zone’s center; the record gives no point)

Thunderstorm winds blew a few trees and tree limbs down near Baltimore and trees and power lines were downed near Melrose. A thunderstorm produce large hail damaging several cars in Fallston.

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Maryland in 1993Every state in 1993This day in weather historyWarnings in Maryland, August 1993

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: 10329797, 10329798, 10329799, 10329587, 10329800, 10329752, 10329753, 10329754.