Maryland, 1994

Hail and Damaging Winds in Maryland, August 13, 1994

August 13, 1994 · 5 events in 4 counties and zones

3 thunderstorm wind, 2 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 5 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

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The toll

Deaths
0
Injuries
0
Property damage
$6,000
Crop damage
$2,000
Events
5

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 20:45 UTC.

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Event by event

3 thunderstorm wind, 2 hail. Local standard time, as filed.

Thunderstorm Wind, Howard

When
August 13, 3:47 PM EST
Where
Howard County, Ellicott City
Measured
54 kt (62 mph)
Property damage
$500
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Wind equipment measured a 62 mph gust from a thunderstorm near Ellicott City.

Thunderstorm Wind, Baltimore

When
August 13, 5:00 PM EST
Where
Baltimore County, Baltimore City
Property damage
$5,000
Coordinates
39.443, -76.616 (the zone’s center; the record gives no point)

Thunderstorm winds downed a tree near Pratt and Charles Street in downtown Baltimore and blew out a couple windows.

Thunderstorm Wind, Frederick

When
August 13, 5:00 PM EST to 5:10 PM EST
Where
Frederick County
Property damage
$500
Crop damage
$500
Coordinates
39.472, -77.398 (the zone’s center; the record gives no point)

Hail, Carroll

When
August 13, 5:10 PM EST to 5:20 PM EST
Where
Carroll County
Measured
0.75 in hail
Crop damage
$500
Coordinates
39.563, -77.022 (the zone’s center; the record gives no point)

Hail, Howard

When
August 13, 5:10 PM EST to 5:20 PM EST
Where
Howard County
Measured
0.75 in hail
Crop damage
$500
Coordinates
39.251, -76.931 (the zone’s center; the record gives no point)

Thunderstorm winds knocked down large branches and power lines near the Mount Airy area of Frederick County and pea-size hail feel for 5 to 10 minutes. Three-quarter inch hail covered the ground in the Mount Airy area along the Carroll and Howard County lines.

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 1994Every state in 1994This day in weather historyWarnings in Maryland, August 1994

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: 10329804, 10327096, 10329654, 10327104, 10329805.