Maryland, 1999

Lightning Strike in Maryland, July 22, 1999

July 22, 1999 · NWS LWX · 1 event in 1 county or zone

A very muggy and unstable air mass which was in place during the early morning hours led to the development of thunderstorms producing very heavy rain, gusty winds, and frequent lightening across Central Maryland between 3:00 AM and 5:00 AM EDT. 26,000 customers in Baltimore County the the city of Baltimore lost power after the storms moved through.

Where it happened

Every event with a place to put it; 1 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
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The toll

Deaths
0
Injuries
0
Property damage
$15,000
Crop damage
None recorded
Events
1

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 very muggy and unstable air mass which was in place during the early morning hours led to the development of thunderstorms producing very heavy rain, gusty winds, and frequent lightening across Central Maryland between 3:00 AM and 5:00 AM EDT. 26,000 customers in Baltimore County the the city of Baltimore lost power after the storms moved through. 1300 customers in Anne Arundel County also lost power as a result of the storm. The Anne Arundel County administration building was without power for over 8 hours forcing officials to close some offices. Another round of thunderstorms developed after 8:00 PM EDT producing another batch of brief heavy rain and frequent lightning. One lightning strike started a 4 car garage on fire around 9:15 PM EDT in Severna Park, resulting in $!5,000 damage. Rainfall totals for the day included 3.95 inches in Brooklyn Park in Anne Arundel County, 3.57 inches at Inner Harbor Baltimore, 2.03 inches at Fullerton, 1.44 inches at Randallstown in Baltimore County, and 1.10 inches at Baltimore/Washington International Airport. Because a significant downpour of rain had not occurred in the area in several months, unusual effects were reported. The heavy rain washed 3 months of sewer and creek-bed trash into Baltimore's Inner Harbor area. Tires, appliances, plastic bottles, and other debris beached paddle boats and resulted in a terrible eyesore for tourists. It took 6 dump trucks to remove the 40 tons of debris which had collected in the harbor.

The radar

The Sterling radar (KLWX), 79 km away, was scanning. The volume nearest the first event began at 01:15 UTC.

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Event by event

1 lightning. Local standard time, as filed.

Lightning, Anne Arundel

When
July 22, 8:15 PM EST
Where
Anne Arundel County, Severna Park
Property damage
$15,000
Reported by
NEWSPAPER
Coordinates
38.994, -76.568 (the zone’s center; the record gives no point)

Lightning sparked a garage fire

What these are

Lightning
A lightning strike that killed, injured or caused damage.

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, July 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: 5709951.