Maryland, 2023

Flash Flooding in Maryland, July 25, 2023

July 25, 2023 · NWS LWX · 4 events in 1 county or zone

A weak cold front passed through, but with plenty of moisture and weaker flow aloft, some slow moving storms produced instances of flooding and flash flooding around Baltimore County.

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
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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 weak cold front passed through, but with plenty of moisture and weaker flow aloft, some slow moving storms produced instances of flooding and flash flooding around Baltimore County.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Jul 25, 9:30 AM EST, 3 hours earlier.

Area forecast discussion, Jul 25, 9:30 AM EST, 3 hours before
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Hazardous weather outlook, Jul 25, 11:25 AM EST, 1 hour 5 minutes before
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The radar

The Sterling radar (KLWX), 94 km away, was scanning. The volume nearest the first event began at 17:31 UTC.

Open the radar archive at this moment

Event by event

4 flash flood. Local standard time, as filed.

Flash Flood, Baltimore

When
July 25, 12:30 PM EST to 1:15 PM EST
Where
Baltimore County, 0.13 mi NNW of Edgemere to 0.13 mi N of Edgemere
Cause
Heavy Rain
Reported by
911 Call Center
Coordinates
39.232, -76.451

At least 6 inches of water was flowing across the 2300 block o Ruth Avenue, with cars unable to drive on the roadway.

Flash Flood, Baltimore

When
July 25, 12:47 PM EST to 1:15 PM EST
Where
Baltimore County, 0.64 mi S of Lynch Pt to 0.66 mi S of Lynch Pt
Cause
Heavy Rain
Reported by
911 Call Center
Coordinates
39.221, -76.432

North Point Road was closed to due to water flowing over the road near Wood Avenue.

Flash Flood, Baltimore

When
July 25, 12:48 PM EST to 1:15 PM EST
Where
Baltimore County, 0.51 mi ENE of Edgemere to 0.48 mi ENE of Edgemere
Cause
Heavy Rain
Reported by
911 Call Center
Coordinates
39.233, -76.442

Lodge Forest Road near North Point Road was closed due to flowing water.

Flash Flood, Baltimore

When
July 25, 12:49 PM EST to 1:15 PM EST
Where
Baltimore County, 0.16 mi NE of Edgemere to 0.14 mi ENE of Edgemere
Cause
Heavy Rain
Reported by
911 Call Center
Coordinates
39.231, -76.448

Ruth avenue was closed near Sparrows Point Road due to flowing water.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Maryland in 2023Every state in 2023This day in weather historyWarnings in Maryland, July 2023

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: 1105417, 1105418, 1105419, 1105420.