Maryland

Storm History: Carroll County, Maryland

797 episodes, 1,149 events since 1965

Every storm the National Weather Service has filed in Carroll County, Maryland: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
1,149
Deaths
5
Injuries
37
Damage
$69 million
Episodes
797

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.

Open the live radar over Carroll County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Thunderstorm Wind228224$1.8 million
Hail17103$37 million
Flash Flood12610$2.1 million
Tornado12106$22 million
Winter Storm10900$8,000
Winter Weather9700
Dense Fog8000
Flood4201$136,000
Frost/Freeze3400$50,000
Heat2620$5,000
High Wind2101$770,000
Strong Wind1600$103,000
Excessive Heat1600$3,000
Ice Storm1500$110,000
Extreme Cold/Wind Chill1200
Heavy Snow800$50,000
Drought700$5.6 million
Cold/Wind Chill600$3,000
Blizzard400$13,000
Tropical Storm400$65,000
Lightning302$40,000
Heavy Rain300

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Carroll County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Carroll CountyEvery warning in Carroll County since 1986Every county in Maryland

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.