Maryland

Storm History: Calvert County, Maryland

554 episodes, 774 events since 1960

Every storm the National Weather Service has filed in Calvert 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
774
Deaths
5
Injuries
163
Damage
$34 million
Episodes
554

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 Calvert 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
Hail15102$543,000
Thunderstorm Wind13200$398,000
Tornado9922$14 million
Winter Storm5700
Heat5115
Dense Fog4500
Flash Flood3700$337,000
Winter Weather3210
Excessive Heat2501$104,000
Flood2502$115,000
Frost/Freeze2100
High Wind1501$989,000
Drought1200$1.7 million
Coastal Flood1000$10,000
Strong Wind1000$3,000
Extreme Cold/Wind Chill900
Heavy Snow800
Heavy Rain800
Blizzard60150$10,000
Storm Surge/Tide500$915,000
Ice Storm500
Tropical Storm500$15 million
Lightning310$120,000
Cold/Wind Chill300$3,000

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 Calvert County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Calvert CountyEvery warning in Calvert 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.