Maryland

Storm History: Harford County, Maryland

551 episodes, 1,251 events since 1959

Every storm the National Weather Service has filed in Harford 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
1,251
Deaths
7
Injuries
51
Damage
$17 million
Episodes
551

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 Harford 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 Wind317013$2.7 million
Hail27513$1.6 million
Flash Flood21931$2.4 million
Tornado103016$7.5 million
Winter Storm8000
Winter Weather7423
Dense Fog3600
Frost/Freeze3300
Flood2800$20,000
Excessive Heat1900
Extreme Cold/Wind Chill1400
Ice Storm1300
Heat910
High Wind800
Heavy Rain600
Cold/Wind Chill600
Coastal Flood400
Tropical Storm3015$2.6 million
Blizzard200
Lightning100$10,000
Wildfire100

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 Harford County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Harford CountyEvery warning in Harford 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.