Delaware

Storm History: Sussex County, Delaware

1,096 episodes, 2,155 events since 1955

Every storm the National Weather Service has filed in Sussex County, Delaware: 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
2,155
Deaths
15
Injuries
314
Damage
$101 million
Episodes
1,096

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 Sussex 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 Wind325010$1.9 million
Strong Wind22921$374,000
Coastal Flood176010$51 million
Flash Flood17300$2.8 million
Winter Weather134164
High Wind11701$432,000
Drought10500$20 million
Hail9100$675,000
Flood8800$2.5 million
Heat87310
Tornado86112$649,000
Winter Storm70064$1.6 million
Heavy Rain6800
Dense Fog6400
Heavy Snow55026
Lightning5103$3.8 million
Excessive Heat4300
Cold/Wind Chill4200
Rip Current33599
Storm Surge/Tide2500$2.9 million
Astronomical Low Tide2201
Tropical Storm1800$9.3 million
Wildfire1001$5,000
Blizzard1010$3.0 million
Extreme Cold/Wind Chill822
High Surf709
Funnel Cloud700
Hurricane (Typhoon)301$200,000
Waterspout200
Freezing Fog200
Sleet200
Frost/Freeze100
Tsunami100

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 Sussex County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sussex CountyEvery warning in Sussex County since 1986Every county in Delaware

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.