Storms of 2011
Every storm the National Weather Service filed in 2011, month by month, kind by kind and state by state. 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.
2011 on the map
The 600 most significant episodes of 2011, colored by kind of event.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The year
- Events
- 79,091
- Deaths
- 1,336
- Injuries
- 9,898
- Damage
- $24 billion
- Episodes
- 11,696
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.
By month
By kind of event
Deaths, injuries and damage are counted under the kind that heads each episode.
| Kind of event | Events | Deaths | Injuries | Damage |
|---|---|---|---|---|
| Thunderstorm Wind | 21,282 | 19 | 129 | $122 million |
| Hail | 17,331 | 32 | 200 | $301 million |
| Drought | 5,160 | 0 | 3 | $2.6 billion |
| Flood | 3,729 | 35 | 65 | $3.7 billion |
| Winter Weather | 3,670 | 42 | 126 | $1.7 million |
| Flash Flood | 3,423 | 77 | 59 | $3.8 billion |
| High Wind | 3,191 | 13 | 47 | $114 million |
| Winter Storm | 3,182 | 42 | 122 | $153 million |
| Heavy Snow | 2,541 | 20 | 157 | $28 million |
| Tornado | 2,074 | 626 | 5,805 | $11 billion |
| Excessive Heat | 1,698 | 132 | 1,606 | $10.0 million |
| Marine Thunderstorm Wind | 1,674 | 3 | 14 | $240,000 |
| Strong Wind | 1,112 | 5 | 32 | $18 million |
| Heavy Rain | 1,087 | 1 | 7 | $21 million |
| Heat | 997 | 88 | 924 | $41,000 |
| Wildfire | 856 | 13 | 161 | $712 million |
| Blizzard | 814 | 40 | 59 | $48 million |
| Lightning | 765 | 13 | 88 | $8.1 million |
| Extreme Cold/Wind Chill | 608 | 4 | 3 | $11 million |
| Funnel Cloud | 526 | 0 | 0 | |
| Frost/Freeze | 482 | 0 | 0 | $344 million |
| High Surf | 466 | 9 | 4 | $25,000 |
| Tropical Storm | 466 | 16 | 13 | $272 million |
| Ice Storm | 420 | 17 | 72 | $37 million |
| Dense Fog | 407 | 10 | 84 | $177,000 |
| Cold/Wind Chill | 195 | 21 | 0 | |
| Waterspout | 169 | 0 | 0 | $5.1 million |
| Coastal Flood | 106 | 2 | 1 | $36 million |
| Lake-Effect Snow | 102 | 0 | 0 | $1.4 million |
| Debris Flow | 102 | 3 | 1 | $41 million |
| Storm Surge/Tide | 82 | 2 | 0 | $2.6 million |
| Marine High Wind | 73 | 0 | 0 | $1.0 million |
| Dust Storm | 54 | 2 | 50 | $2.2 million |
| Marine Hail | 51 | 0 | 0 | |
| Rip Current | 47 | 29 | 25 | $10,000 |
| Astronomical Low Tide | 28 | 0 | 0 | |
| Lakeshore Flood | 28 | 0 | 0 | $15 million |
| Avalanche | 26 | 9 | 8 | |
| Hurricane (Typhoon) | 16 | 4 | 1 | $620 million |
| Tsunami | 13 | 1 | 0 | $58 million |
| Marine Strong Wind | 13 | 2 | 5 | $351,000 |
| Dust Devil | 10 | 0 | 8 | $33,000 |
| Freezing Fog | 7 | 4 | 19 | $500,000 |
| Seiche | 6 | 0 | 0 | |
| Sleet | 1 | 0 | 0 | |
| Dense Smoke | 1 | 0 | 0 |
The deadliest
- Tornadoes and Hail in Missouri, May 22 to 23, 2011
- Tornadoes and Hail in Alabama, April 27, 2011
- Tornadoes and Hail in Alabama, April 27, 2011
- Tornadoes and Flood in Tennessee, April 27 to 28, 2011
- Excessive Heat in Pennsylvania, July 21 to 24, 2011
- Tornadoes and Flash Flooding in Mississippi, April 25 to 27, 2011
- Excessive Heat in New York, July 21 to 23, 2011
- Heat in Illinois, July 17 to 26, 2011
- Heat in Texas, July 1 to 31, 2011
- Tornadoes and Flash Flood in Georgia, April 27 to 28, 2011
- Blizzard in Illinois, February 1 to 2, 2011
- Excessive Heat in Texas, August 1 to 6, 2011
- Heat in Texas, August 6 to 31, 2011
- Tornadoes and Hail in Mississippi, April 26 to 27, 2011
- Tornadoes and Hail in North Carolina, April 16, 2011
- Tornadoes and Hail in Oklahoma, May 24, 2011
- Flash Flooding and Flooding in Pennsylvania, September 7 to 11, 2011
- Tornadoes in North Carolina, April 16, 2011
- Flash Flooding in Puerto Rico, November 7, 2011
- Excessive Heat in Missouri, July 17 to 31, 2011
- Winter Storm and Heavy Snow in Pennsylvania, October 29, 2011
- Tornado and Tropical Storm in New Jersey, August 27 to 31, 2011
- Tornadoes and Flash Flooding in Arkansas, April 24 to 30, 2011
- Flood and Hail in Indiana, August 13, 2011
- Tornadoes and Hail in Arkansas, April 14 to 15, 2011
The costliest
- Tornadoes and Hail in Alabama, April 27, 2011
- Tornadoes and Hail in Missouri, May 22 to 23, 2011
- Flooding in Tennessee, May 1 to 31, 2011
- Flash Flooding and Flooding in Vermont, August 28 to 31, 2011
- Drought in Texas, June 1 to 30, 2011
- Tornadoes and Hail in Alabama, April 27, 2011
- Flash Flooding and Flooding in New York, September 7 to 12, 2011
- Flooding in Mississippi, May 1 to 31, 2011
- Tornado and Tropical Storm in New Jersey, August 27 to 31, 2011
- Hurricane and Tornadoes in North Carolina, August 26 to 28, 2011
- Drought in Texas, July 1 to 31, 2011
- Tornadoes in North Carolina, April 16, 2011
- Frost and Freeze in California, December 8, 2011
- Flash Flooding and Flooding in Missouri, May 1 to 31, 2011
- Flooding in Arkansas, May 1 to 31, 2011
- Tornadoes and Flash Flooding in Missouri, April 22 to 26, 2011
- Wildfire in Texas, September 4 to 30, 2011
- Drought in Texas, May 1 to 31, 2011
- Tornadoes and Flash Flooding in Arkansas, April 24 to 30, 2011
- Tornadoes and Hail in Massachusetts, June 1, 2011
- Flash Flooding and Flooding in Pennsylvania, September 7 to 11, 2011
- Tornadoes and Flash Flood in Georgia, April 27 to 28, 2011
- Tornadoes and Hail in Minnesota, May 22, 2011
- Flash Flood and Hail in Colorado, July 13, 2011
- Flash Flooding and Hail in Illinois, June 17 to 18, 2011
By state
Events filed in each state in 2011.
- Alabama2,468
- Alaska431
- American Samoa11
- Arizona604
- Arkansas2,811
- California811
- Colorado1,611
- Connecticut292
- Delaware180
- District of Columbia34
- Florida1,378
- Georgia2,359
- Guam6
- Hawaii666
- Idaho270
- Illinois2,859
- Indiana1,799
- Iowa2,072
- Kansas3,664
- Kentucky2,689
- Louisiana1,207
- Maine665
- Maryland1,073
- Massachusetts503
- Michigan1,270
- Minnesota1,570
- Mississippi1,739
- Missouri3,194
- Montana1,514
- Nebraska2,479
- Nevada187
- New Hampshire353
- New Jersey1,047
- New Mexico1,009
- New York2,227
- North Carolina2,435
- North Dakota1,469
- Ohio2,233
- Oklahoma2,805
- Oregon342
- Pennsylvania1,925
- Puerto Rico181
- Rhode Island54
- South Carolina1,723
- South Dakota1,906
- Tennessee2,038
- Texas5,582
- U.S. Virgin Islands24
- Utah375
- Vermont572
- Virginia2,542
- Washington303
- West Virginia1,062
- Wisconsin1,552
- Wyoming936
Coastal and lake waters
More from this year
Tornadoes in 2011The 2011 hurricane seasonEvery warning issued in 2011This day in weather history
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.