2024 Year in Severe Weather
Annual U.S. Storm Report Summary • Published April 10, 2026
Year at a Glance
110,261
Storm Reports
-20.0% vs 2023
5,226
Hail Reports
Largest: 6.0"
44,834
Winter Weather Reports
6,086
Flood / Flash Flood Reports
335,736
NWS Alerts Issued
8,503 Tornado Warnings
2024 Highlights:
Snow was the most-reported event with 43,706 reports.
January was the busiest month (21,896 reports).
Colorado led all states with 11,157 reports.
The largest hail recorded measured 6.0 inches in diameter.
Storm Reports by Event Type
| # | Event Type | Reports | % of Total |
|---|
| 1 |
Snow |
43,706 |
39.6% |
| 2 |
Non-Tstm Wnd Gst |
15,087 |
13.7% |
| 3 |
Rain |
13,479 |
12.2% |
| 4 |
Tstm Wnd Dmg |
10,107 |
9.2% |
| 5 |
Tstm Wnd Gst |
5,606 |
5.1% |
| 6 |
Hail |
5,226 |
4.7% |
| 7 |
Flash Flood |
3,489 |
3.2% |
| 8 |
Non-Tstm Wnd Dmg |
3,221 |
2.9% |
| 9 |
Flood |
2,126 |
1.9% |
| 10 |
Tornado |
1,104 |
1.0% |
| 11 |
Extreme Cold |
901 |
0.8% |
| 12 |
Freezing Rain |
883 |
0.8% |
Tornado Activity
IL
Most Active State
102 reports
Apr
Peak Month
299 reports
Top States
| # | State | Reports |
|---|
| 1 | IL | 102 |
| 2 | IA | 74 |
| 3 | LA | 72 |
| 4 | MS | 69 |
| 5 | NE | 68 |
| 6 | TX | 68 |
| 7 | AL | 65 |
| 8 | FL | 61 |
| 9 | SC | 54 |
| 10 | OH | 51 |
Data note: Tornado EF/F intensity ratings are not consistently recorded in storm reports. Counts above represent confirmed tornado reports; intensity data is omitted due to incomplete coverage.
Hail Activity
372
Significant (≥ 2.0")
Baseball size and larger
Top States
| # | State | Reports |
|---|
| 1 | TX | 501 |
| 2 | KS | 412 |
| 3 | IL | 364 |
| 4 | MO | 319 |
| 5 | NE | 313 |
| 6 | IA | 280 |
| 7 | OK | 195 |
| 8 | MN | 191 |
| 9 | CO | 188 |
| 10 | WI | 164 |
Wind Events
34,186
Wind Reports
Damaging & measured gusts
156 mph
Strongest Gust Reported
994
Reports ≥ 75 mph
Hurricane-force threshold
By Wind Type
| Type | Reports |
|---|
| Non-Tstm Wnd Gst | 15,087 |
| Tstm Wnd Dmg | 10,107 |
| Tstm Wnd Gst | 5,606 |
| Non-Tstm Wnd Dmg | 3,221 |
| High Sust Winds | 165 |
Top States
| # | State | Reports |
|---|
| 1 | CA | 2,284 |
| 2 | MT | 1,946 |
| 3 | WY | 1,895 |
| 4 | MI | 1,598 |
| 5 | ID | 1,552 |
| 6 | SD | 1,302 |
| 7 | KS | 1,242 |
| 8 | NY | 1,219 |
| 9 | UT | 1,186 |
| 10 | CO | 1,183 |
Winter Weather
44,834
Total Winter Weather Reports
43,708
Snow Reports
Including heavy snow events
By Event Type
| Event | Reports |
|---|
| Snow | 43,706 |
| Freezing Rain | 883 |
| Sleet | 134 |
| Blizzard | 109 |
| Heavy Snow | 2 |
Top States
| # | State | Reports |
|---|
| 1 | CO | 8,394 |
| 2 | NY | 2,930 |
| 3 | MN | 2,862 |
| 4 | WY | 2,531 |
| 5 | PA | 2,152 |
| 6 | WI | 2,037 |
| 7 | MI | 1,975 |
| 8 | NM | 1,751 |
Flood & Flash Flood Reports
6,086
Flood Reports (all types)
By Event Type
| Event | Reports |
|---|
| Flash Flood | 3,489 |
| Flood | 2,126 |
| Coastal Flood | 471 |
Geographic Distribution — Top States
| # | State | Storm Reports | % of Total |
|---|
| 1 |
CO |
11,157 |
10.1% |
| 2 |
NY |
5,298 |
4.8% |
| 3 |
MI |
5,061 |
4.6% |
| 4 |
CA |
5,033 |
4.6% |
| 5 |
WY |
4,774 |
4.3% |
| 6 |
MN |
4,545 |
4.1% |
| 7 |
IL |
4,409 |
4.0% |
| 8 |
PA |
4,168 |
3.8% |
| 9 |
MT |
3,879 |
3.5% |
| 10 |
WI |
3,574 |
3.2% |
| 11 |
KS |
3,352 |
3.0% |
| 12 |
SD |
3,272 |
3.0% |
| 13 |
ID |
2,685 |
2.4% |
| 14 |
UT |
2,522 |
2.3% |
| 15 |
NM |
2,449 |
2.2% |
| 16 |
OH |
2,366 |
2.1% |
| 17 |
TX |
2,253 |
2.0% |
| 18 |
NE |
2,226 |
2.0% |
| 19 |
FL |
2,169 |
2.0% |
| 20 |
IA |
2,008 |
1.8% |
Monthly Storm Report Activity
| Month |
2024 Reports |
2023 Reports |
Change |
| Jan |
21,896 |
18,998 |
+15%
|
| Feb |
11,386 |
15,466 |
-26%
|
| Mar |
11,150 |
20,844 |
-47%
|
| Apr |
10,430 |
11,606 |
-10%
|
| May |
3 |
6,253 |
-100%
|
| Jun |
3,596 |
11,785 |
-69%
|
| Jul |
10,369 |
14,016 |
-26%
|
| Aug |
9,592 |
10,652 |
-10%
|
| Sep |
4,892 |
6,343 |
-23%
|
| Oct |
3,083 |
5,286 |
-42%
|
| Nov |
10,479 |
5,331 |
+97%
|
| Dec |
13,385 |
11,280 |
+19%
|
NWS Weather Alert Activity
335,736 NWS weather alerts were issued across the United States in 2024,
including 8,503 Tornado Warnings and
50,393 Severe Thunderstorm Warnings.
Top Alert Types
| # | Alert | Count |
|---|
| 1 | Special Weather Statement | 52,717 |
| 2 | Severe Thunderstorm Warning | 50,393 |
| 3 | Flood Warning | 43,687 |
| 4 | Winter Weather Advisory | 22,389 |
| 5 | Flood Advisory | 14,365 |
| 6 | Wind Advisory | 12,982 |
| 7 | Winter Storm Warning | 10,957 |
| 8 | Heat Advisory | 9,560 |
| 9 | Flash Flood Warning | 9,175 |
| 10 | Tornado Warning | 8,503 |
| 11 | Coastal Flood Advisory | 7,928 |
| 12 | Dense Fog Advisory | 7,626 |
| 13 | Tropical Storm Warning | 6,380 |
| 14 | Flood Watch | 6,107 |
| 15 | Red Flag Warning | 5,805 |
Alerts by Severity
Monthly Alert Issuance
About This Report
This report summarizes storm spotter reports and NWS weather alerts collected by iAlert for calendar year 2024.
Storm report data is sourced from National Weather Service Local Storm Reports (LSRs) ingested by the iAlert weather monitoring system.
Alert data represents official NWS alerts issued via the NOAA Weather Wire and CAP alert feed.
Data coverage: Contiguous United States, Alaska, Hawaii, and U.S. territories.
Data represents events reported through NWS field offices; actual occurrence may be higher in areas with limited spotter coverage.
Individual storm events may generate multiple LSR entries from different reporting sources, which are counted separately as received from NWS.
Wind gust values reflect reported maximum gusts; entries over 200 mph are excluded as data entry errors.
Hail sizes reflect maximum diameter as reported by spotters and NWS personnel.
