National Storms

May 2020 storm reports: hail, wind and tornadoes

IndependentNot affiliated with NOAA or the National Weather Service.

In May 2020, 1,489 hail, 1,880 damaging-wind and 127 tornado reports were logged on 29 storm days across 46 states. The largest hail reported was 5.33″ (softball size) in Wichita County, TX on May 22, 2020. The most hail reports came on May 4, 2020 (267). Tornadoes killed 1. Radar estimated hail of 1 inch or larger on 30 days; the widest swath, on May 4, 2020, covered 8,594 square miles.

Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet. Data through November 6, 2026. Methodology

← April 2020 All 2020 storm days June 2020 →

1,489hail reports
1,880wind reports
127tornado reports
5.33″largest hail
29storm days
30days with 1″+ radar hail
May 1: 0May 2: 22May 3: 99May 4: 267May 5: 40May 6: 0May 7: 83May 8: 5May 9: 0May 10: 8May 11: 29May 12: 3May 13: 33May 14: 55May 15: 74May 16: 7May 17: 5May 18: 4May 19: 20May 20: 56May 21: 111May 22: 117May 23: 114May 24: 114May 25: 17May 26: 30May 27: 118May 28: 18May 29: 3May 30: 28May 31: 9May 1May 4May 7May 10May 13May 16May 19May 22May 25May 28May 31max 267
Hail reports by day, May 2020

Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.

Major hail storms in May 2020

Biggest storm days of May 2020

DayHailWindTornadoLargest hailStatesRadar 1″+ areaRadar max
May 4, 202026716735.00″98,594 mi²4.20″
May 3, 20209926712.75″163,500 mi²4.20″
May 15, 20207424942.00″103,504 mi²2.91″
May 22, 2020117141145.33″144,521 mi²2.62″
May 23, 2020114117143.25″174,839 mi²3.55″
May 24, 202011410632.75″183,604 mi²4.12″
May 27, 20201186952.75″134,391 mi²4.34″
May 7, 2020837803.25″64,387 mi²4.06″
May 21, 202011137104.00″82,566 mi²4.96″
May 20, 2020567083.00″112,388 mi²5.80″

Largest hail reported in May 2020

DaySizeLocation
May 22, 20205.33″ (softball)Wichita County, TX
May 4, 20205.00″ (softball)Washington County, AR
May 4, 20204.00″ (grapefruit)Washington County, AR
May 21, 20204.00″ (grapefruit)Tom Green County, TX
May 22, 20204.00″ (grapefruit)Tillman County, OK
May 4, 20203.50″ (teacup)McClain County, OK
May 4, 20203.41″ (teacup)Cleveland County, OK
May 4, 20203.25″ (teacup)Cleveland County, OK
May 7, 20203.25″ (teacup)Childress County, TX
May 23, 20203.25″ (teacup)Briscoe County, TX

Storm reports by state, May 2020

StateHailWindTornadoLargest hail
Texas415198225.33″
Oklahoma185118154.00″
Kansas20190113.00″
Missouri8911132.75″
Tennessee3115213.00″
New York1216921.00″
South Carolina587443.00″
Arkansas626585.00″
Illinois1971161.75″
Montana435812.50″
Alabama168401.75″
Ohio158411.25″
Florida513323.00″
Colorado461492.75″
Louisiana223891.75″
Nebraska313121.75″
Mississippi174401.75″
South Dakota56502.75″
Georgia124412.00″
Iowa1322133.00″
Kentucky53901.00″
North Carolina33431.75″
Indiana102801.75″
Oregon191902.00″
Wyoming261102.00″
Pennsylvania23401.00″
Massachusetts23201.00″
Utah0340–
Vermont0260–
Idaho0250–
New Hampshire0220–
Washington0200–
Wisconsin81202.00″
Virginia11201.00″
New Mexico8201.25″
Minnesota1420.88″
Michigan060–
North Dakota5011.25″
Connecticut3200.88″
Maryland040–
Arizona030–
California1011.00″
Delaware020–
Maine1100.88″
West Virginia020–
Nevada010–

Every storm day in May 2020

May 2 May 3 May 4 May 5 May 7 May 8 May 9 May 10 May 11 May 12 May 13 May 14 May 15 May 16 May 17 May 18 May 19 May 20 May 21 May 22 May 23 May 24 May 25 May 26 May 27 May 28 May 29 May 30 May 31

A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.

Guide: Storm reports: preliminary vs final