NOAA Storm Events · March 2021

Hail in March 2021: 621 NOAA reports across 27 states

NOAA logged 621 hail reports in March 2021, in 319 counties across 27 states. Texas had the most (166). The largest stone was 3 inches (a teacup), near Buchanan Lake in Burnet County, Texas, on March 22, 2021. The worst day was March 27, 2021, with 170 reports in 12 states.

Where
319 counties in 27 states; Texas had 27% of the reports
Largest stone
3 inches, a teacup, in Burnet County, TX (near Buchanan Lake), on March 22, 2021
Worst day
March 27, 2021: 170 reports in 12 states, 27% of the month
Days with hail
21 of 31 days had at least one report
Hail reports in March 2021, lower 48 states
  • under 1 in
  • 1 to 1.74 in
  • 1.75 to 2.74 in
  • 2.75 in and up
621 of the 621 reports have coordinates in the lower 48 and are drawn. One dot is a half-degree square (roughly 35 miles); a bigger dot means more reports, and the color is the largest stone in that square.

Day by day

March 27, 2021 was the worst day with 170 reports. A day with hail averaged 30.

Hail reports per day in March 2021 March 1: 0 reports 1 March 2: 0 reports March 3: 1 reports March 4: 0 reports March 5: 0 reports 5 March 6: 8 reports March 7: 1 reports March 8: 0 reports March 9: 0 reports March 10: 24 reports 10 March 11: 4 reports March 12: 11 reports March 13: 20 reports March 14: 2 reports March 15: 11 reports 15 March 16: 34 reports March 17: 87 reports March 18: 33 reports March 19: 0 reports March 20: 0 reports 20 March 21: 0 reports March 22: 26 reports March 23: 12 reports March 24: 58 reports March 25: 69 reports 25 March 26: 17 reports March 27: 170 reports 170 March 28: 11 reports March 29: 0 reports March 30: 1 reports 30 March 31: 21 reports
Hail reports per day, March 2021
March 10
March 20
March 31
March 40
March 50
March 68
March 71
March 80
March 90
March 1024
March 114
March 1211
March 1320
March 142
March 1511
March 1634
March 1787
March 1833
March 190
March 200
March 210
March 2226
March 2312
March 2458
March 2569
March 2617
March 27170
March 2811
March 290
March 301
March 3121

Where it hit hardest

Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.

Top 10 states by hail reports, March 2021 166 TX 84 TN 51 MO 41 AR 38 NC 28 VA 26 SC 24 MS 19 AL 19 OK
Top 10 states by hail reports, March 2021
TX166
TN84
MO51
AR41
NC38
VA28
SC26
MS24
AL19
OK19
Top 10 states
#StateReportsShareLargest
1Texas16626.7%3 in
2Tennessee8413.5%2.25 in
3Missouri518.2%2 in
4Arkansas416.6%3 in
5North Carolina386.1%2 in
6Virginia284.5%2 in
7South Carolina264.2%1.75 in
8Mississippi243.9%2.75 in
9Alabama193.1%2.5 in
10Oklahoma193.1%2.5 in
Top 10 counties
#CountyReportsLargest
1Travis County, TX132 in
2Williamson County, TN112.25 in
3Tarrant County, TX103 in
4Denton County, TX92.5 in
5Barry County, MO82 in
6Volusia County, FL81.5 in
7Burnet County, TX73 in
8Dakota County, MN72.5 in
9Hamilton County, IN71 in
10McDonald County, MO72 in

County names link to the full hail history where we have published that county. The CSV below lists all 319 counties and all 27 states.

How March 2021 compares

Compared withReportsMarch 2021 was
February 202146+575 (+1250%)
March 2020509+112 (+22%)
the average March in the other 12 years718-97 (-14%)

March 2021 was the 7th busiest March of the 13 in the record and the 69th busiest of all 150 months.

NOAA hail reports in March, by year 297 2014 525 2015 925 2016 1483 2017 529 2018 482 2019 509 2020 621 2021 274 2022 808 2023 847 2024 1084 2025 857 2026
NOAA hail reports in March, by year
2014297
2015525
2016925
20171483
2018529
2019482
2020509
2021621
2022274
2023808
2024847
20251084
2026857

Every March in the record, 2014 to 2026. Months after June 2026 are not in NOAA's file yet.

Quote this

Free to quote with credit under CC BY 4.0. Copy the sentence and the citation together.

Download the data

Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.

Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.