On the map: radar-estimated hail around Baca County, CO, the county with the most homes under 1″+ hail this day. Dots are storm reports. Zoom out for the rest of the day.
Radar-estimated hail
Storm reports for May 21, 2021
On May 21, 2021, 6 hail, 5 damaging-wind and 0 tornado reports were logged across 3 states.
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· As you type, the text is sent to Google to suggest addresses.IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet; 2020 Census housing units. Data through November 6, 2026. Methodology
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On May 21, 2021, 6 hail, 5 damaging-wind and 0 tornado reports were logged across 3 states. The largest hail reported was 1.75″ (golf ball size) in Scotts Bluff County, NE. Radar estimated hail of 1 inch or larger over 161 square miles, none of it over homes counted in the 2020 Census.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Colored areas are NOAA MRMS radar estimates of the largest hail (MESH) over the day, lower 48 states only; radar overestimates and underestimates size, so read it with the ground reports.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| NE | 4 | 0 | 0 | 1.75″ |
| CO | 1 | 3 | 0 | 1.00″ |
| NM | 1 | 2 | 0 | 0.75″ |
Cities with the largest radar-estimated hail
| City | Population | Radar max near center |
|---|---|---|
| Lamar, CO | 7,641 | 1.01″ |
| Portales, NM | 11,789 | 0.91″ |
Counties by homes inside 1″+ radar-estimated hail
| County | Homes | People | Area | Radar max |
|---|---|---|---|---|
| Baca County, CO | 0 | 0 | 2 mi² | 1.28″ |
| Bent County, CO | 0 | 0 | 8 mi² | 1.76″ |
| Kiowa County, CO | 0 | 0 | 8 mi² | 1.38″ |
| Las Animas County, CO | 0 | 0 | 4 mi² | 1.29″ |
| Lincoln County, CO | 0 | 0 | 2 mi² | 1.08″ |
| Prowers County, CO | 0 | 0 | 25 mi² | 1.69″ |
| Box Butte County, NE | 0 | 0 | 7 mi² | 1.23″ |
| Dawes County, NE | 0 | 0 | 18 mi² | 1.90″ |
| Scotts Bluff County, NE | 0 | 0 | 12 mi² | 1.44″ |
| Sheridan County, NE | 0 | 0 | 5 mi² | 1.26″ |
| Eddy County, NM | 0 | 0 | 13 mi² | 1.35″ |
| Harding County, NM | 0 | 0 | 1 mi² | 1.21″ |
| Quay County, NM | 0 | 0 | 22 mi² | 1.48″ |
| Roosevelt County, NM | 0 | 0 | 3 mi² | 1.20″ |
| Haakon County, SD | 0 | 0 | 15 mi² | 1.25″ |
Homes are 2020 Census housing units and people are 2020 Census residents, counted by block group where its center of population lies under radar-estimated hail of 1 inch or larger.
Hail reports (6)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:30 | 1.75″ | Scotts Bluff County, NE |
| 23:38 | 1.75″ | Dawes County, NE |
| 23:35 | 1.50″ | Dawes County, NE |
| 01:18 | 1.00″ | Prowers County, CO |
| 00:13 | 0.75″ | Scotts Bluff County, NE |
| 01:40 | 0.75″ | Roosevelt County, NM |
Damage, injuries and deaths
National Weather Service offices recorded 11 hail, wind or tornado events across the US on this storm day, with no damage estimate, injury or death entered. Injuries and deaths are those the events caused directly.
What the National Weather Service wrote
- Quay County, NM (near (Tcc)Tucumcari Arpt) · Thunderstorm wind 81 mph
“An ASOS station in Tucumcari measured an 81 mph wind gust from a severe thunderstorm.” - Morgan County, CO (near Snyder) · Thunderstorm wind 81 mph
“Intense thunderstorm winds downed power lines around the towns of Brush and Hillrose.” - Roosevelt County, NM (near Portales) · Thunderstorm wind 74 mph
“A weather station at the Portales airport measured a 74 mph wind gust from a severe thunderstorms. Other trained spotters in Portales estimated wind speeds of 60 to 65 mph.” - Roosevelt County, NM (near Portales Arpt) · Hail 0.75″
“A severe thunderstorm produced penny size hail in Portales.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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