National Storms

On the map: radar-estimated hail around Prowers 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

¾″1″1½″2″2½″3″+

2019 storm days

Storm reports for December 21, 2019

No storm reports were logged on December 21, 2019.

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0homes inside 1″+ radar-estimated hail (54 mi²)

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

← Dec 17, 2019 All 2019 storm days · December 2019 Dec 25, 2019 →

Other storms on December 21 →

No storm reports were logged on December 21, 2019. Radar estimated hail of 1 inch or larger over 54 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.

Counties by homes inside 1″+ radar-estimated hail

CountyHomesPeopleAreaRadar max
Prowers County, CO000 mi²1.22″
Cass County, IA003 mi²1.62″
Gray County, KS005 mi²5.92″
Rawlins County, KS002 mi²3.95″
Thomas County, KS000 mi²1.26″
Atchison County, MO0012 mi²2.08″
DeKalb County, MO002 mi²2.02″
Cuming County, NE0017 mi²2.17″
Dixon County, NE003 mi²1.77″
Wayne County, NE003 mi²1.80″
Ellis County, OK000 mi²1.66″
Woodward County, OK001 mi²2.43″

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.

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Every day since October 2019 that radar estimated hail near the address, free.

Guide: How to check if it hailed at your address · Free hail alerts by email · As you type, the text is sent to Google to suggest addresses.