NOAA weather radar detected hail over 46 of the 1000 US cities we track on this date, across 9 states (IL, IN, MI, MO, NE, OH, OK, TX, WI) — 146 radar detections in total. The most active was Austin, TX with 11.
Check a specific address for this date →These dates are GMT, not local. GMT runs 5–8 hours ahead of the US, so a storm that hit at 8:30 PM local on one evening is recorded here under the following date. Evening storms are the norm across the Plains and the Southeast. If you are writing a date of loss on a claim form, check the local time — being one day off is a real reason a carrier can push back.
| City | Radar detections |
|---|---|
| Austin, TX | 11 |
| Parma, OH | 9 |
| College Station, TX | 8 |
| Bartlett, IL | 7 |
| Broken Arrow, OK | 7 |
| Streamwood, IL | 7 |
| Battle Creek, MI | 5 |
| Gary, IN | 5 |
| Hanover Park, IL | 5 |
| Mentor, OH | 5 |
| Oak Lawn, IL | 5 |
| Schaumburg, IL | 5 |
| Toledo, OH | 5 |
| Ann Arbor, MI | 4 |
| Berwyn, IL | 4 |
| Elgin, IL | 4 |
| Kalamazoo, MI | 4 |
| Oak Park, IL | 4 |
| Warren, OH | 4 |
| Elyria, OH | 3 |
| San Antonio, TX | 3 |
| Westerville, OH | 3 |
| Aurora, IL | 2 |
| Killeen, TX | 2 |
| Pflugerville, TX | 2 |
| Waco, TX | 2 |
| Wyoming, MI | 2 |
| Addison, IL | 1 |
| Akron, OH | 1 |
| Appleton, WI | 1 |
| Blue Springs, MO | 1 |
| Carol Stream, IL | 1 |
| Cleveland, OH | 1 |
| Cleveland Heights, OH | 1 |
| Cuyahoga Falls, OH | 1 |
| Evanston, IL | 1 |
| Findlay, OH | 1 |
| Joliet, IL | 1 |
| Lakewood, OH | 1 |
| Lincoln, NE | 1 |
| Lombard, IL | 1 |
| Portage, MI | 1 |
| San Marcos, TX | 1 |
| Skokie, IL | 1 |
| Victoria, TX | 1 |
| Wheaton, IL | 1 |
These are city-centre tiles. To see whether radar registered hail over your street on May 12, 2011 — and every other date going back to 1992 — run the free address lookup. No signup, no account, and you can download the result as a CSV.
Look up your address →What a detection means. Counts describe a 0.1° grid tile — roughly 7 miles north to south — containing the city, not a specific address. A detection inside the tile does not prove hail fell on any particular roof, and no detection does not prove none fell. This is a screening tool, not an insurance claim, a loss report, or an engineering inspection.
NOAA NCEI Severe Weather Data Inventory,
dataset nx3hail — NEXRAD Level-III Hail Detection Algorithm output. Public-domain US
government data.
All storm dates · All cities · Hail history by address
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