The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Osseo that day. Open it on the live map to see the swath over the streets.
A tornado was also reported to the National Weather Service during this storm. The ground reports below show where it was filed.
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Convective day · Jun 19, 2026 · noon–noon UTC
Severity
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
The maps here read the same storm from two angles — point detections from NEXRAD, and modeled hail size aloft. Where the two disagree is informative: it marks where estimated size outran the signatures, or trailed them.
Estimated size field The modeled maximum hail size across the swath, derived from radar aloft — the largest stone the storm could have supported, which is not necessarily what reached the ground.
Only the radar-estimated size surface resolved for Jun 19, 2026 — this storm produced no NEXRAD point detections over Osseo, so there is one map to show, not two.
The storm in context
This was Osseo's 9th recorded hail day, arriving 9 days after the Jun 10, 2026 storm. By severity it ranks 2nd of the 9 storms we have logged here. Radar put the day's largest stone over Osseo at 1" — radar-estimated size aloft.
The Jun 19, 2026 convective day was bigger than Osseo: the same system put hail over 339 other tracked cities, 26 of them in Wisconsin. Nearest: Fall Creek (11 miles north, up to 0.75"); Augusta (12 miles northeast, up to 0.75"); Eau Claire (19 miles west, up to 0.75").
These maps are stills. In the app this date is one of 9 Osseo storm dates on a live map — both surfaces, the reports, and a replay — and the same map is where you draw the swath. This page rebuilds nightly.
Ground reports
These are storm reports filed with the National Weather Service and released through the NOAA Storm Prediction Center — public-domain observations from spotters, the public, and NWS surveys. We quote each one exactly as filed.
“Rating: EF0 ... This brief... weak... and narrow tornado began as a highly visible funnel cloud just west of Osseo. It touched down at a baseball field off US Highway 1 (ARX)”
— NOAA / SPC storm report
“Report of quarter sized hail east of Osseo. (ARX)”
— NOAA / SPC storm report
“Image of hailstones next to a golf ball for reference. Time estimated from radar. (ARX)”
— NOAA / SPC storm report
“Delayed report. Time estimated from radar. (MPX)”
— NOAA / SPC storm report
Storm forensics
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Reports came from Augusta — beyond Osseo itself.
Damage-capable hail signal
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
Potential roof exposure
$16M
Potential roof exposure — 1,362 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Close just 0.5% of the 1,362 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.
Claim window
June 2028
Claims from this storm can typically be filed until around June 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.
Names and phones for every home in the footprint: at most $286 on top of the $150 plan.
Estimated-size surface 
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NEXRAD surface 
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Estimated-size surface Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.