/ Storm field report · Tripp

Hail in Winner · Aug 19, 2026

Hit 24 days ago

The estimated-size surface reached 0.75" aloft; NEXRAD logged no point detections over Winner that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 0.75" ≈ penny to nickel · radar-estimated size aloft
Homes in the hail footprint 84
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

Convective day · Aug 19, 2026 · noon–noon UTC

Severity

The 13th most severe storm Winner has seen in the last 12 months

Composite score · 2.1 / 10
Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

2.1 /10
Peak hail signal
19 /100

Largest radar-indicated size — a signal of damage potential, not confirmation.

Homes exposed
39 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Winner saw the hail — from two instruments

Aug 19, 2026 · Winner, SD

Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Winner, SD on Aug 19, 2026 Estimated size field

Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.

Max size 0.75"

Only the radar-estimated size surface resolved for Aug 19, 2026 — this storm produced no NEXRAD point detections over Winner, so there is one map to show, not two.

The storm in context

Where Aug 19, 2026 sits in Winner's hail record.

This was Winner's 15th recorded hail day, arriving 1 day after the Aug 18, 2026 storm. By severity it ranks 13th of the 15 storms we have logged here. Radar put the day's largest stone over Winner at 0.75" — radar-estimated size aloft.

The Aug 19, 2026 convective day was bigger than Winner: the same system put hail over 496 other tracked cities, 5 of them in South Dakota. Nearest: Dallas (5 miles east, up to 0.75"); Springview (40 miles south, up to 1.5"); Newport (43 miles south, up to 2.5").

These maps are stills. In the app this date is one of 15 Winner 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

What people on the ground reported

No reports filed with the NWS

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.

For this storm over Winner, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.

Near the severe threshold

What 0.75" hail means for Winner roofs.

A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

84 homes × $12,000 avg. claim

Potential roof exposure

$1M

Potential roof exposure — 84 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Claim window

August 2028

Claims from this storm can typically be filed until around August 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 $18 on top of the $150 plan.

Winner hail history

15 recorded storm days in Winner, SD
Radar-estimated hail-size map of the storm over Winner, SD on Aug 18, 2026 Estimated-size surface
Storm date Winner / SD

Aug 18, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Aug 11, 2026 Estimated-size surface
Storm date Winner / SD

Aug 11, 2026

2"
Estimated 2"
7 ground reports Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Aug 6, 2026 Estimated-size surface
Storm date Winner / SD

Aug 6, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 30, 2026 Estimated-size surface
Storm date Winner / SD

Jul 30, 2026

1.25"
Signatures 1.25" Estimated 0.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 29, 2026 Estimated-size surface
Storm date Winner / SD

Jul 29, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 25, 2026 Estimated-size surface
Storm date Winner / SD

Jul 25, 2026

1.25"
Signatures 1.25" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 19, 2026 Estimated-size surface
Storm date Winner / SD

Jul 19, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 6, 2026 Estimated-size surface
Storm date Winner / SD

Jul 6, 2026

3.25"
Signatures 3.25" Estimated 1.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jul 2, 2026 Estimated-size surface
Storm date Winner / SD

Jul 2, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jun 30, 2026 Estimated-size surface
Storm date Winner / SD

Jun 30, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jun 27, 2026 Estimated-size surface
Storm date Winner / SD

Jun 27, 2026

1.75"
Signatures 1.75" Estimated 1"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jun 4, 2026 Estimated-size surface
Storm date Winner / SD

Jun 4, 2026

2.5"
Signatures 2.5" Estimated 2"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jun 3, 2026 Estimated-size surface
Storm date Winner / SD

Jun 3, 2026

3.75"
Signatures 3.75" Estimated 2.25"
6 ground reports Open report →
Radar-estimated hail-size map of the storm over Winner, SD on Jun 2, 2026 Estimated-size surface
Storm date Winner / SD

Jun 2, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →

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A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 20, 2026.