/ Storm field report · Lyon

Hail in Allen · Aug 5, 2026

Hit 38 days ago

The estimated-size surface reached 1.25" aloft; NEXRAD logged no point detections over Allen that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.25" ≈ half-dollar · radar-estimated size aloft
Homes in the hail footprint 474
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

Convective day · Aug 5, 2026 · noon–noon UTC

Severity

The 7th most severe storm Allen has seen in the last 12 months

Composite score · 3.2 / 10
Storm severity score

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

3.2 /10
Peak hail signal
31 /100

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

Homes exposed
54 /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 Allen saw the hail — from two instruments

Aug 5, 2026 · Allen, KS

We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Allen, KS on Aug 5, 2026 Estimated size field

Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.

Max size 1.25"

Only the radar-estimated size surface resolved for Aug 5, 2026 — this storm produced no NEXRAD point detections over Allen, so there is one map to show, not two.

The storm in context

Where Aug 5, 2026 sits in Allen's hail record.

This was Allen's 14th recorded hail day, arriving 13 days after the Jul 23, 2026 storm. By severity it ranks 7th of the 14 storms we have logged here. Radar put the day's largest stone over Allen at 1.25" — radar-estimated size aloft.

The Aug 5, 2026 convective day was bigger than Allen: the same system put hail over 243 other tracked cities, 62 of them in Kansas. Nearest: Eskridge (7 miles north, up to 0.75"); Americus (14 miles south, up to 3.5"); Council Grove (15 miles southwest, up to 1.75").

These maps are stills. In the app this date is one of 14 Allen 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.

No ground reports were filed with the National Weather Service for this storm over Allen. That is common: a report depends on someone being there to see it and take the time to call it in. The radar surfaces above are the record here — the storm was detected from above even though no one on the ground logged it.

Damage-capable hail signal

What 1.25" hail means for Allen roofs.

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

What this storm is worth to a roofer.

474 homes × $12,000 avg. claim

Potential roof exposure

$5.7M

Potential roof exposure — 474 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
2 jobs
Illustrative work
~$30K

Close just 0.5% of the 474 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

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 $100 on top of the $150 plan.

Allen hail history

14 recorded storm days in Allen, KS
Radar-estimated hail-size map of the storm over Allen, KS on Jul 23, 2026 Estimated-size surface
Storm date Allen / KS

Jul 23, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Jul 4, 2026 Estimated-size surface
Storm date Allen / KS

Jul 4, 2026

1.5"
Signatures 1.5" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Jul 3, 2026 Estimated-size surface
Storm date Allen / KS

Jul 3, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Jun 13, 2026 Estimated-size surface
Storm date Allen / KS

Jun 13, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Jun 8, 2026 Estimated-size surface
Storm date Allen / KS

Jun 8, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Jun 4, 2026 Estimated-size surface
Storm date Allen / KS

Jun 4, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on May 31, 2026 Estimated-size surface
Storm date Allen / KS

May 31, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on May 30, 2026 Estimated-size surface
Storm date Allen / KS

May 30, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on May 18, 2026 Estimated-size surface
Storm date Allen / KS

May 18, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Apr 26, 2026 Estimated-size surface
Storm date Allen / KS

Apr 26, 2026

2"
Signatures 2" Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Apr 23, 2026 Estimated-size surface
Storm date Allen / KS

Apr 23, 2026

1.5"
Signatures 1.5" Estimated 0.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Apr 17, 2026 Estimated-size surface
Storm date Allen / KS

Apr 17, 2026

1.5"
Signatures 1.5" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Allen, KS on Apr 13, 2026 Estimated-size surface
Storm date Allen / KS

Apr 13, 2026

1.75"
Signatures 1.75" Estimated 1.25"
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 6, 2026.