/ Storm field report · Harper

Hail in Buffalo · Oct 13, 2026

Hit 9 days ago

The estimated-size surface reached 1.5" aloft; NEXRAD logged no point detections over Buffalo that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.5" ≈ ping-pong ball · radar-estimated size aloft
Homes in the hail footprint 1,628
Ground reports 1 1 wind
Radar surfaces 1 Estimated size only

Convective day · Oct 13, 2026 · noon–noon UTC

Severity

The 4th most severe storm Buffalo has seen in the last 12 months

Composite score · 4.1 / 10
Storm severity score

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

4.1 /10
Peak hail signal
38 /100

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

Homes exposed
64 /100

How many homes sit inside the storm's footprint.

Ground truth
17 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Buffalo saw the hail — from two instruments

Oct 13, 2026 · Buffalo, OK

Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Buffalo, OK on Oct 13, 2026 Estimated size field

Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 1.5"

Only the radar-estimated size surface resolved for Oct 13, 2026 — this storm produced no NEXRAD point detections over Buffalo, so there is one map to show, not two.

The storm in context

Where Oct 13, 2026 sits in Buffalo's hail record.

This was Buffalo's 13th recorded hail day, arriving 31 days after the Sep 12, 2026 storm. By severity it ranks 4th of the 13 storms we have logged here. Radar put the day's largest stone over Buffalo at 1.5" — radar-estimated size aloft.

The Oct 13, 2026 convective day was bigger than Buffalo: the same system put hail over 183 other tracked cities, 20 of them in Oklahoma. Nearest: Ashland (17 miles north, up to 1.5"); Protection (19 miles northeast, up to 2"); Laverne (22 miles southwest, up to 2.25").

These maps are stills. In the app this date is one of 13 Buffalo 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

1 report 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.

Wind reports

1 report
Wind gust 61 mph
1 W Buffalo Harper County

“(OUN)”

— NOAA / SPC storm report

High damage potential

What 1.5" hail means for Buffalo roofs.

Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

1,628 homes × $12,000 avg. claim

Potential roof exposure

$20M

Potential roof exposure — 1,628 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
8 jobs
Illustrative work
~$120K

Close just 0.5% of the 1,628 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

October 2028

Claims from this storm can typically be filed until around October 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 $342 on top of the $150 plan.

Buffalo hail history

Other storms in Buffalo.

13 recorded storm days in Buffalo, OK
← All hail in Buffalo
Radar-estimated hail-size map of the storm over Buffalo, OK on Sep 12, 2026 Estimated-size surface
Storm date Buffalo / OK

Sep 12, 2026

2.5"
Estimated 2.5"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Aug 26, 2026 Estimated-size surface
Storm date Buffalo / OK

Aug 26, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 26, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 26, 2026

2.5"
Signatures 2.5" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 24, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 24, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 21, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 21, 2026

1.5"
Estimated 1.5"
5 ground reports Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 16, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 16, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 12, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 12, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Jun 3, 2026 Estimated-size surface
Storm date Buffalo / OK

Jun 3, 2026

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

Jun 1, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on May 9, 2026 Estimated-size surface
Storm date Buffalo / OK

May 9, 2026

1"
Signatures 1" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Mar 10, 2026 Estimated-size surface
Storm date Buffalo / OK

Mar 10, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Buffalo, OK on Mar 3, 2026 Estimated-size surface
Storm date Buffalo / OK

Mar 3, 2026

1"
Signatures 1" Estimated 1"
1 ground report 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 Oct 14, 2026.