Hail size 1"
2 SW Comanche Stephens County
“(OUN)”
— NOAA / SPC storm report
/ Storm field report · Stephens
Hail in Duncan · May 8, 2026
NEXRAD logged 0 hail signatures up to 4"; the estimated-size surface reached 2.5" aloft. At 4" — softball or larger — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
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Peak hail signal 4" ≈ softball or larger · the largest NEXRAD radar signature
Homes in the hail footprint 7,845
Ground reports 2 2 hail
Radar surfaces 2 NEXRAD + estimated size
Convective day · May 8, 2026 · noon–noon UTC
Severity
The most severe storm Duncan has seen in the last 12 months
Composite score · 8.4 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
8.4 /10
- Peak hail signal
- 100 /100
- Homes exposed
- 78 /100
- Ground truth
- 33 /100
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
How Duncan saw the hail — from two instruments
May 8, 2026 · Duncan, OK
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.
NEXRAD radar signatures Surface resolved
Radar signature field Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.
Max size
4"
Detections
0
Radar-estimated hail size Surface resolved
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.
Max size
2.5"
The storm in context
Where May 8, 2026 sits in Duncan's hail record.
This was Duncan's 6th recorded hail day, arriving 10 days after the Apr 28, 2026 storm. By severity it ranks 1st of the 12 storms we have logged here. Radar put the day's largest stone over Duncan at 4" — the largest NEXRAD radar signature.
The May 8, 2026 convective day was bigger than Duncan: the same system put hail over 378 other tracked cities, 115 of them in Oklahoma. Nearest: Loco (7 miles south, up to 2.5"); Marlow (11 miles northwest, up to 2.5"); Rush Springs (24 miles northwest, up to 1.75").
These maps are stills. In the app this date is one of 12 Duncan 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
2 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.
Hail reports
2 reports Hail size 1"
2 SW Comanche Stephens County
“(OUN)”
— NOAA / SPC storm report
Storm forensics
How the storm moved
Timing and place names from NOAA ground reports
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Reports came from Comanche — beyond Duncan itself.
Severe hail signal
What 4" hail means for Duncan roofs.
Two-inch-plus hail is capable of puncturing shingles, breaking skylights or windows, and heavily denting soft materials. The strongest radar bands warrant prompt inspection, but neither the signal nor the footprint confirms damage at a specific address.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
7,845 homes × $12,000 avg. claim
Potential roof exposure
$94M
Potential roof exposure — 7,845 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 39 jobs
- Illustrative work
- ~$585K
Close just 0.5% of the 7,845 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
May 2028
Claims from this storm can typically be filed until around May 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 $1,647 on top of the $150 plan.
Duncan hail history
Other storms in Duncan.
12 recorded storm days in Duncan, OK
Estimated-size surface Storm date Duncan / OK
Aug 7, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Jul 5, 2026
1.75" Signatures 1.75" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Jul 4, 2026
1" Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Jun 21, 2026
1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Jun 18, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
May 9, 2026
3.25" Signatures 3.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Apr 28, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Apr 25, 2026
1.5" Signatures 1.5" Estimated 0.75"
2 ground reports Open report →
Estimated-size surface Storm date Duncan / OK
Apr 14, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Duncan / OK
Mar 10, 2026
2" Estimated 2"
1 ground report Open report →
Estimated-size surface Storm date Duncan / OK
Mar 6, 2026
1.75" Signatures 1.75" Estimated 0.75"
No ground reports filed Open report →
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Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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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 8, 2026.