Hail size 4"
8 SSW Piney Park Washington County
“Numerous hailstones measuring 2-inches by 4-inches. (LSX)”
— NOAA / SPC storm report
/ Storm field report · Franklin
Hail in Sullivan · Apr 27, 2026
NEXRAD logged 20 hail signatures up to 3.25"; the estimated-size surface reached 1.5" aloft. At 3.25" — baseball — 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 3.25" ≈ baseball · the largest NEXRAD radar signature
Homes in the hail footprint 1,200
Ground reports 9 9 hail
Radar surfaces 2 NEXRAD + estimated size
Convective day · Apr 27, 2026 · noon–noon UTC
Severity
The most severe storm Sullivan has seen in the last 12 months
Composite score · 7.9 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
7.9 /10
- Peak hail signal
- 81 /100
- Homes exposed
- 62 /100
- Ground truth
- 100 /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 Sullivan saw the hail — from two instruments
Apr 27, 2026 · Sullivan, MO
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
3.25"
Detections
20
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
1.5"
The storm in context
Where Apr 27, 2026 sits in Sullivan's hail record.
This was Sullivan's 4th recorded hail day, arriving 1 day after the Apr 26, 2026 storm. By severity it ranks 1st of the 11 storms we have logged here. Radar put the day's largest stone over Sullivan at 3.25" — the largest NEXRAD radar signature.
The Apr 27, 2026 convective day was bigger than Sullivan: the same system put hail over 1,188 other tracked cities, 305 of them in Missouri. Nearest: Bourbon (7 miles south, up to 3.25"); Rosebud (9 miles northwest, up to 2.25"); Gerald (10 miles north, up to 1.5").
These maps are stills. In the app this date is one of 11 Sullivan 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
9 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
9 reports Hail size 1"
Bourbon Crawford County
“Report from mPING: Quarter (1.00 in.). (LSX)”
— NOAA / SPC storm report
Hail size 2"
Bourbon Crawford County
“2+ inch hail near Bourbon Elementary School. (LSX)”
— NOAA / SPC storm report
Hail size 3"
Bourbon Crawford County
“(LSX)”
— NOAA / SPC storm report
Hail size 1.75"
Bourbon Crawford County
“(LSX)”
— NOAA / SPC storm report
Hail size 2.5"
Bourbon Crawford County
“Report from mPING: Tennis Ball (2.50 in.). (LSX)”
— NOAA / SPC storm report
Hail size 1.75"
5 NW Richwoods Franklin County
“time estimated. (LSX)”
— NOAA / SPC storm report
Hail size 2.25"
Sullivan Franklin County
“(LSX)”
— NOAA / SPC storm report
Hail size 1.25"
1 SE Sullivan Franklin County
“pictures received. time and size estimated. (LSX)”
— 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.
The storm tracked east at roughly 40 mph, based on the timing of ground reports.
Hail was reported over 30 minutes, from to .
Reports came from Piney Park, Bourbon, and Richwoods — beyond Sullivan itself.
Severe hail signal
What 3.25" hail means for Sullivan 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.
1,200 homes × $12,000 avg. claim
Potential roof exposure
$14M
Potential roof exposure — 1,200 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 6 jobs
- Illustrative work
- ~$90K
Close just 0.5% of the 1,200 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
April 2028
Claims from this storm can typically be filed until around April 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 $252 on top of the $150 plan.
Sullivan hail history
Other storms in Sullivan.
11 recorded storm days in Sullivan, MO
Estimated-size surface Storm date Sullivan / MO
Sep 16, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Aug 12, 2026
1.5" Estimated 1.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Jul 9, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Jul 5, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Jul 4, 2026
1.5" Signatures 1.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
May 31, 2026
1.75" Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
May 18, 2026
1.25" Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Apr 26, 2026
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Apr 17, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Sullivan / MO
Apr 15, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
The next storm won’t wait for you.
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 Sep 17, 2026.