/ Storm field report · Ste. Genevieve

Hail in Sainte Genevieve · Apr 26, 2026

NEXRAD logged 0 hail signatures up to 2.5"; the estimated-size surface reached 1.5" aloft. At 2.5" — 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 2.5" ≈ baseball · the largest NEXRAD radar signature
Homes in the hail footprint 4,798
Ground reports 4 4 hail
Radar surfaces 2 NEXRAD + estimated size

Convective day · Apr 26, 2026 · noon–noon UTC

Severity

The most severe storm Sainte Genevieve has seen in the last 12 months

Composite score · 6.6 / 10
Storm severity score

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

6.6 /10
Peak hail signal
63 /100

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

Homes exposed
74 /100

How many homes sit inside the storm's footprint.

Ground truth
67 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Sainte Genevieve saw the hail — from two instruments

Apr 26, 2026 · Sainte Genevieve, MO

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.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Sainte Genevieve, MO on Apr 26, 2026 Radar signature field

The point detections NEXRAD recorded overhead. Each signature marks where the radar saw hail aloft — it is a detection, not a stone measured on the ground.

Max size 2.5" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Apr 26, 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 1.5"

The storm in context

Where Apr 26, 2026 sits in Sainte Genevieve's hail record.

This was Sainte Genevieve's 2nd recorded hail day, arriving 42 days after the Mar 15, 2026 storm. By severity it ranks 1st of the 14 storms we have logged here. Radar put the day's largest stone over Sainte Genevieve at 2.5" — the largest NEXRAD radar signature.

The Apr 26, 2026 convective day was bigger than Sainte Genevieve: the same system put hail over 710 other tracked cities, 278 of them in Missouri. Nearest: Saint Mary (13 miles southeast, up to 1"); Evansville (15 miles northeast, up to 0"); Farmington (19 miles southwest, up to 2.5").

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

4 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

4 reports
Hail size 1.5"
6 E Farmington Ste. Genevieve County

“Report from mPING: Ping Pong Ball (1.50 in.). (LSX)”

— NOAA / SPC storm report
Hail size 1.25"
6 E Farmington Ste. Genevieve County

“Report from mPING: Half Dollar (1.25 in.). (LSX)”

— NOAA / SPC storm report
Hail size 2"
4 SE Farmington St. Francois County

“Report from mPING: Hen Egg (2.00 in.). (LSX)”

— NOAA / SPC storm report
Hail size 1.5"
5 E Farmington St. Francois County

“Report from mPING: Ping Pong Ball (1.50 in.). (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 southwest at roughly 10 mph, based on the timing of ground reports.

Hail was reported over 34 minutes, from to .

Reports came from Farmington — beyond Sainte Genevieve itself.

Severe hail signal

What 2.5" hail means for Sainte Genevieve 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.

4,798 homes × $12,000 avg. claim

Potential roof exposure

$58M

Potential roof exposure — 4,798 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
24 jobs
Illustrative work
~$360K

Close just 0.5% of the 4,798 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 $1,008 on top of the $150 plan.

Sainte Genevieve hail history

14 recorded storm days in Sainte Genevieve, MO
Map unavailable
NEXRAD surface
Storm date Sainte Genevieve / MO

Sep 18, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Aug 25, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Aug 25, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Aug 12, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Aug 12, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Jul 10, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Jul 10, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Jul 9, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Jul 9, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Jul 8, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Jul 8, 2026

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

Jul 4, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Jun 16, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Jun 16, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on Jun 11, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

Jun 11, 2026

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

Jun 1, 2026

1.75"
Signatures 1.75" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sainte Genevieve, MO on May 31, 2026 Estimated-size surface
Storm date Sainte Genevieve / MO

May 31, 2026

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

Apr 27, 2026

2.25"
Signatures 2.25" Estimated 0.75"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Sainte Genevieve, MO on Mar 15, 2026 NEXRAD surface
Storm date Sainte Genevieve / MO

Mar 15, 2026

1"
Signatures 1"
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 Sep 19, 2026.