/ Storm field report · Jones

Hail in Murdo · Apr 22, 2026

NEXRAD logged 0 hail signatures up to 1.75"; the estimated-size surface reached 1" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.75" ≈ golf ball · the largest NEXRAD radar signature
Homes in the hail footprint 211
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Apr 22, 2026 · noon–noon UTC

Severity

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

Composite score · 3.8 / 10
Storm severity score

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

3.8 /10
Peak hail signal
44 /100

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

Homes exposed
47 /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 Murdo saw the hail — from two instruments

Apr 22, 2026 · Murdo, SD

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 Murdo, SD on Apr 22, 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 1.75" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Murdo, SD on Apr 22, 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"

The storm in context

Where Apr 22, 2026 sits in Murdo's hail record.

This was Murdo's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 7th of the 14 storms we have logged here. Radar put the day's largest stone over Murdo at 1.75" — the largest NEXRAD radar signature.

The Apr 22, 2026 convective day was bigger than Murdo: the same system put hail over 152 other tracked cities, 35 of them in South Dakota. Nearest: Okaton (11 miles west, up to 2.5"); Fort Pierre (25 miles north, up to 1"); Midland (33 miles northwest, up to 2.5").

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

The National Weather Service logged no spotter reports for this storm over Murdo. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.

High damage potential

What 1.75" hail means for Murdo 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.

211 homes × $12,000 avg. claim

Potential roof exposure

$2.5M

Potential roof exposure — 211 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
1 job
Illustrative work
~$15K

Close just 0.5% of the 211 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 $44 on top of the $150 plan.

Murdo hail history

14 recorded storm days in Murdo, SD
Radar-estimated hail-size map of the storm over Murdo, SD on Aug 24, 2026 Estimated-size surface
Storm date Murdo / SD

Aug 24, 2026

2.5"
Estimated 2.5"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Aug 12, 2026 Estimated-size surface
Storm date Murdo / SD

Aug 12, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Aug 11, 2026 Estimated-size surface
Storm date Murdo / SD

Aug 11, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jul 25, 2026 Estimated-size surface
Storm date Murdo / SD

Jul 25, 2026

4"
Signatures 4" Estimated 2.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jul 4, 2026 Estimated-size surface
Storm date Murdo / SD

Jul 4, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jul 2, 2026 Estimated-size surface
Storm date Murdo / SD

Jul 2, 2026

1.75"
Signatures 1.75" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jun 28, 2026 Estimated-size surface
Storm date Murdo / SD

Jun 28, 2026

2.5"
Signatures 2.5" Estimated 1.5"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jun 27, 2026 Estimated-size surface
Storm date Murdo / SD

Jun 27, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jun 22, 2026 Estimated-size surface
Storm date Murdo / SD

Jun 22, 2026

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

Jun 4, 2026

1.75"
Signatures 1.75" Estimated 1"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jun 3, 2026 Estimated-size surface
Storm date Murdo / SD

Jun 3, 2026

2.5"
Signatures 2.5" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on Jun 2, 2026 Estimated-size surface
Storm date Murdo / SD

Jun 2, 2026

2.5"
Signatures 2.5" Estimated 1.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Murdo, SD on May 30, 2026 Estimated-size surface
Storm date Murdo / SD

May 30, 2026

1"
Signatures 1" Estimated 0.75"
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 25, 2026.