/ Storm field report · Lincoln

Hail in Sylvan Grove · Aug 13, 2026

Hit 30 days ago

The estimated-size surface reached 0.75" aloft; NEXRAD logged no point detections over Sylvan Grove that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 0.75" ≈ penny to nickel · radar-estimated size aloft
Homes in the hail footprint 44
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

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

Severity

The 10th most severe storm Sylvan Grove has seen in the last 12 months

Composite score · 2.0 / 10
Storm severity score

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

2.0 /10
Peak hail signal
19 /100

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

Homes exposed
33 /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 Sylvan Grove saw the hail — from two instruments

Aug 13, 2026 · Sylvan Grove, KS

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.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Aug 13, 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 0.75"

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

The storm in context

Where Aug 13, 2026 sits in Sylvan Grove's hail record.

This was Sylvan Grove's 12th recorded hail day, arriving 21 days after the Jul 23, 2026 storm. By severity it ranks 10th of the 12 storms we have logged here. Radar put the day's largest stone over Sylvan Grove at 0.75" — radar-estimated size aloft.

The Aug 13, 2026 convective day was bigger than Sylvan Grove: the same system put hail over 437 other tracked cities, 62 of them in Kansas. Nearest: Lincoln (9 miles northeast, up to 1"); Beverly (16 miles east, up to 1"); Dorrance (21 miles southwest, up to 1").

These maps are stills. In the app this date is one of 12 Sylvan Grove 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.

Nobody on the ground filed a report over Sylvan Grove for this date, which says more about who was watching than about the storm: spotter reports only exist where there is an observer. The radar surfaces above carry the evidence for this one.

Near the severe threshold

What 0.75" hail means for Sylvan Grove roofs.

A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

44 homes × $12,000 avg. claim

Potential roof exposure

$528K

Potential roof exposure — 44 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Claim window

August 2028

Claims from this storm can typically be filed until around August 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 $9 on top of the $150 plan.

Sylvan Grove hail history

12 recorded storm days in Sylvan Grove, KS
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jul 23, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jul 23, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jul 9, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jul 9, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jul 3, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jul 3, 2026

1.75"
Signatures 1.75" Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jun 19, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jun 19, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jun 9, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jun 9, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Jun 8, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Jun 8, 2026

2.5"
Signatures 2.5" Estimated 2.25"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on May 30, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

May 30, 2026

1.75"
Signatures 1.75" Estimated 0.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on May 29, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

May 29, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on May 18, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

May 18, 2026

2.5"
Signatures 2.5" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on May 17, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

May 17, 2026

4"
Signatures 4" Estimated 2.5"
4 ground reports Open report →
Radar-estimated hail-size map of the storm over Sylvan Grove, KS on Apr 26, 2026 Estimated-size surface
Storm date Sylvan Grove / KS

Apr 26, 2026

1.75"
Signatures 1.75" Estimated 1"
2 ground reports 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 14, 2026.