/ Storm field report · Logan

Hail in Winona · Aug 14, 2026

Hit 29 days ago

NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 0.5" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 120
Ground reports 2 2 wind
Radar surfaces 2 NEXRAD + estimated size

Convective day · Aug 14, 2026 · noon–noon UTC

Severity

The 14th most severe storm Winona has seen in the last 12 months

Composite score · 2.3 / 10
Storm severity score

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

2.3 /10
Peak hail signal
13 /100

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

Homes exposed
42 /100

How many homes sit inside the storm's footprint.

Ground truth
33 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Winona saw the hail — from two instruments

Aug 14, 2026 · Winona, KS

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
NEXRAD radar-signature map of the hail storm over Winona, KS on Aug 14, 2026 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 0" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Winona, KS on Aug 14, 2026 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 0.5"

The storm in context

Where Aug 14, 2026 sits in Winona's hail record.

This was Winona's 13th recorded hail day, arriving 22 days after the Jul 23, 2026 storm. By severity it ranks 14th of the 18 storms we have logged here. Radar put the day's largest stone over Winona at 0.5" — radar-estimated size aloft.

The Aug 14, 2026 convective day was bigger than Winona: the same system put hail over 316 other tracked cities, 53 of them in Kansas. Nearest: Colby (21 miles north, up to 0.5"); Edson (33 miles northwest, up to 1"); Goodland (37 miles northwest, up to 1.25").

These maps are stills. In the app this date is one of 18 Winona 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.

Wind reports

2 reports
Wind gust 64 mph
3 SW Russell Springs Logan County

“Mesonet site: Russel Springs (KSM) reported a 64 mph gust. (GLD)”

— NOAA / SPC storm report
Wind gust 68 mph
3 SW Russell Springs Logan County

“Kansas mesonet site Russell Springs 3SW measured 68 mph wind gust. (GLD)”

— 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.

Hail was reported over 15 minutes, from to .

Reports came from Russell Springs — beyond Winona itself.

Below the severe threshold

What 0.5" hail means for Winona roofs.

Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

120 homes × $12,000 avg. claim

Potential roof exposure

$1.4M

Potential roof exposure — 120 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 120 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

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 $25 on top of the $150 plan.

Winona hail history

18 recorded storm days in Winona, KS
Radar-estimated hail-size map of the storm over Winona, KS on Sep 4, 2026 Estimated-size surface
Storm date Winona / KS

Sep 4, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Aug 30, 2026 Estimated-size surface
Storm date Winona / KS

Aug 30, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Aug 21, 2026 Estimated-size surface
Storm date Winona / KS

Aug 21, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Aug 20, 2026 Estimated-size surface
Storm date Winona / KS

Aug 20, 2026

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

Aug 19, 2026

1.75"
Estimated 1.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jul 23, 2026 Estimated-size surface
Storm date Winona / KS

Jul 23, 2026

1.75"
Signatures 1.75" Estimated 1"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jul 9, 2026 Estimated-size surface
Storm date Winona / KS

Jul 9, 2026

1"
Signatures 1" Estimated 0.5"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jul 3, 2026 Estimated-size surface
Storm date Winona / 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 Winona, KS on Jul 1, 2026 Estimated-size surface
Storm date Winona / KS

Jul 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 Winona, KS on Jun 30, 2026 Estimated-size surface
Storm date Winona / KS

Jun 30, 2026

1.75"
Signatures 1.75" Estimated 1.25"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jun 24, 2026 Estimated-size surface
Storm date Winona / KS

Jun 24, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jun 21, 2026 Estimated-size surface
Storm date Winona / KS

Jun 21, 2026

1.75"
Estimated 1.75"
3 ground reports Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jun 20, 2026 Estimated-size surface
Storm date Winona / KS

Jun 20, 2026

2.75"
Estimated 2.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Winona, KS on Jun 12, 2026 Estimated-size surface
Storm date Winona / KS

Jun 12, 2026

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

Jun 1, 2026

2.75"
Signatures 2.75" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Winona, KS on May 29, 2026 Estimated-size surface
Storm date Winona / KS

May 29, 2026

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

May 16, 2026

4"
Signatures 4" Estimated 2.5"
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 5, 2026.