/ Storm field report · Ottawa

Hail in Clay Center · May 16, 2026

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

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Peak hail signal 0" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 0
Ground reports 1 1 wind
Radar surfaces 2 NEXRAD + estimated size

Convective day · May 16, 2026 · noon–noon UTC

Severity

The 21st most severe storm Clay Center has seen in the last 12 months

Composite score · 0.2 / 10
Storm severity score

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

0.2 /10
Peak hail signal
0 /100

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

Homes exposed
0 /100

How many homes sit inside the storm's footprint.

Ground truth
17 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Clay Center saw the hail — from two instruments

May 16, 2026 · Clay Center, 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 Clay Center, KS on May 16, 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 Clay Center, KS on May 16, 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"

The storm in context

Where May 16, 2026 sits in Clay Center's hail record.

This was Clay Center's 7th recorded hail day, arriving 2 days after the May 14, 2026 storm. By severity it ranks 21st of the 21 storms we have logged here. Radar put the day's largest stone over Clay Center at 0" — radar-estimated size aloft.

The May 16, 2026 convective day was bigger than Clay Center: the same system put hail over 711 other tracked cities, 98 of them in Kansas. Nearest: Clifton (14 miles north, up to 1.75"); Green (15 miles northeast, up to 0"); Miltonvale (16 miles west, up to 1").

These maps are stills. In the app this date is one of 21 Clay Center 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

1 report 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

1 report
Wind gust 63 mph
1 ENE Clay Center Clay County

“CWOP station. (TOP)”

— NOAA / SPC storm report

Below the severe threshold

What 0" hail means for Clay Center 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

Clay Center hail history

21 recorded storm days in Clay Center, KS
Radar-estimated hail-size map of the storm over Clay Center, KS on Sep 19, 2026 Estimated-size surface
Storm date Clay Center / KS

Sep 19, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Sep 12, 2026 Estimated-size surface
Storm date Clay Center / KS

Sep 12, 2026

1.75"
Estimated 1.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Aug 15, 2026 Estimated-size surface
Storm date Clay Center / KS

Aug 15, 2026

0.75"
Estimated 0.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Aug 14, 2026 Estimated-size surface
Storm date Clay Center / KS

Aug 14, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Aug 6, 2026 Estimated-size surface
Storm date Clay Center / KS

Aug 6, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Clay Center, KS on Jul 30, 2026 NEXRAD surface
Storm date Clay Center / KS

Jul 30, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Jul 27, 2026 Estimated-size surface
Storm date Clay Center / KS

Jul 27, 2026

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

Jul 3, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Jun 13, 2026 Estimated-size surface
Storm date Clay Center / KS

Jun 13, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Jun 8, 2026 Estimated-size surface
Storm date Clay Center / KS

Jun 8, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Jun 4, 2026 Estimated-size surface
Storm date Clay Center / KS

Jun 4, 2026

1.5"
Signatures 1.5" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on May 29, 2026 Estimated-size surface
Storm date Clay Center / KS

May 29, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on May 18, 2026 Estimated-size surface
Storm date Clay Center / KS

May 18, 2026

3.5"
Signatures 3.5" Estimated 2"
7 ground reports Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on May 17, 2026 Estimated-size surface
Storm date Clay Center / KS

May 17, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on May 14, 2026 Estimated-size surface
Storm date Clay Center / KS

May 14, 2026

2.5"
Signatures 2.5" Estimated 1"
5 ground reports Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Apr 26, 2026 Estimated-size surface
Storm date Clay Center / KS

Apr 26, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Apr 25, 2026 Estimated-size surface
Storm date Clay Center / KS

Apr 25, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Apr 10, 2026 Estimated-size surface
Storm date Clay Center / KS

Apr 10, 2026

0.75"
Signatures 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Mar 6, 2026 Estimated-size surface
Storm date Clay Center / KS

Mar 6, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Clay Center, KS on Mar 5, 2026 Estimated-size surface
Storm date Clay Center / KS

Mar 5, 2026

1"
Signatures 1" Estimated 0.5"
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 20, 2026.