/ Storm field report · Geary

Hail in Junction City · Aug 18, 2026

Hit 27 days ago

The estimated-size surface reached 1.5" aloft; NEXRAD logged no point detections over Junction City that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.5" ≈ ping-pong ball · radar-estimated size aloft
Homes in the hail footprint 664
Ground reports 3 3 hail
Radar surfaces 1 Estimated size only

Convective day · Aug 18, 2026 · noon–noon UTC

Severity

The 6th most severe storm Junction City has seen in the last 12 months

Composite score · 4.4 / 10
Storm severity score

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

4.4 /10
Peak hail signal
38 /100

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

Homes exposed
56 /100

How many homes sit inside the storm's footprint.

Ground truth
50 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Junction City saw the hail — from two instruments

Aug 18, 2026 · Junction City, KS

Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Junction City, KS on Aug 18, 2026 Estimated size field

Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 1.5"

Only the radar-estimated size surface resolved for Aug 18, 2026 — this storm produced no NEXRAD point detections over Junction City, so there is one map to show, not two.

The storm in context

Where Aug 18, 2026 sits in Junction City's hail record.

This was Junction City's 20th recorded hail day, arriving 5 days after the Aug 13, 2026 storm. By severity it ranks 6th of the 21 storms we have logged here. Radar put the day's largest stone over Junction City at 1.5" — radar-estimated size aloft.

The Aug 18, 2026 convective day was bigger than Junction City: the same system put hail over 309 other tracked cities, 47 of them in Kansas. Nearest: Milford (9 miles northwest, up to 1.5"); Manhattan (13 miles northeast, up to 1"); Alma (19 miles east, up to 1").

These maps are stills. In the app this date is one of 21 Junction City 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

3 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

3 reports
Hail size 1.75"
6 SW Milford Dickinson County

“(TOP)”

— NOAA / SPC storm report
Hail size 1.5"
7 NNE Chapman Dickinson County

“(TOP)”

— NOAA / SPC storm report
Hail size 1.5"
7 NNE Chapman Dickinson County

“Corrects previous hail report from 7 NNE Chapman. (TOP)”

— 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.

Reports came from Milford and Chapman — beyond Junction City itself.

High damage potential

What 1.5" hail means for Junction City 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.

664 homes × $12,000 avg. claim

Potential roof exposure

$8M

Potential roof exposure — 664 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
3 jobs
Illustrative work
~$45K

Close just 0.5% of the 664 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 $139 on top of the $150 plan.

Junction City hail history

21 recorded storm days in Junction City, KS
Radar-estimated hail-size map of the storm over Junction City, KS on Sep 12, 2026 Estimated-size surface
Storm date Junction City / KS

Sep 12, 2026

1.25"
Estimated 1.25"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Aug 13, 2026 Estimated-size surface
Storm date Junction City / KS

Aug 13, 2026

1"
Estimated 1"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Aug 6, 2026 Estimated-size surface
Storm date Junction City / KS

Aug 6, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jul 23, 2026 Estimated-size surface
Storm date Junction City / KS

Jul 23, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jul 8, 2026 Estimated-size surface
Storm date Junction City / KS

Jul 8, 2026

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

Jul 4, 2026

1.75"
Signatures 1.75" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jul 3, 2026 Estimated-size surface
Storm date Junction City / KS

Jul 3, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jun 24, 2026 Estimated-size surface
Storm date Junction City / KS

Jun 24, 2026

2"
Estimated 2"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jun 13, 2026 Estimated-size surface
Storm date Junction City / KS

Jun 13, 2026

2.25"
Estimated 2.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jun 10, 2026 Estimated-size surface
Storm date Junction City / KS

Jun 10, 2026

1.5"
Estimated 1.5"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Jun 8, 2026 Estimated-size surface
Storm date Junction City / KS

Jun 8, 2026

1"
Signatures 1" Estimated 0.5"
8 ground reports Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on May 30, 2026 Estimated-size surface
Storm date Junction City / KS

May 30, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on May 29, 2026 Estimated-size surface
Storm date Junction City / KS

May 29, 2026

No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on May 18, 2026 Estimated-size surface
Storm date Junction City / KS

May 18, 2026

3.5"
Signatures 3.5" Estimated 1.75"
3 ground reports Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on May 17, 2026 Estimated-size surface
Storm date Junction City / KS

May 17, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Apr 26, 2026 Estimated-size surface
Storm date Junction City / KS

Apr 26, 2026

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

Apr 23, 2026

2.5"
Signatures 2.5" Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Apr 9, 2026 Estimated-size surface
Storm date Junction City / KS

Apr 9, 2026

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

Mar 6, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Junction City, KS on Mar 5, 2026 Estimated-size surface
Storm date Junction City / 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 13, 2026.