“(GLD)”
— NOAA / SPC storm report
Hail in Seibert · Aug 19, 2026
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 3.25" aloft. At 3.25" — baseball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
Convective day · Aug 19, 2026 · noon–noon UTC
Severity
The most severe storm Seibert has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Peak hail signal
- 81 /100
- Homes exposed
- 56 /100
- Ground truth
- 33 /100
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
How Seibert saw the hail — from two instruments
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 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.
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.
The storm in context
Where Aug 19, 2026 sits in Seibert's hail record.
This was Seibert's 8th recorded hail day, arriving 22 days after the Jul 28, 2026 storm. By severity it ranks 1st of the 9 storms we have logged here. Radar put the day's largest stone over Seibert at 3.25" — radar-estimated size aloft.
The Aug 19, 2026 convective day was bigger than Seibert: the same system put hail over 496 other tracked cities, 30 of them in Colorado. Nearest: Vona (4 miles northeast, up to 2.25"); Stratton (11 miles east, up to 2.25"); Flagler (15 miles northwest, up to 4").
These maps are stills. In the app this date is one of 9 Seibert 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
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
2 reports“(GLD)”
— NOAA / SPC storm report
Storm forensics
How the storm moved
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Hail was reported over 45 minutes, from to .
Severe hail signal
What 3.25" hail means for Seibert roofs.
Two-inch-plus hail is capable of puncturing shingles, breaking skylights or windows, and heavily denting soft materials. The strongest radar bands warrant prompt inspection, but neither the signal nor the footprint confirms damage at a specific address.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$7.2M
Potential roof exposure — 597 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 597 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 $125 on top of the $150 plan.
Seibert hail history
Other storms in Seibert.
Estimated-size surface Aug 21, 2026
0.5"
Estimated-size surface Jul 28, 2026
1"
Estimated-size surface Jul 22, 2026
1"
Estimated-size surface Jul 9, 2026
1"
Estimated-size surface Jun 30, 2026
1.25"
Estimated-size surface Jun 26, 2026
2.5"
Estimated-size surface Jun 8, 2026
2.5"
Estimated-size surface May 17, 2026
3"Take your next area into the field.
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