Hail size 1"
1 W Fort Lupton Weld County
“Report from mPING: Quarter (1.00 in.). (BOU)”
— NOAA / SPC storm report
/ Storm field report · Weld
Hail in Fort Lupton · Aug 22, 2026
Hit 21 days ago
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 1.25" aloft. Open it on the live map to see the swath over the streets.
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Peak hail signal 1.25" ≈ half-dollar · radar-estimated size aloft
Homes in the hail footprint 3,838
Ground reports 1 1 hail
Radar surfaces 2 NEXRAD + estimated size
Convective day · Aug 22, 2026 · noon–noon UTC
Severity
The most severe storm Fort Lupton has seen in the last 12 months
Composite score · 3.9 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
3.9 /10
- Peak hail signal
- 31 /100
- Homes exposed
- 72 /100
- Ground truth
- 17 /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 Fort Lupton saw the hail — from two instruments
Aug 22, 2026 · Fort Lupton, CO
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
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
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
1.25"
The storm in context
Where Aug 22, 2026 sits in Fort Lupton's hail record.
This was Fort Lupton's 4th recorded hail day, arriving 8 days after the Aug 14, 2026 storm. By severity it ranks 1st of the 5 storms we have logged here. Radar put the day's largest stone over Fort Lupton at 1.25" — radar-estimated size aloft.
The Aug 22, 2026 convective day was bigger than Fort Lupton: the same system put hail over 501 other tracked cities, 20 of them in Colorado. Nearest: Brighton (11 miles south, up to 1.25"); Keenesburg (21 miles east, up to 2"); Aurora (28 miles south, up to 0.5").
These maps are stills. In the app this date is one of 5 Fort Lupton 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.
Hail reports
1 reportDamage-capable hail signal
What 1.25" hail means for Fort Lupton roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
3,838 homes × $12,000 avg. claim
Potential roof exposure
$46M
Potential roof exposure — 3,838 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 19 jobs
- Illustrative work
- ~$285K
Close just 0.5% of the 3,838 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 $806 on top of the $150 plan.
Fort Lupton hail history
Other storms in Fort Lupton.
5 recorded storm days in Fort Lupton, CO
Estimated-size surface Storm date Fort Lupton / CO
Sep 6, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Fort Lupton / CO
Aug 14, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Fort Lupton / CO
Jul 8, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Fort Lupton / CO
Jun 3, 2026
1.25" Signatures 1.25" Estimated 0.75"
No ground reports filed Open report →
Take your next area into the field.
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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 7, 2026.