Hail in Castle Rock · Aug 22, 2026
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0.75" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Aug 22, 2026 · noon–noon UTC
Severity
The 13th most severe storm Castle Rock 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
- 19 /100
- Homes exposed
- 46 /100
- Ground truth
- 0 /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 Castle Rock saw the hail — from two instruments
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.
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.
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.
The storm in context
Where Aug 22, 2026 sits in Castle Rock's hail record.
This was Castle Rock's 12th recorded hail day, arriving 7 days after the Aug 15, 2026 storm. By severity it ranks 13th of the 14 storms we have logged here. Radar put the day's largest stone over Castle Rock at 0.75" — radar-estimated size aloft.
The Aug 22, 2026 convective day was bigger than Castle Rock: the same system put hail over 501 other tracked cities, 20 of them in Colorado. Nearest: Littleton (13 miles northwest, up to 0.75"); Sedalia (17 miles southwest, up to 0.75"); Watkins (21 miles northeast, up to 1.75").
These maps are stills. In the app this date is one of 14 Castle Rock 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.
For this storm over Castle Rock, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.
Near the severe threshold
What 0.75" hail means for Castle Rock roofs.
A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$2.3M
Potential roof exposure — 188 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 188 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 $39 on top of the $150 plan.
Castle Rock hail history
Other storms in Castle Rock.
Estimated-size surface Sep 6, 2026
0.5"
Estimated-size surface Aug 26, 2026
1"
Estimated-size surface Aug 15, 2026
1.25"
Estimated-size surface Aug 14, 2026
0.75"
Estimated-size surface Jul 29, 2026
1.25"
Estimated-size surface Jul 28, 2026
1.75"
NEXRAD surface Jul 25, 2026
0.75"
Estimated-size surface Jun 26, 2026
1"
Estimated-size surface Jun 8, 2026
1"
Estimated-size surface Jun 3, 2026
1.75"
Estimated-size surface Jun 1, 2026
1.75"
Estimated-size surface May 29, 2026
1"
Estimated-size surface May 17, 2026
1"Take your next area into the field.
See the hail, review your recommendations, and canvass with Overview on iPhone.
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