Hail size 1.5"
Heart Butte Dam Grant County
“Photo of hail in the palm of a hand. (BIS)”
— NOAA / SPC storm report
/ Storm field report · Morton
Hail in Glen Ullin · Jul 19, 2026
The estimated-size surface reached 1.5" aloft; NEXRAD logged no point detections over Glen Ullin 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 461
Ground reports 1 1 hail
Radar surfaces 1 Estimated size only
Convective day · Jul 19, 2026 · noon–noon UTC
Severity
The 4th most severe storm Glen Ullin has seen in the last 12 months
Composite score · 3.8 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
3.8 /10
- Peak hail signal
- 38 /100
- Homes exposed
- 53 /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 Glen Ullin saw the hail — from two instruments
Jul 19, 2026 · Glen Ullin, ND
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-estimated hail size Surface resolved
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.
Max size
1.5"
Only the radar-estimated size surface resolved for Jul 19, 2026 — this storm produced no NEXRAD point detections over Glen Ullin, so there is one map to show, not two.
The storm in context
Where Jul 19, 2026 sits in Glen Ullin's hail record.
This was Glen Ullin's 7th recorded hail day, arriving 1 day after the Jul 18, 2026 storm. By severity it ranks 4th of the 10 storms we have logged here. Radar put the day's largest stone over Glen Ullin at 1.5" — radar-estimated size aloft.
The Jul 19, 2026 convective day was bigger than Glen Ullin: the same system put hail over 351 other tracked cities, 44 of them in North Dakota. Nearest: New Salem (15 miles east, up to 0.5"); Zap (21 miles north, up to 0.5"); Almont (25 miles southeast, up to 1.5").
These maps are stills. In the app this date is one of 10 Glen Ullin 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 reportStorm 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 Heart Butte Dam — beyond Glen Ullin itself.
High damage potential
What 1.5" hail means for Glen Ullin 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.
461 homes × $12,000 avg. claim
Potential roof exposure
$5.5M
Potential roof exposure — 461 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 2 jobs
- Illustrative work
- ~$30K
Close just 0.5% of the 461 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
July 2028
Claims from this storm can typically be filed until around July 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 $97 on top of the $150 plan.
Glen Ullin hail history
Other storms in Glen Ullin.
10 recorded storm days in Glen Ullin, ND
Estimated-size surface Storm date Glen Ullin / ND
Sep 6, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Aug 30, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Aug 11, 2026
2" Estimated 2"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Jul 18, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Jul 12, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Jul 3, 2026
1.75" Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Jun 27, 2026
1.75" Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Glen Ullin / ND
Jun 9, 2026
2.5" Signatures 2.5" Estimated 1.5"
2 ground reports Open report →
Estimated-size surface Storm date Glen Ullin / ND
May 21, 2026
0.75" Estimated 0.75"
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 7, 2026.