Wind gust 82 mph
3 ESE Griffin Bowman County
“82 MPH wind gust measured at NDAWN 4W Bowman. (BIS)”
— NOAA / SPC storm report
/ Storm field report · Bowman
Hail in Bowman · Jun 27, 2026
NEXRAD logged 1 hail signature up to 1"; the estimated-size surface reached 1.5" aloft. 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 0
Ground reports 2 2 wind
Radar surfaces 2 NEXRAD + estimated size
Convective day · Jun 27, 2026 · noon–noon UTC
Severity
The 8th most severe storm Bowman has seen in the last 12 months
Composite score · 2.7 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
2.7 /10
- Peak hail signal
- 38 /100
- Homes exposed
- 0 /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 Bowman saw the hail — from two instruments
Jun 27, 2026 · Bowman, ND
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
NEXRAD radar signatures Surface resolved
Radar signature field NEXRAD radar signatures — the point detections the storm produced overhead. A signature is where the radar saw hail, not a confirmed stone on the ground.
Max size
1"
Detections
1
Radar-estimated hail size Surface resolved
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
Max size
1.5"
The storm in context
Where Jun 27, 2026 sits in Bowman's hail record.
This was Bowman's 3rd recorded hail day, arriving 20 days after the Jun 7, 2026 storm. By severity it ranks 8th of the 10 storms we have logged here. Radar put the day's largest stone over Bowman at 1.5" — radar-estimated size aloft.
The Jun 27, 2026 convective day was bigger than Bowman: the same system put hail over 587 other tracked cities, 114 of them in North Dakota. Nearest: Scranton (12 miles east, up to 4"); Rhame (20 miles northwest, up to 1.5"); Reeder (22 miles east, up to 0").
These maps are stills. In the app this date is one of 10 Bowman 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
2 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.
Wind reports
2 reports Wind gust 69 mph
3 WSW Buffalo Springs Bowman County
“Bowman Regional Airport AWOS measures 69 MPH gust. (BIS)”
— 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 Griffin and Buffalo Springs — beyond Bowman itself.
High damage potential
What 1.5" hail means for Bowman 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
Bowman hail history
Other storms in Bowman.
10 recorded storm days in Bowman, ND
Estimated-size surface Storm date Bowman / ND
Aug 23, 2026
2.75" Estimated 2.75"
No ground reports filed Open report →
Estimated-size surface Storm date Bowman / ND
Aug 17, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Bowman / ND
Aug 11, 2026
3" Estimated 3"
No ground reports filed Open report →
Estimated-size surface Storm date Bowman / ND
Aug 10, 2026
1.5" Estimated 1.5"
1 ground report Open report →
Estimated-size surface Storm date Bowman / ND
Jul 6, 2026
2.25" Signatures 2.25" Estimated 0.75"
1 ground report Open report →
Estimated-size surface Storm date Bowman / ND
Jul 5, 2026
1.75" Signatures 1.75" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Bowman / ND
Jul 2, 2026
1.5" Signatures 1.5" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Bowman / ND
Jun 7, 2026
1.25" Signatures 1.25" Estimated 0.75"
2 ground reports Open report →
Estimated-size surface Storm date Bowman / ND
Jun 2, 2026
1" Signatures 1" 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 Aug 24, 2026.