Storm · Denver metro

The hail of Jun 21, 2023

Hail of 1″ and up crossed 67,027 roofs in Denver metro on Jun 21, 2023. Of the 23,236 in offices whose permits we read, 1,835 have a roofing permit since and 21,401 have none, counted through Jun 20, 2024.

The hail

Bands
1″ and up: 67,027 roofs · 1.5″ and up: 10,557 roofs · 2″ and up: 312 roofs
Confirmed
Jul 24, 2023, when its roofing permits passed the share that storms with no real damage reach.

Where it fell

Shaded bands: where the hail fell, darker for bigger stones. Drawn from the map of Nov 2, 2026.

Permit pace

Against storms its size at the same age: 1.3×

The most roofs permitted in one week: 94, in week 9.

Roofs permitted each week since the storm
WeekRoofs permitted
15
29
315
423
547
655
782
876
994
1083
1142
1243
1370
1486
1567
1676
1763
1851
1962
2050
2147
2238
2327
2439
2524
2614
2714
2822
2920
3016
3130
3217
3319
3416
3517
369
3722
3821
3913
4023
4114
4226
4319
4424
4525
4631
4715
4820
4917
5024
5127
5230
5316

What was read

Offices
Adams County, Aurora, Boulder County (unincorporated), Douglas County (unincorporated), Lakewood, Thornton
Counties
Adams, Arapahoe, Boulder, Douglas, Jefferson
Window
Permits issued from Jun 21, 2023 through Jun 20, 2024. The storm has had its year, so these counts no longer change.
Left out
43,791 roofs under the hail sit where we do not read a permit on file, so they are in no count but the first.
Source
Read from the cities' own permit records. No owner, address or roofing firm is shown here.

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