Storm · Denver metro

The hail of May 10, 2023

Hail of 1″ and up crossed 60,025 roofs in Denver metro on May 10, 2023. Of the 38,252 in offices whose permits we read, 8,795 have a roofing permit since and 29,457 have none, counted through May 9, 2024.

The hail

Bands
1″ and up: 60,025 roofs · 1.5″ and up: 9,847 roofs · 2″ and up: 109 roofs
Confirmed
Jun 9, 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: 4.7×

The most roofs permitted in one week: 395, in week 10.

Roofs permitted each week since the storm
WeekRoofs permitted
115
240
394
4191
5297
6351
7317
8246
9377
10395
11343
12331
13352
14290
15302
16287
17181
18277
19297
20267
21293
22205
23233
24219
25219
26183
27174
28130
2986
30103
31105
3285
3349
3452
3553
3650
3769
38120
3954
4060
4188
4275
4385
4472
4559
4658
47152
4885
4984
5083
5172
5279
5311

What was read

Offices
Adams County, Aurora, Castle Rock, Douglas County (unincorporated), Greenwood Village, Parker
Counties
Adams, Arapahoe, Douglas
Window
Permits issued from May 10, 2023 through May 9, 2024. The storm has had its year, so these counts no longer change.
Left out
21,773 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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