The NOAA Storm Prediction Center logged no tornado reports, 5 hail reports and 10 damaging-wind reports for the storm day from 12:00 UTC on Aug 21, 2023 to 12:00 UTC the next morning — most of them in AZ, MT, WY.
None reported.
| UTC | Size | Place | County | State | Remarks |
|---|---|---|---|---|---|
| 22:01 | 1.00″ | 5 Ssw Tucson | Pima | AZ | (TWC) |
| 22:10 | 1.00″ | 2 E Tucson | Pima | AZ | 1 inch diameter hail. (TWC) |
| 22:11 | 1.50″ | 4 Wnw Tucson | Pima | AZ | Report from mPING: Ping Pong Ball (1.50 in.). (TWC) |
| 22:13 | 1.50″ | 4 Wnw Tucson | Pima | AZ | 1.50 inch hail at the NWS Tucson office. (TWC) |
| 22:14 | 1.50″ | 4 Sw Tucson | Pima | AZ | Ping Pong ball size hail. (TWC) |
| UTC | Gust | Place | County | State | Remarks |
|---|---|---|---|---|---|
| 20:53 | 66 mph | 3 W Evanston | Uinta | WY | ASOS station KEVW Evanston-Uinta Cnty Airport. (SLC) |
| 22:31 | 59 mph | 2 N Coyanosa | Pecos | TX | Measured by the Coyanosa West Texas Mesonet. (MAF) |
| 00:27 | 60 mph | 7 Se Sierra Vista | Cochise | AZ | 60 mph wind gusts for about 2 minutes. (TWC) |
| 00:50 | damage | 1 Ne Apache Junction | Pinal | AZ | Multiple large trees uprooted near the City Hall area in Apache Junction. (PSR) |
| 01:05 | 65 mph | 6 N Huachuca City | Cochise | AZ | Roof blown off metal machine shed in Whetstone. Time estimated from radar. (TWC) |
| 01:10 | 63 mph | 1 E Carlsbad | Eddy | NM | Observed by personal weather station. (MAF) |
| 01:33 | 59 mph | 12 Nw Patagonia | Santa Cruz | AZ | Mesonet station QHPA3 Hopkins. Time estimated from radar. (TWC) |
| 01:41 | damage | 3 N Santa Ana | Orange | CA | Large trees down and large branches along Santa Ana river and Riverview Golf Course. (SGX) |
| 03:07 | 58 mph | 12 Se Emigrant | Park | MT | (BYZ) |
| 04:20 | 59 mph | 3 Nw Billings | Yellowstone | MT | (BYZ) |
Original file: SPC report page for this day. Times are UTC; the storm day starts at 12:00 UTC (7 AM CDT).