Hail and Damaging Wind in Wyoming, July 28, 2023

Name: Hail and Damaging Wind in Wyoming, July 28, 2023
Start: 2023-07-28T13:20
End: 2023-07-28T13:41
Location: Wyoming

July 28, 2023 · NWS CYS · 12 events in 1 county or zone

Strong thunderstorm developed across southeast Wyoming in the afternoon on the 28th including a severe thunderstorm that developed over Cheyenne dropping quarter size hail.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 12

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CYS wrote it up.

Strong thunderstorm developed across southeast Wyoming in the afternoon on the 28th including a severe thunderstorm that developed over Cheyenne dropping quarter size hail.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before the first event at Jul 28, 10:25 AM MST, 2 hours 55 minutes earlier.

Area forecast discussion, Jul 28, 10:25 AM MST, 2 hours 55 minutes before

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Hazardous weather outlook, Jul 28, 3:22 AM MST, 9 hours 58 minutes before

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In the hours before

Special weather statement, Jul 28, 1:15 PM MST, 5 minutes before

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The radar

The Cheyenne radar (KCYS), 1 km away, was scanning. The volume nearest the first event began at 20:18 UTC.

Open the radar archive at this moment

Event by event

11 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Laramie

When: July 28, 1:20 PM MST
Where: Laramie County, 1.25 mi ESE of (Cys)cheyenne Airport
Measured: 1.5 in hail
Reported by: Public
Coordinates: 41.150, -104.790

Received report with photo via Facebook.

Hail, Laramie

When: July 28, 1:20 PM MST
Where: Laramie County, 0.69 mi S of (Cys)cheyenne Airport
Measured: 1 in hail
Reported by: Public
Coordinates: 41.150, -104.810

Received report from mPING.

Hail, Laramie

When: July 28, 1:22 PM MST
Where: Laramie County, 0.69 mi S of (Cys)cheyenne Airport
Measured: 1 in hail
Reported by: NWS Employee
Coordinates: 41.150, -104.810

Dime to quarter size hail at NWS office.

Hail, Laramie

When: July 28, 1:22 PM MST
Where: Laramie County, 1.71 mi WNW of Cheyenne
Measured: 1 in hail
Reported by: Public
Coordinates: 41.150, -104.850

Hail, Laramie

When: July 28, 1:23 PM MST
Where: Laramie County, 0.69 mi S of (Cys)cheyenne Airport
Measured: 1.5 in hail
Reported by: Public
Coordinates: 41.150, -104.810

Received report from mPING.

Hail, Laramie

When: July 28, 1:28 PM MST
Where: Laramie County, 1.56 mi E of (Cys)cheyenne Airport
Measured: 1 in hail
Reported by: Public
Coordinates: 41.160, -104.780

Hail, Laramie

When: July 28, 1:28 PM MST
Where: Laramie County, 0.69 mi N of Cheyenne
Measured: 1 in hail
Reported by: Public
Coordinates: 41.150, -104.820

Hail, Laramie

When: July 28, 1:29 PM MST
Where: Laramie County, 3.64 mi W of Archer
Measured: 0.88 in hail
Reported by: Public
Coordinates: 41.150, -104.730

Hail, Laramie

When: July 28, 1:31 PM MST
Where: Laramie County, 1.25 mi ESE of Cheyenne
Measured: 1 in hail
Reported by: Public
Coordinates: 41.130, -104.800

Thunderstorm Wind, Laramie

When: July 28, 1:35 PM MST
Where: Laramie County, 1.81 mi E of Cheyenne
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 41.140, -104.785

Roof damage to an apartment complex where a portion of the roof was blown off the structure.

Hail, Laramie

When: July 28, 1:37 PM MST
Where: Laramie County, 1.48 mi SSW of Cheyenne
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 41.120, -104.830

Hail, Laramie

When: July 28, 1:41 PM MST
Where: Laramie County, 1.71 mi ESE of Cheyenne
Measured: 1 in hail
Reported by: Public
Coordinates: 41.130, -104.790

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2023 Every state in 2023 This day in weather history Warnings in Wyoming, July 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1105227, 1105228, 1105229, 1105230, 1105231, 1105232, 1105233, 1105234, 1105235, 1105238, 1105236, 1105237.