Name: Hail in Wyoming, July 30, 2019
Start: 2019-07-30T16:05
End: 2019-07-30T16:13
Location: Wyoming

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: 2

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 UNR wrote it up.

A severe thunderstorm developed over Weston County and tracked east into South Dakota. The storm produced large hail in the Newcastle area.

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 Rapid City, SD wrote its last area forecast discussion before the first event at Jul 30, 1:04 PM MST, 3 hours 1 minute earlier.

Area forecast discussion, Jul 30, 1:04 PM MST, 3 hours 1 minute before

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Hazardous weather outlook, Jul 30, 3:31 AM MST, 12 hours 34 minutes before

Hazardous Weather Outlook
National Weather Service Rapid City SD
431 AM MDT Tue Jul 30 2019

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-311300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
431 AM MDT Tue Jul 30 2019 /531 AM CDT Tue Jul 30 2019/

This Hazardous Weather Outlook is for western South Dakota and
northeastern Wyoming.

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are expected today and
tonight. Some storms may be strong or severe. However, widespread
severe weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There will be daily chances for thunderstorms. A few strong storms
will be possible, but widespread severe weather is not expected
at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

In the hours before

Special weather statement, Jul 30, 2:52 PM MST, 1 hour 13 minutes before

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The radar

The Rapid City radar (KUDX), 120 km away, was scanning. The volume nearest the first event began at 23:07 UTC.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Weston

When: July 30, 4:05 PM MST
Where: Weston County, 5 mi WNW of Newcastle
Measured: 1.25 in hail
Reported by: Storm Chaser
Coordinates: 43.888, -104.293

Hail, Weston

When: July 30, 4:13 PM MST
Where: Weston County, 1 mi SE of Newcastle
Measured: 1 in hail
Reported by: Public
Coordinates: 43.850, -104.186

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Wyoming in 2019 Every state in 2019 This day in weather history Warnings in Wyoming, July 2019

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: 844695, 844696.