710 
WUUS55 KRIW 200037
SVRRIW
WYC025-200100-
/O.NEW.KRIW.SV.W.0062.260920T0037Z-260920T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
637 PM MDT Sat Sep 19 2026

The National Weather Service in Riverton has issued a

* Severe Thunderstorm Warning for...
  Central Natrona County in central Wyoming...

* Until 700 PM MDT.

* At 637 PM MDT, a severe thunderstorm was located near Goldeneye
  Reservoir, which is 27 miles northwest of Casper, moving east at 20
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Goldeneye Reservoir around 640 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4295 10692 4309 10695 4314 10665 4290 10655
TIME...MOT...LOC 0037Z 269DEG 16KT 4302 10681 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rowe

069 
WWUS55 KRIW 200051
SVSRIW

Severe Weather Statement
National Weather Service Riverton WY
651 PM MDT Sat Sep 19 2026

WYC025-200100-
/O.CON.KRIW.SV.W.0062.000000T0000Z-260920T0100Z/
Natrona-
651 PM MDT Sat Sep 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR CENTRAL NATRONA COUNTY...

At 650 PM MDT, a severe thunderstorm was located over Goldeneye
Reservoir, which is 23 miles northwest of Casper, moving east at 20
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  Goldeneye Reservoir around 655 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4298 10684 4307 10688 4314 10665 4292 10656
TIME...MOT...LOC 0050Z 269DEG 16KT 4302 10673 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Rowe