WWUS85 KRIW 092140
SPSRIW

Special Weather Statement
National Weather Service Riverton WY
340 PM MDT Thu Jul 9 2026
 
WYZ019-020-092230-
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-
340 PM MDT Thu Jul 9 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL NATRONA COUNTY
THROUGH 430 PM MDT...

At 339 PM MDT, Doppler radar was tracking a strong thunderstorm near
Alcova, which is 30 miles southwest of Casper, moving east at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor hail damage to vegetation is 
         possible.

This strong thunderstorm will be near...
  Alcova around 345 PM MDT.

Other locations in the path of this storm include Bates Hole.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

If on or near Alcova Reservoir, get out of the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
10 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now! Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4243 10687 4262 10693 4269 10643 4254 10641
      4253 10643 4252 10642 4250 10643 4245 10640
      4243 10640
TIME...MOT...LOC 2139Z 265DEG 21KT 4254 10678 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

$$

Rowe