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Severe Thunderstorm Watch 0556
Issued by the Riverton Forecast Office

Action Issued Starts Expiration
New 2025-07-29 15:29:41 2025-07-29 15:28:00 2025-07-29 22:00:00
Continued 2025-07-29 19:15:02 2025-07-29 22:00:00
Cancelled 2025-07-29 19:15:02 2025-07-29 22:00:00
Continued 2025-07-29 20:01:33 2025-07-29 22:00:00
Cancelled 2025-07-29 20:01:33 2025-07-29 22:00:00
Continued 2025-07-29 20:43:34 2025-07-29 22:00:00
Cancelled 2025-07-29 20:43:34 2025-07-29 22:00:00
Expired 2025-07-29 21:36:06 2025-07-29 22:00:00


Action: New
Issued At: 2025-07-29 15:29:41

172 
WWUS65 KRIW 292028
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
228 PM MDT TUE JUL 29 2025

WYC003-013-017-019-025-029-043-300300-
/O.NEW.KRIW.SV.A.0556.250729T2028Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
556 IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 7 COUNTIES

IN CENTRAL WYOMING

FREMONT               HOT SPRINGS           NATRONA              

IN NORTH CENTRAL WYOMING

BIG HORN              JOHNSON               WASHAKIE             

IN NORTHWEST WYOMING

PARK                  

THIS INCLUDES THE CITIES OF BASIN, BUFFALO, CASPER, CODY, DUBOIS,
GREYBULL, KAYCEE, LANDER, LOVELL, POWELL, RIVERTON, SHELL, 
THERMOPOLIS, AND WORLAND.

$$


Action: Continued
Issued At: 2025-07-29 19:15:02

302 
WWUS65 KRIW 300014
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
614 PM MDT TUE JUL 29 2025

WYC029-300115-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 1 COUNTY

IN NORTHWEST WYOMING

PARK                  

THIS INCLUDES THE CITIES OF CODY AND POWELL.

$$

WYC003-013-017-019-025-043-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 6 COUNTIES

IN CENTRAL WYOMING

FREMONT               HOT SPRINGS           NATRONA              

IN NORTH CENTRAL WYOMING

BIG HORN              JOHNSON               WASHAKIE             

THIS INCLUDES THE CITIES OF BASIN, BUFFALO, CASPER, DUBOIS, 
GREYBULL, KAYCEE, LANDER, LOVELL, RIVERTON, SHELL, THERMOPOLIS, 
AND WORLAND.

$$


Action: Cancelled
Issued At: 2025-07-29 19:15:02

302 
WWUS65 KRIW 300014
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
614 PM MDT TUE JUL 29 2025

WYC029-300115-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 1 COUNTY

IN NORTHWEST WYOMING

PARK                  

THIS INCLUDES THE CITIES OF CODY AND POWELL.

$$

WYC003-013-017-019-025-043-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 6 COUNTIES

IN CENTRAL WYOMING

FREMONT               HOT SPRINGS           NATRONA              

IN NORTH CENTRAL WYOMING

BIG HORN              JOHNSON               WASHAKIE             

THIS INCLUDES THE CITIES OF BASIN, BUFFALO, CASPER, DUBOIS, 
GREYBULL, KAYCEE, LANDER, LOVELL, RIVERTON, SHELL, THERMOPOLIS, 
AND WORLAND.

$$


Action: Continued
Issued At: 2025-07-29 20:01:33

662 
WWUS65 KRIW 300101
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
701 PM MDT TUE JUL 29 2025

WYC003-017-043-300215-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 3 COUNTIES

IN CENTRAL WYOMING

HOT SPRINGS           

IN NORTH CENTRAL WYOMING

BIG HORN              WASHAKIE              

THIS INCLUDES THE CITIES OF BASIN, GREYBULL, LOVELL, SHELL, 
THERMOPOLIS, AND WORLAND.

$$

WYC013-019-025-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 3 COUNTIES

IN CENTRAL WYOMING

FREMONT               NATRONA               

IN NORTH CENTRAL WYOMING

JOHNSON               

THIS INCLUDES THE CITIES OF BUFFALO, CASPER, DUBOIS, KAYCEE, 
LANDER, AND RIVERTON.

$$


Action: Cancelled
Issued At: 2025-07-29 20:01:33

662 
WWUS65 KRIW 300101
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
701 PM MDT TUE JUL 29 2025

WYC003-017-043-300215-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 3 COUNTIES

IN CENTRAL WYOMING

HOT SPRINGS           

IN NORTH CENTRAL WYOMING

BIG HORN              WASHAKIE              

THIS INCLUDES THE CITIES OF BASIN, GREYBULL, LOVELL, SHELL, 
THERMOPOLIS, AND WORLAND.

$$

WYC013-019-025-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 3 COUNTIES

IN CENTRAL WYOMING

FREMONT               NATRONA               

IN NORTH CENTRAL WYOMING

JOHNSON               

THIS INCLUDES THE CITIES OF BUFFALO, CASPER, DUBOIS, KAYCEE, 
LANDER, AND RIVERTON.

$$


Action: Continued
Issued At: 2025-07-29 20:43:34

848 
WWUS65 KRIW 300143
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
743 PM MDT TUE JUL 29 2025

WYC013-300245-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 1 COUNTY

IN CENTRAL WYOMING

FREMONT               

THIS INCLUDES THE CITIES OF DUBOIS, LANDER, AND RIVERTON.

$$

WYC019-025-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 2 COUNTIES

IN CENTRAL WYOMING

NATRONA               

IN NORTH CENTRAL WYOMING

JOHNSON               

THIS INCLUDES THE CITIES OF BUFFALO, CASPER, AND KAYCEE.

$$


Action: Cancelled
Issued At: 2025-07-29 20:43:34

848 
WWUS65 KRIW 300143
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
743 PM MDT TUE JUL 29 2025

WYC013-300245-
/O.CAN.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 556 FOR THE FOLLOWING AREAS

IN WYOMING THIS CANCELS 1 COUNTY

IN CENTRAL WYOMING

FREMONT               

THIS INCLUDES THE CITIES OF DUBOIS, LANDER, AND RIVERTON.

$$

WYC019-025-300300-
/O.CON.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

SEVERE THUNDERSTORM WATCH 556 REMAINS VALID UNTIL 9 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS WATCH INCLUDES 2 COUNTIES

IN CENTRAL WYOMING

NATRONA               

IN NORTH CENTRAL WYOMING

JOHNSON               

THIS INCLUDES THE CITIES OF BUFFALO, CASPER, AND KAYCEE.

$$


Action: Expired
Issued At: 2025-07-29 21:36:06

334 
WWUS65 KRIW 300235
WCNRIW

WATCH COUNTY NOTIFICATION FOR WATCH 556
NATIONAL WEATHER SERVICE RIVERTON WY
835 PM MDT TUE JUL 29 2025

WYC019-025-300345-
/O.EXP.KRIW.SV.A.0556.000000T0000Z-250730T0300Z/

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH
556 TO EXPIRE AT 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS

IN WYOMING THIS ALLOWS TO EXPIRE 2 COUNTIES

IN CENTRAL WYOMING

NATRONA               

IN NORTH CENTRAL WYOMING

JOHNSON               

THIS INCLUDES THE CITIES OF BUFFALO, CASPER, AND KAYCEE.

$$



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