Old Man Winter Returned Briefly to the Cowboy State on Sunday

A vigorous, cold storm system swept through the Cowboy state Saturday night and Sunday.  This system produced widespread precipitation across the region.  There was plenty of cold air for significant snowfall across the northwest and northern mountains including Yellowstone National Park.  Snowfall totals generally ranged between 5 and 10 inches.  There was even enough cold air for the lower elevations of the Big Horn Basin to receive snow.  Snow was recorded in Greybull and Worland, but the bulk of the snow in the Big Horn Basin fell in the Cody Foothills and extreme northern Big Horn County where one to three inches fell.  Snow accumulations in the lower elevations were mainly on the grassy areas.  Trace amounts of snow were also recorded in Buffalo, Riverton, and Lander.

Daytime temperatures were extremely cold for this time of year especially east of the Divide.  Daytime highs on Sunday were generally 30 to 35 degrees below average east of the Divide, and about 10 to 20 degrees below average west of the Divide.  Normal highs for early June are generally in the 70s.

Here is a listing of daytime highs on Sunday between 6 a.m. and 6 p.m., and preliminary snowfall totals across the area.

    Location                                     Snowfall Totals                  Daytime Highs

Big Horn County...
    Bone Springs SNOTEL               10.0 inches
    Shell Creek SNOTEL                     7.0 inches
    Greybull Airport                                Trace                         (GEY)  43 Degrees

Fremont County...
    South Pass SNOTEL                    3.0 inches
    Hobbs Park SNOTEL                    2.0 inches
    Beaver Rim                                     0.5 inches
    Riverton Airport                                Trace                         (RIW)  45 Degrees
    Lander Airport                                  Trace                         (LND)  42 Degrees

Hot Springs County...
    Owl Creek SNOTEL                       7.0 inches

Johnson County....
    Cloud Peak Reservoir SNOTEL  4.0 inches
    Hansen Sawmill SNOTEL            4.0 inches
    Buffalo Airport                                  Trace                          (BYG)  41 Degrees

Natrona County...
    Casper Airport                                 None                          (CPR)  49 Degrees
    Casper Mountain                            0.3 inches

Park County...
    Kirwin SNOTEL                              11.0 inches
    Beartooth Lake SNOTEL                9.0 inches
    Blackwater SNOTEL                        9.0 inches
    Crandall Creek                                 6.5 inches
    Evening Star SNOTEL                     6.0 inches
    Wolverine SNOTEL                          5.0 inches
    Powell 11.8 W                                   3.1 inches
    Cody                                                  2 - 3 inches
    Meeteetse                                          2.0 inches

Sublette County...
    Gunsight SNOTEL                         5.0 inches
    Big Piney Airport                             None                          (BPI)  56 Degrees
    Pinedale Airport                              None                          (PNA) 54 Degrees

Sweetwater County...
    Rock Springs Airport                      None                           (RKS)  59 Degrees

Teton County...
    Grand Targhee SNOTEL               3.0 inches             
    Jackson Airport                                None                           (JAC)  54 Degrees

Washakie County...
    Worland Airport                                Trace                          (WRL)  45 Degrees

Yellowstone National Park...
    Two Ocean Plateau SNOTEL         9.0 inches
    Sylvan Road SNOTEL                    6.0 inches
    Lewis Lake Divide SNOTEL         5.0 inches
    Thumb Divide SNOTEL                 4.0 inches
    East Entrance                                  3.0 inches
    Lake Yellowstone                           Missing                        (P60)  40 Degrees

SNOTEL...SNOpack TELemetry for mountain sites

 

 



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