Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >
Overview
A record breaking winter storm hit eastern and southern
Wyoming. 13.6 inches inches of snow fell at the Casper
Airport on Wednesday, March 13th. This broke the daily
snowfall record of 5.8 inches set in 2002. This was
the 2nd snowiest day ever recorded for March, and was the
9th snowiest day ever for Casper with records dating back
to around 1940. Total snowfall for this storm at Casper was
14.7 inches which is the 22nd largest snow storm on record.
Sweetwater County was also hit hard with 5 to 10 inches of
snow. In addition to the snow, strong north winds created
whiteout conditions across Johnson, Natrona and eastern
Sweetwater counties. A plethora of highways and interstates
were closed across eastern Wyoming for over 24 hours.
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| Daily Snowfall Record for Casper | Conditions in Casper at 5 AM March 13th | Snow in Casper (Courtesy of Brian W.) |
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| Snowfall analysis of the blizzard (source: NOHRSC) |
Snowfall analysis from this winter storm zoomed into Wyoming (source: NOHRSC) |
Wind:
LOCATION SPEED TIME/DATE ELEVATION (FT.) ...BIG HORN COUNTY... 30 E GREYBULL 56 MPH 0758 PM 03/13 8898 GREYBULL AIRPORT 55 MPH 0612 PM 03/13 3935 5 ENE LOVELL 41 MPH 1200 PM 03/13 4055 ...FREMONT COUNTY... 13 NW LOST CABIN 64 MPH 0906 PM 03/13 6110 8 W SOUTH PASS CITY 43 MPH 0550 PM 03/13 8120 BOYSEN RESERVOIR 40 MPH 0830 PM 03/13 4710 ...HOT SPRINGS COUNTY... 10 S MEETEETSE 44 MPH 0942 PM 03/13 7127 ...JOHNSON COUNTY... BUFFALO AIRPORT 56 MPH 0919 PM 03/13 4970 12 N KAYCEE 52 MPH 0121 PM 03/13 5287 25 ESE BUFFALO 49 MPH 0510 PM 03/13 4657 5 ESE STORY 48 MPH 0717 PM 03/13 4673 7 NE BUFFALO 43 MPH 0616 PM 03/13 4370 7 SW BARNUM 42 MPH 1046 AM 03/13 6440 KAYCEE 41 MPH 0445 PM 03/13 4681 ...LINCOLN COUNTY... 13 W KEMMERER 40 MPH 1201 PM 03/13 6718 ...NATRONA COUNTY... 8 S CASPER 56 MPH 0252 PM 03/13 7740 20 N CASPER 48 MPH 0901 PM 03/13 5677 CASPER AIRPORT 47 MPH 1010 AM 03/13 5320 7 W ALCOVA 46 MPH 1110 AM 03/13 6342 NATRONA 45 MPH 1035 AM 03/13 5589 16 S HILAND 42 MPH 1010 AM 03/13 6380 ...PARK COUNTY... 8 N MEETEETSE 51 MPH 1111 AM 03/13 5926 ...SWEETWATER COUNTY... I 80 - MILE MARKER 184 52 MPH 1116 AM 03/13 7112 I 80 - MILE MARKER 157 43 MPH 0100 PM 03/13 6965 I 80 - MILE MARKER 142 41 MPH 1245 PM 03/13 7162 10 E WAMSUTTER 41 MPH 1100 AM 03/13 7062 15 SE ROCK SPRINGS 40 MPH 0944 AM 03/13 7550 ...WASHAKIE COUNTY... 10 SSE WORLAND 41 MPH 0417 PM 03/13 4520 WORLAND AIRPORT 41 MPH 0505 PM 03/13 4245
Snow
LOCATION SNOWFALL BIG HORN COUNTY... BALD MOUNTAIN SNOTEL... 8 INCHES. BONE SPRINGS DIVIDE SNOTEL... 5 INCHES. FREMONT COUNTY... HOBBS PARK SNOTEL... 10 INCHES. TOWNSEND CREEK SNOTEL... 10 INCHES. ATLANTIC CITY... 8 INCHES. 9.5 SW LANDER... 7 INCHES. DEER PARK SNOTEL... 7 INCHES. ST. LAWRENCE ALT SNOTEL... 7 INCHES. COLD SPRINGS SNOTEL... 6 INCHES. 6 SW LANDER... 5.3 INCHES. SOUTH PASS SNOTEL... 5 INCHES. JEFFREY CITY... 4 INCHES. 9 SSE LANDER... 3.8 INCHES. BOYSEN DAM... 2 INCHES. LANDER AIRPORT... 1.8 INCHES. 7 WNW LANDER... 1.6 INCHES. LANDER... 1 TO 1.5 INCHES. LITTLE WARM SNOTEL... 1 INCH. RIVERTON AIRPORT... 0.7 INCHES. HUDSON... 0.5 INCHES. RIVERTON... 0.3 INCHES. 2 W RIVERTON... 0.2 INCHES. BROOKS LAKE... 0.1 INCHES. HOT SPRINGS COUNTY... WIND RIVER CANYON... 2 INCHES. OWL CREEK SNOTEL... 1 INCH. JOHNSON COUNTY... LITTLE GOOSE SNOTEL... 17 INCHES. CLOUD PEAK RESERVOIR SNOTEL... 7 INCHES. 5 SE LINCH... 6 INCHES. SOLDIER PARK SNOTEL... 5 INCHES. HANSEN SAWMILL SNOTEL... 3 INCHES. 4 SSW BUFFALO... 2.5 INCHES. BEAR TRAP MEADOW SNOTEL... 2 INCHES. 17 E KAYCEE... 2 INCHES. BUFFALO... 2 INCHES. LINCOLN COUNTY... AFTON... 7.5 INCHES. WILLOW CREEK SNOTEL... 7 INCHES. 5 SSE SMOOT... 5 INCHES. SALT RIVER SUMMIT SNOTEL... 4 INCHES. COTTONWOOD CREEK SNOTEL... 4 INCHES. 2 SE THAYNE... 3.7 INCHES. DIAMONDVILLE... 3.5 INCHES. 3 SE BEDFORD... 3 INCHES. 3 S FONTENELLE DAM... 3 INCHES. FOSSIL BUTTE... 1.3 INCHES. COMMISSARY RIDGE... 1 INCH. INDIAN CREEK SNOTEL... 1 INCH. BLIND BULL SUMMIT... 1 INCH. KELLEY RANGER STATION SNOTEL... 1 INCH. BOX Y RANCH... 0.1 INCHES. 5 NNE THAYNE... 0.1 INCHES. STAR VALLEY RANCH... 0.1 INCHES. NATRONA COUNTY... CASPER MOUNTAIN SNOTEL... 26 INCHES. RENO HILL SNOTEL... 23 INCHES. 1 SW CASPER... 17 INCHES. 2 E EVANSVILLE... 15 INCHES. CASPER AIRPORT... 14.7 INCHES. 4 WSW CASPER... 13.1 INCHES. 5 SSW CASPER... 13 INCHES. CASPER... 9 TO 12 INCHES. 1 S CASPER... 11.5 INCHES. 10 WSW CASPER... 9.5 INCHES. GRAVE SPRINGS SNOTEL... 7 INCHES. MIDWEST... 7 INCHES. POWDER RIVER... 5.7 INCHES. PARK COUNTY... 3 NE SUNSHINE... 2.3 INCHES. BLACKWATER SNOTEL... 1 INCH. KIRWIN SNOTEL... 1 INCH. MEETEETSE... 1 INCH. MARQUETTE SNOTEL... 1 INCH. 11 SE CODY... 1 INCH. 26 SW CODY... 0.3 INCHES. CODY... 0.1 INCHES. SUBLETTE COUNTY... TRIPLE PEAK SNOTEL... 1 INCH. PINEDALE... 0.1 INCHES. SWEETWATER COUNTY... WAMSUTTER... 10 INCHES. 2 NNE FARSON... 8 INCHES. 7 SE ROCK SPRINGS... 7.7 INCHES. ROCK SPRINGS... 5 TO 7.5 INCHES. 4 NNW ROCK SPRINGS... 5.5 INCHES. GREEN RIVER... 4 TO 5 INCHES. BUCKBOARD MARINA... 2 INCHES. TETON COUNTY... GRAND TARGHEE - CHIEF JOSEPH... 7 INCHES. GRAND TARGHEE SNOTEL... 5 INCHES. DARWIN RANCH... 3 INCHES. GROS VENTRE SUMMIT SNOTEL... 3 INCHES. 6 NW MOOSE... 1 INCH. SNOW KING... 1 INCH. JACKSON HOLE - RENDEZVOUS BOWL... 1 INCH. JACKSON HOLE - RAYMER... 1 INCH. JACKSON HOLE - MID MOUNTAIN... 1 INCH. TOGWOTEE MOUNTAIN LODGE... 0.1 INCHES. MOOSE... 0.1 INCHES. WASHAKIE COUNTY... MIDDLE POWDER SNOTEL... 5 INCHES. 27 S TEN SLEEP... 1.5 INCHES. 16 SSE TEN SLEEP... 1.5 INCHES. POWDER RIVER PASS SNOTEL... 1 INCH.
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