Wyoming, 2014

Cold in Wyoming, November 11 to 14, 2014

November 11 to 14, 2014 · NWS RIW · 9 events in 9 counties and zones

Unseasonably warm air over Wyoming during the first nine days of November was quickly ushered out of the state on November 10. An air mass with origins in Siberia plunged south across western and central Wyoming and ushered in record cold temperatures.

Where it happened

Every event with a place to put it; 9 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
9

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS RIW wrote it up.

Unseasonably warm air over Wyoming during the first nine days of November was quickly ushered out of the state on November 10. An air mass with origins in Siberia plunged south across western and central Wyoming and ushered in record cold temperatures. Casper set an all-time November record low temperature of 27 below zero on Wednesday, November 12. This reading also shattered the old monthly record by 6 degrees. Low temperatures of 10 below to around 25 below zero were common across the area. Many locations not only set record low temperatures but also daily records for the lowest maximum temperature.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before the first event at Nov 10, 11:22 PM MST, 38 minutes earlier.

Area forecast discussion, Nov 10, 11:22 PM MST, 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
1122 PM MST MON NOV 10 2014

.SHORT TERM...TONIGHT THROUGH TUESDAY

WILL LET THE WINTER WEATHER ADVISORY RIDE THROUGH 5 AM MST
TUESDAY MORNING. WITH THE ARCTIC COLD FRONT MOVING INTO THE NORTH
THIS EVENING AND SPREADING SOUTH...THERE WILL BE A SURGE OF WIND
WITH VISIBILITY DROPPING RAPIDLY.   COLD SNOWY ARCTIC AIR WITH
BRISK NORTHEAST WINDS WILL BE OVER THE AREA THROUGH TUESDAY.  WITH
THE ARCTIC AIR MASS LACKING MOISTURE...ADDITIONAL SNOW
ACCUMULATION WILL BE LIGHT.  POOR TRAVEL CONDITIONS ARE ANTICIPATED.

.LONG TERM...TUESDAY NIGHT THROUGH MONDAY

BEGINNING OF FCST...POST FRONTAL WITH RESPECT TO THE SECOND AND
COLDER FRONT/AIRMASS. ARCTIC DEEP FREEZE IN PLACE. LIGHT SNOW AROUND
THE REGION E OF THE DIVIDE ENDING WITH CLEARING SKIES. VERY COLD
AIRMASS WILL RADIATE OUT WHAT LITTLE HEAT THERE WAS OVERNIGHT...WITH
LOW TEMPS DROPPING WELL BELOW ZERO FOR MUCH OF THE FA AND A WIND
CHILL FCST RANGING FROM -25 TO -35 ACROSS THE SAME AREA. A WIND
CHILL WATCH HAS BEEN ISSUED FOR MOST OF THE FA EXCEPT FOR THE SW
STARTING AT 8 PM LOCAL TUE NIGHT AND LASTING UNTIL 8 AM LOCAL WED
MORNING. THIS ALL CORRESPONDS TO AN ARCTIC SFC HIGH OF 1040 TO
1045MB AND H7 TEMPS AROUND -25 DEG C PLUS/MINUS.

HIGH TEMPS ON WEDNESDAY WILL ONLY REACH SINGLE DIGITS EAST OF THE
DIVIDE...WITH THURSDAY MORNING LOWS SIMILAR TO THOSE OF THE PREVIOUS
MORNING BUT HOPEFULLY LIGHTER WINDS. SMALL HEIGHT RISES ALOFT AND
SUNSHINE DURING THE DAY WILL WARM SFC TEMPS AT LEAST INTO THE TEENS
AND LOWER 20S ON THU. AT THE SAME TIME...THE STORM TRACK CHANGES AT
THIS POINT...AS THE INFLUENCE FROM THE HUDSON BAY/FOLLOWED BY
CANADIAN ARCTIC LOW MOVES A BIT OFF TO THE NORTHEAST...ALLOWING SOME
MODEST HIGH RISES ALOFT AND SURFACE WARMING TO TAKE PLACE.
OTHERWISE...A MORE PACIFIC SET-UP BEGINS...WITH SIGNIFICANT MOISTURE
HEADED TOWARDS THE FA...AT LEAST TOWARDS THE SRN AND WRN PORTIONS OF
THE CWA WHERE TERRAIN FORCED PRECIP/SNOW WILL INCREASE OUT SOUTHWEST
LATE IN THE DAY OR DURING THE EVENING THURSDAY...CONTINUING UNTIL A
COUPLE OF SWIFT MOVING SHORTWAVE/JET STREAKS...ONE FROM THE EPAC AND
THE OTHER AROUND THE PESKY NORTH CANADIAN LOW...EFFECTIVELY
COMBINING TO GIVE 100 TO 130 KT FLOW BETWEEN 300 AND 200 MB BY
FRIDAY NIGHT. LEE SIDE TROUGHING ON THURSDAY/FRIDAY WILL ALSO HELP
FOCUS CYCLOGENESIS/FRONTOGENESIS BEFORE GIVING WAY TO ANOTHER COLD
CANADIAN FRONT ASSOCIATED WITH THE MORE NRN BRANCH OF THE JET...THAT
THE LR MDLS ARE BUSTING THRU THE AREA FRIDAY NIGHT...DEVELOPING AND
EXPANDING SNOWFALL CHANCES FROM WEST OF THE DIVIDE TO EAST OF THE
DIVIDE ON SATURDAY. OTHER THAN THE WRN/NWRN MOUNTAINS AND SWEETWATER
COUNTY...WHICH COULD REACH ADVISORY TO LOCALIZED WARNING CONDITIONS
BETWEEN THURSDAY NIGHT AND SAT MORNING...IT LOOKS LIKE THE REST OF
THE CWA WILL RECEIVE GENERALLY ANOTHER 1 TO 3 INCHES OF SNOWFALL.
THE STAR/JACKSON VALLEY AREA LOOKS LIKE THEY COULD GET 3 TO 6 INCHES
OF SNOW...WHILE THE SWEETWATER COUNTY COULD RECEIVE 2 TO 4 INCHES
MAINLY ON SATURDAY. THE SURROUNDING WESTERN AND NORTHERN MOUNTAINS
COULD SEE AS MUCH AS 6 TO 12 INCHES. SUNDAY AND MONDAY DEFINITELY
LOOK DRIER AND SOMEWHAT WARMER AT THIS POINT WITH THE NEXT SYSTEM
POISED TO INFLUENCE THE REGION MONDAY NIGHT INTO
TUE.

&&

.AVIATION.../06Z ISSUANCE/

WEST OF THE DIVIDE KBPI/KJAC/KPNA/KRKS ROUTES

WIDESPREAD MVFR/VFR CONDITIONS WILL CONTINUE OVERNIGHT INTO TUESDAY
MORNING BUT WILL GRADUALLY IMPROVE FROM NORTHWEST TO SOUTHEAST
DURING THE DAY TUESDAY. THE WORST CONDITIONS AT KJAC TERMINAL WILL
BE THROUGH 15Z...WITH VFR A DECENT BET BY 18Z. HOWEVER...MVFR/IFR
CONDITIONS WILL CONTINUE AT TIMES IN THE AFTERNOON FARTHER
SOUTH...INCLUDING KBPI...KPNA AND KRKS TERMINAL. ALSO WINDY
NORTHEAST TO EAST WINDS WILL OCCUR ACROSS SWEETWATER
COUNTY...CAUSING SOME BLOWING SNOW RESTRICTIONS AT TIMES TUESDAY
AFTERNOON AND EVENING ESPECIALLY AT KRKS. MAINLY VFR CONDITIONS ARE
EXPECTED AFTER 00Z WEDNESDAY...WITH THE POSSIBILITY OF SOME
STRATOCU/FOG DEVELOPING. HOWEVER CONFIDENCE IS NOT HIGH ENOUGH TO
INSERT LOW CEILINGS OR FOG AT AN AREA TERMINALS TONIGHT FOR NOW.

EAST OF THE DIVIDE...KCPR/KCOD/KLND/KRIW/KWRL ROUTES

WIDESPREAD MVFR CEILINGS WITH IFR/MVFR VSBYS IN SNOW ACROSS THE
ENTIRE AREA THROUGH 18Z TUESDAY. CONDITIONS WILL SLOWLY IMPROVE FROM
NORTH TO SOUTH IN THE AFTERNOON...WITH MOST AREAS IMPROVING TO VFR
CONDITIONS BY 00Z WEDNESDAY. IN WAKE OF AN ARCTIC COLD FRONT...A
BREEZY TO WINDY NORTHERLY WINDS WILL OCCUR...BUT WILL BEGIN TO
WEAKEN IN MOST AREAS BETWEEN 00Z AND 06Z WEDNESDAY. SKIES SHOULD
BEGIN TO CLEAR DURING THE EVENING...WITH SOME FOG OR STRATOCU
DEVELOPING DURING THE NIGHT BUT WIDESPREAD FOG OR STRATUS IS NOT
EXPECTED AT THIS TIME. THUS WILL NOT INSERT LOW CEILINGS OR FOG IN
AREA TAFS FOR TUESDAY NIGHT...BUT IT IS SOMETHING TO WATCH.

&&

.FIRE WEATHER...

COLD SNOWY ARCTIC AIR WITH BRISK NORTHEAST WINDS WILL BE OVER THE
AREA THROUGH TUESDAY NIGHT. WITH THE VERY COLD STABLE AIR...MIXING
HEIGHTS WILL BE VERY LOW WITH POOR SMOKE DISPERSAL. WITH THE
ARCTIC AIR MASS LACKING MOISTURE...ADDITIONAL SNOW ACCUMULATION
WILL BE LIGHT.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 5 AM MST TUESDAY
WYZ002>011-014>020-022.

WIND CHILL WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING
WYZ001>020-022-026.

&&

SHORT TERM...C.BAKER
LONG TERM...BRAUN
AVIATION...WM
FIRE WEATHER...C.BAKER
Hazardous weather outlook, Nov 10, 3:14 PM MST, 8 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
314 PM MST MON NOV 10 2014

WYZ001>020-022>030-111200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
314 PM MST MON NOV 10 2014

...WINTER WEATHER ADVISORY IN EFFECT FOR THE REMAINDER OF THE AREA
EAST OF THE DIVIDE TODAY THROUGH TUESDAY MORNING...

...WIND CHILL WATCH FOR MOST OF THE REGION NORTH OF THE I 80
CORRIDOR TUESDAY EVENING THROUGH WEDNESDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

SNOW IS LIKELY TODAY FOR MUCH OF THE AREA. COMMUTERS ACROSS NORTH AND
CENTRAL WYOMING WILL LIKELY ENCOUNTER SLICK...ICY ROADS AND LIMITED
VISIBILITY IN BLOWING SNOW MONDAY MORNING.  PLEASE SEE FORECASTS AND
WINTER WEATHER ADVISORY PRODUCT FOR DETAILS. BITTERLY COLD
TEMPERATURES WILL OCCUR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

BITTERLY COLD TEMPERATURES WILL OCCUR EAST OF THE DIVIDE FROM MONDAY
NIGHT THROUGH THURSDAY MORNING...WITH WIND CHILL VALUES OF MINUS 30
TO MINUS 35 DEGREES POSSIBLE TUESDAY NIGHT THROUGH WEDNESDAY
MORNING.

LIGHT SNOW IS LIKELY ON TUESDAY.

CHANCES FOR SNOWFALL WILL INCREASE ACROSS THE WESTERN MOUNTAINS AND
IN THE SOUTHWEST ON THURSDAY AND FRIDAY. ANOTHER COLD FRONT MOVES
THROUGH NORTHERN AND CENTRAL WYOMING ON SATURDAY BRINGING COLDER
TEMPERATURES. SOME LIGHT SNOW IS TO OCCUR EAST OF THE DIVIDE FRIDAY
NIGHT THROUGH SATURDAY EVENING AS A RESULT OF THIS FRONTAL PASSAGE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE URGED TO REPORT STRONG WIND GUSTS. THANK YOU.

TEAM RIVERTON

In the hours before

Local storm report, Nov 10, 8:06 PM MST, 3 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
0906 PM MDT MON NOV 10 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1156 AM     SNOW             16 SSE TEN SLEEP        43.81N 107.36W
11/10/2014  M4.00 INCHES     WASHAKIE           WY   CO-OP OBSERVER

1204 PM     SNOW             BURRIS                  43.36N 109.27W
11/10/2014  M1.00 INCHES     FREMONT            WY   CO-OP OBSERVER

1206 PM     SNOW             6 NNW DANIEL            42.93N 110.13W
11/10/2014  M1.00 INCHES     SUBLETTE           WY   PARK/FOREST SRVC

1208 PM     SNOW             DUBOIS                  43.53N 109.65W
11/10/2014  M3.00 INCHES     FREMONT            WY   CO-OP OBSERVER

1212 PM     SNOW             CASPER                  42.85N 106.28W
11/10/2014  M3.50 INCHES     NATRONA            WY   CO-OP OBSERVER

1224 PM     SNOW             HUDSON                  42.90N 108.58W
11/10/2014  M0.50 INCHES     FREMONT            WY   POST OFFICE

1225 PM     HEAVY SNOW       3 NE SUNSHINE           44.07N 108.95W
11/10/2014  M6.00 INCHES     PARK               WY   CO-OP OBSERVER

1228 PM     SNOW             SHELL                   44.54N 107.76W
11/10/2014  M2.00 INCHES     BIG HORN           WY   CO-OP OBSERVER

1235 PM     SNOW             POWDER RIVER            43.03N 106.98W
11/10/2014  M3.00 INCHES     NATRONA            WY   CO-OP OBSERVER

1235 PM     SNOW             RIVERTON AIRPORT        43.06N 108.47W
11/10/2014  M1.50 INCHES     FREMONT            WY   NWS EMPLOYEE

1236 PM     SNOW             PAHASKA                 44.50N 109.96W
11/10/2014  M1.00 INCHES     PARK               WY   CO-OP OBSERVER

1236 PM     SNOW             MIDWEST                 43.41N 106.27W
11/10/2014  M1.00 INCHES     NATRONA            WY   CO-OP OBSERVER

1237 PM     SNOW             LUCERNE                 43.73N 108.17W
11/10/2014  M3.50 INCHES     HOT SPRINGS        WY   PUBLIC

1243 PM     SNOW             JACKSON                 43.48N 110.75W
11/10/2014  M1.50 INCHES     TETON              WY   CO-OP OBSERVER

1243 PM     SNOW             20 NW THERMOPOLIS       43.77N 108.57W
11/10/2014  M1.00 INCHES     HOT SPRINGS        WY   CO-OP OBSERVER

1252 PM     SNOW             2 WSW CODY              44.51N 109.09W
11/10/2014  M1.00 INCHES     PARK               WY   COCORAHS

1253 PM     SNOW             5 ESE CODY              44.49N 108.95W
11/10/2014  M2.50 INCHES     PARK               WY   COCORAHS

1253 PM     SNOW             2 SSW LOVELL            44.80N 108.41W
11/10/2014  M2.00 INCHES     BIG HORN           WY   COCORAHS

1254 PM     SNOW             PINEDALE                42.87N 109.86W
11/10/2014  M1.00 INCHES     SUBLETTE           WY   COCORAHS

1255 PM     SNOW             CASPER                  42.83N 106.34W
11/10/2014  M1.50 INCHES     NATRONA            WY   COCORAHS

1255 PM     SNOW             5 NNE THAYNE            42.99N 110.96W
11/10/2014  M1.00 INCHES     LINCOLN            WY   PUBLIC

1256 PM     SNOW             4 SW CASPER             42.79N 106.39W
11/10/2014  M2.00 INCHES     NATRONA            WY   COCORAHS

1257 PM     SNOW             MOOSE                   43.65N 110.71W
11/10/2014  M3.00 INCHES     TETON              WY   COCORAHS

1258 PM     SNOW             5 SSW CASPER            42.76N 106.35W
11/10/2014  M2.00 INCHES     NATRONA            WY   TRAINED SPOTTER

0101 PM     SNOW             1 SW LANDER             42.81N 108.74W
11/10/2014  M3.00 INCHES     FREMONT            WY   COCORAHS

0101 PM     SNOW             CASPER                  42.81N 106.34W
11/10/2014  M3.00 INCHES     NATRONA            WY   COCORAHS

0102 PM     SNOW             8 SW WORLAND            43.91N 108.05W
11/10/2014  M3.00 INCHES     WASHAKIE           WY   COCORAHS

0103 PM     SNOW             4 WSW CASPER            42.82N 106.39W
11/10/2014  M2.50 INCHES     NATRONA            WY   COCORAHS

0103 PM     SNOW             BUFFALO                 44.34N 106.71W
11/10/2014  M2.00 INCHES     JOHNSON            WY   COCORAHS

0104 PM     SNOW             12 NE JACKSON           43.62N 110.62W
11/10/2014  M4.00 INCHES     TETON              WY   COCORAHS

0105 PM     SNOW             5 NNW TEN SLEEP         44.10N 107.45W
11/10/2014  M4.60 INCHES     WASHAKIE           WY   COCORAHS

0106 PM     SNOW             WINCHESTER              43.85N 108.16W
11/10/2014  M5.00 INCHES     WASHAKIE           WY   COCORAHS

0106 PM     SNOW             4 SSW BUFFALO           44.28N 106.73W
11/10/2014  M2.50 INCHES     JOHNSON            WY   COCORAHS

0107 PM     HEAVY SNOW       17 NNW KAYCEE           43.93N 106.75W
11/10/2014  M8.00 INCHES     JOHNSON            WY   COCORAHS

0118 PM     SNOW             8 S CASPER              42.73N 106.32W
11/10/2014  E2.00 INCHES     NATRONA            WY   MESONET

            CASPER MOUNTAIN SNOTEL

0120 PM     HEAVY SNOW       24 SW BUFFALO           44.16N 107.13W
11/10/2014  E7.00 INCHES     WASHAKIE           WY   MESONET

            POWDER RIVER PASS SNOTEL

0121 PM     SNOW             14 WNW MAYOWORTH        43.89N 107.06W
11/10/2014  E3.00 INCHES     JOHNSON            WY   MESONET

            BEAR TRAP MEADOW SNOTEL

0122 PM     SNOW             40 W THERMOPOLIS        43.66N 109.01W
11/10/2014  E4.00 INCHES     HOT SPRINGS        WY   MESONET

            OWL CREEK SNOTEL

0125 PM     SNOW             1 WSW CANYON            44.72N 110.51W
11/10/2014  E3.00 INCHES     YELLOWSTONE        WY   MESONET

            CANYON SNOTEL

0127 PM     HEAVY SNOW       25 NE MORAN JUNCTION    44.15N 110.22W
11/10/2014  E8.00 INCHES     YELLOWSTONE        WY   MESONET

            TWO OCEAN PLATEAU SNOTEL

0129 PM     SNOW             6 WSW DUBOIS            43.50N 109.75W
11/10/2014  E5.00 INCHES     FREMONT            WY   MESONET

            LITTLE WARM SNOTEL

0136 PM     HEAVY SNOW       18 W LANDER             42.87N 109.09W
11/10/2014  E6.00 INCHES     FREMONT            WY   MESONET

            HOBBS PARK SNOTEL

0137 PM     SNOW             12 SW LANDER            42.70N 108.90W
11/10/2014  E4.00 INCHES     FREMONT            WY   MESONET

            TOWNSEND CREEK SNOTEL

0137 PM     SNOW             7 NW ATLANTIC CITY      42.57N 108.84W
11/10/2014  E2.00 INCHES     FREMONT            WY   MESONET

            SOUTH PASS SNOTEL

0139 PM     SNOW             24 ESE BOULDER          42.65N 109.26W
11/10/2014  E4.00 INCHES     SUBLETTE           WY   MESONET

            BIG SANDY OPENING SNOTEL

0140 PM     SNOW             19 SW BONDURANT         42.96N 110.61W
11/10/2014  E4.00 INCHES     LINCOLN            WY   MESONET

            BLIND BULL SUMMIT SNOTEL

0142 PM     HEAVY SNOW       19 SE AFTON             42.53N 110.66W
11/10/2014  E6.00 INCHES     LINCOLN            WY   MESONET

            SPRING CREEK DIVIDE SNOTEL

0145 PM     HEAVY SNOW       14 WSW BUFFALO          44.26N 106.98W
11/10/2014  E6.00 INCHES     JOHNSON            WY   MESONET

            HANSEN SAWMILL SNOTEL

0146 PM     HEAVY SNOW       17 W BUFFALO            44.40N 107.06W
11/10/2014  E11.00 INCHES    JOHNSON            WY   MESONET

            CLOUD PEAK RESERVOIR SNOTEL

0148 PM     SNOW             16 W BUFFALO            44.34N 107.02W
11/10/2014  E4.00 INCHES     JOHNSON            WY   MESONET

            SOLDIER PARK SNOTEL

0148 PM     SNOW             13 W BARNUM             43.63N 107.18W
11/10/2014  E4.00 INCHES     WASHAKIE           WY   MESONET

            MIDDLE POWDER SNOTEL

0201 PM     HEAVY SNOW       BEARTOOTH HIGHWAY       44.93N 109.54W
11/10/2014  M9.00 INCHES     PARK               WY   PUBLIC

0817 PM     HEAVY SNOW       9.4 NNW JACKSON         43.59N 110.87W
11/10/2014  E11.00 INCHES    TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE-RENDEZVOUS BOWL

0817 PM     HEAVY SNOW       9.9 NNW JACKSON         43.60N 110.85W
11/10/2014  E6.00 INCHES     TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE-RAYMER

0818 PM     HEAVY SNOW       9.3 NNW JACKSON         43.59N 110.84W
11/10/2014  E6.00 INCHES     TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE-MID

0818 PM     SNOW             8.6 NNW JACKSON         43.58N 110.85W
11/10/2014  E2.00 INCHES     TETON              WY   PARK/FOREST SRVC

            JACKSON HOLE-BASE

0818 PM     HEAVY SNOW       5 NE ALTA               43.79N 110.94W
11/10/2014  E6.00 INCHES     TETON              WY   PARK/FOREST SRVC

            GRAND TARGHEE-CHIEF JOSEPH

0818 PM     SNOW             SNOW KING               43.46N 110.76W
11/10/2014  E2.00 INCHES     TETON              WY   PARK/FOREST SRVC

0818 PM     HEAVY SNOW       BROOKS LAKE             43.73N 110.01W
11/10/2014  E10.00 INCHES    FREMONT            WY   PARK/FOREST SRVC

0819 PM     HEAVY SNOW       TOGWOTEE MOUNTAIN LODGE 43.82N 110.18W
11/10/2014  E11.00 INCHES    TETON              WY   PARK/FOREST SRVC

0819 PM     SNOW             COMMISSARY RIDGE        42.57N 110.73W
11/10/2014  E4.00 INCHES     LINCOLN            WY   PARK/FOREST SRVC

0819 PM     SNOW             17.2 E THAYNE           42.97N 110.61W
11/10/2014  E4.00 INCHES     LINCOLN            WY   PARK/FOREST SRVC

            BLIND BULL SUMMIT

0819 PM     SNOW             14.3 E THAYNE           42.87N 110.71W
11/10/2014  E2.00 INCHES     LINCOLN            WY   PARK/FOREST SRVC

            BOX Y RANCH

0820 PM     SNOW             6 W CASPER              42.88N 106.42W
11/10/2014  M4.20 INCHES     NATRONA            WY   TRAINED SPOTTER

            CASPER AIRPORT

0820 PM     HEAVY SNOW       1 S LANDER              42.80N 108.72W
11/10/2014  M6.10 INCHES     FREMONT            WY   PUBLIC

            LANDER AIRPORT

0821 PM     SNOW             RIVERTON                43.03N 108.37W
11/10/2014  M5.00 INCHES     FREMONT            WY   CO-OP OBSERVER

0825 PM     SNOW             AFTON                   42.72N 110.92W
11/10/2014  M0.40 INCHES     LINCOLN            WY   CO-OP OBSERVER

0825 PM     SNOW             BASIN                   44.37N 108.03W
11/10/2014  M0.50 INCHES     BIG HORN           WY   CO-OP OBSERVER

0826 PM     SNOW             3 SE BEDFORD            42.87N 110.90W
11/10/2014  M0.50 INCHES     LINCOLN            WY   CO-OP OBSERVER

0826 PM     SNOW             BONDURANT               43.22N 110.43W
11/10/2014  M2.60 INCHES     SUBLETTE           WY   CO-OP OBSERVER

0827 PM     SNOW             BUFFALO                 44.35N 106.69W
11/10/2014  M1.20 INCHES     JOHNSON            WY   CO-OP OBSERVER

0827 PM     SNOW             3 NE CLARK              44.93N 109.14W
11/10/2014  M0.80 INCHES     PARK               WY   CO-OP OBSERVER

0827 PM     SNOW             DANIEL FISH HATCHERY    42.92N 110.12W
11/10/2014  M1.00 INCHES     SUBLETTE           WY   CO-OP OBSERVER

0828 PM     SNOW             DARWIN RANCH            43.41N 110.15W
11/10/2014  M3.00 INCHES     TETON              WY   CO-OP OBSERVER

0829 PM     SNOW             GREYBULL                44.49N 108.05W
11/10/2014  M0.50 INCHES     BIG HORN           WY   CO-OP OBSERVER

0829 PM     SNOW             KIRBY                   43.80N 108.19W
11/10/2014  M3.20 INCHES     HOT SPRINGS        WY   COCORAHS

0830 PM     SNOW             LANDER                  42.84N 108.74W
11/10/2014  M0.50 INCHES     FREMONT            WY   CO-OP OBSERVER

0830 PM     SNOW             9 NE THERMOPOLIS        43.75N 108.14W
11/10/2014  M3.40 INCHES     HOT SPRINGS        WY   CO-OP OBSERVER

0831 PM     SNOW             ROCK SPRINGS            41.57N 109.23W
11/10/2014  M1.70 INCHES     SWEETWATER         WY   CO-OP OBSERVER

0831 PM     HEAVY SNOW       THERMOPOLIS             43.64N 108.20W
11/10/2014  M6.00 INCHES     HOT SPRINGS        WY   CO-OP OBSERVER

0832 PM     SNOW             TOWER FALLS RANGER STAT 44.91N 110.42W
11/10/2014  M1.20 INCHES     YELLOWSTONE        WY   CO-OP OBSERVER

0832 PM     SNOW             MEETEETSE               44.15N 108.87W
11/10/2014  M4.00 INCHES     PARK               WY   TRAINED SPOTTER

0832 PM     SNOW             7 S CASPER              42.73N 106.35W
11/10/2014  M4.00 INCHES     NATRONA            WY   TRAINED SPOTTER

            CASPER MOUNTAIN

0833 PM     SNOW             TEN SLEEP               44.03N 107.45W
11/10/2014  M3.80 INCHES     WASHAKIE           WY   TRAINED SPOTTER

0835 PM     HEAVY SNOW       2 W RIVERTON            43.02N 108.42W
11/10/2014  M6.00 INCHES     FREMONT            WY   NWS EMPLOYEE

0835 PM     HEAVY SNOW       4 WSW LANDER            42.81N 108.81W
11/10/2014  M8.00 INCHES     FREMONT            WY   TRAINED SPOTTER

0836 PM     SNOW             4 NE EVANSVILLE         42.88N 106.19W
11/10/2014  M3.50 INCHES     NATRONA            WY   TRAINED SPOTTER

0836 PM     SNOW             2 S CASPER              42.81N 106.34W
11/10/2014  M4.00 INCHES     NATRONA            WY   PUBLIC

0836 PM     HEAVY SNOW       5 WSW LANDER            42.80N 108.81W
11/10/2014  M11.30 INCHES    FREMONT            WY   TRAINED SPOTTER

0838 PM     SNOW             13 SE PINEDALE          42.75N 109.66W
11/10/2014  M0.30 INCHES     SUBLETTE           WY   COCORAHS

0839 PM     SNOW             14 NW PINEDALE          42.98N 110.08W
11/10/2014  M0.80 INCHES     SUBLETTE           WY   COCORAHS

0840 PM     HEAVY SNOW       3 SSW WILSON            43.46N 110.89W
11/10/2014  M6.00 INCHES     TETON              WY   COCORAHS

0840 PM     SNOW             TEN SLEEP               44.03N 107.45W
11/10/2014  M3.80 INCHES     WASHAKIE           WY   COCORAHS

0841 PM     SNOW             10 WNW DUBOIS           43.57N 109.82W
11/10/2014  M3.50 INCHES     FREMONT            WY   COCORAHS

0842 PM     HEAVY SNOW       THERMOPOLIS             43.63N 108.21W
11/10/2014  M7.80 INCHES     HOT SPRINGS        WY   COCORAHS

0842 PM     SNOW             THERMOPOLIS             43.63N 108.22W
11/10/2014  M5.00 INCHES     HOT SPRINGS        WY   COCORAHS

0844 PM     SNOW             5 SSE SMOOT             42.55N 110.88W
11/10/2014  M1.00 INCHES     LINCOLN            WY   COCORAHS

0844 PM     SNOW             STAR VALLEY RANCH       42.97N 110.96W
11/10/2014  M1.00 INCHES     LINCOLN            WY   COCORAHS

0844 PM     SNOW             2 SE THAYNE             42.90N 110.98W
11/10/2014  M0.70 INCHES     LINCOLN            WY   COCORAHS

0845 PM     SNOW             5 NNE THAYNE            42.97N 110.94W
11/10/2014  M1.30 INCHES     LINCOLN            WY   COCORAHS

0845 PM     SNOW             CASPER                  42.81N 106.34W
11/10/2014  M3.00 INCHES     NATRONA            WY   COCORAHS

0846 PM     SNOW             2 S CASPER              42.80N 106.33W
11/10/2014  M2.00 INCHES     NATRONA            WY   COCORAHS

0846 PM     SNOW             CASPER                  42.81N 106.34W
11/10/2014  M2.50 INCHES     NATRONA            WY   COCORAHS

0846 PM     SNOW             4 WSW CASPER            42.81N 106.41W
11/10/2014  M2.10 INCHES     NATRONA            WY   COCORAHS

0847 PM     SNOW             10 WSW CASPER           42.76N 106.49W
11/10/2014  M1.70 INCHES     NATRONA            WY   COCORAHS

0847 PM     SNOW             11 ESE CASPER           42.77N 106.13W
11/10/2014  M2.40 INCHES     NATRONA            WY   COCORAHS

0847 PM     SNOW             11 WSW CASPER           42.78N 106.53W
11/10/2014  M2.00 INCHES     NATRONA            WY   COCORAHS

0848 PM     SNOW             CODY                    44.52N 109.07W
11/10/2014  M0.80 INCHES     PARK               WY   COCORAHS

0849 PM     SNOW             4 SE CODY               44.48N 108.99W
11/10/2014  M0.60 INCHES     PARK               WY   COCORAHS

0850 PM     SNOW             26 SW CODY              44.29N 109.47W
11/10/2014  M2.50 INCHES     PARK               WY   COCORAHS

0850 PM     SNOW             4 SW POWELL             44.71N 108.82W
11/10/2014  M0.40 INCHES     PARK               WY   COCORAHS

0851 PM     SNOW             5 N SOUTH ENTRANCE      44.21N 110.67W
11/10/2014  E2.00 INCHES     YELLOWSTONE        WY   MESONET

            LEWIS LAKE DIVIDE SNOTEL

0851 PM     SNOW             16 N PAHASKA            44.73N 109.91W
11/10/2014  E4.00 INCHES     YELLOWSTONE        WY   MESONET

            PARKER PEAK SNOTEL

0851 PM     SNOW             10 W PAHASKA            44.48N 110.16W
11/10/2014  E1.00 INCHES     YELLOWSTONE        WY   MESONET

            SYLVAN LAKE SNOTEL

0851 PM     SNOW             4 WSW PAHASKA           44.48N 110.04W
11/10/2014  E1.00 INCHES     YELLOWSTONE        WY   MESONET

            SYLVAN ROAD SNOTEL

0852 PM     HEAVY SNOW       21 W CLARK              44.94N 109.57W
11/10/2014  E8.00 INCHES     PARK               WY   MESONET

            BEARTOOTH LAKE SNOTEL

0852 PM     SNOW             19 WSW WAPITI           44.38N 109.79W
11/10/2014  E5.00 INCHES     PARK               WY   MESONET

            BLACKWATER SNOTEL

0852 PM     SNOW             11 N DUBOIS             43.70N 109.67W
11/10/2014  E3.00 INCHES     FREMONT            WY   MESONET

            BURROUGHS CREEK SNOTEL

0852 PM     SNOW             16 NE DUBOIS            43.67N 109.37W
11/10/2014  E1.00 INCHES     FREMONT            WY   MESONET

            CASTLE CREEK SNOTEL

0853 PM     SNOW             14 NE PAHASKA           44.65N 109.78W
11/10/2014  E3.00 INCHES     PARK               WY   MESONET

            EVENING STAR SNOTEL

0853 PM     HEAVY SNOW       30 SW MEETEETSE         43.86N 109.32W
11/10/2014  E8.00 INCHES     PARK               WY   MESONET

            KIRWIN SNOTEL

0853 PM     SNOW             18 SW CODY              44.30N 109.24W
11/10/2014  E5.00 INCHES     PARK               WY   MESONET

            MARQUETTE SNOTEL

0853 PM     SNOW             18 WSW MEETEETSE        44.03N 109.18W
11/10/2014  E5.00 INCHES     PARK               WY   MESONET

            TIMBER CREEK SNOTEL

0854 PM     SNOW             26 WSW CLARK            44.80N 109.66W
11/10/2014  E3.00 INCHES     PARK               WY   MESONET

            WOLVERINE SNOTEL

0854 PM     SNOW             28 E LOVELL             44.80N 107.84W
11/10/2014  E5.00 INCHES     BIG HORN           WY   MESONET

            BALD MOUNTAIN SNOTEL

0854 PM     SNOW             14 NE SHELL             44.68N 107.58W
11/10/2014  E4.00 INCHES     BIG HORN           WY   MESONET

            BONE SPRINGS DIVIDE SNOTEL

0855 PM     HEAVY SNOW       18 E SHELL              44.50N 107.43W
11/10/2014  E6.00 INCHES     BIG HORN           WY   MESONET

            SHELL CREEK SNOTEL

0855 PM     SNOW             21 SW BARNUM            43.47N 107.24W
11/10/2014  E2.00 INCHES     NATRONA            WY   MESONET

            GRAVE SPRING SNOTEL

0855 PM     HEAVY SNOW       27 NW BUFFALO           44.54N 107.17W
11/10/2014  E6.00 INCHES     JOHNSON            WY   MESONET

            LITTLE GOOSE SNOTEL

0856 PM     SNOW             8 NNE MORAN JUNCTION    43.95N 110.45W
11/10/2014  E4.00 INCHES     TETON              WY   MESONET

            BASE CAMP SNOTEL

0856 PM     HEAVY SNOW       6 ENE ALTA              43.78N 110.93W
11/10/2014  E14.00 INCHES    TETON              WY   MESONET

            GRAND TARGHEE SNOTEL

0856 PM     SNOW             10 N BONDURANT          43.34N 110.43W
11/10/2014  E1.00 INCHES     TETON              WY   MESONET

            GRANITE CREEK SNOTEL

0856 PM     SNOW             8 W SOUTH ENTRANCE      44.13N 110.83W
11/10/2014  E2.00 INCHES     TETON              WY   MESONET

            GRASSY LAKE SNOTEL

0857 PM     SNOW             20 NE BONDURANT         43.39N 110.13W
11/10/2014  E5.00 INCHES     TETON              WY   MESONET

            GROS VENTRE SUMMIT SNOTEL

0857 PM     SNOW             14 E BONDURANT          43.17N 110.14W
11/10/2014  E4.00 INCHES     SUBLETTE           WY   MESONET

            LOOMIS PARK SNOTEL

0857 PM     HEAVY SNOW       8 WNW JACKSON           43.52N 110.91W
11/10/2014  E6.00 INCHES     TETON              WY   MESONET

            PHILLIPS BENCH SNOTEL

0857 PM     HEAVY SNOW       25 NW DUBOIS            43.75N 110.06W
11/10/2014  E12.00 INCHES    TETON              WY   MESONET

            TOGWOTEE PASS SNOTEL

0858 PM     SNOW             12 NNE PINEDALE         43.01N 109.76W
11/10/2014  E1.00 INCHES     SUBLETTE           WY   MESONET

            ELKHART PARK G.S. SNOTEL

0858 PM     SNOW             16 SW DUBOIS            43.38N 109.88W
11/10/2014  E3.00 INCHES     SUBLETTE           WY   MESONET

            GUNSITE PASS SNOTEL

0858 PM     SNOW             22 N CORA               43.25N 110.02W
11/10/2014  E1.00 INCHES     SUBLETTE           WY   MESONET

            KENDALL RANGER STATION SNOTEL

0858 PM     SNOW             25 SW LANDER            42.58N 109.08W
11/10/2014  E3.00 INCHES     SUBLETTE           WY   MESONET

            LARSEN CREEK SNOTEL

0858 PM     SNOW             12 N CORA               43.11N 109.95W
11/10/2014  E4.00 INCHES     SUBLETTE           WY   MESONET

            NEW FORK LAKE SNOTEL

0859 PM     SNOW             16 E BOULDER            42.71N 109.41W
11/10/2014  E2.00 INCHES     SUBLETTE           WY   MESONET

            POCKET CREEK SNOTEL

0859 PM     SNOW             14 W CROWHEART          43.28N 109.45W
11/10/2014  E5.00 INCHES     FREMONT            WY   MESONET

            COLD SPRINGS SNOTEL

0859 PM     SNOW             19 SSW LANDER           42.59N 108.90W
11/10/2014  E2.00 INCHES     FREMONT            WY   MESONET

            DEER PARK SNOTEL

0900 PM     SNOW             26 NW LANDER            43.03N 109.17W
11/10/2014  E3.00 INCHES     FREMONT            WY   MESONET

            ST. LAWRENCE ALT SNOTEL

0901 PM     SNOW             22 SSE CASPER           42.57N 106.09W
11/10/2014  E2.00 INCHES     NATRONA            WY   MESONET

            RENO HILL SNOTEL

0901 PM     HEAVY SNOW       8 SE AFTON              42.65N 110.81W
11/10/2014  E9.00 INCHES     LINCOLN            WY   MESONET

            COTTONWOOD CREEK SNOTEL

0901 PM     SNOW             15 S AFTON              42.51N 110.91W
11/10/2014  E2.00 INCHES     LINCOLN            WY   MESONET

            SALT RIVER SUMMIT SNOTEL

0902 PM     HEAVY SNOW       17 E AFTON              42.76N 110.59W
11/10/2014  E6.00 INCHES     SUBLETTE           WY   MESONET

            TRIPLE PEAK SNOTEL

0902 PM     HEAVY SNOW       8 NE AFTON              42.82N 110.84W
11/10/2014  E8.00 INCHES     LINCOLN            WY   MESONET

            WILLOW CREEK SNOTEL

0902 PM     SNOW             12 ESE BONDURANT        43.13N 110.20W
11/10/2014  E2.00 INCHES     SUBLETTE           WY   MESONET

            EAST RIM DIVIDE SNOTEL

0905 PM     SNOW             WORLAND                 44.00N 107.95W
11/10/2014  M4.00 INCHES     WASHAKIE           WY   PUBLIC

&&

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Event by event

9 cold/wind chill. Local standard time, as filed.

Cold/Wind Chill, Natrona County Lower Elevations

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
Natrona County Lower Elevations forecast zone
Reported by
ASOS
Coordinates
42.962, -106.798 (the zone’s center; the record gives no point)

Temperatures at the Casper-Natrona County International Airport set three record low temperatures from Tuesday, November 11, until Thursday, November 13. The minimum readings were 19 below, 27 below, and 26 below zero, respectively. The low of 27 below zero on Wednesday, November 12, was the all-time record low for November. Record low maximums were also recorded with highs of only 6 above, 3 above, and 8 above zero on the same three days. Wind chill temperatures fell to as low 43 below zero at Hiland on the 12th.

Cold/Wind Chill, Upper Green River Basin

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
Upper Green River Basin forecast zone
Reported by
ASOS
Coordinates
42.433, -109.520 (the zone’s center; the record gives no point)

The ASOS at the Big Piney Airport set new record low temperatures of 15 below zero on November 12, and 18 below zero on November 13. Record low maximums were also recorded from November 11, 12, and 13, as temperatures only climbed to 15, 11, and 10 above zero, respectively.

Cold/Wind Chill, Northeast Johnson County

When
November 11, 12:00 AM MST to November 14, 6:00 PM MST
Where
Northeast Johnson County forecast zone
Reported by
ASOS
Coordinates
44.039, -106.585 (the zone’s center; the record gives no point)

Record low temperatures of 11 below and 13 below zero were set at the Johnson County Airport in Buffalo airport on November 12 and 13. Record low maximums were also for four straight days from the 11th through the 14th with readings of 9, 7, 11, and 13, respectively.

Cold/Wind Chill, North Big Horn Basin

When
November 11, 12:00 AM MST to November 14, 6:00 PM MST
Where
North Big Horn Basin forecast zone
Reported by
ASOS
Coordinates
44.524, -108.791 (the zone’s center; the record gives no point)

A new record low temperature of 16 below zero was achieved at the South Big Horn County Airport near Greybull on Thursday, November 13. New record low maximum temperatures of 6, 10, 15, were recorded on November 12, 13, and 14, respectively.

Cold/Wind Chill, Yellowstone National Park

When
November 11, 12:00 AM MST to November 13, 12:00 AM MST
Where
Yellowstone National Park forecast zone
Reported by
ASOS
Coordinates
44.228, -110.089 (the zone’s center; the record gives no point)

Record lows of 12 below and 20 below zero were recorded at Lake Yellowstone on November 11th and 12th, respectively. Record low maximums were also recorded with highs of 8 on the 11th and 9 on the 12th.

Cold/Wind Chill, Lander Foothills

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
Lander Foothills forecast zone
Reported by
ASOS
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

New record low temperatures of 13 below and 18 below zero were observed at Hunt Field in Lander on November 12 and 13, respectively. Also, a record low maximum of 3 above zero was recorded on both days.

Cold/Wind Chill, Wind River Basin

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
Wind River Basin forecast zone
Reported by
ASOS
Coordinates
43.041, -108.630 (the zone’s center; the record gives no point)

A record low temperature of 21 below zero was recorded in downtown Riverton on Thursday, November 13. New record low maximum temperatures of 9 above zero, 4 above zero, and zero were set on November 11, 12, and 13, respectively.

Cold/Wind Chill, East Sweetwater County

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
East Sweetwater County forecast zone
Reported by
ASOS
Coordinates
41.660, -108.879 (the zone’s center; the record gives no point)

The Rock Springs-Sweetwater County Airport recorded record low temperatures of 4 below, 11 below, and 12 below zero on November 11, 12, and 13, respectively. Record low maximum temperatures of 9, 4, and 11, were also observed on the same three days.

Cold/Wind Chill, Southeast Big Horn Basin

When
November 11, 12:00 AM MST to November 13, 6:00 PM MST
Where
Southeast Big Horn Basin forecast zone
Reported by
ASOS
Coordinates
43.905, -107.683 (the zone’s center; the record gives no point)

The Worland Airport recorded new record low temperatures of 21 below and 28 below zero on November 12 and 13, respectively. Record low maximums of 3 above on the 12th and 5 above on the 13th were also observed.

What these are

Cold/Wind Chill
Cold or wind chill below warning criteria that caused deaths, injuries or damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wyoming in 2014Every state in 2014This day in weather historyWarnings in Wyoming, November 2014

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 546076, 546077, 546078, 546079, 546080, 546081, 546082, 546083, 546084.