Areas west of the Continental Divide received another dose of Pacific moisture and heavy snow. The Salt River, Wyoming, and Teton ranges received the most snow with amounts over a foot common.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS RIW wrote it up.
Areas west of the Continental Divide received another dose of Pacific moisture and heavy snow. The Salt River, Wyoming, and Teton ranges received the most snow with amounts over a foot common. The maximum amounts included 17 inches at Blind Bull Summit and Indian Creek in the Salt River and Wyoming ranges along with 15 inches at Grassy Lake in the Tetons. Across the lower elevations, the most snow fell northwest of Daniel where amounts were measured around 10 inches. East of the Continental Divide, strong wind gusts of 60 to 80 mph were recorded in the Green Mountains in southeast Fremont County.
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 Feb 14, 2:57 AM MST, 4 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 257 AM MST FRI FEB 14 2014 .SHORT TERM...TODAY THROUGH SUNDAY NIGHT WEST OF THE DIVIDE THE PINEAPPLE CONNECTION CONTINUES TO BOMBARD WESTERN WYOMING WITH PACIFIC MOISTURE. THREE MORE DISTINCT SNOW EVENTS ARE SLATED FOR WESTERN WYOMING THROUGH SUNDAY NIGHT...OCCURRING ABOUT EVERY 24 HOURS OR SO. THE FIRST OF THE THREE WILL IMPACT WESTERN WY TODAY THROUGH TONIGHT. A VAST AREA OF STRONG ISENTROPIC LIFT WILL INITIATE HEAVY SNOWFALL BY MID DAY TODAY AS WARM AIR ADVECTION FLOWS INTO A TRANSIENT FLAT RIDGE WHICH WILL COINCIDE WITH THE BEST PERIOD OF DENDRITIC GROWTH. THEN THE UPSLOPE COMPONENT WILL INCREASE SOMEWHAT THIS EVENING AS 700MB WINDS INCREASE TO 50 KNOTS WITH THE PASSAGE OF THE NEXT SHORTWAVE TROUGH. WITH H7 TEMPS INCREASING TO -4.5C IN NW WY AND -3C IN SOUTHWEST WY...EXPECT A QUICK BURST OF SNOWFALL THROUGH MID TO LATE MORNING IN THE STAR VALLEY TODAY WITH SNOW TURNING TO RAIN IN THE AFTERNOON...EXCEPT ON THE BENCHES EAST OF HIGHWAY 89 WHERE SNOW MAY MIX WITH RAIN. DEBATED WHETHER OR NOT TO GO WITH AN ADVISORY IN THIS ZONE BECAUSE OF THE WARMING TEMPS BUT WILL GO AHEAD AND GO WITH ONE AND ADDRESS THE UNCERTAINTY OF IMPACT IN THE WSW. ELSEWHERE OUT WEST WE WILL HOIST A WINTER STORM WARNING FOR THE CENTRAL FAR WEST ALONG WITH ADVISORIES FOR YNP...THE ABSAROKAS AND THE EAST SLOPE OF THE WIND RIVER MTNS WITH CONSIDERABLE BLOWING SNOW EXPECTED ON SOUTH PASS. THEN AFTER A SHORT BREAK IN THE INTENSITY OF THE SNOWFALL IN WESTERN WY SATURDAY MORNING...SNOWFALL WILL INCREASE AGAIN SATURDAY AFTERNOON AS MORE ISENTROPIC LIFT...ALBEIT NOT QUITE AS STRONG AS THE LIFT EXPECTED TODAY...STREAMS INTO THE NEXT BROADER FLAT RIDGE AHEAD OF THE NEXT SHORTWAVE TROUGH FLOWING WITHIN THE FAST BACKING WESTERLY FLOW. THIS BOUT OF HEAVIER SNOWFALL WILL LAST INTO SATURDAY EVENING. THEN AFTER ANOTHER SUBTLE BREAK IN THE ACTION...SNOWFALL WILL PICK UP SIGNIFICANTLY AGAIN ON SUNDAY AS THE FLOW BACKS TO A WEST SOUTHWEST DIFLUENT FLOW...A MORE DIRECT TRAJECTORY OFF THE SUBTROPICAL PACIFIC. THIS WILL BE A STRONGER SYSTEM WITH NEGATIVE LIFTED INDICES EXPECTED OUT AHEAD OF THE ASSOCIATED PACIFIC COLD FRONT AND MORE Q VECTOR FORCING. MONDAYS TEMPS WILL BE A BIT COOLER BEHIND THE FRONT WITH LESS OF A CHANCE OF SNOWFALL. OVERALL...HOWEVER...TEMPS WILL BE RATHER MILD THROUGH THE WEEKEND UNTIL THE FROPA. EAST OF THE DIVIDE... WIND WILL BE THE MAIN FEATURE TODAY AND THROUGH THE WEEKEND. AHEAD OF THE FIRST AFOREMENTIONED SHORTWAVE IN THE ONGOING PROGRESSIVE WESTERLY FLOW...THE GRADIENT WILL TIGHTEN...ESPECIALLY THIS EVENING...WITH H7 WINDS INCREASING TO 50 KNOTS TONIGHT ALONG WITH 5 700MB HEIGHT LINES SPACED EVERY 3 DECAMETERS ACROSS WY. MET MOS GUIDANCE IS ADVERTISING 29 KNOT SUSTAINED WINDS FOR KRKS FOR 00Z THIS EVENING. WILL HOIST A HIGH WIND WARNING FOR ZONE 19...AND ONLY 19...SINCE IT WILL BE A RATHER BORDERLINE EVENT...VALID FROM NOON TODAY TO MIDNIGHT TONIGHT. THIS PARTICULAR WEATHER FEATURE WILL SPREAD SOME LIGHT RAIN AND SNOW SHOWERS EAST OF THE DIVIDE...MAINLY OVER JOHNSON COUNTY. 3 TO 5 INCHES OF SNOW IS EXPECTED OVER THE BIG HORN MOUNTAINS TONIGHT. OTHERWISE EXPECT GENERALLY BRISK WEST SOUTHWEST WINDS FROM RKS TO CPR AND AT THE HIGHER ELEVATIONS THROUGH THE WEEKEND ALONG WITH RATHER MILD TEMPS WITH HIGHS IN THE 50S IN MANY AREAS. ON SUNDAY EVENING...A COLD FRONT WILL SWEEP SOME RAIN AND SNOW SHOWERS ACROSS THE DIVIDE TO MOST AREAS EAST OF THE DIVIDE. THIS PRECIP WILL BE ACCOMPANIED WITH ALTO OF WIND GIVEN THE 7MB 3 HOURLY POST FRONTAL SURFACE PRESSURE RISES. .LONG TERM...MONDAY THROUGH FRIDAY IN WAKE OF THE SYSTEM SUNDAY/SUNDAY NIGHT...GLOBAL MODELS CONTINUE TO SHOW A MAINLY DRY WESTERLY FLOW MONDAY...WITH ONLY A HINT OF SOME LIGHT SNOW/FLURRIES OVER THE NORTHWESTERN MOUNTAINS. STRONG TO POSSIBLY HIGH WIND POSSIBLE IN THE WIND CORRIDOR FROM KRKS TO KCPR. MOIST WESTERLY FLOW SHOULD THEN DEVELOP MONDAY NIGHT AND TUESDAY MORNING AHEAD OF LOW AMPLITUDE TROUGH PUSHING INTO THE PACIFIC NORTHWEST. THIS SHOULD RESULT IN WIDESPREAD SNOWFALL ACROSS THE WEST...WITH CONTINUED DRY...BUT WINDY CONDITIONS EAST OF THE DIVIDE. CURRENTLY IT APPEARS SNOWFALL AMOUNTS OVER THE WEST MONDAY NIGHT AND TUESDAY SHOULD BE ON THE LIGHT SIDE. THIS LOW AMPLITUDE TROUGH IS EXPECTED TO PUSH EASTWARD ACROSS THE NORTHERN/CENTRAL ROCKIES IN THE TUESDAY NIGHT/WEDNESDAY TIME FRAME. THE GFS IS FLATTER AND QUICKER WITH THIS INITIAL TROUGH THEN THE ECMWF AND GEM WHICH DIGS THE SYSTEM AND THUS IS A BIT SLOWER. ALTHOUGH THERE ARE TIMING ISSUES...MODELS ARE IN GENERAL AGREEMENT WITH A STRONG PACIFIC COLD FRONT IMPACTING THE AREA IN THE TUESDAY NIGHT/WEDNESDAY TIME FRAME...WITH COOLER TEMPS AND THE POSSIBILITY OF PRECIPITATION SPILLING EAST OF THE DIVIDE. COULD SEE A 12-24 HOUR WINDOW WHERE SIGNIFICANT SNOWFALL OCCURS OVER THE WEST DURING TUESDAY NIGHT/WEDNESDAY. GLOBAL MODELS THEN SHOW THE POSSIBILITY OF A STRONGER TROUGH AFFECTING THE AREA THURSDAY AND FRIDAY...WITH A CANADIAN COLD FRONT PUSHING SOUTH ACROSS THE FORECAST AREA FRIDAY. CURRENTLY IT APPEARS THE WEST SHOULD SEE SNOWFALL THURSDAY/THURSDAY NIGHT...SPILLING EAST OF THE DIVIDE THURSDAY NIGHT/FRIDAY...WITH MODELS INDICATING SOME UPSLOPE EAST. TEMPERATURES WILL BE ABOVE TO WELL ABOVE AVERAGE THROUGH TUESDAY...BEFORE COLDER TEMPERATURES RETURN WEDNESDAY AND THURSDAY...WITH MUCH BELOW AVERAGE TEMPERATURES POSSIBLE FRIDAY. && .AVIATION.../12Z ISSUANCE/ EAST OF THE DIVIDE...KCOD/KCPR/KLND/KRIW/KWRL ROUTES WINDS WILL REMAIN RELATIVELY LIGHT THROUGH THE MORNING WITH SOME LOCAL LLWS REMAINING ALONG THE EAST SLOPES OF THE DIVIDE...VCNTY KCOD-KDUB. THE NEXT PACIFIC STORM SYSTEM WILL DIVE SE ACROSS THE NORTHERN ROCKIES FRIDAY AFTN/EVE WITH WINDS AND AREAS OF LLWS INCREASING THROUGH THE AFTERNOON WITH MAX WIND SPEEDS EXPECTED 22Z FRI-07Z SATURDAY IN MOST AREAS. AN ASSOCIATED COLD FRONT WILL SPREAD ISOLD/WDLY SCT -SHRASN ACROSS MAINLY THE NE...VCNTY AND N-E OF A KCOD-KCPR LINE...03Z-09Z SATURDAY. SFC WINDS WILL GRADUALLY DIMINISH BEHIND THE FRONT BUT AREAS OF LLWS WILL REMAIN THROUGH 12Z SATURDAY. WEST OF THE DIVIDE...KBPI/KJAC/KPNA/KRKS ROUTES VFR CONDITIONS WILL PREVAIL OVER THE TERMINALS OVERNIGHT WITH HIGHER MTNS OBSCURED IN -SN THROUGH 15Z SATURDAY. SNOW AND WIDESPREAD IFR CONDITIONS WILL RAPIDLY INCREASE FROM WEST TO THE DIVIDE 16Z-19Z SATURDAY ALONG WITH WIDESPREAD MTN OBSCURATIONS. THESE CONDITIONS WILL CONTINUE THROUGH THE AFTERNOON ALONG WITH INCREASING W-SW WIND AND AREAS OF LLWS. VSBYS WILL GRADUALLY IMPROVE THROUGH SATURDAY EVENING...BUT WIDESPREAD 20-30KT WIND WITH HIGHER GUSTS AND LLWS WILL REMAIN THROUGH THE EVENING BEFORE GRADUALLY DIMINISHING EARLY SATURDAY MORNING. && .FIRE WEATHER... ABUNDANT SNOWFALL IS EXPECTED IN FAR WESTERN WYOMING THROUGH THE WEEKEND SO NO FIRE CONCERNS THERE. EAST OF THE DIVIDE...BRISK WEST SOUTHWEST WINDS ARE EXPECTED FROM ROCK SPRINGS TO CASPER AND AT THE HIGHER ELEVATIONS. SOME PRECIPITATION IS EXPECTED TONIGHT EAST OF THE DIVIDE...MAINLY IN ZONE 281 WHERE LIGHT RAIN AND SNOW SHOWERS WILL FALL AND IN ZONE 285 WHERE ACCUMULATING SNOWFALL IS EXPECTED. ON SUNDAY NIGHT...MORE SIGNIFICANT RAIN AND SNOW SHOWERS WILL SPREAD TO AREAS EAST OF THE DIVIDE ALONG WITH BRISK VEERING WINDS. && .RIW WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY FROM 8 AM THIS MORNING TO 5 AM MST SATURDAY WYZ001-002-015-023. HIGH WIND WARNING FROM NOON TODAY TO MIDNIGHT MST TONIGHT WYZ019. WINTER STORM WARNING FROM 8 AM THIS MORNING TO 5 AM MST SATURDAY WYZ012>014-024-025. && SHORT TERM...LIPSON LONG TERM...WM AVIATION...AEM FIRE WEATHER...LIPSON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 300 AM MST FRI FEB 14 2014 WYZ001>020-022>030-151300- 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- 300 AM MST FRI FEB 14 2014 ...WINTER STORM WARNING AND ADVISORIES FOR MUCH OF WESTERN WYOMING FROM 8 AM TODAY THROUGH 5 AM SATURDAY... ...HIGH WIND WARNING FOR SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES FROM NOON TODAY TO MIDNIGHT TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT SIGNIFICANT SNOW AND BLOWING SNOW OVER MUCH OF THE WEST TODAY AND TONIGHT. VERY STRONG WINDS OVER SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES THIS AFTERNOON AND EVENING. PLEASE SEE THE WINTER STORM AND HIGH WIND STATEMENTS FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SATURDAY AND SUNDAY...SIGNIFICANT SNOWFALL POSSIBLE MAINLY OVER THE WESTERN MOUNTAINS SATURDAY NIGHT AND SUNDAY. STRONG TO POTENTIALLY DAMAGING WIND AT TIMES...MAINLY IN THE WIND CORRIDOR FROM ROCK SPRINGS TO CASPER...AS WELL AS THE EASTERN SLOPES OF THE ABSAROKA MOUNTAINS AND THE CODY FOOTHILLS. MONDAY AND TUESDAY...STRONG WINDS POSSIBLE AT TIMES...ESPECIALLY IN THE WIND CORRIDOR BETWEEN ROCK SPRINGS TO CASPER...AND THE CODY FOOTHILLS. TUESDAY NIGHT AND WEDNESDAY...SIGNIFICANT SNOWFALL POSSIBLE ACROSS THE WEST. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS. TEAM RIVERTON
The national radar mosaic for the moment the first event began.
3 winter storm, 1 high wind. Local standard time, as filed.
Heavy snow fell in the Tetons with 15 inches reported at the Grassy Lake and Granite Creek SNOTEL sites.
Heavy snow fell across the Salt and Wyoming Ranges. The highest snowfall amounts were 17 inches reported at Indian Creek and Blind Bull Summit.
A trained spotter measured 11 inches of snow northwest of Daniel.
Numerous wind gusts past 60 mph were measured at Camp Creek. The maximum wind gust was 80 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2014Every state in 2014This day in weather historyWarnings in Wyoming, February 2014
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: 489880, 489881, 489883, 489886.