A upper level trough and cold front moved through southeast Wyoming and produced a period of moderate snowfall and gusty winds over the Snowy and Sierra Madre ranges.
Every event with a place to put it; 5 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 CYS wrote it up.
A upper level trough and cold front moved through southeast Wyoming and produced a period of moderate snowfall and gusty winds over the Snowy and Sierra Madre ranges.
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 Cheyenne, WY wrote its last area forecast discussion before the first event at Mar 3, 10:48 PM MST, 1 hour 12 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1048 PM MST MON MAR 3 2014
.UPDATE...
ISSUED AT 827 PM MST MON MAR 3 2014
INITIAL LOOK AT 00Z NAM OUTPUT CONTINUES TO POINT TO QUICK HITTING
PRECIP EVENT ACROSS THE WEST TOMORROW AND SPREADING EAST OF THE
PLAINS FOR THE MOST PART TOMORROW EVENING. JUST SENT A QUICK
UPDATE TO BOOST PRECIPITATION CHANCES AND SNOWFALL AMOUNTS MAINLY
ACROSS SOUTH WYOMING AND THE EXTREME SOUTHERN NEBRASKA PANHANDLE
TOMORROW NIGHT. THE HEAVIEST BAND WILL BE ORIENTED ALONG AN AREA
OF MID-LEVEL FRONTOGENESIS FOCUSED ON SRN PLATTE...LARAMIE
AND KIMBALL COUNTIES. WOULD NOT BE AT ALL SURPRISED TO SEE A QUICK
2 TO 4 INCHES OF SNOW TOMORROW EVENING IN THESE AREAS. AREA OF
SNOW WILL BE OUT OF THE AREA BY SUNRISE WEDNESDAY. NO OTHER
ADJUSTMENTS TO THE FORECAST NECESSARY WITH THE EVENING UPDATE.
&&
.SHORT TERM...(THIS EVENING THROUGH WEDNESDAY NIGHT)
ISSUED AT 330 PM MST MON MAR 3 2014
AFTERNOON WATER VAPOR IMAGERY REVEALED A MODERATELY AMPLIFIED
PROGRESSIVE LARGE SCALE FLOW ACROSS THE NATION. TROUGHS WERE LOCATED
OVER THE OH/TN VALLEYS...CENTRAL PLAINS TO SOUTHERN ROCKIES AND
EASTERN PACIFIC. RIDGES WERE SITUATED OFF THE ATLANTIC COAST...MIDWEST
AND INTERMOUNTAIN WEST. A WARM FRONT WAS ANALYZED FROM CENTRAL MT
THRU NORTHEAST WY...NE PANHANDLE AND EASTERN CO. A BROAD WEAK RIDGE
ENCOMPASSED AREAS FROM THE CENTRAL/SOUTHERN ROCKIES WESTWARD.
TEMPERATURES WERE MOSTLY IN THE 30S AND 40S. WESTERLY WINDS WERE
GUSTING BETWEEN 25 AND 45 MPH ACROSS MUCH OF SOUTHEAST WY. LIGHTER
WINDS PREVAILED ACROSS WESTERN NE. INTERVALS OF MID AND HIGH CLOUDS
DOTTED THE REGIONAL SKYSCAPE.
SHORT TERM FORECAST CHALLENGES WILL FOCUS ON PRECIPITATION...WINDS
AND TEMPERATURES. WEAK RIDGING ALOFT WILL TRANSLATE EAST ACROSS
THE CWA TONIGHT. THERE WILL BE ENOUGH LOW/MID LEVEL MOISTURE FOR
LIGHT SNOWFALL OVER THE SOUTHERN MOUNTAINS. TEMPERATURES WILL BE
MILDER UNDER THE RIDGE WITH 700MB TEMPERATURES STEADY AROUND -3C.
GUSTY WESTERLY WINDS OF 25 TO 45 MPH WILL CONTINUE TONIGHT FOR
WIND PRONE AREAS OF SOUTHEAST WY.
A SHORTWAVE DISTURBANCE WILL BE MOVING INTO WY BY TUESDAY MORNING...
AND INTENSIFY AS IT TRANSITS THE STATE TUESDAY AFTERNOON AND INTO
THE HIGH PLAINS TUESDAY NIGHT. NOT MUCH IN THE WAY OF FRONTOGENESIS
OR LARGE SCALE LIFT WITH THIS FEATURE...HOWEVER SUFFICIENT MOISTURE
AND UPSLOPE WILL BE PRESENT FOR SIGNIFICANT SNOW ACCUMULATIONS OVER
HIGHER ELEVATIONS WEST OF THE LARAMIE RANGE. THE HEAVIER ACCUMULATIONS
LOOK FAVORED OVER THE SIERRA MADRE RANGE WHERE 6 TO 8 INCHES IS
EXPECTED. THEREFORE...HAVE ISSUED A WINTER WEATHER ADVISORY FOR
SNOW FROM LATE TUESDAY MORNING THROUGH TUESDAY NIGHT. WINDS WILL
NOT BE AS GUSTY...GENERALLY 15 TO 25 MPH. HIGH TEMPERATURES TUESDAY
WILL BE SIMILAR TO TODAY WITH 30S AND 40S. PRECIPITATION ACROSS
THE PLAINS WILL BE RAIN OR RAIN/SNOW MIX TUESDAY AFTERNOON THEN
CHANGE TO SNOW TUESDAY EVENING AS COLDER AIR SPREADS EAST.
ACCUMULATIONS WILL BE LIGHT...MAINLY AN INCH OR LESS. THE SNOW TAPERS
OFF AND ENDS BY WEDNESDAY MORNING WITH THE DEPARTURE OF THE SHORTWAVE.
WEDNESDAY AND WEDNESDAY NIGHT WILL BE DRY. DAYTIME HIGHS WILL BE
SEASONAL WITH WARMER THAN NORMAL NIGHTTIME LOWS. A FASTER WESTERLY
FLOW ALOFT WILL SPREAD EAST INTO WY LATE WEDNESDAY AND CONTINUE
WEDNESDAY NIGHT. 700MB WINDS INCREASE FROM 50 TO 60 KT WEDNESDAY
NIGHT IN THE VICINITY OF THE LARAMIE RANGE. COULD BE LOOKING AT
HIGH WIND HIGHLIGHTS AT THAT TIME.
.LONG TERM...(THURSDAY THROUGH MONDAY)
ISSUED AT 245 PM MST MON MAR 3 2014
CONFIDENCE IN RESPECTIVE MODEL SOLUTIONS IS MODERATE TO HIGH...SINCE
THE MODELS ARE IN REASONABLY CLOSE AGREEMENT SYNOPTICALLY AT 500
MB.
THURSDAY...FLOW ALOFT BECOMES ZONAL...WEST TO EAST. NAM SHOWS A DECENT
SLUG OF LOW AND MID LEVEL MOISTURE ADVECTING EASTWARD ACROSS CARBON
COUNTY...AND ESPECIALLY THE SNOWY AND SIERRA MADRE RANGES OF SOUTHERN
CARBON COUNTY...WHILE THE OTHER MODELS ARE LESS BULLISH ON PRECIPITATION.
WILL LATCH ONTO THE NAM THIS TIME...AS IT TYPICALLY IS TOO LOW ON
QPF COMPARED TO THE GFS AND ECMWF...AND THE CURRENT WATER VAPOR LOOP
DOES SHOW A DECENT MOISTURE FEED MOVING ASHORE FROM THE PACIFIC INTO
NORTHERN CALIFORNIA...LENDING MORE VALIDITY TO THE WETTER NAM SOLUTION.
IN EITHER EVENT...DOWNSLOPING IN THE LOW LEVELS AND SNOW SHADOWING...
WILL KEEP EVERYWHERE ELSE DRY.
ASSUMING MINIMAL MIDDLE AND HIGH CLOUD OPACITY...THICKNESS...BASED
ON PROJECTED THICKNESSES...DOWNSLOPE WINDS AND EXPERIENCE...WILL
BOOST MAXIMUM TEMPERATURES CLOSE TO GFS MEX GUIDANCE AS DOWNSLOPE
WINDS IN THE LOW LEVELS CONTRIBUTE GREATLY TO WARMING POTENTIAL.
FRIDAY...PROGRESSIVE POSITIVELY TILTED SHORTWAVE TROUGH ALOFT AND
ITS ASSOCIATED BAROCLINIC BAND AND COLD FRONT MOVE ACROSS WYOMING
AND COLORADO...SPREADING SNOWS FROM WEST TO EAST...WITH GREATEST
AREAL COVERAGE ACROSS THE NORTHERN LARAMIE...SNOWY AND SIERRA MADRE
RANGES OF CARBON AND ALBANY COUNTIES...THOUGH MOST LOCALES SHOULD AT
LEAST SEE SCATTERED COVERAGE OF SNOW SHOWERS WITH THE PROJECTED LOW
AND MID LEVEL MOISTURE...AND PROJECTED DYNAMIC...OROGRAPHIC AND
UPSLOPE LIFT. CONSIDERABLY COLDER IN THE WAKE OF THE POTENT COLD
FRONT AND CLOUD COVER.
SATURDAY...DRIER WITH A SLOW WARMING TREND AS RIDGING ALOFT MOVES
ACROSS OUR REGION...THOUGH MAXIMUM TEMPERATURES WILL BE TEMPERED BY
NORTH AND NORTHWEST FLOW ALOFT.
SUNDAY...QUITE PLEASANT DAY FOR MILD WEATHER OUTDOOR ENTHUSIASTS AS
THE FLOW ALOFT TURNS ZONAL...WEST TO EAST...AND A DECENT SURFACE LEE
TROUGH DEVELOPS FROM EASTERN MONTANA...THROUGH EASTERN WYOMING TO
EASTERN COLORADO. BASED ON PROJECTED 700 MB TEMPERATURES NEAR 4
CELSIUS AND 1000-500 MB THICKNESSES NEAR 5610 METERS...AS WELL AS
COPIOUS SUNSHINE AND DOWNSLOPE WARMING...MAXIMUM TEMPERATURES
EXPECTED TO EASILY SOAR INTO THE 50S WEST OF INTERSTATE 25...WITH
MAINLY BALMY 60S EAST OF INTERSTATE 25.
MONDAY...NEXT PROGRESSIVE SHORTWAVE TROUGH ALOFT MOVES ACROSS
MONTANA AND WYOMING. THERE ARE DECENT DIFFERENCES BETWEEN THE GFS
AND ECMWF...AS THE ECMWF SHOWS MORE AMPLITUDE WITH THE SHORTWAVE
TROUGH THAN DOES THE GFS. THE ECMWF DEPICTS MORE WIDESPREAD
PRECIPITATION THAN THE GFS SOLUTION. WITH THIS BEING OUR DAY 7 AND
SHORTWAVE TIMING AND INTENSITY THIS FAR OUT QUITE SKETCHY...WILL
BLEND WITH OUR NEIGHBORING OFFICES GRIDDED FORECASTS AND PAINT
SCATTERED POPS NEAR OUR MOUNTAINS WEST OF INTERSTATE 25. COOLER IN
THE WAKE OF THE SHORTWAVE TROUGH ALOFT AND COLD FRONTAL PASSAGE.
&&
.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z TUESDAY EVENING)
ISSUED AT 1048 PM MST MON MAR 3 2014
AVIATION CONCERNS OVER THE NEXT 24 HOURS WILL CENTER AROUND A
DISTURBANCE THAT WILL BEGIN TO IMPACT KRWL AFTER 12Z AND SPREAD TO
KLAR/KCYS AND KSNY BETWEEN 00Z AND 02Z. IFR/LIFR CIGS/VSBYS ARE
EXPECTED AT THESE TERMINALS WITH GENERALLY 2 TO 5 INCHES OF NEW
SNOW ACCUMULATIONS. THE SYSTEM WILL DEPART AS QUICKLY AS IT CAME
IN...BRINGING SNOW TO AN END AROUND MIDNIGHT TUESDAY NIGHT. THESE
POOR AVIATION CONDITIONS WILL RESULT IN MOUNTAIN OBSCURATIONS
DURING THE DAY TUESDAY AND TUESDAY EVENING. WEST WINDS WILL SHIFT
NORTH/NORTHEAST FOR KCYS AND WESTERN NEBRASKA PANHANDLE SITES AS
THE COLD FRONT MOVES THROUGH MIDDAY TUESDAY AT KCDR AND AROUND 01Z
AT KCYS.
&&
.FIRE WEATHER...
ISSUED AT 245 PM MST MON MAR 3 2014
FIRE WEATHER CONCERNS WILL BE MINIMAL THIS WEEK WITH AN EXISTING
SNOW PACK AND CHANCES FOR ADDITIONAL SNOW. A PACIFIC WEATHER SYSTEM
WILL BRING RAIN AND SNOW TUESDAY AND TUESDAY NIGHT. DRIER AND WARMER
CONDITIONS WILL RETURN WEDNESDAY AND THURSDAY... FOLLOWED BY A
STRONGER PACIFIC STORM SYSTEM ON FRIDAY AND SATURDAY...WITH SNOW
AND COLDER TEMPERATURES.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER WEATHER ADVISORY FROM 11 AM TUESDAY TO 5 AM MST WEDNESDAY
FOR WYZ112.
NE...NONE.
&&
UPDATE...HAHN
SHORT TERM...JAMSKI
LONG TERM...RUBIN
AVIATION...HAHN
FIRE WEATHER...JAMSKI/CLAYCOMBHAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 244 PM MST MON MAR 3 2014 WYZ101>119-042145- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 244 PM MST MON MAR 3 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT SUSTAINED WEST WINDS OF 20 TO 30 MPH WILL GUST TO 45 MPH AT TIMES THIS AFTERNOON AND TONIGHT...ESPECIALLY THROUGH THE ARLINGTON...ELK MOUNTAIN AND BORDEAUX AREAS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY RAIN AND SNOW WILL DEVELOP TUESDAY MORNING WEST OF THE LARAMIE RANGE AS A WEATHER DISTURBANCE MOVES ACROSS WYOMING. SNOW MAY BE HEAVY AT TIMES TUESDAY AFTERNOON AND EVENING ABOVE 8000 FEET...ESPECIALLY OVER THE SIERRA MADRE RANGE. RAIN AND SNOW WILL SPREAD ONTO THE PLAINS TUESDAY AFTERNOON AND CONTINUE TUESDAY NIGHT. SNOW ACCUMULATIONS OF AN INCH OR LESS ARE EXPECTED. ANOTHER PACIFIC STORM SYSTEM WILL MOVE EAST ACROSS WYOMING AND COLORADO FRIDAY...POSSIBLY BRINGING COLDER TEMPERATURES AND MORE SNOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED THROUGH TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-042145- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 244 PM MST MON MAR 3 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY RAIN AND SNOW WILL DEVELOP LATE TUESDAY AFTERNOON ACROSS WESTERN NEBRASKA...LIKELY CHANGING TO SNOW TUESDAY NIGHT OVER THE HIGHER RIDGES. SNOW ACCUMULATIONS OF AN INCH OR LESS ARE EXPECTED. ANOTHER PACIFIC STORM SYSTEM WILL MOVE EAST ACROSS WESTERN NEBRASKA FRIDAY...POSSIBLY BRINGING COLDER TEMPERATURES AND MORE SNOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED THROUGH TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE JAMSKI
The national radar mosaic for the moment the first event began.
5 winter weather. Local standard time, as filed.
The Divide Peak SNOTEL site estimated a half foot of snow.
The Cinnabar Park SNOTEL site estimated a half foot of snow.
The North French Creek SNOTEL site estimated 10 inches of snow.
The Brooklyn Lake SNOTEL site estimated 9 inches of snow.
The Sand Lake SNOTEL site estimated 8 inches of snow.
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, March 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: 513719, 513720, 513721, 513722, 513723.