A Pacific low pressure system moved across Wyoming and produced moderate to heavy snowfall and strong winds over the Snowy and Sierra Madre ranges. Snow accumulations were estimated between 6 and 12 inches, with as much as 20 inches above 10000 feet over the Snowy Range.
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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 Pacific low pressure system moved across Wyoming and produced moderate to heavy snowfall and strong winds over the Snowy and Sierra Madre ranges. Snow accumulations were estimated between 6 and 12 inches, with as much as 20 inches above 10000 feet over the Snowy Range.
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 26, 1:29 PM MST, 3 hours 31 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
229 PM MDT WED MAR 26 2014
.SHORT TERM...(THIS EVENING THROUGH FRIDAY NIGHT)
ISSUED AT 228 PM MDT WED MAR 26 2014
CLOUDINESS INCREASING ACROSS THE AREA THIS AFTERNOON AS MOISTURE
INCREASES ON SWLY FLOW ALOFT. NOT MUCH ON RADAR CURRENTLY BUT
EXPECT SOME UPTICK IN ACTIVITY LATE THIS AFTERNOON AS THE FIRST OF
SEVERAL IMPULSES MOVE ACROSS THE AREA. A FEW WEAK THUNDERSTORMS
STILL POSSIBLE BUT NOT TOO EXCITED ABOUT THEM. ACTIVITY SHOULD
DIMINISH LATER TONIGHT AS THE INITIAL WAVE PASSES TO THE EAST THEN
A SECOND SYSTEM WILL PASS ACROSS LATER THURSDAY BRINGING ANOTHER
ROUND OF ACTIVITY. STILL SOME DECENT SNOW POSSIBLE OVER THE HIGHER
MTNS THUS WILL MAINTAIN CURRENT WARNING. COLD FRONT WILL SLIP
SOUTH ACROSS THE CWA THIS EVENING WITH SEASONABLY COOL
TEMPERATURES HOLDING THROUGH FRIDAY. SCATTERED RAIN AND SNOW SHOWERS
WILL PERSIST THROUGH THURSDAY NIGHT...MAINLY OVER THE MTNS THEN
DRYING ON FRIDAY AS THE SECOND WAVE MOVES EAST OF THE CWA.
.LONG TERM...SATURDAY THROUGH WEDNESDAY)
ISSUED AT 228 PM MDT WED MAR 26 2014
SATURDAY...MILD DAY EXPECTED WITH DRY WEST SOUTHWEST FLOW ALOFT AND
SURFACE LEE TROUGHING FROM EASTERN MONTANA THROUGH NORTHEAST
COLORADO.
SUNDAY...PROGRESSIVE LOW AMPLITUDE SHORTWAVE TROUGH ALOFT MOVES
ACROSS OUR COUNTIES...WITH ASSOCIATED COLD FRONT ALSO QUICKLY
CROSSING...MAINLY NEAR PEAK HEATING...THUS STILL RELATIVELY MILD.
NOT A LOT OF MOISTURE FOR THIS WAVE TO WORK WITH...BUT ENOUGH FOR AT
LEAST ISOLATED TO SCATTERED SHOWERS AFTER COLD FRONTAL PASSAGE.
MONDAY...RIDGE ALOFT MOVES OVERHEAD...THUS DRY. WITH LARGE SURFACE
HIGH PRESSURE PREVAILING OVER THE PLAINS STATES...OUR COUNTIES WILL
SEE COOL UPSLOPE WINDS CONTINUING OVER THE EASTERN PLAINS...THUS
LIMITING THE WARMING TREND.
TUESDAY...NEXT PROGRESSIVE SHORTWAVE TROUGH ALOFT MOVES ACROSS THE
REGION...PUTTING OUR COUNTIES IN THE WARM SECTOR MUCH OF THE DAY...
THUS OUR CURRENT FORECAST MAXIMUM TEMPERATURES MAY INDEED BE TOO
COOL. DESPITE LIMITED MOISTURE...THERE SHOULD BE ENOUGH FOR AT LEAST
ISOLATED COVERAGE...MAINLY IN THE POST COLD FRONTAL AIRMASS.
WEDNESDAY...COOLER...BREEZY AND UNSETTLED IN THE WAKE OF THE
SHORTWAVE TROUGH PASSAGE AND WITH CYCLONIC FLOW ALOFT. HIGHEST
PRECIPITATION CHANCES WILL BE FROM DOUGLAS TO LUSK TO CHADRON IN THE
FAVORED UPSLOPE LOCATIONS WITH NORTH TO NORTHWEST LOW LEVEL WINDS.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z THURSDAY MORNING)
ISSUED AT 1126 AM MDT WED MAR 26 2014
VFR THIS AFTERNOON. COLD FRONT MOVES ACROSS THE SITES THIS EVENING
WITH ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS PRODUCING
LOCALIZED MVFR...THEN SCATTERED TO NUMEROUS SHOWERS LATE TONIGHT
PRODUCING MVFR AND LOCALIZED IFR. DECREASING SHOWER COVERAGE
THURSDAY MORNING WITH IMPROVING CEILINGS AND VISIBILITIES.
MOUNTAINS OBSCURED TONIGHT.
&&
.FIRE WEATHER...
ISSUED AT 228 PM MDT WED MAR 26 2014
NO CONCERNS ANTICIPATED THROUGH THE WEEKEND WITH WEATHER FACTORS
EXPECTED TO BE NON-CRITICAL OVERALL. WINDS WILL INCREASE ON SUNDAY
AND BE WINDY IN SOME AREAS BUT MIN RHS EXPECTED TO STAY ABOVE
CRITICAL LEVELS.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 6 AM MDT FRIDAY
FOR WYZ112-114.
NE...NONE.
&&
SHORT TERM...RE
LONG TERM...RUBIN
AVIATION...RUBIN
FIRE WEATHER...REHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 559 PM MDT WED MAR 26 2014 WYZ101>119-280000- 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- 559 PM MDT WED MAR 26 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT A COLD FRONT WILL MOVE ACROSS THE REGION THIS EVENING. RAIN WILL CHANGE OVER TO SNOW LATE THIS EVENING AND ACCUMULATIONS ACROSS LOWER ELEVATIONS WILL GENERALLY BE LESS THAN AN INCH. HEAVY SNOW IS EXPECTED ACROSS THE SIERRA MADRE AND SNOWY RANGES THROUGH THURSDAY NIGHT AND WINTER STORM WARNINGS ARE IN EFFECT FOR THESE AREAS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SNOW WILL CONTINUE IN THE SNOWY AND SIERRA MADRE RANGES THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-280000- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 559 PM MDT WED MAR 26 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TONIGHT A COLD FRONT WILL MOVE ACROSS THE REGION THIS EVENING. RAIN WILL CHANGE OVER TO SNOW AFTER MIDNIGHT AND ACCUMULATIONS ACROSS LOWER ELEVATIONS WILL GENERALLY BE LESS THAN AN INCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE FINCH
The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
The North French Creek SNOTEL site (elevation 10130 ft) estimated 20 inches of snow.
The Medicine Bow SNOTEL site (elevation 10510 ft) estimated 13 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: 506086, 506089.