A prolonged period of strong and gusty gap winds affected the wind prone areas of southeast Wyoming.
Every event with a place to put it; 19 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 prolonged period of strong and gusty gap winds affected the wind prone areas of southeast Wyoming.
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 Dec 14, 3:44 AM MST, 6 hours 37 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
344 AM MST SAT DEC 14 2013
.SHORT TERM...(TODAY THROUGH MONDAY)
ISSUED AT 300 AM MST SAT DEC 14 2013
TODAY...OUR FLOW ALOFT BACKS FROM NORTH NORTHWEST...TO NORTHWEST
WITH 500 MB HEIGHTS RISING SOME 60 METERS. AFTER A MINIMUM OF CLOUD
COVER OPACITY THIS MORNING...WILL SEE INCREASING MIDDLE AND HIGH
CLOUDINESS THIS AFTERNOON IN ADVANCE OF AN APPROACHING SHORTWAVE
TROUGH. WILL ALSO SEE GUSTY WEST WINDS THIS AFTERNOON...PRIMARILY
OVER NORTHERN CARBON COUNTY AND FROM THE NORTHERN LARAMIE RANGE TO
SOUTHWEST PLATTE COUNTY NEAR BORDEAUX. CLOUD COVER WILL KEEP
RELATIVELY COLDER AIR TRAPPED IN THE WESTERN VALLEY WEST OF
INTERSTATE 25.
TONIGHT...CHALLENGE WILL BE WINDS. INCOMING POSITIVELY TILTED...
PROGRESSIVE AND LOW AMPLITUDE SHORTWAVE TROUGH MOVES TO A CHEYENNE
TO RAPID CITY TO WILLISTON LINE LATE. BASED ON PROJECTED SURFACE TO
700 MB ISOTACHS...A 50 TO 60 KNOT 500 MB JETLET LATE...AND
SUBSIDENCE IN THE WAKE OF THE SHORTWAVE...AS WELL AS CRAIG TO CASPER
850 MB GRADIENTS EXCEEDING 60 METERS...WILL HOIST A HIGH WIND WATCH
FOR OUR WIND PRONE LOCALES OF ARLINGTON...BORDEAUX...VEDAUWOO AND
WESTERN LARAMIE COUNTY FOOTHILLS WEST OF CHEYENNE. DECENT LOW LEVEL
MIXING WILL PRODUCE LOCALLY WARMER MINIMA TO THE LEE OF THE LARAMIE
RANGE FROM WHEATLAND TO CHEYENNE. SCATTERED TO NUMEROUS OROGRAPHIC
SNOW SHOWERS WITH THE PASSING SHORTWAVE TROUGH OVER THE SNOWY AND
SIERRA MADRE RANGES AFTER MIDNIGHT...DRY ELSEWHERE.
SUNDAY...DECENT WARMING TREND ON TAP AS THE FLOW ALOFT BACKS
SLIGHTLY AND HEIGHTS AND THICKNESSES RISE ACCORDINGLY...ALONG WITH
LIMITED CLOUD COVER. EXPECT TO SEE NUMEROUS HIGHS IN THE LOWER 50S
EAST OF INTERSTATE 25...WITH WARMING NOTED DUE TO KATABATIC WARMING
CHINOOK WINDS.
SUNDAY NIGHT...WILL NEED TO WATCH INCREASING LOW AND MID LEVEL
GRADIENTS WHICH MAY NECESSITATE THE ISSUANCE OF ANOTHER HIGH WIND
WATCH FOR WIND PRONE LOCALES. DRY AND WINDY PER PROGGED GRADIENTS...
AGAIN PRODUCING ANOTHER RELATIVELY MILD NIGHT TO THE LEE OF THE
LARAMIE RANGE.
MONDAY...SLIGHTLY COOLER IN MOST LOCATIONS DUE TO INCREASED OPACITY
OF MIDDLE AND HIGH CLOUDS AHEAD OF THE NEXT SHORTWAVE TROUGH. WINDY
DAY PER PROGGED LOW AND MID LEVEL GRADIENTS...ESPECIALLY TO THE LEE
OF THE SOUTHERN LARAMIE RANGE. LITTLE CHANGE IN MAXIMUM TEMPERATURES
FROM SUNDAY TO MONDAY.
.LONG TERM...(MONDAY NIGHT THROUGH FRIDAY)
ISSUED AT 255 AM MST SAT DEC 14 2013
FAST NORTHWEST FLOW ALOFT EXTENDS INTO THE EARLY PART OF THE LONG
RANGE PERIOD WITH GUSTY WEST WINDS OVER AND NEAR THE MOUNTAINS.
DOWNSLOPE WIND LEE OF THE LARAMIE RANGE WILL PROMOTE UNSEASONABLY
MILD TEMPERATURES WITH HIGHS IN THE LOW AND MID 50S. THE GRADIENT
RELAXES WEDNESDAY AS WEAK RIDGING ALOFT MOVES ACROSS THE CWA. UPPER
TROUGH DIGS SOUTHEAST FROM THE GULF OF ALASKA INTO THE GREAT BASIN
THURSDAY WITH WINDS ALOFT BACKING TO SOUTHWEST. PACIFIC MOISTURE
SPREADS SOUTHEAST INTO THE REGION BEHIND A STRONG COLD FRONT. THE
ECMWF IS STILL TRENDING SLIGHTLY FASTER THEN THE GFS WITH THE COLD
FRONTAL PASSAGE THURSDAY. TEMPERATURES WILL BE FALLING THROUGHOUT
THE DAY FOLLOWING THE COLD FRONT. NORTH TO NORTHEAST UPSLOPE WILL
ENHANCE PRECIPITATION...MAINLY IN THE FORM OF SNOW...THURSDAY
THROUGH FRIDAY. EXACT AMOUNTS UNCERTAIN THIS FAR OUT...BUT LOOKS
LIKE LIGHT TO MODERATE ACCUMULATIONS. COLD AIR ADVECTION AND 700
MB TEMPERATURES FALLING TO AROUND -20C WILL KEEP HIGH TEMPERATURES
FRIDAY IN THE SINGLE DIGITS AND TEENS.
&&
.AVIATION...(FOR THE 12Z TAFS THROUGH 12Z SUNDAY MORNING)
ISSUED AT 300 AM MST SAT DEC 14 2013
EXPECT OCCASIONAL VFR CIGS BETWEEN 4000 AND 8000 FT AGL EARLY
THIS MORNING BEFORE SCATTERING TO 10000 FT OR HIGHER. THERE MAY
BE A BRIEF PERIOD OF MVFR CIGS...ESPECIALLY ACROSS THE NEBRASKA
PANHANDLE WEST SURFACE WINDS WILL BECOME RATHER GUSTY TODAY...
ESPECIALLY ALONG AND WEST OF THE LARAMIE RANGE.
.FIRE WEATHER...
ISSUED AT 300 AM MST SAT DEC 14 2013
MINIMAL FIRE WEATHER CONCERNS EXPECTED AS HUMIDITIES REMAIN ABOVE
CRITICAL THRESHOLDS.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WATCH FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR
WYZ106-110-116-117.
NE...NONE.
&&
SHORT TERM...RUBIN
LONG TERM...JAMSKI
AVIATION...JAMSKI
FIRE WEATHER...RUBINHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 442 AM MST SAT DEC 14 2013 WYZ101>119-151145- 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- 442 AM MST SAT DEC 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT WEST WINDS WILL INCREASE THIS AFTERNOON AND TONIGHT. GUSTS OF 55 TO 60 MPH WILL OCCUR THROUGH THE WIND PRONE LOCATIONS OF ARLINGTON...VEDAUWOO AND BORDEAUX LATER TONIGHT. A HIGH WIND WARNING BECOMES EFFECTIVE AT 1 AM MST. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY STRONG AND GUSTY WEST WINDS WILL CONTINUE SUNDAY AND MONDAY FOR THE WIND PRONE LOCATIONS. A POTENT UPPER LEVEL STORM AND STRONG COLD FRONT WILL BRING MUCH COLDER TEMPERATURES AND A CHANCE OF ACCUMULATING SNOW THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-151145- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 442 AM MST SAT DEC 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A POTENT UPPER LEVEL STORM AND STRONG COLD FRONT WILL BRING MUCH COLDER TEMPERATURES AND A CHANCE OF ACCUMULATING SNOW THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND 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.
19 high wind. Local standard time, as filed.
The WYDOT sensor at Foote Creek measured sustained winds of 40 mph or higher, with a peak gust of 58 mph at 14/1501 MST.
The WYDOT sensor at Arlington measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 15/0256 MST.
The WYDOT sensor at Buford East measured sustained winds of 40 mph or higher, with a peak gust of 58 mph at 14/2301 MST.
The WYDOT sensor at Halleck Ridge measured sustained winds of 40 mph or higher.
The WYDOT sensor at Otto measured sustained winds of 40 mph or higher, with a peak gust of 68 mph at 15/0430 MST.
The WYDOT sensor at Interstate 80 mile marker 353 measured sustained winds of 40 mph or higher, with a peak gust of 62 mph at 15/0000 MST.
The WYDOT sensor at Wyoming Hill measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 15/0056 MST.
The WYDOT sensor at Wagonhound measured sustained winds of 40 mph or higher.
The WYDOT sensor at Foote Creek measured sustained winds of 40 mph or higher, with a peak gust of 62 mph at 15/0406 MST.
The WYDOT sensor at Buford East measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 15/0356 MST.
The WYDOT sensor at Arlington East measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 15/0431 MST.
The WYDOT sensor at Vedauwoo measured sustained winds of 40 mph or higher.
The WYDOT sensor at Lone Tree measured sustained winds of 40 mph or higher.
The WYDOT sensor at Remount measured sustained winds of 40 mph.
The WYDOT sensor at County Road 402 near Elk Mountain measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 15/0851 MST.
The WYDOT sensor at Wagonhound measured sustained winds of 40 mph or higher.
The WYDOT sensor at Bordeaux measured sustained winds of 40 mph or higher, with a peak gust of 65 mph at 15/1141 MST.
The WYDOT sensor at Cooper Cove measured sustained winds of 40 mph or higher, with a peak gust of 61 mph at 15/1310 MST.
The WYDOT sensor at Quealy Dome measured sustained winds of 40 mph or higher, with a peak gust of 59 mph at 16/1301 MST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2013Every state in 2013This day in weather historyWarnings in Wyoming, December 2013
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: 493539, 493201, 493545, 493541, 493551, 493550, 493552, 493542, 493540, 493546, 493202, 493549, 493547, 493548, 493538, 493543, 493204, 493203, 493544.