High winds returned to southeast Wyoming with the strongest winds reported over parts of Carbon, Platte and Laramie counties.
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.
High winds returned to southeast Wyoming with the strongest winds reported over parts of Carbon, Platte and Laramie counties.
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 Jan 7, 3:30 AM MST, 7 hours 30 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
330 AM MST SUN JAN 7 2007
.SHORT TERM...WINDS WILL AGAIN BE THE MAIN PART OF THE FORECAST
AGAIN TODAY. WINDS ALOFT HAVE DIMINISHED AS THE HEIGHTS ALOFT HAVE
RISEN SOME SINCE THE LATE AFTERNOON. IN ADDITION...THE SURFACE
PRESSURE GRADIENTS HAVE RELAXED SINCE THAT TIME. STILL WINDS ARE
GUSTING TO AROUND 30 MPH WHICH IS DOWN FROM THIS EVENING AND AREAS
OF BLOWING AND DRIFTING SNOW PERSIST. THE WINDS WILL INCREASE LATER
TODAY IN ADVANCE OF THE SHORTWAVE TROUGH NOW MOVING INTO BRITISH
COLUMBIA AS WINDS ALOFT AND SURFACE PRESSURE GRADIENTS AGAIN
INCREASE. MODELS CONTINUE TO SHOW MUCH OF THE CWA ON THE
ANTICYCLONIC SIDE OF THE 300 MB JET LATER TONIGHT AND MONDAY.
DURING THAT TIME THE 700 MB WINDS INCREASE TO 60 TO 70 KNOTS AND THE
700 MB HEIGHT DIFFERENCE BETWEEN KCAG AND KCPR INCREASE TO AROUND
100 METERS. WILL GO AHEAD AND UPGRADE THE HIGH WIND WATCH TO A HIGH
WIND WARNING FOR ALL OF SOUTHEAST WYOMING LATE THIS AFTERNOON AND
EXTEND IT THROUGH MONDAY. FOR THE WESTERN NEBRASKA PANHANDLE THE
HIGH WIND WARNING WILL BE FROM 06Z THROUGH MONDAY. THE STRONG WINDS
WILL CONTINUE TO PRODUCE BLOWING AND DRIFTING SNOW IN MANY AREAS
THROUGH MONDAY. THE FAST NORTHWEST FLOW ALOFT WILL ALSO PRODUCE
OROGRAPHIC SNOW FOR THE SNOWY AND SIERRA MADRE RANGES. NEW AMOUNTS
WILL BE BETWEEN 3 AND 6 INCHES THROUGH MONDAY. HEIGHTS ALOFT RISE
AND SURFACE HIGH PRESSURE BUILDS OVER THE CWA MONDAY NIGHT FOR A
DECREASE IN THE WINDS...CLOUDS AND OROGRAPHIC SNOW.
LONG TERM...THE FLOW ALOFT WILL BECOME WEST TUES AS AN UPPER TROUGH
MOVES INTO THE PAC NW. BRISK DOWNSLOPE WINDS WILL OCCUR AT THE
SURFACE...RESULTING IN DRY AND MILD CONDITIONS. THESE CONDITIONS
WILL CONTINUE INTO WED AS THE FLOW ALOFT BECOMES SW. THE UPPER
TROUGH AXIS WILL EXTEND FROM AN UPPER LOW OVER SOUTHERN CANADA NEAR
LAKE WINNIPEG TO OREGON. A COLD FRONT WILL MOVE ACROSS THE CWA WED
NIGHT. LOW AND MID LEVEL MOISTURE WILL INCREASE BEHIND THE FRONT
ALONG WITH UPSLOPE WINDS...RESULTING IN A CHANCE OF SNOW FOR THE
AREA. SNOW WILL CONTINUE TO FALL ACROSS THE FORECAST AREA THUR AND
FRI AS A LARGE UPPER LOW FORMS OVER THE NORTHERN ROCKIES AND GREAT
BASIN. UPSLOPE WINDS AND DEEP MOISTURE WILL BE OVER THE CWA AT THIS
TIME. WINTER WEATHER HIGHLIGHTS MAY BE NEEDED DURING THIS TIME.
HIGH TEMPERATURES WILL BE FROM 7 TO 10 DEGREES ABOVE NORMAL TUE AND
WED...THEN 10 TO 15 DEGREES BELOW NORMAL FOR THUR THROUGH SAT.
&&
.AVIATION...WEST TO NORTHWEST WINDS WILL INCREASE AFTER 22Z OVER
ALL ROUTES AND WILL PRODUCE CONSIDERABLE MECHANICAL TURBULENCE AND
MOUNTAIN WAVE ACTIVITY. THAT SAME FLOW WILL PRODUCE MOUNTAIN SNOW
AND OBSCUREMENT ABOVE 8500 FEET AGL THROUGH MONDAY. OVER THE REST
OF THE CWA...VFR CONDITIONS SHOULD PREVAIL WITH A CEILING TONIGHT
AND MONDAY BETWEEN 5 AND 10 THOUSAND FEET AGL AT MOST AIRPORTS.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WARNING LATE THIS AFTERNOON THROUGH MONDAY FOR ALL OF
SOUTHEAST WYOMING. ZNS 59>70.
NE...HIGH WIND WARNING FROM MIDNIGHT THROUGH MONDAY FOR THE WESTERN
NEBRASKA PANHANDLE. ZONES 1>3..19>21..54..55.
&&
WEILAND/KMDHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 527 AM MST SUN JAN 7 2007 NEZ001>003-019>021-054-055-081230- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE- 527 AM MST SUN JAN 7 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING IS IN EFFECT FOR THE WESTERN NEBRASKA PANHANDLE STARTING AT 11 PM TONIGHT. NORTHWEST WINDS WILL BE SUSTAINED AT 35 TO 45 MPH...WITH GUSTS TO 60 MPH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A HIGH WIND WARNING IS IN EFFECT UNTIL 5 PM MONDAY. NORTHWEST WINDS WILL BE SUSTAINED AT 35 TO 45 MPH...WITH GUSTS UP TO 60 MPH. THERE IS A CHANCE OF SNOW WEDNESDAY NIGHT THROUGH SATURDAY MORNING. SIGNIFICANT SNOW IS POSSIBLE WITH THIS STORM SYSTEM AND WINTER WEATHER HIGHLIGHTS MAY BE ISSUED. PEOPLE PLANNING TRAVEL OR OUTDOOR ACTIVITIES SHOULD LISTEN TO THE LATEST FORECAST AND UPDATES ON THIS APPROACHING STORM SYSTEM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ059>070-081230- CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE-PLATTE-GOSHEN- CHEYENNE FOOTHILLS-PINE BLUFFS- 527 AM MST SUN JAN 7 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT A HIGH WIND WARNING IS IN EFFECT FOR ALL OF SOUTHEAST WYOMING STARTING AT 3 PM THIS AFTERNOON AND CONTINUING THROUGH TONIGHT. WEST WINDS WILL BE SUSTAINED AT 40 TO 50 MPH ACROSS THE AREA...WITH GUSTS TO 65 MPH. GUSTS IN THE MOUNTAINS WILL BE UP TO 75 MPH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A HIGH WIND WARNING IS IN EFFECT UNTIL 5 PM MONDAY. WEST WINDS OF 40 TO 50 MPH WILL CONTINUE ACROSS THE AREA. GUSTS AT THE LOWER ELEVATIONS WILL BE UP TO 65 MPH...WITH 75 MPH GUSTS LIKELY IN THE MOUNTAINS. THERE IS A CHANCE OF SNOW FROM WEDNESDAY NIGHT THROUGH SATURDAY MORNING. SIGNIFICANT SNOW IS POSSIBLE WITH THIS STORM SYSTEM. PEOPLE PLANNING TRAVEL OR OUTDOOR ACTIVITIES SHOULD LISTEN TO THE LATEST FORECASTS AND UPDATES ON THIS APPROACHING STORM SYSTEM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
3 high wind. Local standard time, as filed.
Winds of 60 to 70 mph with a peak gust of 80 mph on Interstate 25 at the Bordeaux exit.
Wind gusts from 65 to 75 mph recorded on Interstate 80 near Arlington, WY. for much of the time with a peak gust of 87 mph.
Measured gust of 62 mph in Cheyenne. Strong winds blew over a tractor-trailer truck on Interstate 25 just southwest of Cheyenne.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2007Every state in 2007This day in weather historyWarnings in Wyoming, January 2007
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: 6414, 6418, 6416.