A brief period of high sustained winds developed in Morrill and Cheyenne counties in western Nebraska.
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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 brief period of high sustained winds developed in Morrill and Cheyenne counties in western Nebraska.
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 6, 2:04 AM MST, 8 hours 21 minutes earlier.
Area Forecast Discussion National Weather Service Cheyenne WY 204 AM MST Tue Mar 6 2018 .SHORT TERM...(Today through Thursday) Issued at 200 AM MST Tue Mar 6 2018 Water vapor loop showed the powerhouse upper low centered over northwest IA, with strong northwest flow aloft dominating the CWA. A surface front extended from central MT through northeast WY and southern NE. Northwest winds were still gusty, but not as strong as last evening. Temperatures ranged from the lower teens to mid 20s, with wind chills from 0 to -10. Forecast concern for today will be windy conditions along and east of I-25. Upper level speed max will swing southeast across the eastern plains this morning, with 50-55 kt 700mb winds along our eastern CWA border. MOS sustained winds have been trending a bit lower with recent model runs, with SNY NW33 kt at 18Z. Looking at peak gusts of 45-48 kt along the I-80 corridor from Kimball to Sidney between 15Z and 21Z today. Decided not to issue a High Wind Warning at this time, but day shift should closely monitor wind speed trends later this morning. Otherwise, it will be a cool and dry day with high temperatures in the 30s to around 40. Dry and warmer weather prevails Wednesday and Thursday as a large scale ridge dominates the western CONUS. Above average temperatures are predicted, with highs 30s and 40s Wednesday moderating to the 50s to mid 60s Thursday. It will be breezy across southeast WY, especially Thursday with gusts to 40 mph along and west of the Laramie Range. .LONG TERM...(Thursday night through Monday) Issued at 200 AM MST Tue Mar 6 2018 Generally dry and mild weather will prevail across the CWA during this period with upper ridging being the predominant weather feature over the region. There will be one upper shortwave that will pass across on Saturday that will bring cooler temperatures over the weekend along with some snow showers Saturday, mainly over the higher mtns. && .AVIATION...(For the 12Z TAFS through 12Z Wednesday morning) Issued at 200 AM MST Tue Mar 6 2018 VFR expected over all terminals through the period. There will be some gusty northwest winds late this morning through this afternoon east of the mtns, with gusts over 40 kt mainly from KCYS to KSNY. && .FIRE WEATHER... Issued at 200 AM MST Tue Mar 6 2018 It will be windy today for areas along and east of Interstate 25 due to a tight pressure gradient and strong northwest winds aloft. Cooler than normal temperatures today will be replaced by warmer than normal temperatures Wednesday through Friday, along with breezy westerly winds. Elevated fire weather conditions due to low humidity and gusty winds can be expected Thursday for the southeast Wyoming plains. A Pacific cold front will bring cooler temperatures and widely scattered mountain snow showers Friday night and Saturday. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...None. NE...None. && SHORT TERM...MAJ LONG TERM...RE AVIATION...RE FIRE WEATHER...MAJ
Hazardous Weather Outlook National Weather Service Cheyenne WY 314 AM MST Tue Mar 6 2018 NEZ002-003-019-095-096-WYZ101>119-071100- Dawes-Box Butte-Scotts Bluff-North Sioux-South Sioux- 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- 314 AM MST Tue Mar 6 2018 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be needed. NEZ020-021-054-055-071100- Banner-Morrill-Kimball-Cheyenne- 314 AM MST Tue Mar 6 2018 This hazardous weather outlook is for portions of western Nebraska. .DAY ONE...TODAY AND TONIGHT Gusty northwest winds are expected mainly late this morning through this afternoon. Some gusts over 50 mph are likely. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be needed.
The national radar mosaic for the moment the first event began.
3 high wind. Local standard time, as filed.
The wind sensor at the Cheyenne Airport measured sustained winds of 40 mph or higher.
The UPR sensor southeast of Bridgeport measured sustained winds of 40 mph or higher.
The UPR sensor near Lisco measured sustained winds of 40 mph or higher.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2018Every state in 2018This day in weather historyWarnings in Nebraska, March 2018
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: 747779, 747776, 747775.