A large upper level system strengthened as it propagated from the Rockies east into Kansas. As a result, strong northerly winds were observed across the plains, with winds of 30 to 40 mph and gusts to around 60 to 70 mph occurring through much of the the day.
Every event with a place to put it; 9 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 PUB wrote it up.
A large upper level system strengthened as it propagated from the Rockies east into Kansas. As a result, strong northerly winds were observed across the plains, with winds of 30 to 40 mph and gusts to around 60 to 70 mph occurring through much of the the day.
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 Pueblo, CO wrote its last area forecast discussion before the first event at Jun 8, 10:21 PM MST, 42 minutes earlier.
Area Forecast Discussion National Weather Service Pueblo CO 1121 PM MDT Mon Jun 8 2020 .UPDATE... Issued at 1102 PM MDT Mon Jun 8 2020 Updated to end Red Flag Warning for the plains, as RH has come up, even ahead of the front. Also made some adjustments to winds/temps and RH on the plains to account for rapid southward progress of the frontal boundary. UPDATE Issued at 1020 PM MDT Mon Jun 8 2020 Cold front rapidly moving through the plains this evening, with fropa at KPUB about 1015 pm and expected at KLHX by 1030 pm. Given 35 knot southward movement of the boundary, have started the High Wind Warning for all of the southeast plains with this update. UPDATE Issued at 901 PM MDT Mon Jun 8 2020 Let Red Flag Warning for areas west of I-25 and El Paso County expire on schedule. Still windy in spots but humidity was above 15 percent most areas. Remaining Red Flag looks good until 11 pm, though strong winds have become more sporadic since sunset. Nrn Front Range convection has appeared to give surface front a boost southward, with wind shift and gusty north winds already into nrn El Paso County as of 9 pm. Start time of the High Wind Warning still looks good, but did advance the timing of the wind shift across the plains and I-25 corridor by an hour or two. && .SHORT TERM...(This evening through Tuesday) Issued at 353 PM MDT Mon Jun 8 2020 ...Myriad of highlights over the next 24 hours encompassing the gamut from Fire Weather to High Wind and Winter Weather concerns... Potent upper trough across the Great Basin will deepen into a closed low across eastern Colorado by early Tuesday morning before pushing into western Kansas by mid day Tuesday. Ahead of the system today...gusty southwest winds have spread in across the mountains, valleys, and southern portions of the southeast plains. Starting to see a vigorous smoke plume in satellite and even radar from the Deer Canyon Fire in southeast Las Animas County. Winds have been lighter and out of the east to southeast across the plains along and north of the Arkansas River valley...north of the frontal boundary which made a stronger push into southeast CO early this morning. However even here, winds and RH have met Red Flag Criteria. Boundary marking the northern edge of the frontal boundary is still making a northward push across the plains in should see southwest winds spread northward across a larger portion of the southeast plains through the evening hours. Will maintain current suite of Red Flag Warnings across all of southern CO. Area which could come up short of meeting critical fire weather parameters would be Kiowa county, but its too soon to throw in the towel just yet. As the upper trough approaches this evening...should see precipitation move into the Continental Divide region with a strong cold front dropping southward through the southeast plains between 03z and 10z. Strong north winds behind the front will spread southward affecting locations along and north of highway 50 initially before spreading southward across the remainder of the southeast plains towards 4 AM. High res models show wind gusts in excess of 65 to 70 mph across portions of eastern El Paso county around midnight. Have expanded high wind warnings to include Pueblo county as well...though strongest winds may stay across northern and eastern portions of the county initially. As system wraps up across southeast CO...precipitation will pull around the west side of the system bringing a good chance for a wetting rain to much of the southeast plains. This is in stark contrast to previous runs which were slower with the strengthening of the system. Have made some wholesale changes to the forecast package to increase pops considerably across much of the area. Its a cold system with snow levels likely to drop to 7500 feet overnight given rather low wetbulb zeros. Any accumulations will generally be confined to above 8500 feet with advisory level amounts possible above 10kft across the Sawatch/Mosquito ranges as well as the higher elevations of Pikes Peak. These areas could see 3 to 6 inches of wind driven snow through 15z (9AM) Tuesday morning. The Palmer Divide could see a wet inch or so on the grass at any given time...but given the warm ground impacts on road surfaces should negligible...other than wet road surfaces. System will exit eastern CO during the day Tuesday with showers coming to an end during the afternoon. Main concern will be the wind as wrapped up system pulls 60-70 kts around the west side of the low pressure system. High winds will decrease along the I-25 corridor by noon but continue across the far eastern plains until 6 PM. Other area of concern will be the San Luis Valley where gusty northwest winds, minimal expected precipitation, and plummeting dew points during the afternoon will bring a return of critical fire weather conditions. Have upgraded the Fire Weather Watch to a Red Flag Warning for this area...but have dropped the watch for Fremont, and the southern I-25 corridor zones where higher humidities, and the possibility of precipitation should mitigate the threat sufficiently. -KT .LONG TERM...(Tuesday night through Monday) Issued at 353 PM MDT Mon Jun 8 2020 Tuesday night through Thursday...As the upper low continues to pull away to the east across Kansas Tue night, strong n-nw winds across the eastern plains are expected to diminish quickly and the planned ending time of the Red Flag for the San Luis Valley at 8 pm looks good. In addition, cooler air in place at the lower levels will allow overnight low temps to drop into the 30s for the high valleys, and 40s across the plains. Relaxed w-nw flow aloft will then settle in across the region for Wed and Thu as a ridge of high pressure over the Great Basin and Four Corners begins to take shape. Expect dry conditions, with max temps on Wed in the 70s for the high valleys and lower 70s to lower 80s for the plains. The mercury increases for Thu, with highs in the mid 70s to around 80F for the high valleys, and 80s to around 90F for the plains. Friday through Monday...The upper high pressure ridge amplifies and edges to the east across the state over the weekend and into Mon, as another low pressure system slides across the Pacific NW and the northern Rockies. This will mean a return of afternoon and evening showers and thunderstorms each day, mainly tied to the higher terrain, as the flow aloft becomes southwest and draws some moisture back up into the western half of Colorado. In addition, the heat returns as temps climb into the upper 70s to lower 80s for the high valleys, and mid 80s to mid 90s for the plains. Moore && .AVIATION...(For the 06Z TAFS through 06Z Tuesday night) Issued at 1121 PM MDT Mon Jun 8 2020 VFR conditions are expected over KALS, KCOS, and KPUB throughout the forecast period. Very gusty northerly winds are currently occuring over KPUB and KCOS, and is expected to last through the majority of the forecast period. KALS will become gust as the afternoon encroaches. Blowing dust is possible over all forecast points, which would lower visibility. KCOS has the best chance at getting rainfall, but KPUB and KALS will have showers in the vicinity, if a shower develops over any of the forecast points, low flight categories are possible due lower visibility. && .PUB WATCHES/WARNINGS/ADVISORIES... High Wind Warning until 6 PM MDT Tuesday for COZ089-093>099. Winter Weather Advisory until 9 AM MDT Tuesday for COZ058-060. Red Flag Warning from noon to 8 PM MDT Tuesday for COZ224. High Wind Warning until noon MDT Tuesday for COZ084>086. Winter Weather Advisory until 9 AM MDT Tuesday for COZ082. && UPDATE...PETERSEN SHORT TERM...KT LONG TERM...MOORE AVIATION...SKELLY
Hazardous Weather Outlook National Weather Service Pueblo CO 1113 PM MDT Mon Jun 8 2020 COZ058>089-093>099-100515- Western Mosquito Range/East Lake County Above 11000 Feet- Leadville Vicinity/Lake County Below 11000 Feet- Eastern Sawatch Mountains Above 11000 Feet- Western Chaffee County Between 9000 and 11000 Feet- Central Chaffee County Below 9000 Feet- Western Mosquito Range/East Chaffee County Above 9000 Feet- Saguache County West of Continental Divide Below 10000 Feet- Saguache County East of Continental Divide Below 10000 Feet- La Garita Mountains Above 10000 Feet- Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet-Eastern San Juan Mountains Above 10000 Feet- Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet- Alamosa Vicinity/Central San Luis Valley Below 8500 Feet- Southern San Luis Valley- Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet- Northern Sangre de Cristo Mountains Above 11000 Feet- Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet- Southern Sangre de Cristo Mountains Above 11000 Feet- Northwestern Fremont County Above 8500 Feet- Western/Central Fremont County Below 8500 Feet- Wet Mountain Valley Below 8500 Feet- Wet Mountains between 6300 and 10000 Feet- Wet Mountains Above 10000 Feet- Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between 7500 And 11000 Feet-Pikes Peak Above 11000 Feet- Canon City Vicinity/Eastern Fremont County- Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet- Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet- Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet- Trinidad Vicinity/Western Las Animas County Below 7500 Feet- Crowley County-La Junta Vicinity/Otero County- Eastern Las Animas County-Western Kiowa County- Eastern Kiowa County-Las Animas Vicinity/Bent County- Lamar Vicinity/Prowers County-Springfield Vicinity/Baca County- 1113 PM MDT Mon Jun 8 2020 This hazardous weather outlook is for portions of central...east central...south central and southeast Colorado. .DAY ONE...Tonight A strong cold front will move through the southeast plains tonight, bringing north winds gusting up to 65 mph across much of the area along and east of the Interstate 25 corridor into early Tuesday morning. Accumulating snow is expected tonight for the central mountains and Teller County, where 3 to 6 inches of accumulation is likely over the higher peaks. There is also a chance for an inch or two of snow over the Palmer Divide tonight, though the warm ground should limit accumulations to grassy surfaces. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday North winds, gusting to 55 to 65 mph, are expected across parts of the eastern plains Tuesday. Critical fire weather conditions will also once again be possible Tuesday, mainly for the San Luis Valley and parts of the I-25 corridor, with these gusty north winds and drier air moving back into the region. Thunderstorm chances return to the region on Friday, with afternoon and evening thunderstorm chances expected into the weekend. .SPOTTER INFORMATION STATEMENT... Weather conditions that meet reporting criteria for spotters will be possible tonight in the central mountains and Teller County for snow, and over the Interstate 25 corridor and the southeast plains for strong gusty winds. 10/27
The national radar mosaic for the moment the first event began.
9 high wind. Local standard time, as filed.
Pueblo Airport.
Lamar airport.
Springfield airport.
Lamar airport.
Lamar airport.
Springfield airport.
Springfield airport.
Springfield airport.
Springfield airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2020Every state in 2020This day in weather historyWarnings in Colorado, June 2020
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: 905848, 905857, 906101, 906102, 906103, 906104, 906106, 906107, 906108.