Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 57, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 1, 2019, 3:53 PM MDT for Box Butte County, Dawes County, Sioux County, Nebraska. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 1, 2019, 3:53 PM MDT (21:53 UTC)
- Expired
- Jun 1, 2019, 4:45 PM MDT
- In force
- 52 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Box Butte County, NE, Dawes County, NE, Sioux County, NE
The radar
The Rapid City radar (KUDX), 188 km from the middle of the area, began a volume at 21:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.9 hours before the alert went out and 290 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1243 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jun 1, 2:57 PM MDT, 56 minutes earlier.
Area forecast discussion, Jun 1, 2:57 PM MDT, 56 minutes before
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</html>Hazardous weather outlook, Jun 1, 2:19 PM MDT, 1 hour 34 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 219 PM MDT Sat Jun 1 2019 NEZ019>021-054-055-096-WYZ106>108-116>119-022030- Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-South Sioux- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-South Laramie Range- South Laramie Range Foothills-Central Laramie County- East Laramie County- 219 PM MDT Sat Jun 1 2019 This hazardous weather outlook is for portions of western Nebraska and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Thunderstorms are likely with a few severe storms possible. Hail up to quarter size is the main threat. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY Severe storms are expected tomorrow afternoon with the main threats being large hail and damaging winds. Hail could be up to tennis ball size in stronger storms. .Spotter information statement... Spotter activation will be needed Sunday afternoon and evening. NEZ002-003-095-WYZ101>103-115-022030- Dawes-Box Butte-North Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range-Laramie Valley- 219 PM MDT Sat Jun 1 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT A few thunderstorms are possible this afternoon. Severe threat is low but cannot be ruled out completely. Main concern is hail up to quarter size. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY Severe thunderstorms are expected Sunday afternoon with the main threats being large hail and damaging winds. Hail up to tennis ball size is possible. .Spotter information statement... Spotter activation will be needed Sunday afternoon and evening. WYZ104-105-109>114-022030- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Sierra Madre Range- Upper North Platte River Basin-Snowy Range- 219 PM MDT Sat Jun 1 2019 This hazardous weather outlook is for portions of south central Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT A few thunderstorms are possible this afternoon and evening. The severe threat is low for areas west of the Laramie Range. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY Thunderstorms are possible tomorrow afternoon and evening. The severe threat is low west of the Laramie Range, but hail up to quarter size cannot be ruled out. .Spotter information statement... Spotter activation may be needed Sunday afternoon and evening.
In the hours before
Special weather statement, Jun 1, 1:11 PM MDT, 2 hours 42 minutes before
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</html>Special weather statement, Jun 1, 2:16 PM MDT, 1 hour 37 minutes before
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</html>Special weather statement, Jun 1, 3:03 PM MDT, 50 minutes before
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</html>Special weather statement, Jun 1, 3:23 PM MDT, 30 minutes before
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</html>Special weather statement, Jun 1, 3:39 PM MDT, 14 minutes before
Special Weather Statement National Weather Service Cheyenne WY 339 PM MDT Sat Jun 1 2019 WYZ115>118-012230- South Laramie Range WY-Central Laramie County WY- South Laramie Range Foothills WY-Laramie Valley WY- 339 PM MDT Sat Jun 1 2019 ...SPECIAL WEATHER STATEMENT... At 339 PM MDT, Doppler radar was tracking a strong thunderstorm near Vedauwoo, or 11 miles southeast of Laramie, moving east at 30 mph. Pea size hail and winds in excess of 30 mph will be possible with this storm. Locations impacted include... Tie City Campground, Granite Springs Reservoir, North Crow Campground, Vedauwoo, Federal, Granite Springs Campground, Vedauwoo Campground, Yellow Pine Campground and Ranchettes. This includes Interstate 80 in Wyoming between mile markers 322 and 330. LAT...LON 4114 10550 4122 10553 4145 10497 4119 10486 TIME...MOT...LOC 2139Z 251DEG 25KT 4120 10543 Worley
Special weather statement, Jun 1, 3:41 PM MDT, 12 minutes before
Special Weather Statement National Weather Service Cheyenne WY 341 PM MDT Sat Jun 1 2019 NEZ002-003-095-096-012230- Box Butte NE-Dawes NE-North Sioux NE-South Sioux NE- 341 PM MDT Sat Jun 1 2019 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BOX BUTTE... SOUTHWESTERN DAWES AND EAST CENTRAL SIOUX COUNTIES UNTIL 430 PM MDT... At 341 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles north of Flahertys Corner, or 35 miles southwest of Chadron, moving southeast at 20 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Hemingford, Flahertys Corner and Marsland. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Cheyenne. && LAT...LON 4240 10361 4255 10349 4239 10301 4216 10320 TIME...MOT...LOC 2141Z 301DEG 17KT 4244 10347 Hammer
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:27 PM MDT | Special Weather Statement | CYS | Laramie | 33 min |
| May 31, 8:59 PM MDT | Special Weather Statement | CYS | Laramie | 31 min |
| May 31, 9:13 PM MDT | Special Weather Statement | CYS | Platte | 32 min |
| May 31, 9:41 PM MDT | Special Weather Statement | CYS | Platte | 34 min |
| Jun 1, 1:11 PM MDT | Special Weather Statement | CYS | Platte | 49 min |
| Jun 1, 3:03 PM MDT | Special Weather Statement | CYS | Laramie | 42 min |
| Jun 1, 3:07 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 23 min |
| Jun 1, 3:39 PM MDT | Special Weather Statement | CYS | Laramie | 51 min |
| Jun 1, 4:23 PM MDT | Special Weather Statement | CYS | Platte | 52 min |
| Jun 1, 5:32 PM MDT | Special Weather Statement | CYS | Platte | 43 min |
| Jun 1, 5:50 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 40 min |
| Jun 1, 2:16 PM MDT | Special Weather Statement | CYS | Sioux | 44 min |
| Jun 1, 2:24 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 51 min |
| Jun 1, 2:58 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 47 min |
| Jun 1, 3:41 PM MDT | Special Weather Statement | CYS | Box Butte | 49 min |
| Jun 1, 4:42 PM MDT | Special Weather Statement | CYS | Box Butte | 33 min |
| Jun 1, 5:09 PM MDT | Special Weather Statement | CYS | Box Butte | 36 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.