Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 378, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 22, 2019, 6:03 PM MDT for Banner County, Kimball County, Nebraska. It was in force for 42 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
- Aug 22, 2019, 6:03 PM MDT (00:03 UTC)
- Expired
- Aug 22, 2019, 6:45 PM MDT
- In force
- 42 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Banner County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 95 km from the middle of the area, began a volume at 00:02 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 (KDNR), launched 00:00Z, 0.1 hours before the alert went out and 172 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
- 19 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 3469 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Aug 22, 5:40 PM MDT, 23 minutes earlier.
Area forecast discussion, Aug 22, 5:40 PM MDT, 23 minutes before
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</html>Hazardous weather outlook, Aug 22, 3:10 AM MDT, 14 hours 53 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 310 AM MDT Thu Aug 22 2019 NEZ002-003-019>021-054-055-095-096-WYZ101>103-105>108-110-114>119- 230915- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range-Shirley Basin- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-North Snowy Range Foothills- Snowy Range-Laramie Valley-South Laramie Range- South Laramie Range Foothills-Central Laramie County- East Laramie County- 310 AM MDT Thu Aug 22 2019 This hazardous weather outlook is for the western Nebraska Panhandle...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TONIGHT Isolated strong to severe thunderstorms are possible between 2 PM this afternoon and 8 PM this evening east of a Glenrock to Laramie line. Locally heavy rainfall, hail to the size of quarters, strong winds, and frequent lightning are possible. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY Isolated strong to severe thunderstorms are possible Friday afternoon and evening east of the Laramie Range. Isolated to scattered thunderstorms are possible Monday and Tuesday. .Spotter information statement... Spotter activation may be required this afternoon and early evening. WYZ104-109-111>113-230915- Ferris/Seminoe/Shirley Mountains-Central Carbon County- Southwest Carbon County-Sierra Madre Range- Upper North Platte River Basin- 310 AM MDT Thu Aug 22 2019 This hazardous weather outlook is for portions of south central Wyoming. .DAY ONE...TONIGHT Critical fire weather conditions will continue this afternoon due to warm temperatures, gusty winds and low humidity. A Red Flag Warning is in effect from 11 AM to 8 PM MDT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY Isolated thunderstorms will develop Friday afternoon and evening. Gusty winds are possible near thunderstorms. Critical fire weather conditions will return Saturday afternoon due to warm temperatures, gusty winds and low humidity. A Fire Weather Watch is in effect from 11 AM to 8 PM MDT. .Spotter information statement... Spotter activation will not be required.
In the hours before
Special weather statement, Aug 22, 3:55 PM MDT, 2 hours 8 minutes before
Special Weather Statement National Weather Service Cheyenne WY 355 PM MDT Thu Aug 22 2019 NEZ054-WYZ118-119-222230- Kimball NE-Central Laramie County WY-East Laramie County WY- 355 PM MDT Thu Aug 22 2019 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KIMBALL AND SOUTHEASTERN LARAMIE COUNTIES UNTIL 430 PM MDT... At 353 PM MDT, Doppler radar was tracking a few strong thunderstorms near Pine Bluffs and Carpenter moving east at 10 mph. Penny size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Pine Bluffs, Burns, Panorama Point, Carpenter and Bushnell. This includes the following highways... Interstate 80 in Wyoming between mile markers 380 and 402. Interstate 80 in Nebraska between mile markers 1 and 11. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4118 10450 4133 10385 4100 10383 4100 10439 TIME...MOT...LOC 2153Z 256DEG 9KT 4115 10408 Brothers
Local storm report, Aug 22, 4:12 PM MDT, 1 hour 51 minutes before
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</html>Special weather statement, Aug 22, 5:44 PM MDT, 19 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:47 PM MDT | Special Weather Statement | CYS | Converse | 43 min |
| Aug 23, 12:37 PM MDT | Fire Weather Watch | CYS | 24 hr | |
| Aug 23, 12:37 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Aug 23, 2:25 PM MDT | Red Flag Warning | CYS | 6 hr | |
| Aug 23, 3:17 PM MDT | Special Weather Statement | CYS | Albany | 43 min |
| Aug 23, 3:22 PM MDT | Special Weather Statement | CYS | Laramie | 23 min |
| Aug 23, 3:26 PM MDT | Special Weather Statement | CYS | Converse | 34 min |
| Aug 23, 3:37 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 23 min |
| Aug 23, 3:46 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 29 min |
| Aug 23, 3:57 PM MDT | Special Weather Statement | CYS | Albany | 33 min |
| Aug 23, 4:00 PM MDT | Special Weather Statement | CYS | Laramie | 30 min |
| Aug 23, 4:05 PM MDT | Special Weather Statement | CYS | Laramie | 25 min |
| Aug 23, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 23 min |
| Aug 23, 4:12 PM MDT | Special Weather Statement | CYS | Converse | 33 min |
| Aug 23, 4:28 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Aug 23, 4:36 PM MDT | Special Weather Statement | CYS | Laramie | 39 min |
| Aug 23, 4:39 PM MDT | Special Weather Statement | CYS | Laramie | 21 min |
| Aug 23, 4:42 PM MDT | Special Weather Statement | CYS | Converse | 48 min |
| Aug 23, 4:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 36 min |
| Aug 23, 4:59 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 hr |
| Aug 23, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 25 min |
| Aug 23, 5:14 PM MDT | Special Weather Statement | CYS | Goshen | 46 min |
| Aug 23, 5:27 PM MDT | Special Weather Statement | CYS | Laramie | 33 min |
| Aug 23, 5:28 PM MDT | Special Weather Statement | CYS | Niobrara | 32 min |
| Aug 23, 5:30 PM MDT | Special Weather Statement | CYS | Niobrara | 45 min |
| Aug 23, 5:36 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 39 min |
| Aug 23, 5:59 PM MDT | Special Weather Statement | CYS | Goshen | 46 min |
| Aug 22, 6:42 PM MDT | Special Weather Statement | CYS | Cheyenne | 33 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.