Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 77, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 5, 2022, 6:56 PM MDT for Box Butte County, Dawes County, Sioux County, Nebraska. It was in force for 64 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
- Jul 5, 2022, 6:56 PM MDT (00:56 UTC)
- Expired
- Jul 5, 2022, 8:00 PM MDT
- In force
- 64 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.0 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 00:57 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 271 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
- 1721 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1952 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
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 Jul 5, 5:25 PM MDT, 1 hour 31 minutes earlier.
Area forecast discussion, Jul 5, 5:25 PM MDT, 1 hour 31 minutes before
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</html>Hazardous weather outlook, Jul 5, 4:37 AM MDT, 14 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 437 AM MDT Tue Jul 5 2022 NEZ054-WYZ101-103>107-109>119-061045- Kimball County-Converse County Lower Elevations- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte 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- 437 AM MDT Tue Jul 5 2022 This hazardous weather outlook is for portions of the Nebraska panhandle...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT There is a chance for isolated strong thunderstorms this afternoon and evening. Main hazards include strong, gusty winds up to 60 mph and small hail. Moderate to heavy rain is also possible. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY There is a chance for isolated strong thunderstorms on Wednesday. Main hazards include strong, gusty winds, small hail, and heavy rain. Afternoon thunderstorm chances continue through Friday. .Spotter information statement... Spotter activation will not be needed. NEZ002-003-019>021-055-095-096-WYZ102-108-061045- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Cheyenne County-Northern Sioux County- Southern Sioux County-Niobrara County-Goshen County- 437 AM MDT Tue Jul 5 2022 This hazardous weather outlook is for portions of the Nebraska panhandle...east central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT There is a marginal to slight risk of isolated strong to potentially severe thunderstorms this afternoon and evening. Main hazards include strong, gusty winds over 60 mph and hail up to one inch in diameter. Heavy rain with ponding of water in urban areas is also possible. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY There is a marginal to slight risk of isolated strong to potentially severe thunderstorms on Wednesday. Main hazards include strong winds, hail, and heavy rain. Afternoon thunderstorm chances continue through Friday. .Spotter information statement... Spotter activation may be needed later this afternoon.
In the hours before
Local storm report, Jul 5, 4:53 PM MDT, 2 hours 3 minutes before
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</html>Special weather statement, Jul 5, 5:13 PM MDT, 1 hour 43 minutes before
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</html>Local storm report, Jul 5, 5:25 PM MDT, 1 hour 31 minutes before
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</html>Local storm report, Jul 5, 5:56 PM MDT, 1 hour before
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</html>Local storm report, Jul 5, 5:57 PM MDT, 59 minutes before
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</html>Local storm report, Jul 5, 6:14 PM MDT, 42 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 |
|---|---|---|---|---|
| Jul 5, 7:56 PM MDT | Special Weather Statement | CYS | Box Butte | 34 min |
| Jul 6, 3:37 PM MDT | Special Weather Statement | CYS | Kimball | 38 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2022Every severe thunderstorm warning in 2022
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.