Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 25, NWS Cheyenne, WY

June 6, 2022Box Butte County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 6, 2022, 1:02 AM MDT for Box Butte County, Nebraska. It was in force for 43 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 6, 2022, 1:02 AM MDT (07:02 UTC)
Expired
Jun 6, 2022, 1:45 AM MDT
In force
43 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Box Butte County, NE

The radar

The Cheyenne radar (KCYS), 186 km from the middle of the area, began a volume at 06:45 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, 7.0 hours before the alert went out and 239 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2022-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 547 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2022-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
547 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
2133 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

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 5, 11:01 PM MDT, 2 hours 1 minute earlier.

Area forecast discussion, Jun 5, 11:01 PM MDT, 2 hours 1 minute before
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Hazardous weather outlook, Jun 5, 4:06 AM MDT, 20 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
406 AM MDT Sun Jun 5 2022

WYZ103>106-109>117-061015-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest 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-
406 AM MDT Sun Jun 5 2022

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Widely scattered afternoon and evening thunderstorms will develop.
The threat for severe weather is low, however small hail and brief
wind gusts to 50 mph will be possible with the stronger thunderstorms.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Isolated to scattered afternoon and evening thunderstorms will
develop Monday and Tuesday. The threat for severe thunderstorms
is low, however small hail and brief wind gusts to 50 mph will be
possible with the stronger thunderstorms.

.Spotter information statement...

Spotter activation will not be required through tonight.

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119-
061015-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
406 AM MDT Sun Jun 5 2022

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Scattered afternoon and evening thunderstorms will develop. There
is a marginal risk for strong to severe thunderstorms producing
hail up to one inch in diameter and wind gusts 60 mph or higher
east of a line from Harrison to Kimball Nebraska.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Scattered afternoon and evening thunderstorms will develop Monday
and Tuesday. There is a marginal risk for strong to severe
thunderstorms producing hail up to one inch in diameter and wind
gusts 60 mph or higher east of a line from Douglas to Cheyenne
Wyoming Monday, and east of line from Alliance to Kimball Nebraska
Tuesday.

.Spotter information statement...

Spotter activation will not be required through tonight.

In the hours before

Local storm report, Jun 5, 10:38 PM MDT, 2 hours 24 minutes before
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Special weather statement, Jun 5, 10:47 PM MDT, 2 hours 15 minutes before
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Special weather statement, Jun 5, 10:53 PM MDT, 2 hours 9 minutes before
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Special weather statement, Jun 5, 11:18 PM MDT, 1 hour 44 minutes before
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Local storm report, Jun 5, 11:36 PM MDT, 1 hour 26 minutes before
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Special weather statement, Jun 6, 12:27 AM MDT, 35 minutes before
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:14 PM MDTSpecial Weather StatementCYSGoshen31 min
Jun 5, 8:38 PM MDTSpecial Weather StatementCYSScotts Bluff37 min
Jun 5, 9:15 PM MDTSpecial Weather StatementCYSBanner30 min
Jun 5, 9:22 PM MDTSevere Thunderstorm WarningCYSBanner38 min
Jun 5, 10:47 PM MDTSpecial Weather StatementCYSSioux28 min
Jun 5, 10:53 PM MDTSpecial Weather StatementCYSCheyenne37 min
Jun 5, 11:03 PM MDTSevere Thunderstorm WarningCYSCheyenne33 min
Jun 5, 11:18 PM MDTSpecial Weather StatementCYSDawes27 min
Jun 6, 12:27 AM MDTSpecial Weather StatementCYSSioux33 min
Jun 6, 1:45 AM MDTSevere Thunderstorm Warning Considerable damage threatCYSBox Butte, Morrill32 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.