Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 16, NWS Cheyenne, WY

May 29, 20225 counties in Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 29, 2022, 4:38 PM MDT for 5 counties in Nebraska. It was in force for 22 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
May 29, 2022, 4:38 PM MDT (22:38 UTC)
Expired
May 29, 2022, 5:00 PM MDT
In force
22 min
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Morrill County, NE, Sioux County, NE

The radar

The Cheyenne radar (KCYS), 168 km from the middle of the area, began a volume at 22:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 29, 3:06 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 10.6 hours before the alert went out and 224 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, Rapid City, SD at 12:00Z on 2022-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 12:00Z on 2022-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -78 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1269 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-78 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 May 29, 3:33 PM MDT, 1 hour 5 minutes earlier.

Area forecast discussion, May 29, 3:33 PM MDT, 1 hour 5 minutes before
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Hazardous weather outlook, May 29, 10:30 AM MDT, 6 hours 8 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
1030 AM MDT Sun May 29 2022

WYZ101>119-301630-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen 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-
1030 AM MDT Sun May 29 2022

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

.DAY ONE...TODAY AND TONIGHT

Scattered thunderstorms will develop around midday and move to
the northeast across the area through this evening. Some of the
thunderstorms may produce wind gusts 60 mph or higher and pea to
penny size hail.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Showers and widely scattered thunderstorms are forecast Memorial
Day through Wednesday. Light snow accumulations are expected for
elevations above 8000 feet.

.Spotter information statement...

Spotter activation will not be required through tonight.

NEZ002-003-019>021-054-055-095-096-301630-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
1030 AM MDT Sun May 29 2022

This hazardous weather outlook is for the western Nebraska
Panhandle.

.DAY ONE...TODAY AND TONIGHT

Scattered thunderstorms will develop this afternoon and move to
the northeast across the area through this evening. Some of
the thunderstorms may produce wind gusts 60 mph or higher and
penny to quarter size hail.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Showers and widely scattered thunderstorms are forecast Memorial
Day through Wednesday.

.Spotter information statement...

Spotter activation will not be required through tonight.

In the hours before

Local storm report, May 29, 3:25 PM MDT, 1 hour 13 minutes before
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Local storm report, May 29, 3:41 PM MDT, 57 minutes before
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Local storm report, May 29, 3:54 PM MDT, 44 minutes before
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Local storm report, May 29, 4:26 PM MDT, 12 minutes before
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Local storm report, May 29, 4:27 PM MDT, 11 minutes before
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Local storm report, May 29, 4:29 PM MDT, 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 12:37 PM MDTSpecial Weather StatementCYSAlbany23 min
May 29, 1:19 PM MDTSpecial Weather StatementCYSLaramie26 min
May 29, 1:54 PM MDTSpecial Weather StatementCYSLaramie36 min
May 29, 2:12 PM MDTSpecial Weather StatementCYSGoshen33 min
May 29, 3:11 PM MDTSevere Thunderstorm WarningCYSGoshen, Laramie, Niobrara49 min
May 29, 2:50 PM MDTSpecial Weather StatementCYSBanner25 min
May 29, 3:56 PM MDTSevere Thunderstorm WarningCYSBanner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more49 min
May 29, 4:28 PM MDTSevere Thunderstorm WarningCYSCheyenne, Kimball32 min
May 29, 4:59 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes, Morrill, Sioux46 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.