Alert archive / Nebraska / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 14, NWS Cheyenne, WY

May 29, 20228 counties in Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 29, 2022, 3:56 PM MDT for 8 counties in Nebraska. It was in force for 49 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, 3:56 PM MDT (21:56 UTC)
Expired: May 29, 2022, 4:45 PM MDT
In force: 49 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE

The radar

The Cheyenne radar (KCYS), 142 km from the middle of the area, began a volume at 21:56 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.

Issued	Product	Office	Lasted
May 29, 3:06 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.9 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1931 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 244 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, 23 minutes earlier.

Area forecast discussion, May 29, 3:33 PM MDT, 23 minutes before

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Hazardous weather outlook, May 29, 10:30 AM MDT, 5 hours 26 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

Special weather statement, May 29, 2:12 PM MDT, 1 hour 44 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
212 PM MDT Sun May 29 2022

NEZ019-020-WYZ107-108-118-292045-
Scotts Bluff NE-Banner NE-East Platte County WY-Goshen County WY-
Central Laramie County WY-
212 PM MDT Sun May 29 2022

...A strong thunderstorm will impact portions of southwestern Scotts
Bluff, northwestern Banner, southern Goshen, northeastern Laramie and
southeastern Platte Counties through 245 PM MDT...

At 211 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Hawk Springs, or 26 miles southwest of Torrington,
moving northeast at 50 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lingle, La Grange, Yoder, Huntley, Hawk Springs Campground, Hawk
Springs Recreation Area, Veteran and Hawk Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4156 10447 4176 10466 4215 10436 4171 10389
      4166 10404
TIME...MOT...LOC 2011Z 223DEG 45KT 4173 10441

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Dewey

Special weather statement, May 29, 2:50 PM MDT, 1 hour 6 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
250 PM MDT Sun May 29 2022

NEZ019-020-096-WYZ108-119-292115-
Scotts Bluff NE-South Sioux NE-Banner NE-Goshen County WY-
East Laramie County WY-
250 PM MDT Sun May 29 2022

...A strong thunderstorm will impact portions of western Scotts
Bluff, northern Banner, southwestern Sioux, southeastern Goshen and
eastern Laramie Counties through 315 PM MDT...

At 250 PM MDT, Doppler radar was tracking a strong thunderstorm near
La Grange, or 23 miles southwest of Scottsbluff, moving northeast at
45 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Morrill, La Grange, Lyman, Huntley, Wildcat Hills State Recreation
Area, Stegall, Wildcat Hills Campground, Hawk Springs, Hawk Springs
Campground, Hubbard Hill, Hawk Springs Recreation Area, Harrisburg
and Henry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4146 10408 4160 10422 4172 10432 4218 10406
      4157 10349
TIME...MOT...LOC 2050Z 224DEG 39KT 4169 10406

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Dewey

Local storm report, May 29, 3:20 PM MDT, 36 minutes before

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Local storm report, May 29, 3:25 PM MDT, 31 minutes before

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Local storm report, May 29, 3:41 PM MDT, 15 minutes before

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Local storm report, May 29, 3:54 PM MDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 12:37 PM MDT	Special Weather Statement	CYS	Albany	23 min
May 29, 1:19 PM MDT	Special Weather Statement	CYS	Laramie	26 min
May 29, 1:54 PM MDT	Special Weather Statement	CYS	Laramie	36 min
May 29, 2:12 PM MDT	Special Weather Statement	CYS	Goshen	33 min
May 29, 3:11 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Niobrara	49 min
May 29, 2:50 PM MDT	Special Weather Statement	CYS	Banner	25 min
May 29, 4:28 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Kimball	32 min
May 29, 4:38 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Cheyenne, Dawes, Morrill, Sioux	22 min
May 29, 4:59 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Morrill, Sioux	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2022 Every 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.