Alert archive / Nebraska / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 91, NWS Cheyenne, WY

July 12, 2024Dawes County, Sioux County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 12, 2024, 9:41 PM MDT for Dawes County, Sioux County, 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: Jul 12, 2024, 9:41 PM MDT (03:41 UTC)
Expired: Jul 12, 2024, 10:30 PM MDT
In force: 49 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dawes County, NE, Sioux County, NE

The radar

The Rapid City radar (KUDX), 176 km from the middle of the area, began a volume at 03:41 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.

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 12, 5:44 PM MDT, 3 hours 57 minutes earlier.

Area forecast discussion, Jul 12, 5:44 PM MDT, 3 hours 57 minutes before

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Hazardous weather outlook, Jul 12, 1:24 PM MDT, 8 hours 17 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
124 PM MDT Fri Jul 12 2024

NEZ002-003-019>021-054-055-095-096-WYZ101>119-131930-
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-
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-
124 PM MDT Fri Jul 12 2024

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A Heat Advisory is in place across portions of southeast Wyoming
this afternoon. Please refer to the Heat Advisory for more
details.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Hot temperatures are expected through the weekend with forecast
high temperatures between 100 to 105 degrees. Heat Advisories are
in effect across portions of southeast Wyoming and the Nebraska
panhandle. Please refer to the heat Advisories for more details.

.Spotter information statement...

Spotter activation will not be needed.

In the hours before

Special weather statement, Jul 12, 7:13 PM MDT, 2 hours 28 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
713 PM MDT Fri Jul 12 2024

WYZ102-130200-
Niobrara County WY-
713 PM MDT Fri Jul 12 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHERN NIOBRARA COUNTY THROUGH
800 PM MDT...

At 713 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles north of Morrisey to 15 miles south of
Clareton. Movement was east at 20 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Mule Creek Junction and Redbird.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4310 10405 4338 10478 4350 10478 4350 10406
TIME...MOT...LOC 0113Z 283DEG 19KT 4368 10437 4348 10463

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Hammer

Special weather statement, Jul 12, 8:01 PM MDT, 1 hour 40 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
801 PM MDT Fri Jul 12 2024

WYZ102-130230-
Niobrara County WY-
801 PM MDT Fri Jul 12 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN NIOBRARA COUNTY
THROUGH 830 PM MDT...

At 801 PM MDT, Doppler radar was tracking a strong thunderstorm near
Mule Creek Junction, or 23 miles west of Edgemont, moving southeast
at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Mule Creek Junction and Redbird.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Cheyenne.

&&

LAT...LON 4338 10406 4303 10406 4334 10444 4347 10432
TIME...MOT...LOC 0201Z 304DEG 21KT 4335 10428

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

Hammer

Special weather statement, Jul 12, 8:06 PM MDT, 1 hour 35 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
806 PM MDT Fri Jul 12 2024

WYZ101-102-130245-
Converse County Lower Elevations WY-Niobrara County WY-
806 PM MDT Fri Jul 12 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN NIOBRARA AND
NORTHEASTERN CONVERSE COUNTIES THROUGH 845 PM MDT...

At 806 PM MDT, Doppler radar was tracking a strong thunderstorm near
Dull Center, or 31 miles southeast of Wright, moving east at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Dull Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Cheyenne.

&&

LAT...LON 4309 10469 4336 10520 4350 10515 4350 10453
TIME...MOT...LOC 0206Z 285DEG 21KT 4343 10503

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Hammer

Special weather statement, Jul 12, 8:29 PM MDT, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
829 PM MDT Fri Jul 12 2024

WYZ102-130315-
Niobrara County WY-
829 PM MDT Fri Jul 12 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN NIOBRARA COUNTY
THROUGH 915 PM MDT...

At 829 PM MDT, Doppler radar was tracking a strong thunderstorm near
Mule Creek Junction, or 17 miles west of Edgemont, moving southeast
at 15 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Mule Creek Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Cheyenne.

&&

LAT...LON 4335 10406 4332 10405 4309 10406 4330 10434
      4341 10427
TIME...MOT...LOC 0229Z 292DEG 12KT 4331 10418

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

Hammer

Special weather statement, Jul 12, 8:46 PM MDT, 55 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
846 PM MDT Fri Jul 12 2024

WYZ101-102-130330-
Converse County Lower Elevations WY-Niobrara County WY-
846 PM MDT Fri Jul 12 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN NIOBRARA AND
EASTERN CONVERSE COUNTIES THROUGH 930 PM MDT...

At 846 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles southeast of Dull Center, or 42 miles northwest of Lusk, moving
southeast at 20 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

This storm will remain over mainly rural areas of northwestern
Niobrara and eastern Converse Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Cheyenne.

&&

LAT...LON 4326 10498 4342 10486 4329 10439 4305 10456
TIME...MOT...LOC 0246Z 297DEG 16KT 4331 10484

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

Hammer

Special weather statement, Jul 12, 9:32 PM MDT, 9 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
932 PM MDT Fri Jul 12 2024

WYZ102-130400-
Niobrara County WY-
932 PM MDT Fri Jul 12 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN NIOBRARA COUNTY
THROUGH 1000 PM MDT...

At 932 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Redbird to 15 miles east of Lance Creek.
Movement was east at 25 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 hail damage to vegetation is
         possible.

Locations impacted include...
Mule Creek Junction and Redbird.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4284 10406 4284 10414 4308 10455 4340 10441
      4341 10406
TIME...MOT...LOC 0332Z 283DEG 22KT 4330 10422 4308 10436

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

Hammer

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:13 PM MDT	Special Weather Statement	CYS	Niobrara	47 min
Jul 12, 8:01 PM MDT	Special Weather Statement	CYS	Niobrara	29 min
Jul 12, 8:06 PM MDT	Special Weather Statement	CYS	Niobrara	39 min
Jul 12, 8:29 PM MDT	Special Weather Statement	CYS	Niobrara	46 min
Jul 12, 8:46 PM MDT	Special Weather Statement	CYS	Niobrara	44 min
Jul 12, 9:32 PM MDT	Special Weather Statement	CYS	Niobrara	28 min
Jul 13, 3:00 AM MDT	Red Flag Warning	CYS	Albany, Converse, Goshen, Laramie, Niobrara, Platte	17 hr
Jul 13, 4:23 PM MDT	Special Weather Statement	CYS	Carbon	82 min
Jul 12, 10:31 PM MDT	Special Weather Statement	CYS	Sioux	29 min
Jul 12, 10:35 PM MDT	Special Weather Statement	CYS	Dawes	25 min
Jul 12, 11:12 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Dawes, Sioux	78 min
Jul 12, 11:51 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Dawes	39 min
Jul 13, 12:32 AM MDT	Special Weather Statement	CYS	Box Butte	58 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2024 Every severe thunderstorm warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.