Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 73, NWS Cheyenne, WY

July 3, 2021Kimball County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 3, 2021, 3:48 PM MDT for Kimball County, Nebraska. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 3, 2021, 3:48 PM MDT (21:48 UTC)
Expired: Jul 3, 2021, 4:19 PM MDT
In force: 31 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 83 km from the middle of the area, began a volume at 21:48 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
Jul 3, 3:33 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 155 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: 2605 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

526 
WUUS55 KCYS 032148
SVRCYS
NEC105-032245-
/O.NEW.KCYS.SV.W.0073.210703T2148Z-210703T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
348 PM MDT Sat Jul 3 2021

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Kimball County in the Panhandle of Nebraska...

* Until 445 PM MDT.

* At 347 PM MDT, a severe thunderstorm was located over Oliver
  Reservoir, or near Kimball, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Kimball around 405 PM MDT.
  Kimball Airport around 410 PM MDT.
  Dix around 435 PM MDT.

Other locations impacted by this severe thunderstorm include
Bushnell.

This includes Interstate 80 in Nebraska between mile markers 2 and
31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If on or near Oliver Reservoir, get away from the water and move 
indoors or inside a vehicle. Remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4118 10403 4138 10403 4138 10341 4101 10351
      4101 10388
TIME...MOT...LOC 2147Z 293DEG 15KT 4122 10377 

HAIL...1.00IN
WIND...60MPH
 
$$

Rubin

2 follow-up statements

383 
WWUS55 KCYS 032208
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
408 PM MDT Sat Jul 3 2021

NEC105-032245-
/O.CON.KCYS.SV.W.0073.000000T0000Z-210703T2245Z/
Kimball NE-
408 PM MDT Sat Jul 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT
FOR CENTRAL KIMBALL COUNTY...

At 407 PM MDT, a severe thunderstorm was located over Oliver
Reservoir, or near Kimball, moving southeast at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe storm will be near...
  Kimball around 430 PM MDT.
  Kimball Airport around 435 PM MDT.

This includes Interstate 80 in Nebraska between mile markers 9 and
31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

If on or near Oliver Reservoir, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

&&

LAT...LON 4117 10389 4138 10385 4138 10341 4101 10351
      4106 10380
TIME...MOT...LOC 2207Z 303DEG 8KT 4122 10375 

HAIL...1.00IN
WIND...60MPH
 
$$

Rubin

151 
WWUS55 KCYS 032219
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
419 PM MDT Sat Jul 3 2021

NEC105-032229-
/O.CAN.KCYS.SV.W.0073.000000T0000Z-210703T2245Z/
Kimball NE-
419 PM MDT Sat Jul 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL KIMBALL COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
the Panhandle of Nebraska.

LAT...LON 4117 10389 4138 10385 4138 10341 4101 10351
      4106 10380
TIME...MOT...LOC 2217Z 293DEG 15KT 4120 10369 

$$

Rubin

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 3:01 PM MDT	Severe Thunderstorm Warning	CYS	Scotts Bluff, Sioux	30 min
Jul 3, 3:06 PM MDT	Special Weather Statement	CYS	Box Butte	39 min
Jul 3, 3:42 PM MDT	Special Weather Statement	CYS	Kimball	48 min
Jul 3, 3:51 PM MDT	Special Weather Statement	CYS	Banner	39 min
Jul 3, 3:57 PM MDT	Special Weather Statement	CYS	Cheyenne	48 min
Jul 3, 4:18 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne	57 min
Jul 3, 4:43 PM MDT	Special Weather Statement	CYS	Cheyenne	47 min
Jul 3, 4:43 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	47 min
Jul 3, 4:46 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sioux	28 min
Jul 3, 5:03 PM MDT	Special Weather Statement	CYS	Morrill	42 min
Jul 3, 5:15 PM MDT	Special Weather Statement	CYS	Dawes	30 min
Jul 3, 5:21 PM MDT	Special Weather Statement	CYS	Cheyenne	39 min
Jul 3, 5:29 PM MDT	Special Weather Statement	CYS	Dawes	31 min
Jul 3, 5:40 PM MDT	Special Weather Statement	CYS	Morrill	50 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021 Every severe thunderstorm warning in 2021

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.