Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS North Platte, NE

June 13, 2021Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 13, 2021, 8:20 PM MDT for Sheridan County, Nebraska. It was in force for 40 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: Jun 13, 2021, 8:20 PM MDT (02:20 UTC)
Expired: Jun 13, 2021, 9:00 PM MDT
In force: 40 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 156 km from the middle of the area, began a volume at 02:23 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

Rapid City, SD (KUNR), launched 00:00Z, 2.3 hours before the alert went out and 172 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: 1422 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1895 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

646 
WUUS53 KLBF 140220
SVRLBF
NEC161-140300-
/O.NEW.KLBF.SV.W.0048.210614T0220Z-210614T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
820 PM MDT Sun Jun 13 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  East central Sheridan County in the Panhandle of Nebraska...

* Until 900 PM MDT.

* At 819 PM MDT, a severe thunderstorm was located 16 miles southeast
  of Rushville, moving west at 10 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rushville, Lone Butte, Highway 27 crossing the Niobrara River,
  Highway 250 crossing the Niobrara River, Billys Lake and
  Intersection of Highway 27 and Mills Road.

This includes the following highways...
 Highway 20 between mile markers 91 and 96.
 Highway 250 between mile markers 28 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4276 10248 4270 10207 4245 10206 4244 10204
      4242 10250
TIME...MOT...LOC 0219Z 094DEG 9KT 4255 10222 

HAIL...1.25IN
WIND...60MPH
 
$$

NMJ

1 follow-up statement

209 
WWUS53 KLBF 140258
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
858 PM MDT Sun Jun 13 2021

NEC161-140307-
/O.EXP.KLBF.SV.W.0048.000000T0000Z-210614T0300Z/
Sheridan NE-
858 PM MDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SHERIDAN COUNTY
WILL EXPIRE AT 900 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern portions of Sheridan County.

LAT...LON 4276 10248 4270 10207 4245 10206 4244 10204
      4242 10250
TIME...MOT...LOC 0257Z 094DEG 9KT 4256 10234 

$$

NMJ

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 7:50 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	40 min
Jun 13, 8:02 PM MDT	Special Weather Statement	LBF	Garden	43 min
Jun 13, 8:28 PM MDT	Special Weather Statement	LBF	Sheridan	47 min
Jun 13, 8:41 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Garden, Grant, Sheridan	49 min
Jun 13, 9:25 PM MDT	Special Weather Statement	LBF	Cherry	50 min
Jun 13, 9:48 PM MDT	Special Weather Statement	LBF	Arthur, Grant	42 min
Jun 13, 10:19 PM MDT	Special Weather Statement	LBF	Grant, Hooker, McPherson	41 min
Jun 13, 11:03 PM MDT	Special Weather Statement	LBF	Garden	42 min
Jun 13, 11:24 PM MDT	Special Weather Statement	LBF	McPherson	51 min
Jun 14, 12:58 AM MDT	Special Weather Statement	LBF	Garden	47 min
Jun 14, 1:02 AM MDT	Severe Thunderstorm Warning	LBF	Garden	43 min
Jun 14, 1:46 AM MDT	Special Weather Statement	LBF	Deuel	44 min
Jun 14, 2:44 AM MDT	Special Weather Statement	LBF	Holt	46 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.