Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 52, NWS North Platte, NE

June 15, 2021Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 15, 2021, 4:48 AM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 15, 2021, 4:48 AM MDT (10:48 UTC)
Expired: Jun 15, 2021, 5:45 AM MDT
In force: 57 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cherry County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 127 km from the middle of the area, began a volume at 10:49 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 was reported inside it

Time	Report	Where	Remark
Jun 15, 5:25 AM MDT	HAIL 1	21 Nne Ellsworth, NE	ESTIMATED HAIL SIZE, HAIL WAS SMALLER THAN A GOLF BALL BUT LARGER THAN A SHOOTER MARBLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.8 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: 868 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 2717 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

873 
WUUS53 KLBF 151048
SVRLBF
NEC031-161-151145-
/O.NEW.KLBF.SV.W.0052.210615T1048Z-210615T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
448 AM MDT Tue Jun 15 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cherry County in north central Nebraska...
  Southeastern Sheridan County in the Panhandle of Nebraska...

* Until 545 AM MDT.

* At 448 AM MDT, a severe thunderstorm was located 23 miles north of
  Ellsworth, or 25 miles southeast of Rushville, moving southeast at
  25 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...
  Watson Lake, Big Hill, Dipping Vat Meadow, Billys Lake, Wolf Hill,
  Finnegan Lake and Argo Hill.

This includes the following highways...
 Highway 2 between mile markers 124 and 127.
 Highway 61 between mile markers 176 and 179.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4250 10219 4226 10166 4209 10198 4210 10200
      4207 10200 4201 10213 4201 10217 4238 10238
TIME...MOT...LOC 1048Z 319DEG 23KT 4239 10222 

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

Buttler

2 follow-up statements

815 
WWUS53 KLBF 151120
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
520 AM MDT Tue Jun 15 2021

NEC031-161-151145-
/O.CON.KLBF.SV.W.0052.000000T0000Z-210615T1145Z/
Cherry NE-Sheridan NE-
520 AM MDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM MDT
FOR SOUTHWESTERN CHERRY AND SOUTHEASTERN SHERIDAN COUNTIES...

At 519 AM MDT, a severe thunderstorm was located 18 miles north of
Ellsworth, or 31 miles southeast of Rushville, 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.

Locations impacted include...
Watson Lake, Big Hill, Dipping Vat Meadow, Billys Lake, Wolf Hill,
Finnegan Lake and Argo Hill.

This includes the following highways...
 Highway 2 between mile markers 124 and 127.
 Highway 61 between mile markers 176 and 179.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4250 10219 4226 10166 4209 10198 4210 10200
      4207 10200 4201 10213 4201 10217 4238 10238
TIME...MOT...LOC 1119Z 322DEG 14KT 4232 10216 

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

Buttler

826 
WWUS53 KLBF 151137
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
537 AM MDT Tue Jun 15 2021

NEC031-161-151147-
/O.EXP.KLBF.SV.W.0052.000000T0000Z-210615T1145Z/
Cherry NE-Sheridan NE-
537 AM MDT Tue Jun 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CHERRY AND
SOUTHEASTERN SHERIDAN COUNTIES WILL EXPIRE AT 545 AM MDT...
                
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 will be allowed to expire.

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

LAT...LON 4250 10219 4226 10166 4209 10198 4210 10200
      4207 10200 4201 10213 4201 10217 4238 10238
TIME...MOT...LOC 1137Z 319DEG 23KT 4223 10206 

$$

Buttler

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 3:32 AM MDT	Special Weather Statement	LBF	Sheridan	43 min
Jun 15, 3:57 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	48 min
Jun 15, 5:09 AM MDT	Severe Thunderstorm Warning	LBF	Sheridan	66 min
Jun 15, 6:08 AM MDT	Special Weather Statement	LBF	Sheridan	52 min
Jun 15, 7:26 AM MDT	Special Weather Statement	LBF	Arthur	49 min
Jun 15, 7:49 AM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, McPherson	41 min
Jun 15, 7:57 AM MDT	Special Weather Statement	LBF	Sheridan	48 min
Jun 15, 8:35 AM MDT	Special Weather Statement	LBF	Lincoln	40 min
Jun 15, 1:40 PM MDT	Heat Advisory	LBF	Blaine, Boyd, Brown, Chase, Cherry, Custer and 15 more	53 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.