Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS North Platte, NE

June 15, 2021Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 15, 2021, 5:09 AM MDT for Sheridan County, Nebraska. It was in force for 66 min. 2 reports 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, 5:09 AM MDT (11:09 UTC)
Expired: Jun 15, 2021, 6:15 AM MDT
In force: 66 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Sheridan County, NE

The radar

The Rapid City radar (KUDX), 137 km from the middle of the area, began a volume at 11:10 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, 5:20 AM MDT	HAIL 1	16 N Hay Springs, NE	TIME ESTIMATED VIA RADAR.
Jun 15, 5:25 AM MDT	HAIL 1	12 N Hay Springs, NE	ESTIMATED TIME OF 525 AM.

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

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 11.2 hours before the alert went out and 132 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: 1558 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 2097 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

263 
WUUS53 KLBF 151109
SVRLBF
NEC161-151215-
/O.NEW.KLBF.SV.W.0053.210615T1109Z-210615T1215Z/

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

The National Weather Service in North Platte has issued a

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

* Until 615 AM MDT.

* At 508 AM MDT, a severe thunderstorm was located over Slim Buttes,
  or 14 miles west of Pine Ridge, moving southeast at 20 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  White Clay, Pine Ridge, Intersection of Highway 87 and Craven Creek
  Road, Metcalf State Wildlife Management Area, Intersection of
  Beaver Creek Road and White Clay Creek Road, Intersection of
  Highway 87 and Larabee Road and Mount Maria.

This includes Highway 20 between mile markers 83 and 84.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4300 10255 4290 10233 4268 10262 4282 10280
      4300 10279
TIME...MOT...LOC 1108Z 306DEG 17KT 4303 10285 

HAIL...1.75IN
WIND...60MPH
 
$$

Buttler

2 follow-up statements

553 
WWUS53 KLBF 151148
SVSLBF

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

NEC161-151215-
/O.CON.KLBF.SV.W.0053.000000T0000Z-210615T1215Z/
Sheridan NE-
548 AM MDT Tue Jun 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM MDT
FOR NORTHWESTERN SHERIDAN COUNTY...

At 547 AM MDT, a severe thunderstorm was located 8 miles north of Hay
Springs, moving southeast at 30 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...
White Clay, Pine Ridge, Intersection of Highway 87 and Craven Creek
Road, Metcalf State Wildlife Management Area, Intersection of Beaver
Creek Road and White Clay Creek Road, Intersection of Highway 87 and
Larabee Road and Mount Maria.

This includes Highway 20 between mile markers 83 and 84.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4300 10255 4290 10233 4268 10262 4282 10280
      4300 10279
TIME...MOT...LOC 1147Z 325DEG 24KT 4281 10265 

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

Buttler

458 
WWUS53 KLBF 151206
SVSLBF

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

NEC161-151216-
/O.EXP.KLBF.SV.W.0053.000000T0000Z-210615T1215Z/
Sheridan NE-
606 AM MDT Tue Jun 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SHERIDAN COUNTY
WILL EXPIRE AT 615 AM MDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. 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 4300 10255 4290 10233 4268 10262 4282 10280
      4300 10279
TIME...MOT...LOC 1206Z 306DEG 17KT 4276 10257 

$$

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, 4:48 AM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	57 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.