Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS North Platte, NE

June 23, 2021Keya Paha County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 23, 2021, 8:44 PM CDT for Keya Paha County, Nebraska. It was in force for 46 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 23, 2021, 8:44 PM CDT (01:44 UTC)
Expired: Jun 23, 2021, 9:30 PM CDT
In force: 46 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Keya Paha County, NE

The radar

The North Platte radar (KLNX), 122 km from the middle of the area, began a volume at 01:46 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 23, 9:10 PM CDT	HAIL 1.75	2 W Springview, NE

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 23, 4:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.7 hours before the alert went out and 207 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: 3468 J/kg
Mixed-layer CIN: -185 J/kg
Mixed-layer LCL: 1979 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

867 
WUUS53 KLBF 240144
SVRLBF
NEC103-240230-
/O.NEW.KLBF.SV.W.0065.210624T0144Z-210624T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
844 PM CDT Wed Jun 23 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Keya Paha County in north central Nebraska...

* Until 930 PM CDT.

* At 844 PM CDT, a severe thunderstorm was located 8 miles southwest
  of Wewela, or 9 miles northwest of Springview, moving east at 30
  mph.

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

  SOURCE...Trained weather spotters.

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

* Locations impacted include...
  Springview, Norden, Burton, Nets Peak, Mills and Brocksburg. 

This includes the following highways...
 Highway 183 between mile markers 212 and 225.
 Highway 12 between mile markers 23 and 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4300 9931 4279 9933 4281 10014 4283 10015
      4284 10019 4299 10020
TIME...MOT...LOC 0144Z 272DEG 24KT 4292 9988 

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

Gomez

2 follow-up statements

167 
WWUS53 KLBF 240200
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
900 PM CDT Wed Jun 23 2021

NEC103-240230-
/O.CON.KLBF.SV.W.0065.000000T0000Z-210624T0230Z/
Keya Paha NE-
900 PM CDT Wed Jun 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR KEYA PAHA COUNTY...

At 900 PM CDT, a severe thunderstorm was located near Springview,
moving east 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...
Springview, Norden, Burton, Nets Peak, Mills and Brocksburg. 

This includes the following highways...
 Highway 183 between mile markers 212 and 225.
 Highway 12 between mile markers 23 and 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4300 9931 4279 9933 4281 10014 4283 10015
      4284 10019 4299 10020
TIME...MOT...LOC 0200Z 272DEG 24KT 4292 9973 

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

Gomez

068 
WWUS53 KLBF 240217
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
917 PM CDT Wed Jun 23 2021

NEC103-240230-
/O.CON.KLBF.SV.W.0065.000000T0000Z-210624T0230Z/
Keya Paha NE-
917 PM CDT Wed Jun 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR KEYA PAHA COUNTY...

At 916 PM CDT, a severe thunderstorm was located 10 miles northeast
of Springview, moving east at 30 mph.

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

SOURCE...Fire Department.

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...
Springview, Norden, Burton, Nets Peak, Mills and Brocksburg. 

This includes the following highways...
 Highway 183 between mile markers 212 and 225.
 Highway 12 between mile markers 23 and 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4300 9931 4279 9933 4281 10014 4283 10015
      4284 10019 4299 10020
TIME...MOT...LOC 0216Z 272DEG 24KT 4292 9958 

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

Gomez

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:25 PM CDT	Special Weather Statement	LBF	Keya Paha	50 min
Jun 23, 8:04 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	41 min
Jun 23, 8:12 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	18 min
Jun 23, 8:39 PM CDT	Special Weather Statement	LBF	Grant	36 min
Jun 23, 9:07 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Keya Paha, Rock	53 min
Jun 23, 9:28 PM CDT	Severe Thunderstorm Warning	LBF	Keya Paha	32 min
Jun 23, 9:47 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt, Keya Paha, Rock	43 min
Jun 23, 9:50 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Keya Paha	40 min
Jun 23, 10:25 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha, Rock	35 min
Jun 23, 10:27 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	33 min
Jun 23, 10:33 PM CDT	Special Weather Statement	LBF	Brown	27 min
Jun 23, 10:53 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Wheeler	52 min
Jun 23, 10:57 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha, Loup, Rock	48 min
Jun 23, 11:05 PM CDT	Special Weather Statement	LBF	Blaine, Logan, Loup	40 min
Jun 23, 11:20 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown, Custer, Loup	25 min
Jun 23, 11:36 PM CDT	Areal Flood Advisory	LBF	Garfield, Holt, Loup, Rock, Wheeler	3 hr
Jun 23, 11:40 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Garfield, Holt, Loup, Rock and 1 more	50 min
Jun 24, 12:30 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Garfield, Holt, Loup, Wheeler	30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.