Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS North Platte, NE

May 23, 2021Chase County, Hayes County, Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 23, 2021, 8:17 PM MDT for Chase County, Hayes County, Perkins County, Nebraska. It was in force for 43 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: May 23, 2021, 8:17 PM MDT (02:17 UTC)
Expired: May 23, 2021, 9:00 PM MDT
In force: 43 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chase County, NE, Hayes County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 139 km from the middle of the area, began a volume at 02:18 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
May 23, 7:12 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.3 hours before the alert went out and 85 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: 930 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1216 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

As transmitted.

752 
WUUS53 KLBF 240217
SVRLBF
NEC029-085-135-240300-
/O.NEW.KLBF.SV.W.0028.210524T0217Z-210524T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
917 PM CDT Sun May 23 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southeastern Perkins County in southwestern Nebraska...
  Eastern Chase County in southwestern Nebraska...
  Northwestern Hayes County in southwestern Nebraska...

* Until 1000 PM CDT/900 PM MDT/.

* At 916 PM CDT/816 PM MDT/, a severe thunderstorm was located near
  Enders Reservoir State Recreation Area, or 10 miles southeast of
  Imperial, moving northeast at 50 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...
  Hayes Center, Wauneta, Enders, Enders Reservoir State Recreation
  Area, Hamlet, Center Dam Campground, Marengo, Area A Campground,
  Hayes Center State Wildlife Management Area and Church Grove
  Campground.

This includes Highway 61 between mile markers 25 and 30.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 10171 4077 10144 4074 10125 4070 10125
      4070 10104 4066 10080 4035 10125
TIME...MOT...LOC 0216Z 226DEG 43KT 4038 10154 

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

Snively

2 follow-up statements

774 
WWUS53 KLBF 240238
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
938 PM CDT Sun May 23 2021

NEC029-085-135-240300-
/O.CON.KLBF.SV.W.0028.000000T0000Z-210524T0300Z/
Perkins NE-Chase NE-Hayes NE-
938 PM CDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM
CDT/900 PM MDT/ FOR SOUTHEASTERN PERKINS...NORTHEASTERN CHASE AND
NORTHWESTERN HAYES COUNTIES...

At 937 PM CDT/837 PM MDT/, a severe thunderstorm was located 10 miles
north of Wauneta, or 14 miles west of Hayes Center, moving northeast
at 50 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Hayes Center, Wauneta, Hamlet, Marengo and Hayes Center State
Wildlife Management Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4077 10144 4074 10125 4070 10125 4070 10104
      4066 10080 4035 10125 4049 10162
TIME...MOT...LOC 0237Z 226DEG 43KT 4056 10130 

HAIL...0.88IN
WIND...60MPH
 
$$

JWS

806 
WWUS53 KLBF 240257
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
957 PM CDT Sun May 23 2021

NEC029-085-135-240307-
/O.EXP.KLBF.SV.W.0028.000000T0000Z-210524T0300Z/
Perkins NE-Chase NE-Hayes NE-
957 PM CDT Sun May 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PERKINS...
NORTHEASTERN CHASE AND NORTHWESTERN HAYES COUNTIES WILL EXPIRE AT
1000 PM CDT/900 PM 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.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM
CDT/midnight MDT/ for southwestern Nebraska.

LAT...LON 4077 10144 4074 10125 4070 10125 4070 10104
      4066 10080 4035 10125 4049 10162
TIME...MOT...LOC 0257Z 270DEG 43KT 4072 10109 

$$

Snively

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 6:00 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant, Keith	45 min
May 23, 6:04 PM MDT	Special Weather Statement	LBF	Sheridan	41 min
May 23, 6:18 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Keith, Perkins	42 min
May 23, 6:26 PM MDT	Severe Thunderstorm Warning	LBF	Cherry, Grant, Sheridan	49 min
May 23, 6:39 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Grant, Hooker, McPherson	51 min
May 23, 6:57 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Keith, Perkins	63 min
May 23, 6:59 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	46 min
May 23, 7:24 PM MDT	Special Weather Statement	LBF	Hooker	51 min
May 23, 7:28 PM MDT	Areal Flood Warning	LBF	Keith, Perkins	3 hr
May 23, 7:30 PM MDT	Special Weather Statement	LBF	McPherson	45 min
May 23, 7:47 PM MDT	Special Weather Statement	LBF	Cherry	43 min
May 23, 7:54 PM MDT	Special Weather Statement	LBF	Thomas	51 min
May 23, 7:59 PM MDT	Special Weather Statement	LBF	Perkins	46 min
May 23, 8:11 PM MDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha	49 min
May 23, 8:14 PM MDT	Special Weather Statement	LBF	Logan	46 min
May 23, 8:29 PM MDT	Special Weather Statement	LBF	Blaine, Logan	46 min
May 23, 8:36 PM MDT	Flash Flood Warning	LBF	Keith, Perkins	3 hr
May 23, 8:39 PM MDT	Special Weather Statement	LBF	Lincoln	51 min
May 23, 8:56 PM MDT	Special Weather Statement	LBF	Hayes	34 min
May 23, 9:02 PM MDT	Special Weather Statement	LBF	Brown, Keya Paha, Rock	43 min
May 23, 9:14 PM MDT	Special Weather Statement	LBF	Blaine, Logan, Loup	46 min
May 23, 9:19 PM MDT	Special Weather Statement	LBF	Frontier	41 min
May 23, 9:30 PM MDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	45 min
May 23, 9:33 PM MDT	Special Weather Statement	LBF	Lincoln	42 min
May 23, 9:43 PM MDT	Special Weather Statement	LBF	Brown, Keya Paha, Rock	47 min
May 23, 9:50 PM MDT	Special Weather Statement	LBF	Blaine, Loup	40 min
May 23, 10:14 PM MDT	Special Weather Statement	LBF	Custer, Frontier	46 min
May 23, 10:36 PM MDT	Special Weather Statement	LBF	Garfield, Loup	39 min
May 23, 10:59 PM MDT	Special Weather Statement	LBF	Dawson	31 min
May 23, 11:13 PM MDT	Special Weather Statement	LBF	Garfield, Wheeler	47 min
May 24, 5:18 PM MDT	Special Weather Statement	LBF	Frontier	42 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.