Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 16, NWS North Platte, NE

May 15, 2021Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 15, 2021, 9:23 PM CDT for Lincoln County, Nebraska. It was in force for 52 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 15, 2021, 9:23 PM CDT (02:23 UTC)
Expired: May 15, 2021, 10:15 PM CDT
In force: 52 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 92 km from the middle of the area, began a volume at 02:22 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.4 hours before the alert went out and 2 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: 266 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1597 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 90 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

071 
WUUS53 KLBF 160223
SVRLBF
NEC111-160315-
/O.NEW.KLBF.SV.W.0016.210516T0223Z-210516T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
923 PM CDT Sat May 15 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Northeastern Lincoln County in southwestern Nebraska...

* Until 1015 PM CDT.

* At 923 PM CDT, a severe thunderstorm was located near North Platte
  Airport, or 7 miles east of North Platte, moving southeast at 15
  mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  North Platte, Maxwell, North Platte Airport, Keith and Cottonwood
  Canyon State Wildlife Management Area.

This includes the following highways...
 Interstate 80 in Nebraska between mile markers 181 and 198.
 Highway 83 between mile markers 91 and 95.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4113 10075 4128 10068 4119 10028 4094 10043
TIME...MOT...LOC 0223Z 294DEG 11KT 4117 10065 

HAIL...1.00IN
WIND...70MPH
 
$$

Taylor

2 follow-up statements

204 
WWUS53 KLBF 160244
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
944 PM CDT Sat May 15 2021

NEC111-160315-
/O.CON.KLBF.SV.W.0016.000000T0000Z-210516T0315Z/
Lincoln NE-
944 PM CDT Sat May 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHEASTERN LINCOLN COUNTY...

At 944 PM CDT, a severe thunderstorm was located near Maxwell, or 10
miles east of North Platte, moving southeast at 15 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
North Platte, Maxwell, North Platte Airport, Keith and Cottonwood
Canyon State Wildlife Management Area.

This includes the following highways...
 Interstate 80 in Nebraska between mile markers 181 and 198.
 Highway 83 between mile markers 91 and 95.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4113 10075 4128 10068 4119 10028 4094 10043
TIME...MOT...LOC 0244Z 294DEG 11KT 4114 10057 

HAIL...1.00IN
WIND...70MPH
 
$$

Taylor

252 
WWUS53 KLBF 160312
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1012 PM CDT Sat May 15 2021

NEC111-160322-
/O.EXP.KLBF.SV.W.0016.000000T0000Z-210516T0315Z/
Lincoln NE-
1012 PM CDT Sat May 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LINCOLN COUNTY
WILL EXPIRE AT 1015 PM CDT...
                
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 small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

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

LAT...LON 4113 10075 4128 10068 4119 10028 4094 10043
TIME...MOT...LOC 0312Z 294DEG 11KT 4111 10047 

$$

Taylor

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:01 PM CDT	Special Weather Statement	LBF	Chase	44 min
May 15, 7:03 PM CDT	Special Weather Statement	LBF	Perkins	42 min
May 15, 7:31 PM CDT	Special Weather Statement	LBF	Lincoln	44 min
May 15, 7:42 PM CDT	Severe Thunderstorm Warning	LBF	Perkins	48 min
May 15, 7:48 PM CDT	Special Weather Statement	LBF	Arthur	42 min
May 15, 8:06 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	39 min
May 15, 8:13 PM CDT	Severe Thunderstorm Warning	LBF	Keith	47 min
May 15, 8:35 PM CDT	Special Weather Statement	LBF	Perkins	40 min
May 15, 8:44 PM CDT	Severe Thunderstorm Warning	LBF	Perkins	46 min
May 15, 9:06 PM CDT	Special Weather Statement	LBF	Lincoln	39 min
May 15, 9:07 PM CDT	Special Weather Statement	LBF	Custer	38 min
May 15, 9:42 PM CDT	Special Weather Statement	LBF	Perkins	48 min
May 15, 10:56 PM CDT	Special Weather Statement	LBF	Perkins	49 min
May 16, 12:08 AM CDT	Special Weather Statement	LBF	Perkins	52 min
May 16, 12:21 AM CDT	Areal Flood Warning	LBF	Lincoln, Perkins	4 hr
May 16, 4:16 AM CDT	Areal Flood Advisory	LBF	Cherry, Grant, Hooker	3 hr
May 16, 4:38 AM CDT	Areal Flood Advisory	LBF	Sheridan	101 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.