Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS North Platte, NE

June 19, 2021Chase County, Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 19, 2021, 5:24 PM MDT for Chase County, Perkins 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 19, 2021, 5:24 PM MDT (23:24 UTC)
Expired
Jun 19, 2021, 6:30 PM MDT
In force
66 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Chase County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 158 km from the middle of the area, began a volume at 23:28 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

TimeReportWhereRemark
Jun 19, 6:07 PM MDTTSTM WND GST 60W Imperial, NEPOWER OUT AS WELL.
Jun 19, 6:08 PM MDTTSTM WND GST 521 Ese Imperial, 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.

IssuedProductOfficeLasted
Jun 19, 4:48 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 112 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2349 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WUUS53 KLBF 192324
SVRLBF
NEC029-135-200030-
/O.NEW.KLBF.SV.W.0055.210619T2324Z-210620T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
524 PM MDT Sat Jun 19 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Perkins County in southwestern Nebraska...
  Chase County in southwestern Nebraska...

* Until 630 PM MDT.

* At 522 PM MDT, severe thunderstorms were located along a line
  extending from 8 miles north of Venango to 13 miles south of
  Pleasant Valley, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Imperial, Grant, Madrid, Venango, Elsie, Lamar, Enders, Enders
  Reservoir State Recreation Area, Champion, Crete, Chase, Center Dam
  Campground, Brandon, Wild Horse Spring, Wanamaker State Wildfire
  Management Area, Area A Campground and Church Grove Campground.

This includes Highway 61 between mile markers 25 and 77.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4094 10206 4094 10205 4098 10205 4098 10130
      4035 10142 4035 10204
TIME...MOT...LOC 2322Z 292DEG 30KT 4088 10204 4042 10216 

HAIL...<.75IN
WIND...60MPH
 
$$

Roberg
2 follow-up statements
814 
WWUS53 KLBF 200007
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
607 PM MDT Sat Jun 19 2021

NEC029-135-200030-
/O.CON.KLBF.SV.W.0055.000000T0000Z-210620T0030Z/
Perkins NE-Chase NE-
607 PM MDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR PERKINS AND CHASE COUNTIES...

At 606 PM MDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Imperial to 12 miles southwest of
Champion, moving southeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Imperial, Grant, Madrid, Venango, Elsie, Lamar, Enders, Enders
Reservoir State Recreation Area, Champion, Crete, Chase, Center Dam
Campground, Brandon, Wild Horse Spring, Wanamaker State Wildfire
Management Area, Area A Campground and Church Grove Campground.

This includes Highway 61 between mile markers 25 and 76.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4076 10204 4097 10176 4092 10132 4035 10142
      4035 10204
TIME...MOT...LOC 0006Z 306DEG 34KT 4057 10174 4032 10187 

HAIL...<.75IN
WIND...60MPH
 
$$

Roberg
483 
WWUS53 KLBF 200028
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
628 PM MDT Sat Jun 19 2021

NEC029-135-200037-
/O.EXP.KLBF.SV.W.0055.000000T0000Z-210620T0030Z/
Perkins NE-Chase NE-
628 PM MDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR PERKINS AND CHASE COUNTIES
WILL EXPIRE AT 630 PM MDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose 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 these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
southwestern Nebraska.

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

LAT...LON 4076 10204 4097 10176 4092 10132 4035 10142
      4035 10204
TIME...MOT...LOC 0027Z 292DEG 30KT 4051 10153 4026 10166 

$$

Roberg

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 4:03 PM MDTSpecial Weather StatementLBFDeuel, Garden42 min
Jun 19, 4:49 PM MDTSpecial Weather StatementLBFDeuel, Garden41 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021Every 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.