Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 56, NWS North Platte, NE

June 19, 2021Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 19, 2021, 9:09 PM CDT for Frontier County, Hayes County, Nebraska. It was in force for 66 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
Jun 19, 2021, 9:09 PM CDT (02:09 UTC)
Expired
Jun 19, 2021, 10:15 PM CDT
In force
66 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Frontier County, NE, Hayes County, NE

The radar

The North Platte radar (KLNX), 165 km from the middle of the area, began a volume at 02:13 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.

IssuedProductOfficeLasted
Jun 19, 5:48 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.2 hours before the alert went out and 74 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 00:00Z on 2021-06-20Temperature 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 00:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
2727 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

952 
WUUS53 KLBF 200209
SVRLBF
NEC063-085-200315-
/O.NEW.KLBF.SV.W.0056.210620T0209Z-210620T0315Z/

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

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Frontier County in southwestern Nebraska...
  Southeastern Hayes County in southwestern Nebraska...

* Until 1015 PM CDT.

* At 908 PM CDT, severe thunderstorms were located along a line
  extending from 13 miles east of Hayes Center to near Indianola,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Curtis, Moorefield, Stockville, Medicine Creek Reservoir State
  Recreation Area, Quick, Orafino, Bluegill Haven Campground, Willow
  View Campground, Freedom, Red Willow Reservoir State Recreation
  Area and Dancing Leaf Earth Lodge.

This includes Highway 83 between mile markers 27 and 45.
 
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 4046 10091 4070 10048 4070 10023 4046 9998
      4044 9999 4043 10009 4035 10010 4035 10084
TIME...MOT...LOC 0208Z 225DEG 30KT 4046 10077 4024 10052 

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

Roberg
2 follow-up statements
453 
WWUS53 KLBF 200236
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
936 PM CDT Sat Jun 19 2021

NEC085-200245-
/O.CAN.KLBF.SV.W.0056.000000T0000Z-210620T0315Z/
Hayes NE-
936 PM CDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAYES COUNTY IS
CANCELLED...

The storms which prompted the warning have weakened and moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
southwestern Nebraska.

LAT...LON 4046 10077 4059 10048 4062 10015 4046 9998
      4044 9999 4043 10009 4035 10010 4035 10068
TIME...MOT...LOC 0235Z 258DEG 19KT 4043 10061 4029 10035 

$$

NEC063-200315-
/O.CON.KLBF.SV.W.0056.000000T0000Z-210620T0315Z/
Frontier NE-
936 PM CDT Sat Jun 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR SOUTHERN FRONTIER COUNTY...

At 935 PM CDT, severe thunderstorms were located along a line
extending from 13 miles southwest of Stockville to near Bartley,
moving east at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Stockville, Medicine Creek Reservoir State Recreation Area, Quick,
Orafino, Bluegill Haven Campground, Willow View Campground, Freedom,
Red Willow Reservoir State Recreation Area and Dancing Leaf Earth
Lodge.

This includes Highway 83 between mile markers 27 and 37.
 
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 4046 10077 4059 10048 4062 10015 4046 9998
      4044 9999 4043 10009 4035 10010 4035 10068
TIME...MOT...LOC 0235Z 258DEG 19KT 4043 10061 4029 10035 

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

Roberg
735 
WWUS53 KLBF 200314
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1014 PM CDT Sat Jun 19 2021

NEC063-200323-
/O.EXP.KLBF.SV.W.0056.000000T0000Z-210620T0315Z/
Frontier NE-
1014 PM CDT Sat Jun 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN FRONTIER COUNTY WILL
EXPIRE AT 1015 PM CDT...
    
The storms which prompted the warning have moved out of the area.
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 midnight CDT 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 4046 10077 4059 10048 4062 10015 4046 9998
      4044 9999 4043 10009 4035 10010 4035 10068
TIME...MOT...LOC 0313Z 225DEG 30KT 4065 10032 4051 10006 

$$

Roberg

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:35 PM CDTSpecial Weather StatementLBFHayes40 min
Jun 19, 8:58 PM CDTSpecial Weather StatementLBFFrontier47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.