Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS North Platte, NE

June 13, 20214 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 13, 2021, 8:41 PM MDT for 4 counties in Nebraska. It was in force for 49 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 13, 2021, 8:41 PM MDT (02:41 UTC)
Expired
Jun 13, 2021, 9:30 PM MDT
In force
49 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Cherry County, NE, Garden County, NE, Grant County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 146 km from the middle of the area, began a volume at 02:45 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, 2.7 hours before the alert went out and 184 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 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1461 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
1461 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
2200 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

470 
WUUS53 KLBF 140241
SVRLBF
NEC031-069-075-161-140330-
/O.NEW.KLBF.SV.W.0049.210614T0241Z-210614T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
841 PM MDT Sun Jun 13 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cherry County in north central Nebraska...
  Western Grant County in west central Nebraska...
  Northern Garden County in the Panhandle of Nebraska...
  Southern Sheridan County in the Panhandle of Nebraska...

* Until 930 PM MDT.

* At 840 PM MDT, severe thunderstorms were located along a line
  extending from 15 miles south of Gordon to 26 miles southeast of
  Rushville to 15 miles north of Ellsworth to 10 miles northeast of
  Antioch, moving southeast at 30 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...
  Ellsworth, Hyannis, Ashby, Antioch, Big Hill, Dipping Vat Meadow, 
  Billys Lake, Swede Lake, Deer Lake, Britton Lake, and Intersection 
  of Highway 61 and Survey Valley Road.

This includes the following highways...
 Highway 250 between mile markers 1 and 36.
 Highway 2 between mile markers 96 and 146.
 Highway 61 between mile markers 159 and 198.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4269 10231 4250 10149 4215 10162 4202 10172
      4160 10215 4192 10268 4200 10268 4201 10270
      4209 10270 4210 10274 4224 10275
TIME...MOT...LOC 0240Z 303DEG 27KT 4258 10217 4240 10216 4228 10223
4215 10245

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

NMJ
2 follow-up statements
100 
WWUS53 KLBF 140304
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
904 PM MDT Sun Jun 13 2021

NEC031-069-075-161-140330-
/O.CON.KLBF.SV.W.0049.000000T0000Z-210614T0330Z/
Cherry NE-Grant NE-Garden NE-Sheridan NE-
904 PM MDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM MDT
FOR SOUTHWESTERN CHERRY...WESTERN GRANT...NORTHEASTERN GARDEN AND
SOUTHEASTERN SHERIDAN COUNTIES...

At 904 PM MDT, severe thunderstorms were located along a line
extending from 18 miles southwest of Medicine Lake to 28 miles
northwest of Whitman to 21 miles north of Hyannis to 12 miles
northwest of Ashby, moving east at 45 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Ellsworth, Hyannis, Ashby, Big Hill, Dipping Vat Meadow, Billys 
Lake, Swede Lake, Deer Lake, and Britton Lake.

This includes the following highways...
 Highway 250 between mile markers 1 and 19.
 Highway 2 between mile markers 103 and 146.
 Highway 61 between mile markers 159 and 198.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4250 10149 4215 10162 4202 10172 4160 10215
      4182 10252 4212 10258 4266 10217
TIME...MOT...LOC 0304Z 262DEG 40KT 4261 10176 4243 10175 4231 10183
4218 10205

HAIL...0.88IN
WIND...70MPH
 
$$

NMJ
419 
WWUS53 KLBF 140326
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
926 PM MDT Sun Jun 13 2021

NEC031-069-075-161-140336-
/O.EXP.KLBF.SV.W.0049.000000T0000Z-210614T0330Z/
Cherry NE-Grant NE-Garden NE-Sheridan NE-
926 PM MDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CHERRY...WESTERN
GRANT...NORTHEASTERN GARDEN AND SOUTHEASTERN SHERIDAN COUNTIES WILL
EXPIRE AT 930 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 are still possible with these thunderstorms.

LAT...LON 4250 10149 4215 10162 4202 10172 4160 10215
      4182 10252 4212 10258 4266 10217
TIME...MOT...LOC 0326Z 270DEG 27KT 4252 10158 4234 10157 4222 10165
4209 10187

$$

NMJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:50 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan40 min
Jun 13, 8:02 PM MDTSpecial Weather StatementLBFGarden43 min
Jun 13, 8:20 PM MDTSevere Thunderstorm WarningLBFSheridan40 min
Jun 13, 8:28 PM MDTSpecial Weather StatementLBFSheridan47 min
Jun 13, 9:25 PM MDTSpecial Weather StatementLBFCherry50 min
Jun 13, 9:48 PM MDTSpecial Weather StatementLBFArthur, Grant42 min
Jun 13, 10:19 PM MDTSpecial Weather StatementLBFGrant, Hooker, McPherson41 min
Jun 13, 11:03 PM MDTSpecial Weather StatementLBFGarden42 min
Jun 13, 11:24 PM MDTSpecial Weather StatementLBFMcPherson51 min
Jun 14, 12:58 AM MDTSpecial Weather StatementLBFGarden47 min
Jun 14, 1:02 AM MDTSevere Thunderstorm WarningLBFGarden43 min
Jun 14, 1:46 AM MDTSpecial Weather StatementLBFDeuel44 min
Jun 14, 2:44 AM MDTSpecial Weather StatementLBFHolt46 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.