Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS North Platte, NE

June 11, 2021Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 11, 2021, 12:27 AM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 48 min. 1 report 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 11, 2021, 12:27 AM MDT (06:27 UTC)
Expired
Jun 11, 2021, 1:15 AM MDT
In force
48 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherry County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 141 km from the middle of the area, began a volume at 06:31 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 11, 12:32 AM MDTTSTM WND GST 659 Wsw Merriman, NELARGE TREE LIMBS DOWN.

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 10, 8:08 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 6.5 hours before the alert went out and 161 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, Rapid City, SD at 00:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1559 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, Rapid City, SD at 00:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
1559 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
2700 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.0

Open this sounding in Storm Lab

The text

As transmitted.

957 
WUUS53 KLBF 110627
SVRLBF
NEC031-161-110715-
/O.NEW.KLBF.SV.W.0046.210611T0627Z-210611T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1227 AM MDT Fri Jun 11 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Northwestern Cherry County in north central Nebraska...
  Northeastern Sheridan County in the Panhandle of Nebraska...

* Until 115 AM MDT.

* At 1227 AM MDT, a severe thunderstorm was located near Gordon,
  moving northeast at 40 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...
  Gordon, Merriman, Hoover Lake, Highway 61 Crossing The Niobrara
  River, Irwin, Intersection of Highway 61 and Shadbolt Road,
  Intersection of Highway 20 and Irwin Road, Shell Lake State
  Wildlife Management Area, Rock Hill, Bayonne and Intersection of
  Highway 27 and Mills Road.

This includes the following highways...
 Highway 20 between mile markers 103 and 147.
 Highway 61 between mile markers 206 and 231.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4299 10146 4265 10148 4265 10222 4300 10232
TIME...MOT...LOC 0627Z 242DEG 34KT 4284 10210 

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

Taylor
3 follow-up statements
036 
WWUS53 KLBF 110648
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1248 AM MDT Fri Jun 11 2021

NEC031-161-110715-
/O.CON.KLBF.SV.W.0046.000000T0000Z-210611T0715Z/
Cherry NE-Sheridan NE-
1248 AM MDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM MDT
FOR NORTHWESTERN CHERRY AND NORTHEASTERN SHERIDAN COUNTIES...

At 1247 AM MDT, a severe thunderstorm was located near Merriman, or
13 miles south of Martin, moving northeast at 45 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...
Gordon, Merriman, Hoover Lake, Highway 61 Crossing The Niobrara
River, Irwin, Intersection of Highway 61 and Shadbolt Road,
Intersection of Highway 20 and Irwin Road, Shell Lake State Wildlife
Management Area, Rock Hill, Bayonne and Intersection of Highway 27
and Mills Road.

This includes the following highways...
 Highway 20 between mile markers 103 and 147.
 Highway 61 between mile markers 206 and 231.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4299 10146 4265 10148 4265 10222 4300 10232
TIME...MOT...LOC 0647Z 238DEG 37KT 4298 10176 

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

Taylor
729 
WWUS53 KLBF 110705
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
105 AM MDT Fri Jun 11 2021

NEC031-161-110715-
/O.CON.KLBF.SV.W.0046.000000T0000Z-210611T0715Z/
Cherry NE-Sheridan NE-
105 AM MDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM MDT
FOR NORTHWESTERN CHERRY AND NORTHEASTERN SHERIDAN COUNTIES...

At 105 AM MDT, a severe thunderstorm was located over Lacreek
Wildlife Refuge, or 11 miles southeast of Martin, moving northeast at
40 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Gordon, Merriman, Hoover Lake, Highway 61 Crossing The Niobrara
River, Irwin, Intersection of Highway 61 and Shadbolt Road,
Intersection of Highway 20 and Irwin Road, Shell Lake State Wildlife
Management Area, Rock Hill, Bayonne and Intersection of Highway 27
and Mills Road.

This includes the following highways...
 Highway 20 between mile markers 103 and 147.
 Highway 61 between mile markers 206 and 231.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4299 10146 4265 10148 4265 10222 4300 10232
TIME...MOT...LOC 0705Z 242DEG 34KT 4306 10155 

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

Keck
536 
WWUS53 KLBF 110709
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
109 AM MDT Fri Jun 11 2021

NEC031-161-110719-
/O.EXP.KLBF.SV.W.0046.000000T0000Z-210611T0715Z/
Cherry NE-Sheridan NE-
109 AM MDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHERRY AND
NORTHEASTERN SHERIDAN COUNTIES WILL EXPIRE AT 115 AM MDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM MDT for
the Panhandle of and north central Nebraska.

LAT...LON 4299 10146 4265 10148 4265 10222 4300 10232
TIME...MOT...LOC 0709Z 242DEG 34KT 4308 10151 

$$

Keck

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 11:10 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan50 min
Jun 11, 12:01 AM MDTSevere Thunderstorm WarningLBFCherry, Sheridan44 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.