Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 176, NWS North Platte, NE

September 11, 2021Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 11, 2021, 10:59 PM MDT for Cherry County, Nebraska. It was in force for 61 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: Sep 11, 2021, 10:59 PM MDT (04:59 UTC)
Expired: Sep 12, 2021, 12:00 AM MDT
In force: 61 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 71 km from the middle of the area, began a volume at 04:59 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, 5.0 hours before the alert went out and 155 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: 1607 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 2830 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

028 
WUUS53 KLBF 120459
SVRLBF
NEC031-120600-
/O.NEW.KLBF.SV.W.0176.210912T0459Z-210912T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1159 PM CDT Sat Sep 11 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Central Cherry County in north central Nebraska...

* Until 100 AM CDT/midnight MDT/.

* At 1158 PM CDT/1058 PM MDT/, a severe thunderstorm was located 16
  miles southeast of Medicine Lake, or 34 miles north of Mullen,
  moving east at 35 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...
  Valentine National Wildlife Refuge, Merritt Reservoir, Highway 97
  crossing the North Loup River, Speckel Meir Lake, Steer Creek
  Campground, Anderson Bridge State Wildlife Management Area,
  Schlagel Creek State Wildlife Management Area, Highway 97 crossing
  the Niobrara River, Highway 97 crossing Big Creek, Sevenmile Hill,
  Big Alkali Lake State Wildlife Management Area, Highway 83 crossing
  Goose Creek and Marsh Flat.

This includes the following highways...
 Highway 97 between mile markers 86 and 135.
 Highway 83 between mile markers 174 and 192.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4229 10141 4258 10152 4289 10068 4233 10041
TIME...MOT...LOC 0458Z 256DEG 31KT 4251 10129 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Buttler

3 follow-up statements

584 
WWUS53 KLBF 120516
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1216 AM CDT Sun Sep 12 2021

NEC031-120600-
/O.CON.KLBF.SV.W.0176.000000T0000Z-210912T0600Z/
Cherry NE-
1216 AM CDT Sun Sep 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR CENTRAL CHERRY COUNTY...

At 1215 AM CDT/1115 PM MDT/, a severe thunderstorm was located 10
miles southwest of Merritt Reservoir, or 32 miles southwest of
Valentine, moving east 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...
Valentine National Wildlife Refuge, Merritt Reservoir, Highway 97
crossing the North Loup River, Speckel Meir Lake, Steer Creek
Campground, Anderson Bridge State Wildlife Management Area, Schlagel
Creek State Wildlife Management Area, Highway 97 crossing the
Niobrara River, Highway 97 crossing Big Creek, Sevenmile Hill, Big
Alkali Lake State Wildlife Management Area, Highway 83 crossing Goose
Creek and Marsh Flat.

This includes the following highways...
 Highway 97 between mile markers 86 and 135.
 Highway 83 between mile markers 174 and 192.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4229 10141 4258 10152 4289 10068 4233 10041
TIME...MOT...LOC 0515Z 256DEG 35KT 4255 10103 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Buttler

720 
WWUS53 KLBF 120528
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1228 AM CDT Sun Sep 12 2021

NEC031-120600-
/O.CON.KLBF.SV.W.0176.000000T0000Z-210912T0600Z/
Cherry NE-
1228 AM CDT Sun Sep 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR CENTRAL CHERRY COUNTY...

At 1228 AM CDT/1128 PM MDT/, a severe thunderstorm was located near
Merritt Reservoir, or 23 miles southwest of Valentine, moving east 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...
Valentine National Wildlife Refuge, Merritt Reservoir, Highway 97
crossing the North Loup River, Steer Creek Campground, Anderson
Bridge State Wildlife Management Area, Schlagel Creek State Wildlife
Management Area, Highway 97 crossing the Niobrara River, Highway 97
crossing Big Creek, Big Alkali Lake State Wildlife Management Area,
Highway 83 crossing Goose Creek and Marsh Flat.

This includes the following highways...
 Highway 97 between mile markers 86 and 135.
 Highway 83 between mile markers 174 and 192.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 10116 4266 10130 4289 10068 4233 10041
TIME...MOT...LOC 0528Z 252DEG 36KT 4261 10083 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Buttler

239 
WWUS53 KLBF 120552
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1252 AM CDT Sun Sep 12 2021

NEC031-120602-
/O.EXP.KLBF.SV.W.0176.000000T0000Z-210912T0600Z/
Cherry NE-
1252 AM CDT Sun Sep 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHERRY COUNTY WILL
EXPIRE AT 100 AM CDT/MIDNIGHT 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.

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

LAT...LON 4230 10116 4266 10130 4289 10068 4233 10041
TIME...MOT...LOC 0552Z 256DEG 31KT 4266 10058 

$$

Buttler

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 6:07 PM MDT	Special Weather Statement	LBF	Sheridan	38 min
Sep 11, 6:53 PM MDT	Special Weather Statement	LBF	Cherry	52 min
Sep 11, 7:39 PM MDT	Special Weather Statement	LBF	Deuel	51 min
Sep 11, 7:55 PM MDT	Special Weather Statement	LBF	Deuel, Garden	50 min
Sep 11, 8:18 PM MDT	Special Weather Statement	LBF	Cherry	42 min
Sep 11, 8:45 PM MDT	Special Weather Statement	LBF	Garden, Keith	45 min
Sep 11, 9:11 PM MDT	Special Weather Statement	LBF	Arthur, Keith	49 min
Sep 11, 9:37 PM MDT	Special Weather Statement	LBF	Lincoln, McPherson	38 min
Sep 11, 10:06 PM MDT	Special Weather Statement	LBF	Hooker, Logan, McPherson, Thomas	39 min
Sep 11, 10:19 PM MDT	Special Weather Statement	LBF	Cherry, Grant	41 min
Sep 11, 10:43 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Logan, McPherson, Thomas	62 min
Sep 12, 12:00 AM MDT	Special Weather Statement	LBF	Garfield, Holt, Rock, Wheeler	45 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.