Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 162, NWS North Platte, NE

August 28, 2021Blaine County, Custer County, Loup County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 28, 2021, 7:13 PM CDT for Blaine County, Custer County, Loup County, Nebraska. It was in force for 62 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: Aug 28, 2021, 7:13 PM CDT (00:13 UTC)
Expired: Aug 28, 2021, 8:15 PM CDT
In force: 62 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Blaine County, NE, Custer County, NE, Loup County, NE

The radar

The North Platte radar (KLNX), 95 km from the middle of the area, began a volume at 00:12 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.

Issued	Product	Office	Lasted
Aug 28, 3:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 116 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: 2510 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 2148 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.7

Open this sounding in Storm Lab

The text

As transmitted.

679 
WUUS53 KLBF 290013
SVRLBF
NEC009-041-115-290115-
/O.NEW.KLBF.SV.W.0162.210829T0013Z-210829T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
713 PM CDT Sat Aug 28 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southern Loup County in north central Nebraska...
  Northeastern Custer County in central Nebraska...
  Southeastern Blaine County in north central Nebraska...

* Until 815 PM CDT.

* At 713 PM CDT, a severe thunderstorm was located 13 miles west of
  Taylor, moving east at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Taylor, Sargent, Milburn, Milburn Diversion Dam State Wildlife
  Management Area, Linscott, Walworth, Almeria, Divide Hill, Gates
  and Kent Diversion Dam State Wildlife Management Area.

This includes the following highways...
 Highway 183 between mile markers 112 and 128.
 Highway 2 between mile markers 243 and 254.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4166 9922 4157 9943 4171 10016 4191 9987
      4187 9946 4177 9922 4174 9921
TIME...MOT...LOC 0013Z 285DEG 26KT 4180 9963 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Roberg

2 follow-up statements

070 
WWUS53 KLBF 290033
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
733 PM CDT Sat Aug 28 2021

NEC009-041-115-290115-
/O.CON.KLBF.SV.W.0162.000000T0000Z-210829T0115Z/
Loup NE-Custer NE-Blaine NE-
733 PM CDT Sat Aug 28 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHERN LOUP...NORTHEASTERN CUSTER AND SOUTHEASTERN BLAINE
COUNTIES...

At 733 PM CDT, a severe thunderstorm was located 7 miles southeast of
Dunning, or 12 miles southwest of Brewster, moving east at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Taylor, Sargent, Milburn, Milburn Diversion Dam State Wildlife
Management Area, Linscott, Walworth, Almeria, Divide Hill, Gates and
Kent Diversion Dam State Wildlife Management Area.

This includes the following highways...
 Highway 183 between mile markers 112 and 128.
 Highway 2 between mile markers 243 and 254.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4166 9922 4157 9943 4171 10016 4191 9987
      4187 9946 4177 9922 4174 9921
TIME...MOT...LOC 0033Z 258DEG 24KT 4177 9997 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Roberg

625 
WWUS53 KLBF 290113
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
813 PM CDT Sat Aug 28 2021

NEC009-041-115-290123-
/O.EXP.KLBF.SV.W.0162.000000T0000Z-210829T0115Z/
Loup NE-Custer NE-Blaine NE-
813 PM CDT Sat Aug 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LOUP...NORTHEASTERN
CUSTER AND SOUTHEASTERN BLAINE COUNTIES WILL EXPIRE AT 815 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses 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 this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central and north central 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 4166 9922 4157 9943 4171 10016 4191 9987
      4187 9946 4177 9922 4174 9921
TIME...MOT...LOC 0113Z 285DEG 26KT 4170 9961 

$$

Roberg

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 7:01 PM CDT	Special Weather Statement	LBF	Custer	29 min
Aug 28, 7:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Garfield, Holt, Loup, Wheeler	66 min
Aug 28, 7:15 PM CDT	Special Weather Statement	LBF	Frontier	30 min
Aug 28, 7:31 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	44 min
Aug 28, 7:42 PM CDT	Severe Thunderstorm Warning	LBF	Custer	33 min
Aug 28, 7:46 PM CDT	Special Weather Statement	LBF	Garfield	44 min
Aug 28, 8:03 PM CDT	Areal Flood Advisory	LBF	Blaine, Loup	3 hr
Aug 28, 8:07 PM CDT	Special Weather Statement	LBF	Holt	38 min
Aug 28, 8:18 PM CDT	Special Weather Statement	LBF	Loup	42 min
Aug 28, 8:19 PM CDT	Special Weather Statement	LBF	Wheeler	41 min
Aug 28, 8:21 PM CDT	Special Weather Statement	LBF	Frontier	39 min
Aug 28, 8:55 PM CDT	Special Weather Statement	LBF	Frontier	50 min
Aug 28, 8:57 PM CDT	Special Weather Statement	LBF	Custer	48 min
Aug 28, 10:21 PM CDT	Special Weather Statement	LBF	Frontier	39 min
Aug 28, 11:33 PM CDT	Areal Flood Advisory	LBF	Garfield, Wheeler	6 hr
Aug 29, 12:03 AM CDT	Special Weather Statement	LBF	Frontier	42 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.