Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 131, NWS North Platte, NE

August 14, 2021Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 14, 2021, 7:57 PM MDT for Deuel County, Garden 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: Aug 14, 2021, 7:57 PM MDT (01:57 UTC)
Expired: Aug 14, 2021, 8:45 PM MDT
In force: 48 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Deuel County, NE, Garden County, NE

The radar

The North Platte radar (KLNX), 171 km from the middle of the area, began a volume at 02:00 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

Time	Report	Where	Remark
Aug 14, 8:05 PM MDT	HAIL 1	9 Ssw Oshkosh, NE

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.

Issued	Product	Office	Lasted
Aug 14, 3:28 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.0 hours before the alert went out and 151 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: 1783 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1421 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 16.9

Open this sounding in Storm Lab

The text

As transmitted.

222 
WUUS53 KLBF 150157
SVRLBF
NEC049-069-150245-
/O.NEW.KLBF.SV.W.0131.210815T0157Z-210815T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
757 PM MDT Sat Aug 14 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  South central Garden County in the Panhandle of Nebraska...
  Deuel County in the Panhandle of Nebraska...

* Until 845 PM MDT.

* At 757 PM MDT, a severe thunderstorm was located 9 miles south of
  Oshkosh, moving south at 30 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...
  Chappell and Intersection of Highway 27 and 9 Mile Road. 

This includes Interstate 80 in Nebraska between mile markers 82 and
100.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4135 10249 4138 10237 4135 10225 4100 10219
      4100 10257
TIME...MOT...LOC 0157Z 358DEG 27KT 4127 10237 

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

$$

NMJ

2 follow-up statements

426 
WWUS53 KLBF 150216
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
816 PM MDT Sat Aug 14 2021

NEC069-150226-
/O.CAN.KLBF.SV.W.0131.000000T0000Z-210815T0245Z/
Garden NE-
816 PM MDT Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL GARDEN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
the Panhandle of Nebraska.

LAT...LON 4122 10252 4122 10223 4100 10219 4100 10246
      4101 10257
TIME...MOT...LOC 0216Z 004DEG 34KT 4111 10239 

$$

NEC049-150245-
/O.CON.KLBF.SV.W.0131.000000T0000Z-210815T0245Z/
Deuel NE-
816 PM MDT Sat Aug 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR WESTERN DEUEL COUNTY...

At 816 PM MDT, a severe thunderstorm was located near Chappell,
moving south 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...
Chappell.

This includes Interstate 80 in Nebraska between mile markers 81 and
100.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4122 10252 4122 10223 4100 10219 4100 10246
      4101 10257
TIME...MOT...LOC 0216Z 004DEG 34KT 4111 10239 

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

$$

NMJ

361 
WWUS53 KLBF 150244
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
844 PM MDT Sat Aug 14 2021

NEC049-150253-
/O.EXP.KLBF.SV.W.0131.000000T0000Z-210815T0245Z/
Deuel NE-
844 PM MDT Sat Aug 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN DEUEL COUNTY WILL
EXPIRE AT 845 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM MDT for
the Panhandle of 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 4122 10252 4122 10223 4100 10219 4100 10246
      4101 10257
TIME...MOT...LOC 0243Z 358DEG 27KT 4091 10238 

$$

NMJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 6:27 PM MDT	Special Weather Statement	LBF	Garden	48 min
Aug 14, 6:59 PM MDT	Severe Thunderstorm Warning	LBF	Garden	46 min
Aug 14, 7:34 PM MDT	Severe Thunderstorm Warning	LBF	Garden	26 min
Aug 14, 11:31 PM MDT	Special Weather Statement	LBF	Loup	59 min
Aug 15, 12:27 AM MDT	Special Weather Statement	LBF	Rock	63 min
Aug 15, 1:23 AM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Brown, Rock	31 min
Aug 15, 3:26 AM MDT	Special Weather Statement	LBF	Sherman	64 min
Aug 15, 4:01 AM MDT	Areal Flood Advisory	LBF	Custer	102 min
Aug 15, 4:29 AM MDT	Special Weather Statement	LBF	Holt	46 min
Aug 15, 4:35 AM MDT	Special Weather Statement	LBF	Custer	40 min
Aug 15, 5:35 AM MDT	Special Weather Statement	LBF	Garfield	40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.