Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 133, NWS North Platte, NE

August 19, 2021Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 19, 2021, 3:13 PM MDT for Deuel County, Garden County, Nebraska. It was in force for 47 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 19, 2021, 3:13 PM MDT (21:13 UTC)
Expired: Aug 19, 2021, 4:00 PM MDT
In force: 47 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), 173 km from the middle of the area, began a volume at 21:13 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 19, 3:22 PM MDT	HAIL 0.88	5 Se Chappell, 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 19, 1:14 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.2 hours before the alert went out and 149 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: 541 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

608 
WUUS53 KLBF 192113
SVRLBF
NEC049-069-192200-
/O.NEW.KLBF.SV.W.0133.210819T2113Z-210819T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
313 PM MDT Thu Aug 19 2021

The National Weather Service in North Platte has issued a

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

* Until 400 PM MDT.

* At 313 PM MDT, a severe thunderstorm was located over Chappell,
  moving north at 25 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, Big Springs, Barton, Mount Vernon, Intersection of
  Highway 27 and 9 Mile Road, Goldeneye State Wildlife Management
  Area and Windlass Hill.

This includes Interstate 80 in Nebraska between mile markers 80 and
108.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4138 10253 4127 10205 4101 10205 4100 10250
      4106 10259
TIME...MOT...LOC 2113Z 193DEG 23KT 4108 10242 

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

$$

Taylor

2 follow-up statements

459 
WWUS53 KLBF 192125
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
325 PM MDT Thu Aug 19 2021

NEC049-069-192200-
/O.CON.KLBF.SV.W.0133.000000T0000Z-210819T2200Z/
Garden NE-Deuel NE-
325 PM MDT Thu Aug 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT
FOR SOUTHWESTERN GARDEN AND DEUEL COUNTIES...

At 324 PM MDT, a severe thunderstorm was located near Chappell,
moving north at 25 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, Big Springs, Barton, Mount Vernon, Intersection of Highway
27 and 9 Mile Road, Goldeneye State Wildlife Management Area and
Windlass Hill.

This includes Interstate 80 in Nebraska between mile markers 83 and
108.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4138 10253 4127 10205 4101 10205 4100 10248
      4114 10255
TIME...MOT...LOC 2124Z 201DEG 22KT 4113 10236 

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

$$

Taylor

784 
WWUS53 KLBF 192152
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
352 PM MDT Thu Aug 19 2021

NEC049-069-192200-
/O.CON.KLBF.SV.W.0133.000000T0000Z-210819T2200Z/
Garden NE-Deuel NE-
352 PM MDT Thu Aug 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT
FOR SOUTH CENTRAL GARDEN AND DEUEL COUNTIES...

At 352 PM MDT, a severe thunderstorm was located near Julesburg,
moving north 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...
Chappell, Big Springs, Barton and Goldeneye State Wildlife Management
Area.

This includes Interstate 80 in Nebraska between mile markers 83 and
108.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4123 10244 4127 10205 4101 10205 4100 10248
      4114 10255
TIME...MOT...LOC 2152Z 196DEG 30KT 4106 10233 

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

$$

Taylor

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 3:00 PM MDT	Special Weather Statement	LBF	Deuel	45 min
Aug 19, 3:22 PM MDT	Special Weather Statement	LBF	Sheridan	38 min
Aug 19, 4:01 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden	44 min
Aug 19, 4:02 PM MDT	Areal Flood Advisory	LBF	Deuel	3 hr
Aug 19, 4:35 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Keith	40 min
Aug 19, 4:48 PM MDT	Areal Flood Advisory	LBF	Garden	3 hr
Aug 19, 4:48 PM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden	27 min
Aug 19, 4:50 PM MDT	Special Weather Statement	LBF	Garden	40 min
Aug 19, 5:00 PM MDT	Special Weather Statement	LBF	Perkins	45 min
Aug 19, 5:10 PM MDT	Tornado Warning	LBF	Chase, Perkins	50 min
Aug 19, 5:17 PM MDT	Severe Thunderstorm Warning	LBF	Keith	43 min
Aug 19, 5:19 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Arthur	41 min
Aug 19, 5:23 PM MDT	Special Weather Statement	LBF	Grant	52 min
Aug 19, 5:44 PM MDT	Areal Flood Advisory	LBF	Keith	3 hr
Aug 19, 5:59 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, McPherson	46 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.