Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 228, NWS Goodland, KS

September 1, 2021Dundy County, Nebraska; Cheyenne County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Sep 1, 2021, 6:49 PM MDT for Dundy County, Nebraska; Cheyenne County, Kansas. It was in force for 56 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 1, 2021, 6:49 PM MDT (00:49 UTC)
Expired
Sep 1, 2021, 7:45 PM MDT
In force
56 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.0 in
Wind
70.0 mph

Counties Cheyenne County, KS, Dundy County, NE

The radar

The Goodland radar (KGLD), 66 km from the middle of the area, began a volume at 00:51 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

Denver, CO (KDNR), launched 00:00Z, 0.8 hours before the alert went out and 133 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, Denver, CO at 00:00Z on 2021-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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, Denver, CO at 00:00Z on 2021-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
70 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
2793 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WUUS53 KGLD 020049
SVRGLD
KSC023-NEC057-020145-
/O.NEW.KGLD.SV.W.0228.210902T0049Z-210902T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
649 PM MDT Wed Sep 1 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  North central Cheyenne County in northwestern Kansas...
  Central Dundy County in southwestern Nebraska...

* Until 745 PM MDT/845 PM CDT/.

* At 649 PM MDT/749 PM CDT/, a severe thunderstorm was located near
  St. Francis, moving north at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Benkelman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3971 10167 3976 10189 4034 10173 4026 10139
TIME...MOT...LOC 0049Z 196DEG 25KT 3981 10176 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

DDT
5 follow-up statements
898 
WWUS53 KGLD 020101
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
701 PM MDT Wed Sep 1 2021

KSC023-NEC057-020145-
/O.CON.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Cheyenne KS-Dundy NE-
701 PM MDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM
MDT/845 PM CDT/ FOR NORTH CENTRAL CHEYENNE COUNTY IN NORTHWESTERN
KANSAS AND CENTRAL DUNDY COUNTIES IN SOUTHWESTERN NEBRASKA...

At 701 PM MDT/801 PM CDT/, a severe thunderstorm was located 10 miles
northeast of St. Francis, moving north at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
St. Francis, Benkelman, Parks and Wheeler. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3971 10167 3976 10189 4034 10173 4026 10139
TIME...MOT...LOC 0101Z 198DEG 31KT 3990 10171 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

DDT
289 
WWUS53 KGLD 020113
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
713 PM MDT Wed Sep 1 2021

KSC023-NEC057-020145-
/O.CON.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Cheyenne KS-Dundy NE-
713 PM MDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM
MDT/845 PM CDT/ FOR NORTH CENTRAL CHEYENNE COUNTY IN NORTHWESTERN
KANSAS AND CENTRAL DUNDY COUNTIES IN SOUTHWESTERN NEBRASKA...

At 713 PM MDT/813 PM CDT/, a severe thunderstorm was located 9 miles
southwest of Benkelman, moving north at 40 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Benkelman and Parks. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3977 10168 3981 10184 4034 10173 4026 10139
TIME...MOT...LOC 0113Z 196DEG 35KT 3998 10168 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

DDT
446 
WWUS53 KGLD 020124
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
724 PM MDT Wed Sep 1 2021

KSC023-NEC057-020145-
/O.CON.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Cheyenne KS-Dundy NE-
724 PM MDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM
MDT/845 PM CDT/ FOR NORTH CENTRAL CHEYENNE COUNTY IN NORTHWESTERN
KANSAS AND CENTRAL DUNDY COUNTIES IN SOUTHWESTERN NEBRASKA...

At 723 PM MDT/823 PM CDT/, a severe thunderstorm was located 5 miles
northwest of Benkelman, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Benkelman and Parks. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3983 10168 3986 10180 4034 10173 4026 10139
TIME...MOT...LOC 0123Z 204DEG 38KT 4012 10159 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DDT
134 
WWUS53 KGLD 020136
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
736 PM MDT Wed Sep 1 2021

KSC023-020145-
/O.CAN.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Cheyenne KS-
736 PM MDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CHEYENNE COUNTY
IN NORTHWESTERN KANSAS IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4015 10147 4020 10174 4034 10173 4026 10139
TIME...MOT...LOC 0135Z 196DEG 25KT 4021 10156 

$$

NEC057-020145-
/O.CON.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Dundy NE-
736 PM MDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR NORTHEASTERN DUNDY COUNTY...

At 735 PM MDT, a severe thunderstorm was located 10 miles north of
Benkelman, moving north at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
northeastern Dundy County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4015 10147 4020 10174 4034 10173 4026 10139
TIME...MOT...LOC 0135Z 196DEG 25KT 4021 10156 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

DDT
669 
WWUS53 KGLD 020139
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
739 PM MDT Wed Sep 1 2021

NEC057-020148-
/O.EXP.KGLD.SV.W.0228.000000T0000Z-210902T0145Z/
Dundy NE-
739 PM MDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DUNDY COUNTY WILL
EXPIRE AT 745 PM MDT...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire. However gusty 
winds are still possible with this thunderstorm.

LAT...LON 4015 10147 4020 10174 4034 10173 4026 10139
TIME...MOT...LOC 0138Z 196DEG 25KT 4019 10157 

$$

DDT

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 7:52 PM MDTSpecial Weather StatementGLDDundy23 min
Sep 1, 11:41 PM MDTSpecial Weather StatementGLDHitchcock34 min
Sep 1, 9:27 PM MDTSpecial Weather StatementGLDSherman33 min
Sep 1, 9:48 PM MDTSpecial Weather StatementGLDCheyenne, Sherman27 min
Sep 1, 10:15 PM MDTSpecial Weather StatementGLDSherman30 min
Sep 2, 3:03 AM MDTSpecial Weather StatementGLDGove42 min
Sep 2, 5:33 PM MDTSpecial Weather StatementGLDGove27 min
Sep 2, 5:59 PM MDTSpecial Weather StatementGLDGove31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021Severe Thunderstorm Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.