Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 241, NWS Goodland, KS

October 26, 2021Graham County, Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Oct 26, 2021, 8:46 PM CDT for Graham County, Norton County, Kansas. It was in force for 59 min. 2 reports 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
Oct 26, 2021, 8:46 PM CDT (01:46 UTC)
Expired
Oct 26, 2021, 9:45 PM CDT
In force
59 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Damage threat
Considerable
Hail
0.75 in
Wind
70.0 mph

Counties Graham County, KS, Norton County, KS

What was reported inside it

TimeReportWhereRemark
Oct 26, 8:49 PM CDTHAIL 0.25Hill City, KS
Oct 26, 8:50 PM CDTTSTM WND GST 701 E Hill City, KSASOS STATION KHLC HILL CITY.

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.

IssuedProductOfficeLasted
Oct 26, 6:17 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 183 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 385 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 418 square meters per square second.1939587897Sfc1 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
385 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
418 m²/s²
0-3 km storm-relative helicity
529 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

311 
WUUS53 KGLD 270146
SVRGLD
KSC065-137-270245-
/O.NEW.KGLD.SV.W.0241.211027T0146Z-211027T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
846 PM CDT Tue Oct 26 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Norton County in northwestern Kansas...
  Graham County in northwestern Kansas...

* Until 945 PM CDT.

* At 846 PM CDT, severe thunderstorms were located along a line
  extending from 9 miles south of Hendley to 3 miles southwest of
  Edmond to 10 miles northeast of Wakeeney, moving east at 65 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

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

* These severe thunderstorms will remain over mainly rural areas of
  Norton and Graham Counties, including the following locations...
  Densmore, Penokee, Saint Peter, Reager, New Almelo and Calvert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas.

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

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas.

&&

LAT...LON 3913 10014 3949 10012 3998 10018 4000 10006
      4000 9962 3913 9961
TIME...MOT...LOC 0146Z 251DEG 57KT 4000 9994 3958 9986 3915 9978 

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

$$

MRC
5 follow-up statements
440 
WWUS53 KGLD 270152
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
852 PM CDT Tue Oct 26 2021

KSC065-137-270245-
/O.CON.KGLD.SV.W.0241.000000T0000Z-211027T0245Z/
Norton KS-Graham KS-
852 PM CDT Tue Oct 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTON AND GRAHAM COUNTIES...

At 851 PM CDT, severe thunderstorms were located along a line
extending from 7 miles south of Beaver City to 3 miles southeast of
Edmond to 8 miles southwest of Palco, moving east at 65 mph.

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

SOURCE...Weather instrument at Hill City Airport.

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...
Norton, Hill City, Almena, Lenora, Morland, Bogue and Edmond. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

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

&&

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

LAT...LON 3913 10014 3949 10012 3998 10018 4000 10006
      4000 9962 3913 9961
TIME...MOT...LOC 0151Z 251DEG 57KT 4002 9985 3960 9977 3917 9969 

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

$$

MRC
407 
WWUS53 KGLD 270202
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
902 PM CDT Tue Oct 26 2021

KSC065-137-270245-
/O.CON.KGLD.SV.W.0241.000000T0000Z-211027T0245Z/
Norton KS-Graham KS-
902 PM CDT Tue Oct 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTON AND GRAHAM COUNTIES...

At 901 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southwest of Stamford to near Logan to 3 miles
southeast of Palco, moving east at 65 mph.

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

SOURCE...Weather instrument at Hill City Airport.

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...
Norton, Hill City, Almena, Bogue, Edmond, Densmore and Penokee. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

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

&&

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

LAT...LON 3913 10005 3950 9998 4000 10003 4000 9962
      3913 9961
TIME...MOT...LOC 0201Z 251DEG 57KT 4006 9968 3964 9960 3921 9952 

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

$$

MRC
254 
WWUS53 KGLD 270218
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
918 PM CDT Tue Oct 26 2021

KSC065-137-270245-
/O.CON.KGLD.SV.W.0241.000000T0000Z-211027T0245Z/
Norton KS-Graham KS-
918 PM CDT Tue Oct 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR EASTERN NORTON AND EASTERN GRAHAM COUNTIES...

At 918 PM CDT, severe thunderstorms were located along a line
extending from 3 miles south of Long Island to 3 miles northeast of
Logan to 4 miles south of Webster State Park, moving north at 60 mph.

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

SOURCE...Weather instrument at Hill City Airport.

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

Locations impacted include...
Hill City, Almena, Bogue, Densmore and Calvert. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

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

&&

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

LAT...LON 3913 10005 3953 9978 4000 9985 4000 9962
      3913 9961
TIME...MOT...LOC 0218Z 187DEG 50KT 3990 9951 3969 9952 3933 9946 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

MRC
931 
WWUS53 KGLD 270233
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
933 PM CDT Tue Oct 26 2021

KSC065-137-270245-
/O.CON.KGLD.SV.W.0241.000000T0000Z-211027T0245Z/
Norton KS-Graham KS-
933 PM CDT Tue Oct 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN NORTON AND EASTERN GRAHAM COUNTIES...

At 932 PM CDT, severe thunderstorms were located along a line
extending from 5 miles northeast of Orleans to near Phillipsburg to 6
miles south of Stockton, moving northeast at 40 mph.

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

SOURCE...Weather instrument at Hill City Airport.

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

Locations impacted include...
Bogue.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

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

&&

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

LAT...LON 3913 9989 3953 9978 3972 9962 3913 9961
TIME...MOT...LOC 0232Z 233DEG 36KT 4018 9938 3973 9929 3935 9927 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

MRC
814 
WWUS53 KGLD 270236
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
936 PM CDT Tue Oct 26 2021

KSC065-137-270245-
/O.EXP.KGLD.SV.W.0241.000000T0000Z-211027T0245Z/
Norton KS-Graham KS-
936 PM CDT Tue Oct 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NORTON AND
EASTERN GRAHAM COUNTIES WILL EXPIRE AT 945 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 100 AM CDT for northwestern
Kansas in Graham and Norton Counties.

Remember, a Tornado Warning still remains in effect for Graham and 
Norton Counties until 100 AM CDT.

LAT...LON 3913 9989 3953 9978 3972 9962 3913 9961
TIME...MOT...LOC 0235Z 270DEG 57KT 4019 9936 3974 9927 3936 9925 

$$

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 26, 7:38 PM CDTSpecial Weather StatementGLDSheridan37 min
Oct 26, 7:55 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan35 min
Oct 26, 8:20 PM CDTSpecial Weather StatementGLDGraham25 min
Oct 26, 8:42 PM CDTSpecial Weather StatementGLDGraham, Norton33 min

Nearby

Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.