Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, NWS Goodland, KS

July 18, 2021Wallace County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Jul 18, 2021, 12:40 PM MDT for Wallace County, Kansas. It was in force for 46 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
Jul 18, 2021, 12:40 PM MDT (18:40 UTC)
Expired
Jul 18, 2021, 1:26 PM MDT
In force
46 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Wallace County, KS

The radar

The Goodland radar (KGLD), 44 km from the middle of the area, began a volume at 18:42 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 12:00Z, 6.7 hours before the alert went out and 155 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 12:00Z on 2021-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 12:00Z on 2021-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
-396 J/kg
Mixed-layer LCL
2164 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

576 
WUUS53 KGLD 181840
SVRGLD
KSC199-181945-
/O.NEW.KGLD.SV.W.0165.210718T1840Z-210718T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
1240 PM MDT Sun Jul 18 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wallace County in west central Kansas...

* Until 145 PM MDT.

* At 1239 PM MDT, a severe thunderstorm was located 8 miles north of
  Sharon Springs, moving southwest at 5 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.

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Wallace County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3882 10188 3904 10204 3913 10188 3913 10177
      3896 10162
TIME...MOT...LOC 1839Z 054DEG 7KT 3902 10180 

HAIL...1.00IN
WIND...60MPH
 
$$

Lundquist
2 follow-up statements
028 
WWUS53 KGLD 181855
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
1255 PM MDT Sun Jul 18 2021

KSC199-181945-
/O.CON.KGLD.SV.W.0165.000000T0000Z-210718T1945Z/
Wallace KS-
1255 PM MDT Sun Jul 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM MDT
FOR NORTHWESTERN WALLACE COUNTY...

At 1255 PM MDT, a severe thunderstorm was located 8 miles northwest
of Sharon Springs, moving southwest at 10 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...
Sharon Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3882 10188 3904 10204 3913 10188 3913 10177
      3896 10162
TIME...MOT...LOC 1855Z 054DEG 7KT 3900 10183 

HAIL...1.00IN
WIND...60MPH
 
$$

Lundquist
833 
WWUS53 KGLD 181926
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
126 PM MDT Sun Jul 18 2021

KSC199-181935-
/O.CAN.KGLD.SV.W.0165.000000T0000Z-210718T1945Z/
Wallace KS-
126 PM MDT Sun Jul 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WALLACE COUNTY IS
CANCELLED...
                
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 has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 3882 10188 3904 10204 3913 10188 3913 10177
      3896 10162
TIME...MOT...LOC 1920Z 054DEG 7KT 3896 10189 

$$

Lundquist

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:27 AM MDTDense Fog AdvisoryGLDGraham, Norton93 min
Jul 18, 7:46 AM MDTSpecial Weather StatementGLDNorton14 min
Jul 18, 8:01 AM MDTSpecial Weather StatementGLDNorton14 min
Jul 18, 9:20 AM MDTSevere Thunderstorm WarningGLDDecatur55 min
Jul 18, 9:55 AM MDTSevere Thunderstorm WarningGLDDecatur50 min
Jul 18, 10:07 AM MDTSevere Thunderstorm WarningGLDNorton23 min
Jul 18, 10:23 AM MDTSpecial Weather StatementGLDGraham, Sheridan22 min
Jul 18, 10:45 AM MDTSpecial Weather StatementGLDGraham15 min
Jul 18, 10:49 AM MDTSpecial Weather StatementGLDDecatur26 min
Jul 18, 10:57 AM MDTSpecial Weather StatementGLDGraham18 min
Jul 18, 11:13 AM MDTSpecial Weather StatementGLDSheridan17 min
Jul 18, 11:15 AM MDTSpecial Weather StatementGLDGraham15 min
Jul 18, 11:24 AM MDTSpecial Weather StatementGLDGove21 min
Jul 18, 12:07 PM MDTSpecial Weather StatementGLDSherman23 min
Jul 18, 12:17 PM MDTSevere Thunderstorm WarningGLDSherman58 min
Jul 18, 12:32 PM MDTSpecial Weather StatementGLDWallace13 min
Jul 18, 12:33 PM MDTSevere Thunderstorm WarningGLDSherman46 min
Jul 18, 1:10 PM MDTSpecial Weather StatementGLDGreeley20 min
Jul 18, 1:18 PM MDTSevere Thunderstorm WarningGLDGreeley57 min
Jul 18, 1:47 PM MDTSevere Thunderstorm WarningGLDGreeley58 min
Jul 18, 2:19 PM MDTSpecial Weather StatementGLDCheyenne26 min
Jul 18, 2:50 PM MDTSpecial Weather StatementGLDCheyenne25 min
Jul 18, 3:01 PM MDTSevere Thunderstorm WarningGLDCheyenne44 min
Jul 18, 3:25 PM MDTSpecial Weather StatementGLDRawlins20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.