Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 221, NWS Goodland, KS

August 26, 2021Sherman County, Thomas County, Wallace County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 26, 2021, 5:16 PM MDT for Sherman County, Thomas County, Wallace County, Kansas. It was in force for 44 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
Aug 26, 2021, 5:16 PM MDT (23:16 UTC)
Expired
Aug 26, 2021, 6:00 PM MDT
In force
44 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.0 in
Wind
70.0 mph

Counties Sherman County, KS, Thomas County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 22 km from the middle of the area, began a volume at 23:18 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

TimeReportWhereRemark
Aug 26, 5:50 PM MDTTSTM WND GST 705 Nnw Edson, KSREPORT OF 60 TO 70 MPH WIND GUSTS WITH STORMS MOVING THROUGH THE AREA. TIME ESTIMATED BASED ON RADAR.
Aug 26, 5:50 PM MDTHAIL 0.255 Nnw Edson, KSREPORT OF SOME PEA SIZE HAIL. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 156 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 2021-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 852 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 2021-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
852 J/kg
Mixed-layer CIN
-281 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

728 
WUUS53 KGLD 262316
SVRGLD
KSC181-193-199-270000-
/O.NEW.KGLD.SV.W.0221.210826T2316Z-210827T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
516 PM MDT Thu Aug 26 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northern Wallace County in west central Kansas...
  West central Thomas County in northwestern Kansas...
  Southern Sherman County in northwestern Kansas...

* Until 600 PM MDT/700 PM CDT/.

* At 516 PM MDT/616 PM CDT/, a severe thunderstorm was located 11
  miles south of Goodland, moving northeast at 25 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.

* This severe thunderstorm will remain over mainly rural areas of
  northern Wallace, west central Thomas and southern Sherman
  Counties, including the following locations... Edson.

This includes Interstate 70 in Kansas between mile markers 15 and 36.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This thunderstorm will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.

&&

LAT...LON 3918 10204 3946 10154 3924 10125 3913 10146
      3914 10148 3912 10148 3891 10189
TIME...MOT...LOC 2316Z 239DEG 21KT 3918 10174 

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

$$

024
2 follow-up statements
346 
WWUS53 KGLD 262345
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
545 PM MDT Thu Aug 26 2021

KSC181-193-199-270000-
/O.CON.KGLD.SV.W.0221.000000T0000Z-210827T0000Z/
Wallace KS-Thomas KS-Sherman KS-
545 PM MDT Thu Aug 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM
MDT/700 PM CDT/ FOR NORTHERN WALLACE...WEST CENTRAL THOMAS AND
SOUTHERN SHERMAN COUNTIES...

At 545 PM MDT/645 PM CDT/, a severe thunderstorm was located 10 miles
southeast of Goodland, moving northeast at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Goodland and Edson. 

This includes Interstate 70 in Kansas between mile markers 15 and 36.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This thunderstorm will produce damaging winds resulting in areas of
near zero visibility in blowing dirt. Use extreme caution if you must
travel and be alert for rapidly changing visibility.

&&

LAT...LON 3918 10204 3946 10154 3924 10125 3913 10146
      3914 10148 3912 10148 3896 10189
TIME...MOT...LOC 2345Z 239DEG 21KT 3927 10155 

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

$$

024
547 
WWUS53 KGLD 262357
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
557 PM MDT Thu Aug 26 2021

KSC181-193-199-270007-
/O.EXP.KGLD.SV.W.0221.000000T0000Z-210827T0000Z/
Wallace KS-Thomas KS-Sherman KS-
557 PM MDT Thu Aug 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WALLACE...WEST
CENTRAL THOMAS AND SOUTHERN SHERMAN COUNTIES WILL EXPIRE AT 600 PM
MDT/700 PM CDT/...
                
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 will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3918 10204 3946 10154 3924 10125 3913 10146
      3914 10148 3912 10148 3896 10189
TIME...MOT...LOC 2357Z 239DEG 21KT 3930 10149 

$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 6:00 PM MDTSpecial Weather StatementGLDLogan30 min
Aug 25, 6:17 PM MDTSevere Thunderstorm WarningGLDLogan, Wallace, Wichita43 min
Aug 25, 6:57 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDLogan, Sherman, Thomas, Wallace63 min
Aug 25, 7:58 PM MDTSevere Thunderstorm Warning Considerable damage threatGLDThomas34 min
Aug 25, 8:38 PM MDTSpecial Weather StatementGLDThomas37 min
Aug 25, 8:53 PM MDTSpecial Weather StatementGLDSheridan37 min
Aug 25, 9:21 PM MDTSpecial Weather StatementGLDSheridan24 min
Aug 25, 9:43 PM MDTSpecial Weather StatementGLDDecatur32 min
Aug 25, 10:16 PM MDTSpecial Weather StatementGLDDecatur29 min
Aug 25, 10:45 PM MDTSpecial Weather StatementGLDNorton30 min
Aug 26, 3:16 PM MDTSpecial Weather StatementGLDCheyenne, Sherman29 min
Aug 26, 3:45 PM MDTSpecial Weather StatementGLDCheyenne, Sherman60 min
Aug 26, 4:41 PM MDTSpecial Weather StatementGLDRawlins34 min
Aug 26, 5:06 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas39 min
Aug 26, 5:07 PM MDTSpecial Weather StatementGLDWallace23 min
Aug 26, 5:28 PM MDTSpecial Weather StatementGLDSherman32 min
Aug 26, 5:35 PM MDTSpecial Weather StatementGLDCheyenne40 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; radar from the NEXRAD Level II archive.