Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 216, NWS Goodland, KS

August 25, 20214 counties in Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 25, 2021, 7:57 PM CDT for 4 counties in Kansas. It was in force for 63 min. 8 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 25, 2021, 7:57 PM CDT (00:57 UTC)
Expired: Aug 25, 2021, 9:00 PM CDT
In force: 63 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

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

The radar

The Goodland radar (KGLD), 48 km from the middle of the area, began a volume at 01:01 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 25, 8:01 PM CDT	TSTM WND GST 70	8 Wsw Winona, KS	CALLER ESTIMATED 60 TO 70 MPH WINDS.
Aug 25, 8:06 PM CDT	HAIL 1	8 Wsw Winona, KS	CALLER REPORTED PEA TO QUARTER SIZED HAIL.
Aug 25, 8:15 PM CDT	TSTM WND GST 70	4 Ssw Winona, KS	CALLER REPORTED 60 TO 70 MPH WINDS. TIME ESTIMATED BY RADAR.
Aug 25, 8:20 PM CDT	HAIL 1	4 Wnw Winona, KS	SPOTTER REPORTED QUARTER SIZED HAIL. TIME ESTIMATED BY RADAR.
Aug 25, 8:23 PM CDT	TSTM WND GST 59	9 Wsw Winona, KS	MESONET STATION UP840 9.0 W WINONA (UPR) MEASURED A SUSTAINED SPEED OF 53 MPH WITH A GUST OF 59 MPH.
Aug 25, 8:45 PM CDT	HAIL 0.7	Winona, KS	SPOTTER REPORTED PEA TO DIME SIZED HAIL.
Aug 25, 9:00 PM CDT	HAIL 1	1 Sw Levant, KS	OFF-DUTY NWS EMPLOYEE REPORTED QUARTER SIZED HAIL THAT LASTED FOR A 10 MINUTE DURATION.
Aug 25, 9:04 PM CDT	TSTM WND GST 58	10 Wsw Mingo, KS	REPORTED VIA WEATHER UNDERGROUND STATION KKSCOLBY28.

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 00:00Z, 1.0 hours before the alert went out and 188 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: 515 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 2368 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

940 
WUUS53 KGLD 260057
SVRGLD
KSC109-181-193-199-260200-
/O.NEW.KGLD.SV.W.0216.210826T0057Z-210826T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
657 PM MDT Wed Aug 25 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wallace County in west central Kansas...
  Southwestern Thomas County in northwestern Kansas...
  Western Logan County in west central Kansas...
  Southeastern Sherman County in northwestern Kansas...

* Until 800 PM MDT/900 PM CDT/.

* At 657 PM MDT/757 PM CDT/, a severe thunderstorm was located 10
  miles southwest of Winona, or 20 miles east of Sharon Springs,
  moving north at 35 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Winona around 810 PM CDT.

Other locations in the path of this severe thunderstorm include
Brewster.

This includes Interstate 70 in Kansas between mile markers 22 and 53.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3879 10112 3879 10154 3947 10168 3947 10105
TIME...MOT...LOC 0057Z 177DEG 28KT 3896 10138 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

024

2 follow-up statements

581 
WWUS53 KGLD 260109
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
709 PM MDT Wed Aug 25 2021

KSC109-181-193-199-260200-
/O.CON.KGLD.SV.W.0216.000000T0000Z-210826T0200Z/
Wallace KS-Thomas KS-Logan KS-Sherman KS-
709 PM MDT Wed Aug 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM
MDT/900 PM CDT/ FOR NORTHEASTERN WALLACE...SOUTHWESTERN THOMAS...
WESTERN LOGAN AND SOUTHEASTERN SHERMAN COUNTIES...

At 709 PM MDT/809 PM CDT/, a severe thunderstorm was located 7 miles
west of Winona, or 21 miles south of Brewster, moving north at 30
mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Public.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
  Brewster.

This includes Interstate 70 in Kansas between mile markers 22 and 53.
 
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 3879 10112 3879 10154 3947 10168 3947 10105
TIME...MOT...LOC 0109Z 177DEG 28KT 3905 10139 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

024

099 
WWUS53 KGLD 260133
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
733 PM MDT Wed Aug 25 2021

KSC109-181-193-199-260200-
/O.CON.KGLD.SV.W.0216.000000T0000Z-210826T0200Z/
Wallace KS-Thomas KS-Logan KS-Sherman KS-
733 PM MDT Wed Aug 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM
MDT/900 PM CDT/ FOR NORTHEASTERN WALLACE...SOUTHWESTERN THOMAS...
WESTERN LOGAN AND SOUTHEASTERN SHERMAN COUNTIES...

At 733 PM MDT/833 PM CDT/, a severe thunderstorm was located near
Winona, or 23 miles south of Brewster, 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...
Colby, Brewster, Levant, Winona, Russell Springs and Edson. 

This includes Interstate 70 in Kansas between mile markers 22 and 53.
 
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 3879 10112 3879 10154 3947 10168 3947 10105
TIME...MOT...LOC 0133Z 185DEG 31KT 3903 10129 

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

$$

024

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 7:00 PM CDT	Special Weather Statement	GLD	Logan	30 min
Aug 25, 7:17 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Wallace, Wichita	43 min
Aug 25, 8:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Thomas	34 min
Aug 25, 9:38 PM CDT	Special Weather Statement	GLD	Thomas	37 min
Aug 25, 9:53 PM CDT	Special Weather Statement	GLD	Sheridan	37 min
Aug 25, 10:21 PM CDT	Special Weather Statement	GLD	Sheridan	24 min
Aug 25, 10:43 PM CDT	Special Weather Statement	GLD	Decatur	32 min
Aug 25, 11:16 PM CDT	Special Weather Statement	GLD	Decatur	29 min
Aug 25, 11:45 PM CDT	Special Weather Statement	GLD	Norton	30 min
Aug 26, 4:16 PM CDT	Special Weather Statement	GLD	Cheyenne, Sherman	29 min
Aug 26, 4:45 PM CDT	Special Weather Statement	GLD	Cheyenne, Sherman	60 min
Aug 26, 5:41 PM CDT	Special Weather Statement	GLD	Rawlins	34 min
Aug 26, 6:06 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	39 min
Aug 26, 6:07 PM CDT	Special Weather Statement	GLD	Wallace	23 min
Aug 26, 6:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GLD	Sherman, Thomas, Wallace	44 min
Aug 26, 6:28 PM CDT	Special Weather Statement	GLD	Sherman	32 min
Aug 26, 6:35 PM CDT	Special Weather Statement	GLD	Cheyenne	40 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.