Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 213, NWS Goodland, KS

August 22, 2021Decatur County, Kansas; Red Willow County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Aug 22, 2021, 5:03 PM CDT for Decatur County, Kansas; Red Willow County, Nebraska. It was in force for 42 min. 3 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 22, 2021, 5:03 PM CDT (22:03 UTC)
Expired
Aug 22, 2021, 5:45 PM CDT
In force
42 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Decatur County, KS, Red Willow County, NE

The radar

The Goodland radar (KGLD), 140 km from the middle of the area, began a volume at 22:02 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 22, 5:15 PM CDTHAIL 14 Wsw Danbury, NECALLER REPORTED SPORADIC DIME TO QUARTER SIZED HAIL. TIME ESTIMATED BY RADAR.
Aug 22, 5:21 PM CDTHAIL 1.5Danbury, NESPOTTER REPORTED MOSTLY PEA TO QUARTER SIZED HAIL WITH SPORADIC PING PONG SIZED HAIL MIXED IN.
Aug 22, 5:24 PM CDTHAIL 0.73 Ene Danbury, NECALLER REPORTED DIME SIZED HAIL. TIME ESTIMATED BY RADAR.

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
Aug 22, 5:01 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.1 hours before the alert went out and 122 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 12:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 12:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 537 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
26 J/kg
Mixed-layer CIN
-584 J/kg
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
537 m²/s²
0-3 km storm-relative helicity
608 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

738 
WUUS53 KGLD 222203
SVRGLD
KSC039-NEC145-222245-
/O.NEW.KGLD.SV.W.0213.210822T2203Z-210822T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
503 PM CDT Sun Aug 22 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northern Decatur County in northwestern Kansas...
  Southeastern Red Willow County in southwestern Nebraska...

* Until 545 PM CDT.

* At 503 PM CDT, a severe thunderstorm was located near Herndon, or
  14 miles northwest of Oberlin, moving east at 25 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Danbury and Lebanon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4024 10020 4000 10019 4000 10018 3994 10018
      3992 10063 4003 10067
TIME...MOT...LOC 2203Z 254DEG 23KT 3995 10074 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

AW
3 follow-up statements
713 
WWUS53 KGLD 222213
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
513 PM CDT Sun Aug 22 2021

KSC039-NEC145-222245-
/O.CON.KGLD.SV.W.0213.000000T0000Z-210822T2245Z/
Decatur KS-Red Willow NE-
513 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHEASTERN DECATUR AND SOUTHEASTERN RED WILLOW COUNTIES...

At 513 PM CDT, a severe thunderstorm was located near Danbury, or 14
miles north of Oberlin, moving east at 25 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Danbury, Lebanon and Cedar Bluffs. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4024 10020 4000 10019 4000 10018 3994 10018
      3992 10055 4005 10063
TIME...MOT...LOC 2213Z 251DEG 24KT 4002 10045 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

AW
821 
WWUS53 KGLD 222230
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
530 PM CDT Sun Aug 22 2021

KSC039-NEC145-222245-
/O.CON.KGLD.SV.W.0213.000000T0000Z-210822T2245Z/
Decatur KS-Red Willow NE-
530 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHEASTERN DECATUR AND SOUTHEASTERN RED WILLOW COUNTIES...

At 529 PM CDT, a severe thunderstorm was located near Lebanon, or 19
miles southeast of McCook, moving east at 25 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Danbury and Lebanon. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4024 10020 4000 10019 4000 10018 3996 10018
      3998 10039 4010 10043
TIME...MOT...LOC 2229Z 254DEG 23KT 4005 10031 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

AW
095 
WWUS53 KGLD 222248
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
548 PM CDT Sun Aug 22 2021

KSC039-NEC145-222257-
/O.EXP.KGLD.SV.W.0213.000000T0000Z-210822T2245Z/
Decatur KS-Red Willow NE-
548 PM CDT Sun Aug 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DECATUR AND
SOUTHEASTERN RED WILLOW COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern Kansas...and southwestern Nebraska.

LAT...LON 4024 10020 4000 10019 4000 10018 3996 10018
      3998 10039 4010 10043
TIME...MOT...LOC 2247Z 254DEG 23KT 4008 10016 

$$

AW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 2:31 AM CDTSpecial Weather StatementGLDCheyenne44 min
Aug 22, 3:09 AM CDTSpecial Weather StatementGLDCheyenne51 min
Aug 22, 3:36 AM CDTSpecial Weather StatementGLDCheyenne39 min
Aug 22, 4:05 AM CDTSpecial Weather StatementGLDRawlins40 min
Aug 22, 5:18 PM CDTSpecial Weather StatementGLDGove27 min
Aug 22, 5:40 PM CDTSpecial Weather StatementGLDSheridan20 min
Aug 22, 6:06 PM CDTSpecial Weather StatementGLDGraham24 min
Aug 22, 6:12 PM CDTSpecial Weather StatementGLDNorton18 min
Aug 22, 6:32 PM CDTSpecial Weather StatementGLDNorton13 min
Aug 22, 6:52 PM CDTSpecial Weather StatementGLDNorton23 min
Aug 22, 4:54 AM CDTSpecial Weather StatementGLDRed Willow51 min
Aug 22, 4:52 PM CDTSpecial Weather StatementGLDRed Willow23 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021Severe Thunderstorm Warnings in Nebraska, 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.