Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 171, NWS Topeka, KS

October 24, 2021Jackson County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Oct 24, 2021, 12:37 AM CDT for Jackson County, Kansas. It was in force for 38 min. 1 report 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 24, 2021, 12:37 AM CDT (05:37 UTC)
Expired
Oct 24, 2021, 1:15 AM CDT
In force
38 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Jackson County, KS

The radar

The Topeka radar (KTWX), 78 km from the middle of the area, began a volume at 05:37 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
Oct 24, 12:54 AM CDTHAIL 0.88Holton, KSESTIMATED A BIT LESS THAN 1 INCH HAIL.

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 23, 9:53 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 5.6 hours before the alert went out and 59 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, Topeka, KS at 00:00Z on 2021-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2021-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 339 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
339 m²/s²
0-3 km storm-relative helicity
493 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

771 
WUUS53 KTOP 240537
SVRTOP
KSC085-240615-
/O.NEW.KTOP.SV.W.0171.211024T0537Z-211024T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1237 AM CDT Sun Oct 24 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northern Jackson County in northeastern Kansas...

* Until 115 AM CDT.

* At 1237 AM CDT, a severe thunderstorm was located 5 miles south of
  Circleville, moving northeast at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Holton and Whiting. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3958 9556 3957 9556 3957 9557 3943 9557
      3934 9586 3944 9594 3965 9562 3965 9557
TIME...MOT...LOC 0537Z 238DEG 31KT 3943 9584 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

Reese
3 follow-up statements
925 
WWUS53 KTOP 240549
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1249 AM CDT Sun Oct 24 2021

KSC085-240615-
/O.CON.KTOP.SV.W.0171.000000T0000Z-211024T0615Z/
Jackson-
1249 AM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR NORTHEASTERN JACKSON COUNTY...

At 1249 AM CDT, a severe thunderstorm was located over Holton, moving
northeast at 35 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Holton and Whiting. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3958 9556 3957 9556 3957 9557 3943 9557
      3939 9576 3948 9581 3964 9557
TIME...MOT...LOC 0549Z 236DEG 29KT 3946 9571 

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

$$

Reese
487 
WWUS53 KTOP 240602
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
102 AM CDT Sun Oct 24 2021

KSC085-240615-
/O.CON.KTOP.SV.W.0171.000000T0000Z-211024T0615Z/
Jackson-
102 AM CDT Sun Oct 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR EAST CENTRAL JACKSON COUNTY...

At 102 AM CDT, a severe thunderstorm was located 4 miles southwest of
Muscotah, moving northeast at 35 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of east
central Jackson County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3957 9556 3957 9557 3946 9557 3946 9565
      3954 9569 3960 9556
TIME...MOT...LOC 0602Z 236DEG 29KT 3952 9560 

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

$$

Reese
021 
WWUS53 KTOP 240611
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
111 AM CDT Sun Oct 24 2021

KSC085-240619-
/O.EXP.KTOP.SV.W.0171.000000T0000Z-211024T0615Z/
Jackson-
111 AM CDT Sun Oct 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL JACKSON COUNTY
WILL EXPIRE AT 115 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. Small hail remains 
possible with a second storm moving behind the first storm.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
northeastern Kansas.

LAT...LON 3957 9556 3957 9557 3946 9557 3946 9565
      3954 9569 3960 9556
TIME...MOT...LOC 0609Z 238DEG 31KT 3955 9554 

$$

Reese

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 10:59 PM CDTSpecial Weather StatementTOPWashington31 min
Oct 23, 11:26 PM CDTSpecial Weather StatementTOPPottawatomie34 min
Oct 23, 11:34 PM CDTSpecial Weather StatementTOPWashington26 min
Oct 23, 11:59 PM CDTSpecial Weather StatementTOPJackson31 min
Oct 24, 12:28 AM CDTSpecial Weather StatementTOPJackson32 min
Oct 24, 12:30 AM CDTSpecial Weather StatementTOPMarshall15 min
Oct 24, 1:08 AM CDTSpecial Weather StatementTOPJackson37 min
Oct 24, 1:38 AM CDTSpecial Weather StatementTOPBrown37 min
Oct 24, 3:55 AM CDTSpecial Weather StatementTOPLyon50 min
Oct 24, 4:25 AM CDTSpecial Weather StatementTOPWabaunsee35 min
Oct 24, 4:35 AM CDTSpecial Weather StatementTOPLyon, Osage25 min
Oct 24, 4:45 AM CDTSpecial Weather StatementTOPShawnee, Wabaunsee30 min
Oct 24, 4:51 AM CDTSpecial Weather StatementTOPLyon24 min
Oct 24, 5:06 AM CDTSpecial Weather StatementTOPOsage24 min
Oct 24, 5:08 AM CDTSpecial Weather StatementTOPCoffey37 min
Oct 24, 5:34 AM CDTSpecial Weather StatementTOPCoffey26 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.