Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 109, NWS Topeka, KS

July 10, 2021Cloud County, Republic County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jul 10, 2021, 4:25 AM CDT for Cloud County, Republic County, Kansas. It was in force for 35 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
Jul 10, 2021, 4:25 AM CDT (09:25 UTC)
Expired
Jul 10, 2021, 5:00 AM CDT
In force
35 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Cloud County, KS, Republic County, KS

The radar

The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 09:28 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
Jul 10, 4:38 AM CDTTSTM WND GST 612 Sse Concordia, KSKCNK BLOSSER FIELD.

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
Jul 9, 9:58 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.4 hours before the alert went out and 191 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 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2790 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, Topeka, KS at 00:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2790 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1645 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.9

Open this sounding in Storm Lab

The text

As transmitted.

752 
WUUS53 KTOP 100925
SVRTOP
KSC029-157-101000-
/O.NEW.KTOP.SV.W.0109.210710T0925Z-210710T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
425 AM CDT Sat Jul 10 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southern Republic County in north central Kansas...
  Cloud County in north central Kansas...

* Until 500 AM CDT.

* At 419 AM CDT, a severe thunderstorm was located near Randall,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Concordia, Belleville, Clyde, Miltonvale, Glasco, Scandia,
  Jamestown, Courtland, Cuba, Norway, Agenda and Aurora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3985 9793 3979 9737 3931 9737 3931 9793
TIME...MOT...LOC 0919Z 280DEG 35KT 3966 9800 

HAIL...0.88IN
WIND...60MPH
 
$$
CP/BB
3 follow-up statements
405 
WWUS53 KTOP 100942
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
442 AM CDT Sat Jul 10 2021

KSC029-157-101000-
/O.CON.KTOP.SV.W.0109.000000T0000Z-210710T1000Z/
Republic-Cloud-
442 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR SOUTHERN REPUBLIC AND CLOUD COUNTIES...

At 441 AM CDT, a severe thunderstorm was located near Concordia,
moving east at 50 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...At 436 AM, 55 MPH winds were measured at Concordia Airport. 

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

Locations impacted include...
Concordia, Belleville, Clyde, Miltonvale, Glasco, Scandia, Cuba,
Norway, Agenda and Aurora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 9737 3931 9737 3934 9787 3984 9779
TIME...MOT...LOC 0941Z 279DEG 44KT 3956 9760 

HAIL...0.88IN
WIND...60MPH
 
$$

Baerg
877 
WWUS53 KTOP 100944
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
444 AM CDT Sat Jul 10 2021

KSC029-157-101000-
/O.CON.KTOP.SV.W.0109.000000T0000Z-210710T1000Z/
Republic-Cloud-
444 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR SOUTHERN REPUBLIC AND CLOUD COUNTIES...

At 443 AM CDT, a severe thunderstorm was located 4 miles east of
Concordia, moving east at 50 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...At 438 AM, 61 MPH winds were reported at the Concordia 
         Airport. 

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

Locations impacted include...
Concordia, Belleville, Clyde, Miltonvale, Glasco, Scandia, Cuba,
Norway, Agenda and Aurora.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 9737 3931 9737 3934 9787 3984 9779
TIME...MOT...LOC 0943Z 279DEG 44KT 3955 9758 

HAIL...0.88IN
WIND...60MPH
 
$$

Baerg
384 
WWUS53 KTOP 100952
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
452 AM CDT Sat Jul 10 2021

KSC157-101000-
/O.CAN.KTOP.SV.W.0109.000000T0000Z-210710T1000Z/
Republic-
452 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN REPUBLIC COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3965 9773 3965 9737 3931 9737 3933 9777
TIME...MOT...LOC 0950Z 279DEG 35KT 3965 9746 3932 9757 

$$

KSC029-101000-
/O.CON.KTOP.SV.W.0109.000000T0000Z-210710T1000Z/
Cloud-
452 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR CLOUD COUNTY...

At 450 AM CDT, severe thunderstorms were located along a line
extending from 4 miles south of Agenda to 6 miles west of Miltonvale,
moving east at 40 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...At 438 AM, 61 MPH winds were reported at the Concordia 
         Airport. 

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

Locations impacted include...
Concordia, Clyde, Miltonvale and Aurora. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3965 9773 3965 9737 3931 9737 3933 9777
TIME...MOT...LOC 0950Z 279DEG 35KT 3965 9746 3932 9757 

HAIL...0.88IN
WIND...60MPH
 
$$

Baerg

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 11:19 PM CDTSevere Thunderstorm WarningTOPRepublic56 min
Jul 9, 11:54 PM CDTSevere Thunderstorm WarningTOPWashington66 min
Jul 10, 12:00 AM CDTSevere Thunderstorm WarningTOPCloud60 min
Jul 10, 12:13 AM CDTSevere Thunderstorm WarningTOPRepublic32 min
Jul 10, 12:34 AM CDTSevere Thunderstorm WarningTOPClay, Marshall, Pottawatomie, Riley, Washington56 min
Jul 10, 12:57 AM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Geary, Marshall, Nemaha, Pottawatomie and 1 more48 min
Jul 10, 1:19 AM CDTSevere Thunderstorm WarningTOPGeary, Jackson, Morris, Shawnee, Wabaunsee56 min
Jul 10, 1:45 AM CDTSevere Thunderstorm WarningTOPBrown30 min
Jul 10, 1:49 AM CDTSpecial Weather StatementTOPRiley26 min
Jul 10, 1:58 AM CDTSevere Thunderstorm WarningTOPCoffey, Douglas, Franklin, Jefferson, Lyon, Morris and 3 more47 min
Jul 10, 2:44 AM CDTSpecial Weather StatementTOPRiley31 min
Jul 10, 3:08 AM CDTSpecial Weather StatementTOPWabaunsee37 min
Jul 10, 3:27 AM CDTSpecial Weather StatementTOPLyon33 min
Jul 10, 4:02 AM CDTSpecial Weather StatementTOPLyon, Osage28 min
Jul 10, 4:13 AM CDTSpecial Weather StatementTOPCloud32 min
Jul 10, 4:36 AM CDTSpecial Weather StatementTOPAnderson, Franklin54 min
Jul 10, 4:40 AM CDTSpecial Weather StatementTOPClay35 min
Jul 10, 5:05 AM CDTSpecial Weather StatementTOPRiley40 min
Jul 10, 5:58 AM CDTSpecial Weather StatementTOPWabaunsee47 min
Jul 10, 3:34 PM CDTSpecial Weather StatementTOPRepublic56 min
Jul 10, 4:11 PM CDTSpecial Weather StatementTOPWashington34 min
Jul 10, 4:45 PM CDTSpecial Weather StatementTOPWashington30 min
Jul 10, 4:53 PM CDTSpecial Weather StatementTOPBrown, Nemaha67 min
Jul 10, 5:05 PM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie, Washington25 min
Jul 10, 5:26 PM CDTSpecial Weather StatementTOPPottawatomie34 min
Jul 10, 5:47 PM CDTSpecial Weather StatementTOPPottawatomie28 min
Jul 10, 5:54 PM CDTSpecial Weather StatementTOPDickinson, Geary36 min
Jul 10, 6:16 PM CDTSpecial Weather StatementTOPJefferson29 min
Jul 10, 6:47 PM CDTSpecial Weather StatementTOPDouglas28 min
Jul 10, 6:52 PM CDTSpecial Weather StatementTOPDouglas, Osage, Shawnee53 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.