Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 169, NWS Topeka, KS

October 10, 2021Anderson County, Coffey County, Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Oct 10, 2021, 7:33 PM CDT for Anderson County, Coffey County, Franklin County, Kansas. It was in force for 27 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 10, 2021, 7:33 PM CDT (00:33 UTC)
Expired: Oct 10, 2021, 8:00 PM CDT
In force: 27 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Anderson County, KS, Coffey County, KS, Franklin County, KS

The radar

The Topeka radar (KTWX), 94 km from the middle of the area, began a volume at 00:37 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

Time	Report	Where	Remark
Oct 10, 7:35 PM CDT	HAIL 1.75	6 E New Strawn, KS	TIME ESTIMATED FROM RADAR. SPOTTER REPORTED BRIEF HAIL UP TO GOLF-BALL SIZE.

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

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.6 hours before the alert went out and 71 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1808 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -61 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

379 
WUUS53 KTOP 110033
SVRTOP
KSC003-031-059-110100-
/O.NEW.KTOP.SV.W.0169.211011T0033Z-211011T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
733 PM CDT Sun Oct 10 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southwestern Franklin County in east central Kansas...
  Northwestern Anderson County in east central Kansas...
  Northeastern Coffey County in east central Kansas...

* Until 800 PM CDT.

* At 732 PM CDT, a severe thunderstorm was located near New Strawn,
  moving northeast at 35 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Burlington, Waverly, New Strawn and Harris. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3834 9525 3819 9574 3830 9582 3843 9553
      3843 9551 3845 9551 3852 9535
TIME...MOT...LOC 0032Z 237DEG 32KT 3829 9568 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gargan

3 follow-up statements

360 
WWUS53 KTOP 110037
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
737 PM CDT Sun Oct 10 2021

KSC003-031-059-110100-
/O.CON.KTOP.SV.W.0169.000000T0000Z-211011T0100Z/
Franklin-Anderson-Coffey-
737 PM CDT Sun Oct 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN FRANKLIN...NORTHWESTERN ANDERSON AND NORTHEASTERN
COFFEY COUNTIES...

At 737 PM CDT, a severe thunderstorm was located 5 miles south of
Waverly, moving northeast at 35 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Waverly and Harris. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3834 9525 3823 9566 3834 9574 3843 9553
      3843 9551 3845 9551 3852 9535
TIME...MOT...LOC 0037Z 237DEG 32KT 3832 9563 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gargan

910 
WWUS53 KTOP 110045
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
745 PM CDT Sun Oct 10 2021

KSC003-031-059-110100-
/O.CON.KTOP.SV.W.0169.000000T0000Z-211011T0100Z/
Franklin-Anderson-Coffey-
745 PM CDT Sun Oct 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN FRANKLIN...NORTHWESTERN ANDERSON AND NORTHEASTERN
COFFEY COUNTIES...

At 743 PM CDT, a severe thunderstorm was located 4 miles southeast of
Waverly, moving northeast at 40 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Waverly and Harris.

At 7:35 PM...A storm Spotter reported golf ball size hail 6 miles 
east of New Strawn.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3834 9525 3827 9560 3837 9567 3843 9553
      3843 9551 3845 9551 3852 9535
TIME...MOT...LOC 0043Z 237DEG 33KT 3835 9555 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gargan

504 
WWUS53 KTOP 110052
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
752 PM CDT Sun Oct 10 2021

KSC031-110101-
/O.CAN.KTOP.SV.W.0169.000000T0000Z-211011T0100Z/
Coffey-
752 PM CDT Sun Oct 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN COFFEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3834 9525 3829 9551 3840 9551 3843 9550
      3843 9551 3845 9551 3852 9535
TIME...MOT...LOC 0051Z 237DEG 33KT 3839 9546 

$$

KSC003-059-110100-
/O.CON.KTOP.SV.W.0169.000000T0000Z-211011T0100Z/
Franklin-Anderson-
752 PM CDT Sun Oct 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHWESTERN FRANKLIN AND NORTHWESTERN ANDERSON COUNTIES...

At 751 PM CDT, a severe thunderstorm was located 5 miles north of
Harris, moving northeast at 40 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Harris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3834 9525 3829 9551 3840 9551 3843 9550
      3843 9551 3845 9551 3852 9535
TIME...MOT...LOC 0051Z 237DEG 33KT 3839 9546 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gargan

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 10, 7:15 PM CDT	Special Weather Statement	TOP	Coffey	30 min
Oct 10, 7:56 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	34 min
Oct 11, 4:44 AM CDT	Areal Flood Advisory	TOP	Coffey, Douglas, Franklin, Lyon, Osage, Shawnee	2 hr
Oct 11, 6:54 AM CDT	Areal Flood Warning	TOP	Coffey, Douglas, Franklin, Lyon, Osage, Shawnee	3 hr
Oct 11, 7:57 AM CDT	River Flood Warning	TOP	Osage	6 hr

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.