Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Topeka, KS

June 20, 2021Anderson County, Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 20, 2021, 9:22 PM CDT for Anderson County, Franklin County, Kansas. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 20, 2021, 9:22 PM CDT (02:22 UTC)
Expired: Jun 20, 2021, 9:45 PM CDT
In force: 23 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Anderson County, KS, Franklin County, KS

The radar

The Pleasant Hill radar (KEAX), 95 km from the middle of the area, began a volume at 02:23 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.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.4 hours before the alert went out and 86 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: 2316 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 2228 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.8

Open this sounding in Storm Lab

The text

As transmitted.

035 
WUUS53 KTOP 210222
SVRTOP
KSC003-059-210245-
/O.NEW.KTOP.SV.W.0064.210621T0222Z-210621T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
922 PM CDT Sun Jun 20 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southeastern Franklin County in east central Kansas...
  Northeastern Anderson County in east central Kansas...

* Until 945 PM CDT.

* At 921 PM CDT, a severe thunderstorm was located 5 miles southwest
  of Richmond, moving east at 25 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...
  Garnett, Richmond, Greeley and Lane. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3826 9507 3824 9507 3828 9540 3845 9540
      3847 9507 3826 9506
TIME...MOT...LOC 0221Z 270DEG 21KT 3836 9533 

HAIL...1.25IN
WIND...60MPH
 
$$

Teefey

3 follow-up statements

700 
WWUS53 KTOP 210230
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
930 PM CDT Sun Jun 20 2021

KSC003-059-210245-
/O.CON.KTOP.SV.W.0064.000000T0000Z-210621T0245Z/
Franklin-Anderson-
930 PM CDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN FRANKLIN AND NORTHEASTERN ANDERSON COUNTIES...

At 930 PM CDT, a severe thunderstorm was located near Richmond,
moving east at 25 mph.

HAZARD...Ping pong 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.

Locations impacted include...
Garnett, Richmond, Greeley and Lane. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3826 9507 3824 9507 3828 9536 3845 9532
      3847 9507 3826 9506
TIME...MOT...LOC 0230Z 270DEG 21KT 3836 9526 

HAIL...1.50IN
WIND...60MPH
 
$$

Teefey

337 
WWUS53 KTOP 210236
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
936 PM CDT Sun Jun 20 2021

KSC059-210246-
/O.CAN.KTOP.SV.W.0064.000000T0000Z-210621T0245Z/
Franklin-
936 PM CDT Sun Jun 20 2021

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

LAT...LON 3826 9507 3824 9508 3827 9530 3839 9529
      3839 9507 3826 9506
TIME...MOT...LOC 0236Z 270DEG 21KT 3836 9521 

$$

KSC003-210245-
/O.CON.KTOP.SV.W.0064.000000T0000Z-210621T0245Z/
Anderson-
936 PM CDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN ANDERSON COUNTY...

At 936 PM CDT, a severe thunderstorm was located near Richmond,
moving east at 25 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...
Garnett and Greeley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3826 9507 3824 9508 3827 9530 3839 9529
      3839 9507 3826 9506
TIME...MOT...LOC 0236Z 270DEG 21KT 3836 9521 

HAIL...1.00IN
WIND...60MPH
 
$$

Teefey

284 
WWUS53 KTOP 210240
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
940 PM CDT Sun Jun 20 2021

KSC003-210250-
/O.EXP.KTOP.SV.W.0064.000000T0000Z-210621T0245Z/
Anderson-
940 PM CDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ANDERSON COUNTY
WILL EXPIRE AT 945 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 3826 9507 3824 9508 3827 9530 3839 9529
      3839 9507 3826 9506
TIME...MOT...LOC 0240Z 270DEG 21KT 3836 9519 

$$

Teefey

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:15 PM CDT	Special Weather Statement	TOP	Osage	15 min
Jun 20, 7:19 PM CDT	Severe Thunderstorm Warning	TOP	Osage	26 min
Jun 20, 7:34 PM CDT	Special Weather Statement	TOP	Coffey	26 min
Jun 20, 7:44 PM CDT	Severe Thunderstorm Warning	TOP	Franklin, Osage	31 min
Jun 20, 7:49 PM CDT	Special Weather Statement	TOP	Coffey	26 min
Jun 20, 8:02 PM CDT	Severe Thunderstorm Warning	TOP	Coffey	28 min
Jun 20, 8:07 PM CDT	Severe Thunderstorm Warning	TOP	Franklin, Osage	23 min
Jun 20, 8:26 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	34 min
Jun 20, 9:00 PM CDT	Special Weather Statement	TOP	Anderson	15 min
Jun 20, 9:11 PM CDT	Special Weather Statement	TOP	Anderson	34 min
Jun 20, 9:34 PM CDT	Special Weather Statement	TOP	Franklin	26 min
Jun 20, 11:19 PM CDT	Special Weather Statement	TOP	Anderson	26 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.