Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 91, NWS Topeka, KS

June 25, 20214 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 25, 2021, 4:04 PM CDT for 4 counties in Kansas. It was in force for 41 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 25, 2021, 4:04 PM CDT (21:04 UTC)
Expired
Jun 25, 2021, 4:45 PM CDT
In force
41 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jackson County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 36 km from the middle of the area, began a volume at 21:07 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 1:43 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.1 hours before the alert went out and 23 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 12:00Z on 2021-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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 12:00Z on 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -236 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
146 J/kg
Mixed-layer CIN
-476 J/kg
Mixed-layer LCL
1200 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-236 m²/s²
0-3 km storm-relative helicity
-188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

871 
WUUS53 KTOP 252104
SVRTOP
KSC085-149-177-197-252145-
/O.NEW.KTOP.SV.W.0091.210625T2104Z-210625T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
404 PM CDT Fri Jun 25 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northwestern Shawnee County in east central Kansas...
  Northeastern Wabaunsee County in east central Kansas...
  Southeastern Pottawatomie County in northeastern Kansas...
  Southwestern Jackson County in northeastern Kansas...

* Until 445 PM CDT.

* At 404 PM CDT, a severe thunderstorm was located over Maple Hill,
  moving north at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Topeka, Rossville, St. Marys, Silver Lake, Hoyt, Maple Hill,
  Emmett, Delia and Willard.

This includes Interstate 70 between mile markers 336 and 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3898 9570 3904 9615 3936 9608 3928 9564
TIME...MOT...LOC 2104Z 197DEG 18KT 3909 9602 

HAIL...0.75IN
WIND...60MPH
 
$$

Flanagan/Gargan
2 follow-up statements
496 
WWUS53 KTOP 252125
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
425 PM CDT Fri Jun 25 2021

KSC149-197-252135-
/O.CAN.KTOP.SV.W.0091.000000T0000Z-210625T2145Z/
Wabaunsee-Pottawatomie-
425 PM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WABAUNSEE AND
SOUTHEASTERN POTTAWATOMIE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Kansas.

LAT...LON 3898 9570 3905 9594 3933 9594 3928 9564
TIME...MOT...LOC 2125Z 219DEG 20KT 3912 9576 

$$

KSC085-177-252145-
/O.CON.KTOP.SV.W.0091.000000T0000Z-210625T2145Z/
Shawnee-Jackson-
425 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR NORTHWESTERN SHAWNEE AND SOUTHWESTERN JACKSON COUNTIES...

At 425 PM CDT, a severe thunderstorm was located 5 miles east of
Silver Lake, moving northeast at 20 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Topeka, Silver Lake, Hoyt and Willard. 

This includes Interstate 70 between mile markers 347 and 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3898 9570 3905 9594 3933 9594 3928 9564
TIME...MOT...LOC 2125Z 219DEG 20KT 3912 9576 

HAIL...0.75IN
WIND...60MPH
 
$$

Flanagan/Gargan
899 
WWUS53 KTOP 252143
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
443 PM CDT Fri Jun 25 2021

KSC085-177-252153-
/O.EXP.KTOP.SV.W.0091.000000T0000Z-210625T2145Z/
Shawnee-Jackson-
443 PM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SHAWNEE AND
SOUTHWESTERN JACKSON COUNTIES WILL EXPIRE AT 445 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Kansas.

LAT...LON 3898 9570 3905 9594 3933 9594 3928 9564
TIME...MOT...LOC 2143Z 197DEG 18KT 3920 9573 

$$

Flanagan/Gargan

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:00 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha45 min
Jun 24, 7:07 PM CDTSevere Thunderstorm WarningTOPPottawatomie23 min
Jun 24, 7:17 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha43 min
Jun 24, 7:25 PM CDTSevere Thunderstorm WarningTOPBrown35 min
Jun 24, 7:27 PM CDTSpecial Weather StatementTOPPottawatomie33 min
Jun 24, 7:30 PM CDTSpecial Weather StatementTOPRiley30 min
Jun 24, 7:47 PM CDTSpecial Weather StatementTOPPottawatomie, Riley28 min
Jun 24, 7:49 PM CDTSevere Thunderstorm WarningTOPNemaha26 min
Jun 24, 7:55 PM CDTFlash Flood WarningTOPBrown, Nemaha7 hr
Jun 24, 8:07 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley23 min
Jun 24, 8:11 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha49 min
Jun 24, 8:26 PM CDTSpecial Weather StatementTOPPottawatomie34 min
Jun 24, 8:41 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha34 min
Jun 24, 8:43 PM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley, Wabaunsee32 min
Jun 24, 9:10 PM CDTSpecial Weather StatementTOPJackson35 min
Jun 24, 9:39 PM CDTSpecial Weather StatementTOPJefferson36 min
Jun 24, 9:56 PM CDTSevere Thunderstorm WarningTOPJefferson34 min
Jun 24, 10:41 PM CDTSpecial Weather StatementTOPNemaha34 min
Jun 24, 10:48 PM CDTSpecial Weather StatementTOPBrown27 min
Jun 24, 11:31 PM CDTSpecial Weather StatementTOPBrown29 min
Jun 24, 11:59 PM CDTAreal Flood WarningTOPBrown6 hr
Jun 25, 12:14 AM CDTSevere Thunderstorm WarningTOPBrown, Nemaha31 min
Jun 25, 12:21 AM CDTSpecial Weather StatementTOPDickinson24 min
Jun 25, 12:46 AM CDTFlash Flood WarningTOPBrown5 hr
Jun 25, 12:56 AM CDTSpecial Weather StatementTOPBrown34 min
Jun 25, 1:01 AM CDTSpecial Weather StatementTOPOttawa29 min
Jun 25, 1:30 AM CDTSpecial Weather StatementTOPOttawa30 min
Jun 25, 1:59 AM CDTSpecial Weather StatementTOPDickinson46 min
Jun 25, 2:23 AM CDTSpecial Weather StatementTOPGeary22 min
Jun 25, 2:35 AM CDTFlash Flood Warning Considerable damage threatTOPBrown, Nemaha5 hr
Jun 25, 2:39 AM CDTSpecial Weather StatementTOPPottawatomie, Riley, Wabaunsee51 min
Jun 25, 3:45 AM CDTSevere Thunderstorm WarningTOPDouglas, Jackson, Jefferson, Shawnee30 min
Jun 25, 4:11 AM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson34 min
Jun 25, 7:52 AM CDTAreal Flood WarningTOPBrown, Nemaha12 hr
Jun 25, 2:27 PM CDTSpecial Weather StatementTOPMorris33 min
Jun 25, 2:43 PM CDTSevere Thunderstorm WarningTOPLyon, Morris32 min
Jun 25, 2:49 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage21 min
Jun 25, 2:57 PM CDTSevere Thunderstorm WarningTOPLyon, Morris, Wabaunsee11 min
Jun 25, 3:11 PM CDTSpecial Weather StatementTOPOsage34 min
Jun 25, 3:14 PM CDTSpecial Weather StatementTOPWabaunsee31 min
Jun 25, 3:19 PM CDTSpecial Weather StatementTOPDouglas26 min
Jun 25, 3:21 PM CDTSpecial Weather StatementTOPOsage24 min
Jun 25, 3:25 PM CDTSpecial Weather StatementTOPShawnee35 min
Jun 25, 3:33 PM CDTSpecial Weather StatementTOPLyon27 min
Jun 25, 3:40 PM CDTSevere Thunderstorm WarningTOPCoffey, Franklin, Osage50 min
Jun 25, 3:41 PM CDTSevere Thunderstorm WarningTOPJefferson, Shawnee34 min
Jun 25, 3:49 PM CDTFlash Flood WarningTOPCoffey, Franklin, Osage7 hr
Jun 25, 3:52 PM CDTAreal Flood AdvisoryTOPCoffey, Lyon69 min
Jun 25, 3:54 PM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin36 min
Jun 25, 3:57 PM CDTSevere Thunderstorm WarningTOPDouglas, Jackson, Jefferson, Shawnee48 min
Jun 25, 4:04 PM CDTAreal Flood AdvisoryTOPDouglas, Jefferson, Shawnee115 min
Jun 25, 4:09 PM CDTSpecial Weather StatementTOPLyon36 min
Jun 25, 4:12 PM CDTSevere Thunderstorm WarningTOPAnderson, Franklin48 min
Jun 25, 4:27 PM CDTSpecial Weather StatementTOPMorris33 min
Jun 25, 4:34 PM CDTFlash Flood WarningTOPAnderson, Coffey, Franklin6 hr
Jun 25, 4:36 PM CDTSevere Thunderstorm WarningTOPDickinson24 min
Jun 25, 4:39 PM CDTAreal Flood AdvisoryTOPJackson, Jefferson, Shawnee81 min
Jun 25, 4:39 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee36 min
Jun 25, 4:47 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Riley43 min
Jun 25, 5:00 PM CDTFlash Flood WarningTOPCoffey, Lyon6 hr
Jun 25, 5:15 PM CDTSpecial Weather StatementTOPAnderson30 min
Jun 25, 5:20 PM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley, Wabaunsee40 min
Jun 25, 5:53 PM CDTSpecial Weather StatementTOPAnderson, Franklin52 min
Jun 25, 5:58 PM CDTSevere Thunderstorm WarningTOPAnderson, Franklin32 min
Jun 25, 6:16 PM CDTSpecial Weather StatementTOPCoffey29 min
Jun 25, 6:47 PM CDTFlash Flood WarningTOPAnderson, Coffey4 hr
Jun 25, 6:47 PM CDTSpecial Weather StatementTOPAnderson43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.