Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Topeka, KS

June 25, 20214 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 25, 2021, 3:57 PM CDT for 4 counties in Kansas. It was in force for 48 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: Jun 25, 2021, 3:57 PM CDT (20:57 UTC)
Expired: Jun 25, 2021, 4:45 PM CDT
In force: 48 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Douglas County, KS, Jackson County, KS, Jefferson County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 20:57 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
Jun 25, 4:02 PM CDT	TSTM WND DMG	2 Sse Topeka, KS	REPORT ON SOCIAL MEDIA SHOWED 12 INCH DIAMETER TREE THAT FELL ON TOP OF A CAR. DELAYED REPORT.

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.

Issued	Product	Office	Lasted
Jun 25, 1:43 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.0 hours before the alert went out and 32 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: 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.

248 
WUUS53 KTOP 252057
SVRTOP
KSC045-085-087-177-252145-
/O.NEW.KTOP.SV.W.0090.210625T2057Z-210625T2145Z/

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

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Jefferson County in northeastern Kansas...
  Northeastern Shawnee County in east central Kansas...
  Northern Douglas County in east central Kansas...
  Southeastern Jackson County in northeastern Kansas...

* Until 445 PM CDT.

* At 357 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles northeast of Lawrence to Topeka, moving
  northeast at 30 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, Lawrence, Valley Falls, Oskaloosa, Tecumseh, Perry,
  McLouth, Meriden, Ozawkie, Nortonville, Lecompton, Winchester,
  Denison, Williamstown, Perry Lake and Grantville.

This includes Kansas Turnpike between mile markers 176 and 205.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3898 9573 3943 9564 3943 9557 3942 9557
      3942 9518 3897 9519 3896 9517 3898 9516
      3897 9513 3897 9511 3896 9509 3896 9508
      3898 9508 3899 9506 3895 9506
TIME...MOT...LOC 2057Z 203DEG 24KT 3905 9519 3906 9570 

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

Flanagan/Gargan

2 follow-up statements

438 
WWUS53 KTOP 252116
SVSTOP

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

KSC045-085-087-177-252145-
/O.CON.KTOP.SV.W.0090.000000T0000Z-210625T2145Z/
Jefferson-Shawnee-Douglas-Jackson-
416 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR JEFFERSON...NORTHEASTERN SHAWNEE...NORTHWESTERN DOUGLAS AND
SOUTHEASTERN JACKSON COUNTIES...

At 416 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northwest of Tonganoxie to 3 miles west of
Meriden, moving northeast at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Northeastern Topeka, northern Lawrence, Valley Falls, Oskaloosa,
Tecumseh, Perry, McLouth, Meriden, Ozawkie, Nortonville, Lecompton,
Winchester, Denison, Williamstown, Perry Lake and Grantville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3902 9519 3904 9572 3943 9564 3943 9557
      3942 9557 3942 9518
TIME...MOT...LOC 2116Z 203DEG 24KT 3916 9513 3918 9564 

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

Flanagan/Gargan

172 
WWUS53 KTOP 252131
SVSTOP

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

KSC045-085-087-177-252145-
/O.CON.KTOP.SV.W.0090.000000T0000Z-210625T2145Z/
Jefferson-Shawnee-Douglas-Jackson-
431 PM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR JEFFERSON...NORTHEASTERN SHAWNEE...NORTHWESTERN DOUGLAS AND
SOUTHEASTERN JACKSON COUNTIES...

At 431 PM CDT, a severe thunderstorm was located near Perry Lake,
moving northeast at 65 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Northeastern Topeka, northern Lawrence, Valley Falls, Oskaloosa,
Tecumseh, Perry, McLouth, Meriden, Ozawkie, Nortonville, Lecompton,
Winchester, Denison, Williamstown, Perry Lake and Grantville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3902 9519 3904 9572 3943 9564 3943 9557
      3942 9557 3942 9518
TIME...MOT...LOC 2131Z 240DEG 56KT 3918 9551 

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

Flanagan/Gargan

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:00 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	45 min
Jun 24, 7:07 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie	23 min
Jun 24, 7:17 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	43 min
Jun 24, 7:25 PM CDT	Severe Thunderstorm Warning	TOP	Brown	35 min
Jun 24, 7:27 PM CDT	Special Weather Statement	TOP	Pottawatomie	33 min
Jun 24, 7:30 PM CDT	Special Weather Statement	TOP	Riley	30 min
Jun 24, 7:47 PM CDT	Special Weather Statement	TOP	Pottawatomie, Riley	28 min
Jun 24, 7:49 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha	26 min
Jun 24, 7:55 PM CDT	Flash Flood Warning	TOP	Brown, Nemaha	7 hr
Jun 24, 8:07 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	23 min
Jun 24, 8:11 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	49 min
Jun 24, 8:26 PM CDT	Special Weather Statement	TOP	Pottawatomie	34 min
Jun 24, 8:41 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Nemaha	34 min
Jun 24, 8:43 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	32 min
Jun 24, 9:10 PM CDT	Special Weather Statement	TOP	Jackson	35 min
Jun 24, 9:39 PM CDT	Special Weather Statement	TOP	Jefferson	36 min
Jun 24, 9:56 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	34 min
Jun 24, 10:41 PM CDT	Special Weather Statement	TOP	Nemaha	34 min
Jun 24, 10:48 PM CDT	Special Weather Statement	TOP	Brown	27 min
Jun 24, 11:31 PM CDT	Special Weather Statement	TOP	Brown	29 min
Jun 24, 11:59 PM CDT	Areal Flood Warning	TOP	Brown	6 hr
Jun 25, 12:14 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	31 min
Jun 25, 12:21 AM CDT	Special Weather Statement	TOP	Dickinson	24 min
Jun 25, 12:46 AM CDT	Flash Flood Warning	TOP	Brown	5 hr
Jun 25, 12:56 AM CDT	Special Weather Statement	TOP	Brown	34 min
Jun 25, 1:01 AM CDT	Special Weather Statement	TOP	Ottawa	29 min
Jun 25, 1:30 AM CDT	Special Weather Statement	TOP	Ottawa	30 min
Jun 25, 1:59 AM CDT	Special Weather Statement	TOP	Dickinson	46 min
Jun 25, 2:23 AM CDT	Special Weather Statement	TOP	Geary	22 min
Jun 25, 2:35 AM CDT	Flash Flood Warning Considerable damage threat	TOP	Brown, Nemaha	5 hr
Jun 25, 2:39 AM CDT	Special Weather Statement	TOP	Pottawatomie, Riley, Wabaunsee	51 min
Jun 25, 3:45 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jackson, Jefferson, Shawnee	30 min
Jun 25, 4:11 AM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson	34 min
Jun 25, 7:52 AM CDT	Areal Flood Warning	TOP	Brown, Nemaha	12 hr
Jun 25, 2:27 PM CDT	Special Weather Statement	TOP	Morris	33 min
Jun 25, 2:43 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	32 min
Jun 25, 2:49 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon, Osage	21 min
Jun 25, 2:57 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris, Wabaunsee	11 min
Jun 25, 3:11 PM CDT	Special Weather Statement	TOP	Osage	34 min
Jun 25, 3:14 PM CDT	Special Weather Statement	TOP	Wabaunsee	31 min
Jun 25, 3:19 PM CDT	Special Weather Statement	TOP	Douglas	26 min
Jun 25, 3:21 PM CDT	Special Weather Statement	TOP	Osage	24 min
Jun 25, 3:25 PM CDT	Special Weather Statement	TOP	Shawnee	35 min
Jun 25, 3:33 PM CDT	Special Weather Statement	TOP	Lyon	27 min
Jun 25, 3:40 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Franklin, Osage	50 min
Jun 25, 3:41 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson, Shawnee	34 min
Jun 25, 3:49 PM CDT	Flash Flood Warning	TOP	Coffey, Franklin, Osage	7 hr
Jun 25, 3:52 PM CDT	Areal Flood Advisory	TOP	Coffey, Lyon	69 min
Jun 25, 3:54 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin	36 min
Jun 25, 4:04 PM CDT	Areal Flood Advisory	TOP	Douglas, Jefferson, Shawnee	115 min
Jun 25, 4:04 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	41 min
Jun 25, 4:09 PM CDT	Special Weather Statement	TOP	Lyon	36 min
Jun 25, 4:12 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	48 min
Jun 25, 4:27 PM CDT	Special Weather Statement	TOP	Morris	33 min
Jun 25, 4:34 PM CDT	Flash Flood Warning	TOP	Anderson, Coffey, Franklin	6 hr
Jun 25, 4:36 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	24 min
Jun 25, 4:39 PM CDT	Areal Flood Advisory	TOP	Jackson, Jefferson, Shawnee	81 min
Jun 25, 4:39 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Jefferson, Shawnee	36 min
Jun 25, 4:47 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Riley	43 min
Jun 25, 5:00 PM CDT	Flash Flood Warning	TOP	Coffey, Lyon	6 hr
Jun 25, 5:15 PM CDT	Special Weather Statement	TOP	Anderson	30 min
Jun 25, 5:20 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	40 min
Jun 25, 5:53 PM CDT	Special Weather Statement	TOP	Anderson, Franklin	52 min
Jun 25, 5:58 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Franklin	32 min
Jun 25, 6:16 PM CDT	Special Weather Statement	TOP	Coffey	29 min
Jun 25, 6:47 PM CDT	Flash Flood Warning	TOP	Anderson, Coffey	4 hr
Jun 25, 6:47 PM CDT	Special Weather Statement	TOP	Anderson	43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.