Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Topeka, KS

June 25, 2021Jackson County, Jefferson County, Shawnee County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 25, 2021, 4:39 PM CDT for Jackson County, Jefferson County, Shawnee County, Kansas. It was in force for 36 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, 4:39 PM CDT (21:39 UTC)
Expired: Jun 25, 2021, 5:15 PM CDT
In force: 36 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Topeka radar (KTWX), 76 km from the middle of the area, began a volume at 21:40 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.

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, 9.7 hours before the alert went out and 36 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.

311 
WUUS53 KTOP 252139
SVRTOP
KSC085-087-177-252215-
/O.NEW.KTOP.SV.W.0094.210625T2139Z-210625T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
439 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...
  Southeastern Jackson County in northeastern Kansas...

* Until 515 PM CDT.

* At 439 PM CDT, a severe thunderstorm was located over Perry Lake,
  moving northeast at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Valley Falls, Oskaloosa, McLouth, Meriden, Ozawkie, Nortonville,
  Winchester, Denison and Perry Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3907 9519 3912 9566 3943 9564 3943 9557
      3942 9557 3942 9518
TIME...MOT...LOC 2139Z 237DEG 34KT 3919 9547 

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

Flanagan/Gargan

1 follow-up statement

376 
WWUS53 KTOP 252206
SVSTOP

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

KSC085-087-177-252216-
/O.EXP.KTOP.SV.W.0094.000000T0000Z-210625T2215Z/
Jefferson-Shawnee-Jackson-
506 PM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON...NORTHEASTERN
SHAWNEE AND SOUTHEASTERN JACKSON COUNTIES WILL EXPIRE AT 515 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.  However gusty
winds and heavy rain are still possible with this thunderstorm.

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

LAT...LON 3907 9519 3912 9566 3943 9564 3943 9557
      3942 9557 3942 9518
TIME...MOT...LOC 2206Z 237DEG 34KT 3932 9522 

$$

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, 3:57 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jackson, Jefferson, Shawnee	48 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, 4:47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.