Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 81, NWS Topeka, KS

June 25, 2021Brown County, Nemaha County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 25, 2021, 12:14 AM CDT for Brown County, Nemaha County, Kansas. It was in force for 31 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, 12:14 AM CDT (05:14 UTC)
Expired: Jun 25, 2021, 12:45 AM CDT
In force: 31 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Brown County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 111 km from the middle of the area, began a volume at 05:14 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, 5.2 hours before the alert went out and 101 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: 2766 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1424 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 404 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 23.2

Open this sounding in Storm Lab

The text

As transmitted.

476 
WUUS53 KTOP 250514
SVRTOP
KSC013-131-250545-
/O.NEW.KTOP.SV.W.0081.210625T0514Z-210625T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1214 AM CDT Fri Jun 25 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northeastern Nemaha County in northeastern Kansas...
  Northwestern Brown County in northeastern Kansas...

* Until 1245 AM CDT.

* At 1213 AM CDT, a severe thunderstorm was located near Sabetha,
  moving east at 35 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...
  Sabetha, Morrill, Reserve, Oneida and Hamlin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3983 9557 3987 9594 4000 9593 4000 9555
TIME...MOT...LOC 0513Z 274DEG 29KT 3990 9585 

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

Gargan

4 follow-up statements

140 
WWUS53 KTOP 250524
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1224 AM CDT Fri Jun 25 2021

KSC013-131-250545-
/O.CON.KTOP.SV.W.0081.000000T0000Z-210625T0545Z/
Nemaha-Brown-
1224 AM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHEASTERN NEMAHA AND NORTHWESTERN BROWN COUNTIES...

At 1223 AM CDT, a severe thunderstorm was located near Morrill,
moving east at 35 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...
Sabetha, Morrill, Reserve and Hamlin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3986 9585 4000 9583 4000 9555 3983 9557
TIME...MOT...LOC 0523Z 269DEG 32KT 3991 9574 

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

Gargan

377 
WWUS53 KTOP 250531
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1231 AM CDT Fri Jun 25 2021

KSC131-250540-
/O.CAN.KTOP.SV.W.0081.000000T0000Z-210625T0545Z/
Nemaha-
1231 AM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NEMAHA 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 3983 9557 3985 9579 4000 9579 4000 9555
TIME...MOT...LOC 0530Z 268DEG 29KT 3991 9568 

$$

KSC013-250545-
/O.CON.KTOP.SV.W.0081.000000T0000Z-210625T0545Z/
Brown-
1231 AM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN BROWN COUNTY...

At 1230 AM CDT, a severe thunderstorm was located over Morrill,
moving east at 35 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...
Sabetha, Fairview, Morrill, Reserve and Hamlin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3983 9557 3985 9579 4000 9579 4000 9555
TIME...MOT...LOC 0530Z 268DEG 29KT 3991 9568 

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

Gargan

032 
WWUS53 KTOP 250535
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1235 AM CDT Fri Jun 25 2021

KSC013-250545-
/O.CON.KTOP.SV.W.0081.000000T0000Z-210625T0545Z/
Brown-
1235 AM CDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN BROWN COUNTY...

At 1235 AM CDT, a severe thunderstorm was located over Hamlin, moving
east 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...
Morrill, Reserve and Hamlin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3983 9557 3985 9578 4000 9570 4000 9555
TIME...MOT...LOC 0535Z 274DEG 29KT 3991 9563 

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

Gargan

561 
WWUS53 KTOP 250536
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1236 AM CDT Fri Jun 25 2021

KSC013-250546-
/O.EXP.KTOP.SV.W.0081.000000T0000Z-210625T0545Z/
Brown-
1236 AM CDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BROWN COUNTY WILL
EXPIRE AT 1245 AM 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 small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

LAT...LON 3983 9557 3985 9578 4000 9570 4000 9555
TIME...MOT...LOC 0536Z 274DEG 29KT 3991 9564 

$$

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, 12:21 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, 4:39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.