Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Topeka, KS

June 24, 2021Nemaha County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 24, 2021, 7:49 PM CDT for Nemaha County, Kansas. It was in force for 26 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 24, 2021, 7:49 PM CDT (00:49 UTC)
Expired: Jun 24, 2021, 8:15 PM CDT
In force: 26 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Nemaha County, KS

The radar

The Topeka radar (KTWX), 99 km from the middle of the area, began a volume at 00:49 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 24, 3:44 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 100 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.

960 
WUUS53 KTOP 250049
SVRTOP
KSC131-250115-
/O.NEW.KTOP.SV.W.0075.210625T0049Z-210625T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
749 PM CDT Thu Jun 24 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northern Nemaha County in northeastern Kansas...

* Until 815 PM CDT.

* At 749 PM CDT, a severe thunderstorm was located near Seneca,
  moving east at 30 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...
  Sabetha, Seneca, Bern, Oneida, Woodlawn and Baileyville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Kansas.

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

&&

LAT...LON 3979 9579 3972 9624 4000 9624 4000 9579
TIME...MOT...LOC 0049Z 265DEG 27KT 3987 9608 

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

Reese

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, 7:55 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, 4:39 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.