Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Topeka, KS

May 25, 2021Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 25, 2021, 4:47 PM CDT for Ottawa County, Kansas. It was in force for 28 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: May 25, 2021, 4:47 PM CDT (21:47 UTC)
Expired: May 25, 2021, 5:15 PM CDT
In force: 28 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Ottawa County, KS

The radar

The Topeka radar (KTWX), 140 km from the middle of the area, began a volume at 21:50 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 12:00Z, 9.8 hours before the alert went out and 191 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: 151 J/kg
Mixed-layer CIN: -248 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

716 
WUUS53 KTOP 252147
SVRTOP
KSC143-252215-
/O.NEW.KTOP.SV.W.0028.210525T2147Z-210525T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
447 PM CDT Tue May 25 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Southwestern Ottawa County in north central Kansas...

* Until 515 PM CDT.

* At 447 PM CDT, a severe thunderstorm was located 4 miles southeast
  of Beverly, moving east at 20 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.

* This severe thunderstorm will be near...
  Tescott around 455 PM CDT.

Other locations in the path of this severe thunderstorm include
Culver.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3906 9793 3908 9774 3896 9774 3896 9793
TIME...MOT...LOC 2147Z 268DEG 19KT 3895 9793 

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

Teefey

1 follow-up statement

386 
WWUS53 KTOP 252212
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
512 PM CDT Tue May 25 2021

KSC143-252222-
/O.EXP.KTOP.SV.W.0028.000000T0000Z-210525T2215Z/
Ottawa-
512 PM CDT Tue May 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OTTAWA COUNTY
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 small hail
and gusty winds are still possible with this thunderstorm.

LAT...LON 3906 9793 3908 9774 3896 9774 3896 9793
TIME...MOT...LOC 2212Z 268DEG 19KT 3895 9777 

$$

Teefey

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 4:20 PM CDT	Special Weather Statement	TOP	Ottawa	25 min
May 25, 4:40 PM CDT	Special Weather Statement	TOP	Washington	35 min
May 25, 4:56 PM CDT	Special Weather Statement	TOP	Washington	34 min
May 25, 5:15 PM CDT	Special Weather Statement	TOP	Ottawa	30 min
May 25, 5:17 PM CDT	Special Weather Statement	TOP	Washington	28 min
May 25, 5:25 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	40 min
May 25, 5:40 PM CDT	Severe Thunderstorm Warning	TOP	Washington	50 min
May 25, 5:49 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	26 min
May 25, 6:17 PM CDT	Flash Flood Warning	TOP	Washington	3 hr
May 25, 6:23 PM CDT	Areal Flood Advisory	TOP	Marshall, Washington	3 hr
May 25, 6:38 PM CDT	Special Weather Statement	TOP	Washington	22 min
May 25, 6:46 PM CDT	Flash Flood Warning	TOP	Washington	2 hr
May 25, 6:51 PM CDT	Special Weather Statement	TOP	Marshall	24 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.