Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Topeka, KS

March 26, 2021Jackson County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 26, 2021, 8:31 PM CDT for Jackson County, Kansas. It was in force for 44 min. 2 reports 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
Mar 26, 2021, 8:31 PM CDT (01:31 UTC)
Expired
Mar 26, 2021, 9:15 PM CDT
In force
44 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Jackson County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 01:31 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

TimeReportWhereRemark
Mar 26, 8:52 PM CDTTSTM WND DMG3 Nnw Mayetta, KSDELAYED REPORT, TIME RADAR ESTIMATED. METAL ROOF BLOWN OFF OF STRUCTURE. SIDING DAMAGE TO NEARBY HOUSE. PHOTOS SHARED VIA SOCIAL MEDIA.
Mar 26, 9:00 PM CDTTSTM WND GST 595 Se Holton, KSPERSONAL WEATHER STATION.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.5 hours before the alert went out and 45 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
2 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1424 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
397 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

528 
WUUS53 KTOP 270131
SVRTOP
KSC085-270215-
/O.NEW.KTOP.SV.W.0013.210327T0131Z-210327T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
831 PM CDT Fri Mar 26 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Jackson County in northeastern Kansas...

* Until 915 PM CDT.

* At 831 PM CDT, a severe thunderstorm was located 6 miles northeast
  of Emmett, 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...
  Holton, Mayetta, Whiting, Denison, Circleville and Potawatomi
  Reservation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3942 9558 3942 9559 3928 9559 3926 9602
      3930 9604 3947 9604 3963 9557
TIME...MOT...LOC 0131Z 250DEG 25KT 3937 9597 

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

Skow
2 follow-up statements
703 
WWUS53 KTOP 270201
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
901 PM CDT Fri Mar 26 2021

KSC085-270215-
/O.CON.KTOP.SV.W.0013.000000T0000Z-210327T0215Z/
Jackson-
901 PM CDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR CENTRAL JACKSON COUNTY...

At 901 PM CDT, a severe thunderstorm was located 4 miles northwest of
Potawatomi Reservation, 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...
Holton, Mayetta, Denison, Circleville and Potawatomi Reservation. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3942 9558 3942 9559 3928 9559 3926 9595
      3931 9596 3950 9595 3958 9558
TIME...MOT...LOC 0201Z 255DEG 26KT 3938 9589 

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

Skow
983 
WWUS53 KTOP 270213
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
913 PM CDT Fri Mar 26 2021

KSC085-270223-
/O.EXP.KTOP.SV.W.0013.000000T0000Z-210327T0215Z/
Jackson-
913 PM CDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JACKSON COUNTY WILL
EXPIRE AT 915 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 are still possible with this thunderstorm.

LAT...LON 3942 9558 3942 9559 3928 9559 3926 9595
      3931 9596 3950 9595 3958 9558
TIME...MOT...LOC 0213Z 250DEG 25KT 3941 9580 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 7:05 PM CDTSpecial Weather StatementTOPCloud25 min
Mar 26, 7:36 PM CDTSpecial Weather StatementTOPRiley24 min
Mar 26, 7:39 PM CDTSpecial Weather StatementTOPClay, Washington36 min
Mar 26, 7:48 PM CDTSpecial Weather StatementTOPPottawatomie27 min
Mar 26, 7:59 PM CDTSpecial Weather StatementTOPClay, Washington31 min
Mar 26, 8:06 PM CDTSevere Thunderstorm WarningTOPClay, Marshall, Pottawatomie, Riley, Washington39 min
Mar 26, 8:26 PM CDTSpecial Weather StatementTOPJackson34 min
Mar 26, 9:38 PM CDTSpecial Weather StatementTOPGeary52 min
Mar 26, 10:40 PM CDTAreal Flood AdvisoryTOPPottawatomie110 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2021Every 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.