Alert archive / Kansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 310, NWS Topeka, KS

September 24, 2019Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Sep 24, 2019, 7:13 PM CDT for Ottawa County, Kansas. It was in force for 47 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
Sep 24, 2019, 7:13 PM CDT (00:13 UTC)
Expired
Sep 24, 2019, 8:00 PM CDT
In force
47 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Ottawa County, KS

The radar

The Topeka radar (KTWX), 122 km from the middle of the area, began a volume at 00:15 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.

IssuedProductOfficeLasted
Sep 24, 5:42 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.2 hours before the alert went out and 173 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 2019-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1582 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 2019-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.19395878Sfc1 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
1582 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
193 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.4

Open this sounding in Storm Lab

The text

As transmitted.

748 
WUUS53 KTOP 250013
SVRTOP
KSC143-250100-
/O.NEW.KTOP.SV.W.0310.190925T0013Z-190925T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
713 PM CDT Tue Sep 24 2019

The National Weather Service in Topeka has issued a

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

* Until 800 PM CDT.

* At 713 PM CDT, a severe thunderstorm was located 4 miles west of
  Minneapolis, moving southeast at 30 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...
  Minneapolis, Bennington, Wells and Niles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3922 9783 3918 9737 3896 9737 3896 9752
      3911 9791
TIME...MOT...LOC 0013Z 293DEG 26KT 3914 9778 

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

Skow
2 follow-up statements
855 
WWUS53 KTOP 250042
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
742 PM CDT Tue Sep 24 2019

KSC143-250100-
/O.CON.KTOP.SV.W.0310.000000T0000Z-190925T0100Z/
Ottawa-
742 PM CDT Tue Sep 24 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHEASTERN OTTAWA COUNTY...

At 741 PM CDT, a severe thunderstorm was located near Bennington,
moving southeast 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...
Minneapolis, Bennington and Wells. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3918 9737 3896 9737 3909 9776 3922 9779
TIME...MOT...LOC 0041Z 293DEG 26KT 3906 9753 

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

Skow
540 
WWUS53 KTOP 250054
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
754 PM CDT Tue Sep 24 2019

KSC143-250104-
/O.EXP.KTOP.SV.W.0310.000000T0000Z-190925T0100Z/
Ottawa-
754 PM CDT Tue Sep 24 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OTTAWA COUNTY
WILL EXPIRE AT 800 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.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central and north central Kansas.

LAT...LON 3918 9737 3896 9737 3909 9776 3922 9779
TIME...MOT...LOC 0054Z 293DEG 26KT 3903 9743 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 7:01 PM CDTSevere Thunderstorm WarningTOPClay14 min
Sep 24, 7:09 PM CDTTornado WarningTOPClay, Riley36 min
Sep 24, 7:28 PM CDTTornado WarningTOPClay, Pottawatomie, Riley32 min
Sep 24, 7:40 PM CDTAreal Flood AdvisoryTOPOttawa3 hr
Sep 24, 7:58 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley21 min
Sep 24, 8:01 PM CDTSpecial Weather StatementTOPOttawa29 min
Sep 24, 8:04 PM CDTAreal Flood AdvisoryTOPPottawatomie, Riley3 hr
Sep 24, 8:25 PM CDTSevere Thunderstorm WarningTOPClay, Ottawa50 min
Sep 24, 8:26 PM CDTAreal Flood AdvisoryTOPOttawa3 hr
Sep 24, 8:29 PM CDTAreal Flood WarningTOPClay, Cloud, Republic, Washington6 hr
Sep 24, 8:46 PM CDTSpecial Weather StatementTOPCloud29 min
Sep 24, 8:50 PM CDTFlash Flood WarningTOPClay, Ottawa4 hr
Sep 24, 9:10 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Ottawa43 min
Sep 24, 9:14 PM CDTAreal Flood AdvisoryTOPCloud3 hr
Sep 24, 9:43 PM CDTAreal Flood AdvisoryTOPClay, Dickinson3 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2019Every severe thunderstorm warning in 2019

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.