Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Topeka, KS

March 17, 2021Shawnee County, Wabaunsee County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 17, 2021, 12:18 AM CDT for Shawnee County, Wabaunsee County, Kansas. It was in force for 28 min. 1 report 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 17, 2021, 12:18 AM CDT (05:18 UTC)
Expired
Mar 17, 2021, 12:46 AM CDT
In force
28 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 30 km from the middle of the area, began a volume at 05:21 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 17, 12:36 AM CDTHAIL 0.754 Nne Dover, KS

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, 5.3 hours before the alert went out and 22 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 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
405 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

376 
WUUS53 KTOP 170518
SVRTOP
KSC177-197-170600-
/O.NEW.KTOP.SV.W.0010.210317T0518Z-210317T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1218 AM CDT Wed Mar 17 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Western Shawnee County in east central Kansas...
  Southeastern Wabaunsee County in east central Kansas...

* Until 100 AM CDT.

* At 1217 AM CDT, a severe thunderstorm was located 4 miles east of
  Eskridge, moving northeast at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Northwestern Topeka, Rossville, Eskridge, Dover, Silver Lake,
  Willard and Keene.

This includes Interstate 70 between mile markers 343 and 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3914 9564 3887 9590 3887 9595 3882 9595
      3879 9597 3885 9610 3919 9595
TIME...MOT...LOC 0517Z 215DEG 31KT 3886 9603 

HAIL...1.00IN
WIND...<50MPH
 
$$

Gargan
3 follow-up statements
055 
WWUS53 KTOP 170534
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1234 AM CDT Wed Mar 17 2021

KSC197-170543-
/O.CAN.KTOP.SV.W.0010.000000T0000Z-210317T0600Z/
Wabaunsee-
1234 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WABAUNSEE 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 3890 9588 3892 9595 3919 9595 3915 9568
TIME...MOT...LOC 0533Z 215DEG 31KT 3898 9592 

$$

KSC177-170600-
/O.CON.KTOP.SV.W.0010.000000T0000Z-210317T0600Z/
Shawnee-
1234 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR WESTERN SHAWNEE COUNTY...

At 1233 AM CDT, a severe thunderstorm was located over Dover, moving
northeast at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Northwestern Topeka, Rossville, Dover, Silver Lake and Willard. 

This includes Interstate 70 between mile markers 346 and 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3890 9588 3892 9595 3919 9595 3915 9568
TIME...MOT...LOC 0533Z 215DEG 31KT 3898 9592 

HAIL...1.00IN
WIND...<50MPH
 
$$

Gargan
935 
WWUS53 KTOP 170541
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1241 AM CDT Wed Mar 17 2021

KSC177-170600-
/O.CON.KTOP.SV.W.0010.000000T0000Z-210317T0600Z/
Shawnee-
1241 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR WESTERN SHAWNEE COUNTY...

At 1240 AM CDT, a severe thunderstorm was located 4 miles south of
Silver Lake, moving northeast at 35 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Northwestern Topeka, Rossville, Silver Lake and Willard. 

This includes Interstate 70 between mile markers 347 and 355.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3894 9585 3899 9594 3919 9595 3915 9568
TIME...MOT...LOC 0540Z 215DEG 31KT 3903 9587 

HAIL...1.00IN
WIND...<50MPH
 
$$

Gargan
105 
WWUS53 KTOP 170546
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1246 AM CDT Wed Mar 17 2021

KSC177-170556-
/O.CAN.KTOP.SV.W.0010.000000T0000Z-210317T0600Z/
Shawnee-
1246 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SHAWNEE COUNTY IS
CANCELLED...
                
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 has been cancelled.  However small hail is
still possible with this thunderstorm.

LAT...LON 3894 9585 3899 9594 3919 9595 3915 9568
TIME...MOT...LOC 0544Z 215DEG 31KT 3908 9583 

$$

Gargan

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 16, 11:33 PM CDTSpecial Weather StatementTOPLyon27 min
Mar 16, 11:35 PM CDTSevere Thunderstorm WarningTOPLyon, Wabaunsee25 min
Mar 16, 11:57 PM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee33 min
Mar 17, 12:03 AM CDTSevere Thunderstorm WarningTOPLyon, Osage42 min
Mar 17, 12:31 AM CDTSevere Thunderstorm WarningTOPDouglas, Osage, Shawnee18 min
Mar 17, 12:53 AM CDTSpecial Weather StatementTOPDouglas37 min
Mar 17, 2:09 AM CDTSpecial Weather StatementTOPWabaunsee36 min
Mar 17, 2:28 AM CDTSpecial Weather StatementTOPShawnee32 min
Mar 17, 3:01 AM CDTSpecial Weather StatementTOPJefferson14 min
Mar 17, 3:15 AM CDTSpecial Weather StatementTOPCoffey30 min
Mar 17, 7:14 AM CDTAreal Flood AdvisoryTOPAnderson, Coffey, Franklin, Osage2 hr
Mar 17, 7:40 AM CDTSpecial Weather StatementTOPDouglas, Franklin, Jackson, Jefferson, Shawnee35 min
Mar 17, 9:15 AM CDTRiver Flood WarningTOPLyon, Osage44 hr
Mar 17, 9:16 AM CDTRiver Flood WarningTOPAnderson35 hr
Mar 17, 9:27 AM CDTRiver Flood WarningTOPFranklin24 hr
Mar 17, 3:11 PM CDTWinter Weather AdvisoryTOPAnderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 4 more12 hr
Mar 17, 4:32 PM CDTRiver Flood WarningTOPFranklin, Osage39 hr

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.