Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Topeka, KS

March 17, 2021Lyon County, Osage County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 17, 2021, 12:03 AM CDT for Lyon County, Osage County, Kansas. It was in force for 42 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, 12:03 AM CDT (05:03 UTC)
Expired
Mar 17, 2021, 12:45 AM CDT
In force
42 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 44 km from the middle of the area, began a volume at 05:05 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, 12:16 AM CDTHAIL 1Osage City, KSREPORT FROM MPING: QUARTER (1.00 IN.).

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, 5.1 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 2021-03-17Temperature 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°0°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.

105 
WUUS53 KTOP 170503
SVRTOP
KSC111-139-170545-
/O.NEW.KTOP.SV.W.0009.210317T0503Z-210317T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1203 AM CDT Wed Mar 17 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northwestern Osage County in east central Kansas...
  Northeastern Lyon County in east central Kansas...

* Until 1245 AM CDT.

* At 1203 AM CDT, a severe thunderstorm was located 4 miles southeast
  of Admire, moving northeast at 30 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Osage City and Burlingame. 

This includes Kansas Turnpike between mile markers 141 and 157.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3854 9605 3859 9613 3874 9596 3874 9595
      3875 9595 3885 9584 3865 9562
TIME...MOT...LOC 0503Z 219DEG 24KT 3859 9606 

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

Gargan
2 follow-up statements
568 
WWUS53 KTOP 170510
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1210 AM CDT Wed Mar 17 2021

KSC111-139-170545-
/O.CON.KTOP.SV.W.0009.000000T0000Z-210317T0545Z/
Osage-Lyon-
1210 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN OSAGE AND NORTHEASTERN LYON COUNTIES...

At 1210 AM CDT, a severe thunderstorm was located 4 miles east of
Admire, moving northeast at 30 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Osage City and Burlingame. 

This includes Kansas Turnpike between mile markers 144 and 157.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3856 9598 3863 9609 3874 9596 3874 9595
      3875 9595 3885 9584 3865 9562
TIME...MOT...LOC 0510Z 219DEG 24KT 3863 9602 

HAIL...1.25IN
WIND...<50MPH
 
$$

Gargan
081 
WWUS53 KTOP 170522
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1222 AM CDT Wed Mar 17 2021

KSC111-170531-
/O.CAN.KTOP.SV.W.0009.000000T0000Z-210317T0545Z/
Lyon-
1222 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LYON 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 3859 9586 3864 9595 3869 9595 3870 9594
      3875 9595 3885 9584 3865 9562
TIME...MOT...LOC 0521Z 220DEG 25KT 3869 9595 

$$

KSC139-170545-
/O.CON.KTOP.SV.W.0009.000000T0000Z-210317T0545Z/
Osage-
1222 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN OSAGE COUNTY...

At 1221 AM CDT, a severe thunderstorm was located 7 miles south of
Harveyville, moving northeast at 30 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Osage City and Burlingame. 

This includes Kansas Turnpike between mile markers 155 and 157.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3859 9586 3864 9595 3869 9595 3870 9594
      3875 9595 3885 9584 3865 9562
TIME...MOT...LOC 0521Z 220DEG 25KT 3869 9595 

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

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, 12:18 AM CDTSevere Thunderstorm WarningTOPShawnee, Wabaunsee28 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.