Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Topeka, KS

March 10, 2021Anderson County, Coffey County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 10, 2021, 7:59 PM CST for Anderson County, Coffey County, Kansas. It was in force for 46 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 10, 2021, 7:59 PM CST (01:59 UTC)
Expired
Mar 10, 2021, 8:45 PM CST
In force
46 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Anderson County, KS, Coffey County, KS

The radar

The Topeka radar (KTWX), 102 km from the middle of the area, began a volume at 02:01 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 10, 8:36 PM CSTTSTM WND GST 601 Sw Garnett, 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, 2.0 hours before the alert went out and 89 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 2021-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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 2021-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
37 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
2945 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

599 
WUUS53 KTOP 110159
SVRTOP
KSC003-031-110245-
/O.NEW.KTOP.SV.W.0003.210311T0159Z-210311T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
759 PM CST Wed Mar 10 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Anderson County in east central Kansas...
  Southern Coffey County in east central Kansas...

* Until 845 PM CST.

* At 758 PM CST, a severe thunderstorm was located 4 miles southwest
  of Burlington, moving east at 40 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...
  Garnett, Burlington, New Strawn, Gridley, Westphalia, John Redmond
  Reservoir, Harris and Le Roy.

This replaces the previous Severe Thunderstorm Warning that expired 
at 8:00 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3819 9596 3839 9544 3839 9527 3818 9512
      3804 9577 3804 9596
TIME...MOT...LOC 0158Z 253DEG 44KT 3814 9579 

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

Teefey
4 follow-up statements
000 
WWUS53 KTOP 110216
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
816 PM CST Wed Mar 10 2021

KSC003-031-110245-
/O.CON.KTOP.SV.W.0003.000000T0000Z-210311T0245Z/
Anderson-Coffey-
816 PM CST Wed Mar 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR ANDERSON AND SOUTHERN COFFEY COUNTIES...

At 816 PM CST, a severe thunderstorm was located near Westphalia,
moving northeast at 45 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...
Garnett, Burlington, New Strawn, Gridley, Westphalia, John Redmond
Reservoir, Harris and Le Roy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3819 9596 3839 9544 3839 9527 3818 9512
      3804 9577 3804 9596
TIME...MOT...LOC 0216Z 248DEG 48KT 3822 9547 

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

Teefey
533 
WWUS53 KTOP 110225
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
825 PM CST Wed Mar 10 2021

KSC031-110234-
/O.CAN.KTOP.SV.W.0003.000000T0000Z-210311T0245Z/
Coffey-
825 PM CST Wed Mar 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN COFFEY 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 3818 9512 3810 9551 3835 9551 3839 9544
      3839 9527
TIME...MOT...LOC 0224Z 252DEG 43KT 3825 9535 

$$

KSC003-110245-
/O.CON.KTOP.SV.W.0003.000000T0000Z-210311T0245Z/
Anderson-
825 PM CST Wed Mar 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN ANDERSON COUNTY...

At 824 PM CST, a severe thunderstorm was located 6 miles west of
Garnett, moving northeast at 45 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...
Garnett, Westphalia and Harris. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3818 9512 3810 9551 3835 9551 3839 9544
      3839 9527
TIME...MOT...LOC 0224Z 252DEG 43KT 3825 9535 

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

Teefey
901 
WWUS53 KTOP 110233
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
833 PM CST Wed Mar 10 2021

KSC003-110245-
/O.CON.KTOP.SV.W.0003.000000T0000Z-210311T0245Z/
Anderson-
833 PM CST Wed Mar 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN ANDERSON COUNTY...

At 833 PM CST, a severe thunderstorm was located over Garnett, moving
east at 45 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...
Garnett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3822 9515 3817 9542 3830 9547 3835 9536
      3839 9527
TIME...MOT...LOC 0233Z 253DEG 44KT 3828 9521 

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

Teefey
192 
WWUS53 KTOP 110236
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
836 PM CST Wed Mar 10 2021

KSC003-110246-
/O.EXP.KTOP.SV.W.0003.000000T0000Z-210311T0245Z/
Anderson-
836 PM CST Wed Mar 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ANDERSON COUNTY WILL
EXPIRE AT 845 PM CST...
                
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.

LAT...LON 3822 9515 3817 9542 3830 9547 3835 9536
      3839 9527
TIME...MOT...LOC 0236Z 253DEG 44KT 3828 9519 

$$

Teefey

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 6:19 PM CSTSpecial Weather StatementTOPFranklin26 min
Mar 10, 6:33 PM CSTSpecial Weather StatementTOPOsage27 min
Mar 10, 6:51 PM CSTSpecial Weather StatementTOPLyon24 min
Mar 10, 6:59 PM CSTSevere Thunderstorm WarningTOPCoffey, Franklin, Lyon, Osage46 min
Mar 10, 7:24 PM CSTSpecial Weather StatementTOPDouglas36 min
Mar 10, 7:32 PM CSTSevere Thunderstorm WarningTOPCoffey, Lyon28 min
Mar 10, 7:43 PM CSTSpecial Weather StatementTOPFranklin32 min
Mar 10, 8:46 PM CSTSpecial Weather StatementTOPAnderson29 min
Mar 11, 3:58 AM CSTFlood WatchTOPAnderson, Coffey, Franklin, Lyon, Osage3 days

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.