Alert archive / Kansas / Tornado Warnings in 2020

Tornado Warning 8, NWS Topeka, KS

May 22, 2020Marshall County, Kansas

NWS Topeka, KS issued this tornado warning at May 22, 2020, 6:26 PM CDT for Marshall County, Kansas. It was in force for 34 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
May 22, 2020, 6:26 PM CDT (23:26 UTC)
Expired
May 22, 2020, 7:00 PM CDT
In force
34 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Marshall County, KS

The radar

The Topeka radar (KTWX), 83 km from the middle of the area, began a volume at 23:28 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 nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.4 hours before the alert went out and 105 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 12:00Z on 2020-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 12:00Z on 2020-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 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
43 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

796 
WFUS53 KTOP 222326
TORTOP
KSC117-230000-
/O.NEW.KTOP.TO.W.0008.200522T2326Z-200523T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
626 PM CDT Fri May 22 2020

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Southeastern Marshall County in northeastern Kansas...

* Until 700 PM CDT.
    
* At 626 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 6 miles southwest of Frankfort, moving northeast at 30
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* Locations impacted include...
  Frankfort and Vermillion. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3987 9652 3974 9624 3973 9624 3958 9643
      3960 9653
TIME...MOT...LOC 2326Z 211DEG 28KT 3962 9647 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
442 
WWUS53 KTOP 222335
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
635 PM CDT Fri May 22 2020

KSC117-230000-
/O.CON.KTOP.TO.W.0008.000000T0000Z-200523T0000Z/
Marshall-
635 PM CDT Fri May 22 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN MARSHALL COUNTY...
    
At 635 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Frankfort, moving northeast at 30 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

Locations impacted include...
Frankfort.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3975 9626 3964 9640 3965 9647 3985 9647
TIME...MOT...LOC 2335Z 211DEG 28KT 3968 9642 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
060 
WWUS53 KTOP 222346
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
646 PM CDT Fri May 22 2020

KSC117-230000-
/O.CON.KTOP.TO.W.0008.000000T0000Z-200523T0000Z/
Marshall-
646 PM CDT Fri May 22 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN MARSHALL COUNTY...
    
At 646 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northeast of Frankfort, moving northeast at 30
mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

Locations impacted include...
Frankfort.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3965 9638 3968 9644 3981 9639 3975 9626
TIME...MOT...LOC 2346Z 211DEG 28KT 3976 9636 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 7:40 AM CDTSpecial Weather StatementTOPAnderson, Coffey, Osage35 min
May 22, 8:18 AM CDTSpecial Weather StatementTOPAnderson, Osage27 min
May 22, 9:45 AM CDTSpecial Weather StatementTOPAnderson, Franklin, Osage, Shawnee, Wabaunsee30 min
May 22, 10:10 AM CDTSpecial Weather StatementTOPDouglas, Jackson, Jefferson, Shawnee35 min
May 22, 10:45 AM CDTSpecial Weather StatementTOPDouglas, Jackson, Jefferson, Nemaha, Pottawatomie, Shawnee60 min
May 22, 4:05 PM CDTSpecial Weather StatementTOPMarshall25 min
May 22, 4:30 PM CDTSpecial Weather StatementTOPMarshall45 min
May 22, 4:58 PM CDTTornado WarningTOPMarshall32 min
May 22, 5:24 PM CDTSpecial Weather StatementTOPMarshall36 min
May 22, 5:51 PM CDTSpecial Weather StatementTOPBrown39 min
May 22, 6:00 PM CDTSpecial Weather StatementTOPMarshall45 min
May 22, 6:33 PM CDTSpecial Weather StatementTOPBrown27 min
May 22, 6:45 PM CDTTornado WarningTOPMarshall, Nemaha45 min
May 22, 6:53 PM CDTAreal Flood AdvisoryTOPMarshall3 hr

Nearby

Tornado Warnings in Kansas, 2020Every tornado warning in 2020Tornadoes in 2020

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.