Alert archive / Kansas / Tornado Warnings in 2019

Tornado Warning 3, NWS Topeka, KS

April 29, 2019Coffey County, Lyon County, Osage County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 29, 2019, 2:17 AM CDT for Coffey County, Lyon County, Osage County, Kansas. It was in force for 28 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: Apr 29, 2019, 2:17 AM CDT (07:17 UTC)
Expired: Apr 29, 2019, 2:45 AM CDT
In force: 28 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Coffey County, KS, Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 65 km from the middle of the area, began a volume at 07:20 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.

Issued	Product	Office	Lasted
Apr 28, 8:40 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 7.3 hours before the alert went out and 66 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1217 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 538 m²/s²
0-3 km storm-relative helicity: 653 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

145 
WFUS53 KTOP 290717
TORTOP
KSC031-111-139-290745-
/O.NEW.KTOP.TO.W.0003.190429T0717Z-190429T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
217 AM CDT Mon Apr 29 2019

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Southwestern Osage County in east central Kansas...
  Northwestern Coffey County in east central Kansas...
  East central Lyon County in east central Kansas...

* Until 245 AM CDT.
    
* At 217 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 5 miles northwest of Neosho Rapids, moving east at 40
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Lebo and Reading around 230 AM CDT.
  Melvern Lake around 240 AM CDT.
  Olivet and Beto Junction around 245 AM CDT.

This includes Interstate 35 between mile markers 136 and 158.
 
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 3837 9607 3848 9613 3863 9573 3843 9568
TIME...MOT...LOC 0717Z 257DEG 35KT 3844 9606 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Skow

2 follow-up statements

167 
WWUS53 KTOP 290732
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
232 AM CDT Mon Apr 29 2019

KSC111-290741-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-190429T0745Z/
Lyon-
232 AM CDT Mon Apr 29 2019

...THE TORNADO WARNING FOR EAST CENTRAL LYON COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
east central Kansas.

LAT...LON 3839 9595 3855 9594 3863 9573 3843 9568
TIME...MOT...LOC 0731Z 257DEG 35KT 3847 9588 

$$

KSC031-139-290745-
/O.CON.KTOP.TO.W.0003.000000T0000Z-190429T0745Z/
Osage-Coffey-
232 AM CDT Mon Apr 29 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR
SOUTHWESTERN OSAGE AND NORTHWESTERN COFFEY COUNTIES...
    
At 231 AM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles northwest of Lebo, moving east at 40 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Melvern Lake around 240 AM CDT.
  Olivet and Beto Junction around 245 AM CDT.

This includes Interstate 35 between mile markers 144 and 158.
 
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 3839 9595 3855 9594 3863 9573 3843 9568
TIME...MOT...LOC 0731Z 257DEG 35KT 3847 9588 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Skow

172 
WWUS53 KTOP 290745
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
245 AM CDT Mon Apr 29 2019

KSC031-139-290754-
/O.EXP.KTOP.TO.W.0003.000000T0000Z-190429T0745Z/
Osage-Coffey-
245 AM CDT Mon Apr 29 2019

...THE TORNADO WARNING FOR SOUTHWESTERN OSAGE AND NORTHWESTERN COFFEY
COUNTIES WILL EXPIRE AT 245 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty 
winds are still possible with this thunderstorm and the environment 
remains favorable for the development of a tornado.

A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
east central Kansas.

LAT...LON 3839 9595 3855 9594 3863 9573 3843 9568
TIME...MOT...LOC 0744Z 257DEG 35KT 3850 9573 

$$

Skow

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 12:00 AM CDT	Special Weather Statement	TOP	Dickinson	45 min
Apr 29, 12:26 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	36 min
Apr 29, 12:56 AM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Pottawatomie, Riley, Wabaunsee	25 min
Apr 29, 1:13 AM CDT	Special Weather Statement	TOP	Morris	32 min
Apr 29, 1:40 AM CDT	Special Weather Statement	TOP	Wabaunsee	35 min
Apr 29, 1:47 AM CDT	Special Weather Statement	TOP	Lyon	28 min
Apr 29, 1:57 AM CDT	Special Weather Statement	TOP	Shawnee	33 min
Apr 29, 2:49 AM CDT	Special Weather Statement	TOP	Franklin	26 min
Apr 29, 3:08 AM CDT	Special Weather Statement	TOP	Anderson, Coffey	52 min
Apr 29, 3:14 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	46 min
Apr 29, 3:29 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Osage	31 min
Apr 29, 3:42 AM CDT	Tornado Warning	TOP	Anderson, Franklin	20 min
Apr 29, 4:20 AM CDT	Flash Flood Watch	TOP	Anderson, Coffey, Douglas, Franklin, Jackson, Jefferson and 5 more	3 days

Nearby

Tornado Warnings in Kansas, 2019 Every tornado warning in 2019 Tornadoes 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.