Alert archive / Kansas / Tornado Warnings in 2019

Tornado Warning 4, NWS Kansas City, MO

May 21, 2019Atchison County, Doniphan County, Kansas

NWS Kansas City, MO issued this tornado warning at May 21, 2019, 7:26 PM CDT for Atchison County, Doniphan 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 21, 2019, 7:26 PM CDT (00:26 UTC)
Expired
May 21, 2019, 8:00 PM CDT
In force
34 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Atchison County, KS, Doniphan County, KS

The radar

The Topeka radar (KTWX), 124 km from the middle of the area, began a volume at 00:29 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.

IssuedProductOfficeLasted
May 21, 6:53 PM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 0.4 hours before the alert went out and 97 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 2019-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 808 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 2019-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
808 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1090 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

729 
WFUS53 KEAX 220026
TOREAX
KSC005-043-220100-
/O.NEW.KEAX.TO.W.0004.190522T0026Z-190522T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
726 PM CDT Tue May 21 2019

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Western Doniphan County in northeastern Kansas...
  North central Atchison County in northeastern Kansas...

* Until 800 PM CDT.

* At 726 PM CDT, a confirmed tornado was located near Denton, or 11
  miles east of Horton, moving northeast at 40 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Weather spotters confirmed tornado.

  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.

* Locations impacted include...
  Highland, Denton, Severance, Huron, Leona, Iowa Point and Fanning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 9542 3965 9534 3990 9534 3996 9531
      3992 9520 3991 9521 3990 9519 3991 9515
      3988 9514 3986 9508 3961 9530
TIME...MOT...LOC 0026Z 211DEG 35KT 3970 9532 

TORNADO...OBSERVED
HAIL...1.00IN

$$

PP
2 follow-up statements
995 
WWUS53 KEAX 220034
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
734 PM CDT Tue May 21 2019

KSC005-220043-
/O.CAN.KEAX.TO.W.0004.000000T0000Z-190522T0100Z/
Atchison KS-
734 PM CDT Tue May 21 2019

...THE TORNADO WARNING FOR NORTH CENTRAL ATCHISON 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 1100 PM CDT for
northeastern Kansas...and northwestern Missouri.

LAT...LON 3970 9534 3990 9534 3996 9531 3992 9520
      3991 9521 3990 9519 3991 9515 3988 9514
      3986 9508 3970 9522
TIME...MOT...LOC 0033Z 211DEG 35KT 3976 9527 

$$

KSC043-220100-
/O.CON.KEAX.TO.W.0004.000000T0000Z-190522T0100Z/
Doniphan KS-
734 PM CDT Tue May 21 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR WESTERN
DONIPHAN COUNTY...
    
At 733 PM CDT, a confirmed tornado was located over Denton, or near
Highland, moving northeast at 40 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Weather spotters confirmed tornado.

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.

Locations impacted include...
Highland, Denton, Severance, Leona, Iowa Point and Fanning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3970 9534 3990 9534 3996 9531 3992 9520
      3991 9521 3990 9519 3991 9515 3988 9514
      3986 9508 3970 9522
TIME...MOT...LOC 0033Z 211DEG 35KT 3976 9527 

TORNADO...OBSERVED
HAIL...1.00IN

$$

PP
720 
WWUS53 KEAX 220053
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
753 PM CDT Tue May 21 2019

KSC043-220101-
/O.EXP.KEAX.TO.W.0004.000000T0000Z-190522T0100Z/
Doniphan KS-
753 PM CDT Tue May 21 2019

...THE TORNADO WARNING FOR WESTERN DONIPHAN COUNTY WILL EXPIRE AT 800
PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Kansas...and northwestern Missouri.

Remember, a Tornado Warning still remains in effect for southern 
Holt County until 815 PM CDT.

LAT...LON 3970 9534 3990 9534 3996 9531 3992 9520
      3991 9521 3990 9519 3991 9515 3988 9514
      3986 9508 3970 9522
TIME...MOT...LOC 0051Z 211DEG 35KT 3990 9516 

$$

PP

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 7:11 PM CDTTornado WarningEAXAtchison, Doniphan21 min
May 21, 7:25 PM CDTSevere Thunderstorm WarningEAXLeavenworth, Wyandotte35 min
May 21, 7:47 PM CDTTornado WarningEAXDoniphan28 min
May 22, 3:09 AM CDTFlash Flood WatchEAXLinn, Miami24 hr
May 22, 4:41 PM CDTSpecial Weather StatementEAXMiami49 min
May 22, 5:27 PM CDTSpecial Weather StatementEAXJohnson33 min
May 22, 6:03 PM CDTSevere Thunderstorm WarningEAXLinn, Miami42 min
May 22, 6:30 PM CDTSevere Thunderstorm WarningEAXLinn, Miami45 min

Nearby

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