Alert archive / Kansas / Tornado Warnings in 2019

Tornado Warning 21, NWS Kansas City, MO

May 28, 2019Johnson County, Leavenworth County, Kansas

NWS Kansas City, MO issued this tornado warning at May 28, 2019, 6:17 PM CDT for Johnson County, Leavenworth County, Kansas. It was in force for 28 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: May 28, 2019, 6:17 PM CDT (23:17 UTC)
Expired: May 28, 2019, 6:45 PM CDT
In force: 28 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Observed
Hail: 1.75 in

Counties Johnson County, KS, Leavenworth County, KS

The radar

The Pleasant Hill radar (KEAX), 74 km from the middle of the area, began a volume at 23:19 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

Time	Report	Where	Remark
May 28, 6:40 PM CDT	TORNADO	1 W Linwood, KS	* 3 INJ * A NWS STORM SURVEY TEAM CONFIRMED AN EF-4 TORNADO, WITH MAXIMUM WINDS OF 170 MPH AND A MAXIMUM WIDTH OF 1 MILE OCCURRED TUESDAY EVENING. THE STORM CROSSED THE KANSAS RIVER 2 MILES NORTH OF EUDORA AND DISSIPATED 1.5 MILES WEST OF BONNER SPRINGS. T

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 28, 1:56 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.3 hours before the alert went out and 48 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: 962 J/kg
Mixed-layer CIN: -276 J/kg
Mixed-layer LCL: 801 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 391 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

085 
WFUS53 KEAX 282317
TOREAX
KSC091-103-282345-
/O.NEW.KEAX.TO.W.0021.190528T2317Z-190528T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
617 PM CDT Tue May 28 2019

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Southwestern Leavenworth County in northeastern Kansas...
  Northwestern Johnson County in east central Kansas...

* Until 645 PM CDT.

* At 616 PM CDT, a confirmed tornado was located over Pleasant Grove,
  or near Lawrence, moving northeast at 35 mph.

  HAZARD...Damaging tornado and golf ball 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...
  Olathe, De Soto, Linwood, Reno and Clearview City. 

This includes Kansas Turnpike between mile markers 206 and 217.
 
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 3912 9503 3890 9489 3887 9505 3898 9506
      3899 9507 3898 9509 3896 9508 3897 9511
      3897 9513 3898 9516 3896 9517 3896 9519
      3904 9519
TIME...MOT...LOC 2316Z 242DEG 32KT 3890 9525 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Barham

1 follow-up statement

621 
WWUS53 KEAX 282319
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
619 PM CDT Tue May 28 2019

KSC091-103-282345-
/O.CON.KEAX.TO.W.0021.000000T0000Z-190528T2345Z/
Leavenworth KS-Johnson KS-
619 PM CDT Tue May 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN LEAVENWORTH AND NORTHWESTERN JOHNSON COUNTIES...
    
At 619 PM CDT, a confirmed large and extremely dangerous tornado was
located near Pleasant Grove, or near Lawrence, moving northeast at 35
mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Olathe, De Soto, Linwood, Reno and Clearview City. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3912 9503 3890 9489 3887 9505 3898 9506
      3899 9507 3898 9509 3896 9508 3897 9511
      3897 9513 3898 9516 3896 9517 3896 9519
      3904 9519
TIME...MOT...LOC 2319Z 241DEG 31KT 3890 9524 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

Barham

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 1:47 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	28 min
May 28, 2:07 PM CDT	Flash Flood Warning	EAX	Doniphan	6 hr
May 28, 2:22 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	23 min
May 28, 3:07 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	23 min
May 28, 5:26 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	34 min
May 28, 5:49 PM CDT	Special Weather Statement	EAX	Doniphan	41 min
May 28, 6:14 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	46 min
May 28, 6:33 PM CDT	Tornado Warning EmergencyTornado observedCatastrophic damage threat	EAX	Johnson, Leavenworth, Wyandotte	42 min
May 28, 6:47 PM CDT	Flash Flood Warning	EAX	Johnson, Leavenworth, Wyandotte	6 hr
May 28, 6:51 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth, Wyandotte	39 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.