Alert archive / Kansas / Tornado Warnings in 2018

Tornado Warning 27, NWS Topeka, KS

May 29, 2018Republic County, Washington County, Kansas

NWS Topeka, KS issued this tornado warning at May 29, 2018, 8:26 PM CDT for Republic County, Washington County, Kansas. It was in force for 19 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 29, 2018, 8:26 PM CDT (01:26 UTC)
Expired: May 29, 2018, 8:45 PM CDT
In force: 19 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Republic County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 95 km from the middle of the area, began a volume at 01:27 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
May 29, 2:40 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.4 hours before the alert went out and 177 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: 2 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 1413 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

742 
WFUS53 KTOP 300126
TORTOP
KSC157-201-300145-
/O.NEW.KTOP.TO.W.0027.180530T0126Z-180530T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
826 PM CDT TUE MAY 29 2018

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Northeastern Republic County in north central Kansas...
  Northwestern Washington County in north central Kansas...

* Until 845 PM CDT
    
* At 826 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Munden, moving northeast at 45 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...
  Narka around 835 PM CDT. 
  Mahaska around 840 PM CDT. 

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 4000 9722 3982 9749 3992 9767 4000 9760
TIME...MOT...LOC 0126Z 227DEG 41KT 3990 9752 

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

$$

JP

1 follow-up statement

414 
WWUS53 KTOP 300142
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
842 PM CDT TUE MAY 29 2018

KSC157-201-300151-
/O.EXP.KTOP.TO.W.0027.000000T0000Z-180530T0145Z/
Republic-Washington-
842 PM CDT TUE MAY 29 2018

...THE TORNADO WARNING FOR NORTHEASTERN REPUBLIC AND NORTHWESTERN
WASHINGTON COUNTIES WILL EXPIRE AT 845 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 1000 PM CDT for
north central Kansas.

LAT...LON 4000 9722 3982 9749 3992 9767 4000 9760
TIME...MOT...LOC 0141Z 227DEG 41KT 4001 9736 

$$

Skow

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:18 PM CDT	Special Weather Statement	TOP	Cloud	27 min
May 29, 7:36 PM CDT	Special Weather Statement	TOP	Cloud	24 min
May 29, 7:50 PM CDT	Special Weather Statement	TOP	Dickinson	25 min
May 29, 7:54 PM CDT	Special Weather Statement	TOP	Dickinson	36 min
May 29, 8:01 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	44 min
May 29, 8:04 PM CDT	Severe Thunderstorm Warning	TOP	Republic, Washington	41 min
May 29, 8:12 PM CDT	Tornado Warning	TOP	Republic	18 min
May 29, 8:39 PM CDT	Special Weather Statement	TOP	Geary, Pottawatomie, Riley, Wabaunsee	36 min
May 29, 9:30 PM CDT	Special Weather Statement	TOP	Morris	45 min
May 29, 10:12 PM CDT	Special Weather Statement	TOP	Shawnee	33 min
May 29, 10:38 PM CDT	Special Weather Statement	TOP	Shawnee	37 min

Nearby

Tornado Warnings in Kansas, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.