Alert archive / Kansas / Tornado Warnings in 2018

Tornado Warning 3, NWS Topeka, KS

May 1, 2018Cloud County, Ottawa County, Kansas

NWS Topeka, KS issued this tornado warning at May 1, 2018, 6:10 PM CDT for Cloud County, Ottawa County, Kansas. It was in force for 50 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 1, 2018, 6:10 PM CDT (23:10 UTC)
Expired: May 1, 2018, 7:00 PM CDT
In force: 50 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Observed
Hail: 2.5 in

Counties Cloud County, KS, Ottawa County, KS

The radar

The Grand Island radar (KUEX), 119 km from the middle of the area, began a volume at 23:11 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 1, 7:04 PM CDT	TORNADO	7 Ne Glasco, KS	TORNADO WAS VERIFIED BY LIVE VIDEO FEED. HE WAS NEAR HIGHWAY 81, APPROX. 5 MILES SOUTH OF CONCORDIA.

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 1, 2:47 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.2 hours before the alert went out and 192 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: 9 J/kg
Mixed-layer CIN: -558 J/kg
Mixed-layer LCL: 1172 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 215 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

281 
WFUS53 KTOP 012310
TORTOP
KSC029-143-020000-
/O.NEW.KTOP.TO.W.0003.180501T2310Z-180502T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
610 PM CDT TUE MAY 1 2018

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Northwestern Ottawa County in north central Kansas...
  Southwestern Cloud County in north central Kansas...

* Until 700 PM CDT

* At 609 PM CDT, a confirmed tornado was located 7 miles northwest of
  Barnard, moving east at 35 mph.

  HAZARD...Damaging tornado and tennis 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. 

* The tornado will be near...
  Glasco around 640 PM CDT. 
  Delphos around 645 PM CDT. 

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 3942 9793 3951 9770 3922 9762 3922 9793
TIME...MOT...LOC 2309Z 251DEG 29KT 3927 9813 

TORNADO...OBSERVED
HAIL...2.50IN

$$

Baerg

4 follow-up statements

207 
WWUS53 KTOP 012319
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
619 PM CDT TUE MAY 1 2018

KSC029-143-020000-
/O.CON.KTOP.TO.W.0003.000000T0000Z-180502T0000Z/
Ottawa-Cloud-
619 PM CDT TUE MAY 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN OTTAWA AND SOUTHWESTERN CLOUD COUNTIES...
    
At 619 PM CDT, a confirmed tornado was located 7 miles north of
Barnard, moving east at 35 mph.

HAZARD...Damaging tornado and tennis 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. 

This tornado will be near...
  Glasco around 640 PM CDT. 
  Delphos around 645 PM CDT. 

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 3942 9793 3951 9770 3922 9762 3922 9793
TIME...MOT...LOC 2319Z 251DEG 29KT 3930 9803 

TORNADO...OBSERVED
HAIL...2.50IN

$$

Baerg

282 
WWUS53 KTOP 012327
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
627 PM CDT TUE MAY 1 2018

KSC029-143-020000-
/O.CON.KTOP.TO.W.0003.000000T0000Z-180502T0000Z/
Ottawa-Cloud-
627 PM CDT TUE MAY 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHWESTERN OTTAWA AND SOUTHWESTERN CLOUD COUNTIES...
    
At 626 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles south of Simpson, moving east at 30 mph.

HAZARD...Tornado and tennis ball size hail. 

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...
  Glasco around 640 PM CDT. 
  Delphos around 645 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 3942 9793 3951 9770 3927 9763 3924 9793
TIME...MOT...LOC 2326Z 250DEG 28KT 3931 9797 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

Baerg

755 
WWUS53 KTOP 012337
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
637 PM CDT TUE MAY 1 2018

KSC143-012346-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-180502T0000Z/
Ottawa-
637 PM CDT TUE MAY 1 2018

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

A tornado watch remains in effect until 1000 PM CDT for north central
Kansas.

LAT...LON 3942 9793 3951 9770 3931 9764 3931 9793
TIME...MOT...LOC 2336Z 250DEG 28KT 3933 9789 

$$

KSC029-020000-
/O.CON.KTOP.TO.W.0003.000000T0000Z-180502T0000Z/
Cloud-
637 PM CDT TUE MAY 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHWESTERN CLOUD COUNTY...
    
At 636 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Glasco, moving east at 30 mph.

HAZARD...Tornado and tennis ball size hail. 

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...
  Glasco around 645 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 3942 9793 3951 9770 3931 9764 3931 9793
TIME...MOT...LOC 2336Z 250DEG 28KT 3933 9789 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

Baerg

389 
WWUS53 KTOP 012347
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
647 PM CDT TUE MAY 1 2018

KSC029-020000-
/O.CON.KTOP.TO.W.0003.000000T0000Z-180502T0000Z/
Cloud-
647 PM CDT TUE MAY 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHWESTERN CLOUD COUNTY...
    
At 647 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Glasco, moving northeast at 30 mph.

HAZARD...Tornado and tennis ball size hail. 

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 tornadic thunderstorm will remain over mainly rural areas of
southwestern Cloud County.

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 3942 9793 3951 9770 3935 9765 3932 9793
TIME...MOT...LOC 2347Z 241DEG 24KT 3937 9783 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

Baerg

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 6:28 AM CDT	Special Weather Statement	TOP	Douglas	32 min
May 1, 5:04 PM CDT	Severe Thunderstorm Warning	TOP	Republic	41 min
May 1, 5:43 PM CDT	Severe Thunderstorm Warning	TOP	Republic	47 min
May 1, 5:58 PM CDT	Tornado Warning Tornado observed	TOP	Republic	17 min
May 1, 6:00 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	45 min
May 1, 6:08 PM CDT	Severe Thunderstorm Warning	TOP	Republic, Washington	52 min
May 1, 6:53 PM CDT	Tornado Warning	TOP	Cloud	37 min
May 1, 6:59 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	13 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.