Alert archive / Kansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 113, NWS Topeka, KS

June 11, 2018Marshall County, Nemaha County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 11, 2018, 8:01 PM CDT for Marshall County, Nemaha County, Kansas. It was in force for 59 min. 4 reports 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: Jun 11, 2018, 8:01 PM CDT (01:01 UTC)
Expired: Jun 11, 2018, 9:00 PM CDT
In force: 59 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 2.0 in
Wind: 60.0 mph

Counties Marshall County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 92 km from the middle of the area, began a volume at 01:04 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
Jun 11, 8:54 PM CDT	HAIL 1.5	Axtell, KS	REPORT RECEIVED VIA A SOCIAL MEDIA POST ON WIBW. DELAYED REPORT.
Jun 11, 9:00 PM CDT	HAIL 1	1 S Baileyville, KS
Jun 11, 9:00 PM CDT	HAIL 1	3 Ne Axtell, KS
Jun 11, 9:06 PM CDT	HAIL 1	Baileyville, KS

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
Jun 11, 6:12 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 1.0 hours before the alert went out and 107 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: 3203 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1854 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

As transmitted.

356 
WUUS53 KTOP 120101
SVRTOP
KSC117-131-120200-
/O.NEW.KTOP.SV.W.0113.180612T0101Z-180612T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
801 PM CDT MON JUN 11 2018

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northwestern Nemaha County in northeastern Kansas...
  Northeastern Marshall County in northeastern Kansas...

* Until 900 PM CDT

* At 759 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles east of Peru to 5 miles northwest of
  Frankfort, moving east at 20 mph.

  HAZARD...Two inch hail and 60 mph wind gusts. 

  SOURCE...Radar indicated. This storm has a history of producing 
           baseball size hail in Johnson county near Cook at 745 pm 
           CDT.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees. 

* Locations impacted include...
  Seneca, Centralia, Axtell, Beattie, Bern, Summerfield, Vermillion,
  Oneida and Baileyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3962 9621 3987 9662 4000 9655 4000 9580
TIME...MOT...LOC 0059Z 289DEG 17KT 4049 9567 3978 9646 

HAIL...2.00IN
WIND...60MPH
 
$$

JP

3 follow-up statements

852 
WWUS53 KTOP 120118
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
818 PM CDT MON JUN 11 2018

KSC117-131-120200-
/O.CON.KTOP.SV.W.0113.000000T0000Z-180612T0200Z/
Nemaha-Marshall-
818 PM CDT MON JUN 11 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHWESTERN NEMAHA AND NORTHEASTERN MARSHALL COUNTIES...

At 817 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northeast of Humboldt to 4 miles northeast of
Frankfort, moving southeast at 15 mph.

These are very dangerous storms.

HAZARD...Baseball size hail and 60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles. 

Locations impacted include...
Seneca, Centralia, Axtell, Beattie, Bern, Summerfield, Vermillion,
Oneida and Baileyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.

&&

LAT...LON 4000 9580 3962 9621 3987 9662 4000 9655
      4000 9624 3999 9624 4000 9622
TIME...MOT...LOC 0117Z 301DEG 13KT 4020 9586 3975 9637 

HAIL...2.75IN
WIND...60MPH
 
$$

jp

428 
WWUS53 KTOP 120130
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
830 PM CDT MON JUN 11 2018

KSC117-131-120200-
/O.CON.KTOP.SV.W.0113.000000T0000Z-180612T0200Z/
Nemaha-Marshall-
830 PM CDT MON JUN 11 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHWESTERN NEMAHA AND NORTHEASTERN MARSHALL COUNTIES...

At 830 PM CDT, severe thunderstorms were located along a line
extending from 3 miles southwest of Stella to 5 miles north of
Frankfort, moving east at 15 mph.

These are very dangerous storms.

HAZARD...Baseball size hail and 70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be severely injured. 
         Expect shattered windows, extensive damage to roofs, 
         siding, and vehicles. 

Locations impacted include...
Seneca, Centralia, Axtell, Beattie, Bern, Summerfield, Vermillion,
Oneida and Baileyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.

&&

LAT...LON 4000 9580 3962 9621 3987 9662 4000 9655
      4000 9624 3999 9624 4000 9622
TIME...MOT...LOC 0130Z 286DEG 14KT 4019 9581 3978 9641 

HAIL...2.75IN
WIND...70MPH
 
$$

jp

175 
WWUS53 KTOP 120146
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
846 PM CDT MON JUN 11 2018

KSC117-131-120200-
/O.CON.KTOP.SV.W.0113.000000T0000Z-180612T0200Z/
Nemaha-Marshall-
846 PM CDT MON JUN 11 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHWESTERN NEMAHA AND NORTHEASTERN MARSHALL COUNTIES...

At 846 PM CDT, severe thunderstorms were located along a line
extending from near Verdon to 4 miles northwest of Vermillion, moving
east at 15 mph.

HAZARD...Tennis ball size hail and 70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings. 

Locations impacted include...
Seneca, Centralia, Axtell, Beattie, Bern, Summerfield, Vermillion,
Oneida and Baileyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.

&&

LAT...LON 4000 9580 3962 9621 3987 9647 4000 9639
      4000 9624 3999 9624 4000 9622
TIME...MOT...LOC 0146Z 286DEG 14KT 4017 9574 3976 9633 

HAIL...2.50IN
WIND...70MPH
 
$$

jp

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:15 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	60 min
Jun 11, 8:42 PM CDT	Tornado Warning	TOP	Brown, Nemaha	48 min
Jun 11, 8:57 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	48 min
Jun 11, 9:03 PM CDT	Tornado Warning	TOP	Nemaha	27 min
Jun 11, 9:11 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	64 min
Jun 11, 9:20 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Jefferson, Nemaha, Pottawatomie	55 min
Jun 11, 9:26 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Nemaha	49 min
Jun 11, 9:32 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	58 min
Jun 11, 9:36 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley	54 min
Jun 11, 9:43 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha, Pottawatomie	32 min
Jun 11, 9:45 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	44 min
Jun 11, 10:09 PM CDT	Areal Flood Advisory	TOP	Brown, Nemaha	3 hr
Jun 11, 10:09 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Jefferson, Nemaha, Pottawatomie	66 min
Jun 11, 10:13 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris, Wabaunsee	21 min
Jun 11, 10:16 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Nemaha, Pottawatomie	59 min
Jun 11, 10:41 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jackson, Jefferson, Osage, Pottawatomie, Shawnee and 1 more	64 min
Jun 11, 10:55 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Shawnee, Wabaunsee	35 min
Jun 11, 11:15 PM CDT	Special Weather Statement	TOP	Morris	30 min
Jun 11, 11:29 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Jefferson, Osage, Shawnee	46 min
Jun 11, 11:30 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Pottawatomie, Shawnee, Wabaunsee	45 min
Jun 11, 11:40 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jackson, Jefferson, Shawnee	35 min
Jun 11, 11:43 PM CDT	Special Weather Statement	TOP	Wabaunsee	32 min
Jun 12, 12:05 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Douglas, Franklin, Lyon, Osage and 2 more	55 min
Jun 12, 12:47 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Lyon, Osage	58 min
Jun 12, 12:59 AM CDT	Special Weather Statement	TOP	Jefferson	31 min
Jun 12, 1:46 AM CDT	Special Weather Statement	TOP	Anderson	14 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2018 Every severe thunderstorm warning 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.