Alert archive / Kansas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 101, NWS Topeka, KS

June 16, 20175 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 16, 2017, 11:41 PM CDT for 5 counties in Kansas. It was in force for 34 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
Jun 16, 2017, 11:41 PM CDT (04:41 UTC)
Expired
Jun 17, 2017, 12:15 AM CDT
In force
34 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Jackson County, KS, Jefferson County, KS, Nemaha County, KS, Pottawatomie County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 63 km from the middle of the area, began a volume at 04:42 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

TimeReportWhereRemark
Jun 16, 11:56 PM CDTTSTM WND GST 50Mayetta, 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.

IssuedProductOfficeLasted
Jun 16, 7:52 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 4.7 hours before the alert went out and 53 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 2017-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3990 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 2017-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.193958Sfc1 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
3990 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1299 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
2.4
Supercell composite
23.8

Open this sounding in Storm Lab

The text

As transmitted.

202 
WUUS53 KTOP 170441
SVRTOP
KSC085-087-131-149-177-170515-
/O.NEW.KTOP.SV.W.0101.170617T0441Z-170617T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1141 PM CDT FRI JUN 16 2017

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jefferson County in northeastern Kansas...
  Northwestern Shawnee County in east central Kansas...
  Northeastern Pottawatomie County in northeastern Kansas...
  Southeastern Nemaha County in northeastern Kansas...
  Jackson County in northeastern Kansas...

* Until 1215 AM CDT

* At 1141 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles north of Soldier to 7 miles southwest of
  Circleville to 3 miles northwest of Emmett to 5 miles northeast of
  Louisville, moving southeast at 50 mph.

  HAZARD...70 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Severe thunderstorms will be near, 
  Wetmore, Circleville and Potawatomi Reservation around 1150 PM 
  CDT. 
  Netawaka around 1155 PM CDT. 
  Holton, St. Marys, Mayetta and Delia around 1200 AM CDT. 
  Hoyt around 1205 AM CDT. 
  Denison around 1210 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows! 
&&

LAT...LON 3961 9556 3957 9556 3957 9557 3942 9557
      3942 9555 3930 9557 3920 9571 3916 9598
      3941 9643 3944 9625 3955 9615 3969 9613
TIME...MOT...LOC 0441Z 296DEG 43KT 3959 9596 3943 9597 3936 9609 3932
9627

HAIL...<.75IN
WIND...70MPH
 
$$

Skow
2 follow-up statements
454 
WWUS53 KTOP 170453
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1153 PM CDT FRI JUN 16 2017

KSC085-087-131-149-177-170515-
/O.CON.KTOP.SV.W.0101.000000T0000Z-170617T0515Z/
Jefferson-Shawnee-Pottawatomie-Nemaha-Jackson-
1153 PM CDT FRI JUN 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR NORTHWESTERN JEFFERSON...NORTH CENTRAL SHAWNEE...EAST CENTRAL
POTTAWATOMIE...SOUTHEASTERN NEMAHA AND JACKSON COUNTIES...

At 1152 PM CDT, severe thunderstorms were located along a line
extending from 4 miles southwest of Wetmore to 5 miles southwest of
Holton to near Potawatomi Reservation to 3 miles north of Delia,
moving southeast at 50 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

These severe storms will be near...
  Mayetta around 1200 AM CDT. 
  Hoyt, Denison and Whiting around 1205 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.
 
&&

LAT...LON 3961 9556 3957 9556 3957 9557 3942 9557
      3942 9555 3930 9557 3920 9571 3918 9584
      3935 9620 3943 9606 3955 9599 3967 9601
TIME...MOT...LOC 0452Z 293DEG 43KT 3958 9587 3942 9582 3932 9589 3928
9596

HAIL...<.75IN
WIND...70MPH
 
$$

Skow
362 
WWUS53 KTOP 170508
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
1208 AM CDT SAT JUN 17 2017

KSC085-087-131-149-177-170518-
/O.EXP.KTOP.SV.W.0101.000000T0000Z-170617T0515Z/
Jefferson-Shawnee-Pottawatomie-Nemaha-Jackson-
1208 AM CDT SAT JUN 17 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JEFFERSON...NORTH
CENTRAL SHAWNEE...EAST CENTRAL POTTAWATOMIE...SOUTHEASTERN NEMAHA AND
JACKSON COUNTIES WILL EXPIRE AT 1215 AM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.  However gusty winds
and heavy rain are still possible with these thunderstorms.

A severe thunderstorm watch remains in effect until 400 AM CDT for
northeastern and east central Kansas.

LAT...LON 3961 9556 3957 9556 3957 9557 3942 9557
      3942 9555 3930 9557 3920 9571 3918 9584
      3935 9620 3943 9606 3955 9599 3967 9601
TIME...MOT...LOC 0508Z 296DEG 43KT 3950 9566 3934 9561 3924 9568 3920
9575

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:49 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha41 min
Jun 16, 9:55 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington50 min
Jun 16, 10:17 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington43 min
Jun 16, 10:29 PM CDTSevere Thunderstorm WarningTOPBrown46 min
Jun 16, 10:37 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington38 min
Jun 16, 10:57 PM CDTSevere Thunderstorm WarningTOPWashington48 min
Jun 16, 11:00 PM CDTAreal Flood AdvisoryTOPBrown3 hr
Jun 16, 11:06 PM CDTSevere Thunderstorm WarningTOPJackson, Marshall, Nemaha, Pottawatomie, Riley39 min
Jun 16, 11:13 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha47 min
Jun 16, 11:28 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson32 min
Jun 16, 11:45 PM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie, Riley, Washington31 min
Jun 16, 11:57 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson48 min
Jun 17, 12:07 AM CDTSevere Thunderstorm WarningTOPDouglas, Jackson, Jefferson, Shawnee38 min
Jun 17, 12:14 AM CDTSevere Thunderstorm WarningTOPClay, Marshall, Pottawatomie, Riley, Washington46 min
Jun 17, 12:36 AM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Shawnee39 min
Jun 17, 12:42 AM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley, Wabaunsee48 min
Jun 17, 12:46 AM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie, Riley, Washington44 min
Jun 17, 12:51 AM CDTSevere Thunderstorm WarningTOPDouglas, Osage, Shawnee39 min
Jun 17, 1:31 AM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie44 min
Jun 17, 1:45 AM CDTSevere Thunderstorm WarningTOPAnderson, Franklin, Osage45 min
Jun 17, 2:07 AM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee23 min
Jun 17, 2:13 AM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie47 min
Jun 17, 2:19 AM CDTSevere Thunderstorm WarningTOPOsage, Shawnee, Wabaunsee41 min
Jun 17, 2:27 AM CDTSevere Thunderstorm WarningTOPCoffey, Franklin, Osage48 min
Jun 17, 2:57 AM CDTSevere Thunderstorm WarningTOPOsage, Shawnee, Wabaunsee33 min
Jun 17, 3:29 AM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Osage46 min
Jun 17, 3:33 AM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee42 min
Jun 17, 4:12 AM CDTSevere Thunderstorm WarningTOPAnderson, Coffey48 min
Jun 17, 4:15 AM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee30 min
Jun 17, 5:21 AM CDTSevere Thunderstorm WarningTOPDouglas, Franklin24 min
Jun 17, 6:19 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris, Wabaunsee41 min
Jun 17, 6:43 PM CDTSevere Thunderstorm WarningTOPWabaunsee47 min
Jun 17, 6:45 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris, Wabaunsee45 min
Jun 17, 6:53 PM CDTSevere Thunderstorm WarningTOPGeary, Morris, Wabaunsee52 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2017Every severe thunderstorm warning in 2017

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.