Alert archive / Kansas / Tornado Warnings in 2017

Tornado Warning 2, NWS Topeka, KS

March 6, 2017Pottawatomie County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 6, 2017, 5:37 PM CST for Pottawatomie County, Kansas. It was in force for 38 min. 2 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
Mar 6, 2017, 5:37 PM CST (23:37 UTC)
Expired
Mar 6, 2017, 6:15 PM CST
In force
38 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Pottawatomie County, KS

The radar

The Topeka radar (KTWX), 25 km from the middle of the area, began a volume at 23:39 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
Mar 6, 5:37 PM CSTTORNADO 03 N Louisville, KSVISUAL CONFIRMATION OF TORNADO. TORNADO CAUSED NO KNOWN DAMAGE.
Mar 6, 5:46 PM CSTTORNADO1 Sw Belvue, KSSPIN UP ON THE GROUND REPORTED

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
Mar 6, 2:27 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.6 hours before the alert went out and 64 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 12:00Z on 2017-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 408 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
408 m²/s²
0-3 km storm-relative helicity
476 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

825 
WFUS53 KTOP 062337
TORTOP
KSC149-070015-
/O.NEW.KTOP.TO.W.0002.170306T2337Z-170307T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
537 PM CST MON MAR 6 2017

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Southeastern Pottawatomie County in northeastern Kansas...

* Until 615 PM CST
    
* At 537 PM CST, a severe thunderstorm capable of producing a tornado
  was located 3 miles north of Louisville, moving east at 45 mph.

  HAZARD...Tornado and quarter 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...
  Emmett around 555 PM CST. 

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 3922 9604 3920 9622 3921 9624 3918 9627
      3920 9630 3919 9632 3916 9633 3915 9635
      3917 9636 3916 9637 3919 9641 3919 9646
      3917 9646 3917 9648 3918 9648 3917 9649
      3918 9649 3918 9651 3929 9648 3944 9604
TIME...MOT...LOC 2337Z 259DEG 38KT 3930 9629 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BB
1 follow-up statement
510 
WWUS53 KTOP 062358
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
558 PM CST MON MAR 6 2017

KSC149-070015-
/O.CON.KTOP.TO.W.0002.000000T0000Z-170307T0015Z/
Pottawatomie-
558 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
SOUTHEASTERN POTTAWATOMIE COUNTY...
    
At 557 PM CST, a severe thunderstorm capable of producing a tornado 
was located near St. Marys, moving east at 45 mph. A separate 
tornado was located in northern Wabaunsee county and may impact 
southern Pottawatomie county.

HAZARD...Tornado and quarter 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
southeastern Pottawatomie County.

LAT...LON 3920 9619 3929 9618 3936 9604 3922 9604
TIME...MOT...LOC 2357Z 255DEG 39KT 3925 9607 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 1:40 AM CSTWind AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more20 hr
Mar 6, 2:42 PM CSTRed Flag WarningTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more29 hr
Mar 6, 4:36 PM CSTSevere Thunderstorm WarningTOPMarshall39 min
Mar 6, 5:11 PM CSTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie49 min
Mar 6, 5:23 PM CSTSevere Thunderstorm WarningTOPPottawatomie, Riley52 min
Mar 6, 5:24 PM CSTSevere Thunderstorm WarningTOPMarshall, Nemaha51 min
Mar 6, 5:31 PM CSTTornado WarningTOPGeary, Pottawatomie, Riley, Wabaunsee29 min
Mar 6, 5:40 PM CSTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha, Pottawatomie55 min
Mar 6, 5:53 PM CSTSevere Thunderstorm WarningTOPGeary, Morris, Pottawatomie, Riley, Shawnee, Wabaunsee37 min
Mar 6, 5:53 PM CSTSevere Thunderstorm WarningTOPJackson, Pottawatomie37 min
Mar 6, 5:58 PM CSTTornado Warning Tornado observedTOPJackson, Pottawatomie, Shawnee, Wabaunsee32 min
Mar 6, 5:59 PM CSTTornado WarningTOPWabaunsee31 min

Nearby

Tornado Warnings in Kansas, 2017Every tornado warning in 2017Tornadoes 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.