Alert archive / Kansas / Tornado Warnings in 2017

Tornado Warning 3, NWS Topeka, KS

March 6, 20174 counties in Kansas

NWS Topeka, KS issued this tornado warning at Mar 6, 2017, 5:58 PM CST for 4 counties in Kansas. It was in force for 32 min. 7 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, 5:58 PM CST (23:58 UTC)
Expired
Mar 6, 2017, 6:30 PM CST
In force
32 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Tornado
Observed
Hail
1.25 in

Counties Jackson County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 28 km from the middle of the area, began a volume at 00:00 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, 5:58 PM CSTTORNADO1 W Paxico, KSTORNADO REPORTED NEAR AROUND I 70 NEAR EXIT 331
Mar 6, 5:59 PM CSTTORNADO 01 Ne Paxico, KSTHIS IS NOW PART OF THE WEAK TORNADO TRACK THAT EXTENDS FROM 1 MILE WEST OF PAXICO TO THIS LOCATION.
Mar 6, 5:59 PM CSTTORNADO 01 W Paxico, KSWEAK EF0 TORNADO FIRST REPORTED NEAR AROUND I 70 NEAR EXIT 331. REMOVED A BARN ROOF ON THE NORTHEAST SIDE OF PAXICO.
Mar 6, 6:00 PM CSTTSTM WND DMG1 Ne Paxico, KSDELAYED REPORT. ROOF BLOWN OFF OF A BARN.
Mar 6, 6:00 PM CSTTORNADO 0Sw St. Marys, KSTHIS IS NOW PART OF THE INTERMITTENT TORNADO TRACK THAT EXTENDED FROM 3 MILES SOUTH OF ST GEORGE TO NEAR THIS LOCATION.
Mar 6, 6:01 PM CSTTORNADOSw St. Marys, KSVIDEO SHOWING TORNADO ON THE GROUND JUST SOUTHWEST OF ST. MARY.
Mar 6, 6:13 PM CSTTORNADO 02 Se Rossville, KSWEAK EF0 TORNADO FLIPPED OVER A CENTER PIVOT IRRIGATION SYSTEM AND PROCEEDED TO CAUSE MINOR TREE DAMAGE BEFORE ENDING 3 MILES NE OF SILVER LAKE AT 621 PM.

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, 12.0 hours before the alert went out and 37 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.

493 
WFUS53 KTOP 062358
TORTOP
KSC085-149-177-197-070030-
/O.NEW.KTOP.TO.W.0003.170306T2358Z-170307T0030Z/

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

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Northern Shawnee County in east central Kansas...
  Northeastern Wabaunsee County in east central Kansas...
  Southeastern Pottawatomie County in northeastern Kansas...
  Southern Jackson County in northeastern Kansas...

* Until 630 PM CST

* At 558 PM CST, a confirmed tornado was located near St. Marys,
  moving northeast at 65 mph.

  HAZARD...Damaging tornado and half dollar size hail. 

  SOURCE...Law enforcement confirmed tornado. 1 mile west of paxico.

  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...
  Delia around 605 PM CST. 
  Potawatomi Reservation around 615 PM CST. 
  Hoyt and Mayetta around 620 PM CST. 
  Denison around 625 PM CST. 

This includes Interstate 70 between mile markers 329 and 332.
 
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 3906 9627 3924 9629 3943 9560 3911 9560
TIME...MOT...LOC 2358Z 243DEG 56KT 3918 9612 

TORNADO...OBSERVED
HAIL...1.25IN

$$

Gargan
2 follow-up statements
662 
WWUS53 KTOP 070014
SVSTOP

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

KSC085-149-177-197-070030-
/O.CON.KTOP.TO.W.0003.000000T0000Z-170307T0030Z/
Shawnee-Wabaunsee-Pottawatomie-Jackson-
614 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR NORTHERN
SHAWNEE...NORTHEASTERN WABAUNSEE...SOUTHEASTERN POTTAWATOMIE AND
SOUTHERN JACKSON COUNTIES...
    
At 607 PM CST, a confirmed tornado was located near St. Marys, 
moving east at 55 mph. 

HAZARD...Damaging tornado and half dollar size hail. 

SOURCE...Weather spotters confirmed tornado. Spotters reported a 
         tornado east of St.Mary at 601 pm CST.

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...
  Silver Lake around 615 PM CST. 
  Hoyt and Mayetta around 625 PM CST. 

LAT...LON 3907 9618 3929 9610 3943 9560 3911 9560
TIME...MOT...LOC 0007Z 254DEG 50KT 3918 9601 

TORNADO...OBSERVED
HAIL...1.25IN

$$

Gargan
863 
WWUS53 KTOP 070022
SVSTOP

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

KSC149-197-070029-
/O.CAN.KTOP.TO.W.0003.000000T0000Z-170307T0030Z/
Wabaunsee-Pottawatomie-
622 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR NORTHEASTERN WABAUNSEE AND SOUTHEASTERN
POTTAWATOMIE COUNTIES 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 CST for northeastern
and east central Kansas.

LAT...LON 3911 9560 3909 9595 3910 9595 3911 9597
      3911 9600 3912 9601 3912 9599 3913 9599
      3913 9601 3912 9602 3913 9604 3928 9603
      3943 9560
TIME...MOT...LOC 0019Z 261DEG 46KT 3913 9584 

$$

KSC085-177-070030-
/O.CON.KTOP.TO.W.0003.000000T0000Z-170307T0030Z/
Shawnee-Jackson-
622 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR NORTHERN
SHAWNEE AND SOUTHERN JACKSON COUNTIES...
    
At 619 PM CST, a confirmed tornado was located near Silver Lake,
moving east at 50 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Weather spotters confirmed tornado. 1 mile north silver 
         lake 

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...
  Hoyt around 630 PM CST. 

LAT...LON 3911 9560 3909 9595 3910 9595 3911 9597
      3911 9600 3912 9601 3912 9599 3913 9599
      3913 9601 3912 9602 3913 9604 3928 9603
      3943 9560
TIME...MOT...LOC 0019Z 261DEG 46KT 3913 9584 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Gargan

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, 5:37 PM CSTTornado WarningTOPPottawatomie38 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, 5:59 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.