Alert archive / Kansas / Tornado Warnings in 2017

Tornado Warning 6, NWS Topeka, KS

March 6, 2017Shawnee County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 6, 2017, 6:19 PM CST for Shawnee County, Kansas. It was in force for 26 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
Mar 6, 2017, 6:19 PM CST (00:19 UTC)
Expired
Mar 6, 2017, 6:45 PM CST
In force
26 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Shawnee County, KS

The radar

The Topeka radar (KTWX), 51 km from the middle of the area, began a volume at 00:20 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, 6:44 PM CSTHAIL 12 Nw Topeka, KSREPORTED AT KSNT

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 00:00Z, 0.3 hours before the alert went out and 3 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 2017-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 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 2017-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 333 square meters per square second.1939587897117136Sfc1 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
707 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1970 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
333 m²/s²
0-3 km storm-relative helicity
349 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.4

Open this sounding in Storm Lab

The text

As transmitted.

281 
WFUS53 KTOP 070019
TORTOP
KSC177-070045-
/O.NEW.KTOP.TO.W.0006.170307T0019Z-170307T0045Z/

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

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Shawnee County in east central Kansas...

* Until 645 PM CST
    
* At 619 PM CST, a severe thunderstorm capable of producing a tornado
  was located 4 miles southeast of Willard, moving east at 50 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...
  Topeka around 635 PM CST. 
  Tecumseh around 640 PM CST. 

This includes the following highways...
 Interstate 70 between mile markers 346 and 355.
 Kansas Turnpike between mile markers 166 and 188.

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 3887 9550 3887 9594 3909 9595 3910 9591
      3913 9560 3907 9560 3905 9558 3907 9554
      3907 9551 3905 9550
TIME...MOT...LOC 0019Z 255DEG 44KT 3904 9590 

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

$$

BB
2 follow-up statements
387 
WWUS53 KTOP 070033
SVSTOP

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

KSC177-070045-
/O.CON.KTOP.TO.W.0006.000000T0000Z-170307T0045Z/
Shawnee-
633 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR SHAWNEE
COUNTY...
    
At 632 PM CST, a severe thunderstorm capable of producing a tornado 
was located over Auburn, moving east at 65 mph. Other small 
tornadoes may develop ahead of the line of storms from 
Topeka...southwest to Auburn.

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...
  Pauline around 640 PM CST. 
  Topeka, Richland and Berryton around 645 PM CST. 

This includes the following highways...
 Interstate 70 between mile markers 346 and 355.
 Kansas Turnpike between mile markers 166 and 188.

LAT...LON 3887 9550 3887 9594 3909 9595 3910 9591
      3913 9560 3907 9560 3905 9558 3907 9554
      3907 9551 3905 9550
TIME...MOT...LOC 0032Z 264DEG 57KT 3890 9585 

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

$$

Gargan
110 
WWUS53 KTOP 070037
SVSTOP

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

KSC177-070045-
/O.CON.KTOP.TO.W.0006.000000T0000Z-170307T0045Z/
Shawnee-
637 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR SHAWNEE
COUNTY...
    
At 636 PM CST, a severe thunderstorm capable of producing a tornado 
was located over Auburn, moving east at 45 mph. Weak tornadoes may 
develop ahead of a line of thunderstorms from Topeka...southwest to 
Auburn.

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...
  Pauline and Berryton around 645 PM CST. 

This includes the following highways...
 Interstate 70 between mile markers 350 and 355.
 Kansas Turnpike between mile markers 166 and 188.

LAT...LON 3887 9550 3887 9594 3905 9590 3911 9578
      3913 9560 3907 9560 3905 9558 3907 9554
      3907 9551 3905 9550
TIME...MOT...LOC 0036Z 265DEG 37KT 3890 9581 

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

$$

Gargan

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 6:05 PM CSTTornado WarningTOPLyon, Morris, Wabaunsee25 min
Mar 6, 6:30 PM CSTTornado WarningTOPLyon, Osage, Shawnee, Wabaunsee30 min
Mar 6, 6:30 PM CSTTornado Warning Tornado observedTOPJackson, Jefferson, Shawnee30 min
Mar 6, 6:35 PM CSTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage25 min
Mar 6, 6:47 PM CSTSevere Thunderstorm WarningTOPDouglas, Jefferson, Osage, Shawnee43 min
Mar 6, 6:49 PM CSTSevere Thunderstorm WarningTOPDouglas, Franklin, Lyon, Osage56 min
Mar 6, 6:56 PM CSTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Lyon, Osage64 min
Mar 6, 7:27 PM CSTSevere Thunderstorm WarningTOPDouglas18 min
Mar 6, 7:42 PM CSTSpecial Weather StatementTOPFranklin18 min
Mar 6, 7:54 PM CSTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin32 min
Mar 7, 3:27 AM CSTWind AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more15 hr
Mar 7, 3:30 PM CSTFire Weather WatchTOPAnderson, Brown, Coffey, Dickinson, Douglas, Franklin and 12 more12 hr

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.