Alert archive / Kansas / Tornado Warnings in 2009

Tornado Warning 13, NWS Topeka, KS

June 17, 2009Brown County, Jackson County, Kansas

NWS Topeka, KS issued this tornado warning at Jun 17, 2009, 2:57 PM CDT for Brown County, Jackson County, Kansas. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2009, 2:57 PM CDT (19:57 UTC)
Expired
Jun 17, 2009, 3:30 PM CDT
In force
33 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

Counties Brown County, KS, Jackson County, KS

The radar

The Topeka radar (KTWX), 99 km from the middle of the area, began a volume at 19:59 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 12:52 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.0 hours before the alert went out and 76 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 2009-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2807 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 12:00Z on 2009-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
2807 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KTOP 171957
TORTOP
KSC013-085-172030-
/O.NEW.KTOP.TO.W.0013.090617T1957Z-090617T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
257 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BROWN COUNTY IN NORTHEAST KANSAS...
  EXTREME NORTHEASTERN JACKSON COUNTY IN NORTHEAST KANSAS...

* UNTIL 330 PM CDT

* AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR KICKAPOO
  RESERVATION...OR 14 MILES SOUTHWEST OF HIAWATHA...MOVING EAST AT 25
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  HORTON...

GOLFBALL SIZE HAIL IS ALSO POSSIBLE WITH THIS STORM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO APPROACHES...GO TO A BASEMENT OR SEEK SHELTER IN A
HALLWAY OR CLOSET ON THE LOWEST FLOOR OF THE BUILDING. USE BLANKETS
OR PILLOWS TO COVER YOUR HEAD AND ALWAYS STAY AWAY FROM WINDOWS.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.

&&

LAT...LON 3971 9533 3965 9533 3964 9533 3964 9554
      3958 9555 3964 9575 3979 9570
TIME...MOT...LOC 1956Z 289DEG 20KT 3968 9567

$$
3 follow-up statements
000 
WWUS53 KTOP 172013
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
313 PM CDT WED JUN 17 2009

KSC085-172022-
/O.CAN.KTOP.TO.W.0013.000000T0000Z-090617T2030Z/
JACKSON-
313 PM CDT WED JUN 17 2009

...THE TORNADO WARNING FOR NORTHEASTERN JACKSON COUNTY HAS BEEN
CANCELLED...

THE ROTATING PART OF THE STORM WILL STAY NORTH AND NORTHEAST OF 
JACKSON COUNTY. A TORNADO WATCH REMAINS IN EFFECT.

LAT...LON 3964 9554 3964 9555 3965 9555 3965 9565
      3977 9560 3971 9533 3964 9533
TIME...MOT...LOC 2012Z 287DEG 21KT 3965 9553

$$

KSC013-172030-
/O.CON.KTOP.TO.W.0013.000000T0000Z-090617T2030Z/
BROWN-
313 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN BROWN COUNTY...

AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR HORTON...OR 14 MILES SOUTH OF HIAWATHA...
MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
EVEREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO APPROACHES...GO TO A BASEMENT OR SEEK SHELTER IN A
HALLWAY OR CLOSET ON THE LOWEST FLOOR OF THE BUILDING. USE BLANKETS
OR PILLOWS TO COVER YOUR HEAD AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 3964 9554 3964 9555 3965 9555 3965 9565
      3977 9560 3971 9533 3964 9533
TIME...MOT...LOC 2012Z 287DEG 21KT 3965 9553

$$
000 
WWUS53 KTOP 172021
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
321 PM CDT WED JUN 17 2009

KSC013-172030-
/O.CON.KTOP.TO.W.0013.000000T0000Z-090617T2030Z/
BROWN-
321 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN BROWN COUNTY...

AT 318 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
ROTATION WAS LOCATED JUST SOUTHWEST OF EVEREST...OR 14 MILES SOUTH 
OF HIAWATHA...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF SOUTHEASTERN BROWN COUNTY...

GOLFBALL SIZE HAIL IS ALSO POSSIBLE WITH THIS STORM EAST OF WILLIS 
AND JUST NORTH OF EVEREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO APPROACHES...GO TO A BASEMENT OR SEEK SHELTER IN A
HALLWAY OR CLOSET ON THE LOWEST FLOOR OF THE BUILDING. USE BLANKETS
OR PILLOWS TO COVER YOUR HEAD AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 3964 9550 3975 9552 3971 9533 3964 9533
TIME...MOT...LOC 2020Z 283DEG 21KT 3965 9544

$$
000 
WWUS53 KTOP 172033
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
333 PM CDT WED JUN 17 2009

KSC013-172043-
/O.EXP.KTOP.TO.W.0013.000000T0000Z-090617T2030Z/
BROWN-
333 PM CDT WED JUN 17 2009

...THE TORNADO WARNING FOR SOUTHEASTERN BROWN COUNTY HAS EXPIRED...

AT 333 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
STRONGEST PART OF THE STORM WHICH HAD PROMPTED THE TORNADO WARNING 
FOR BROWN COUNTY HAD EXITED THE WARNED AREA...THUS THE WARNING HAS 
BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT. STAY ALERT TO THE WEATHER.

LAT...LON 3964 9550 3975 9552 3971 9533 3964 9533
TIME...MOT...LOC 2021Z 283DEG 21KT 3957 9546

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 9:40 PM CDTRiver Flood WarningTOPAnderson, Franklin13 hr
Jun 17, 12:34 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington41 min
Jun 17, 1:08 PM CDTSevere Thunderstorm WarningTOPMarshall52 min
Jun 17, 1:15 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington45 min
Jun 17, 1:30 PM CDTSevere Thunderstorm WarningTOPNemaha45 min
Jun 17, 2:11 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha49 min
Jun 17, 2:11 PM CDTTornado WarningTOPMarshall, Washington34 min
Jun 17, 2:22 PM CDTTornado WarningTOPBrown, Jackson, Nemaha38 min
Jun 17, 2:39 PM CDTTornado WarningTOPMarshall, Nemaha36 min
Jun 17, 3:15 PM CDTTornado WarningTOPMarshall, Nemaha30 min

Nearby

Tornado Warnings in Kansas, 2009Every tornado warning in 2009Tornadoes in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.