Alert archive / Kansas / Tornado Warnings in 2009

Tornado Warning 9, NWS Topeka, KS

June 7, 2009Brown County, Kansas

NWS Topeka, KS issued this tornado warning at Jun 7, 2009, 10:24 PM CDT for Brown County, Kansas. It was in force for 23 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 7, 2009, 10:24 PM CDT (03:24 UTC)
Expired
Jun 7, 2009, 10:47 PM CDT
In force
23 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

County Brown County, KS

The radar

The Topeka radar (KTWX), 125 km from the middle of the area, began a volume at 03:24 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 7, 10:30 PM CDTFUNNEL CLOUD2 Nw Hiawatha, KSREPORTED VIA RADIO NETWORK

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 7, 3:45 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.4 hours before the alert went out and 107 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 2009-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3425 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 2009-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
3425 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1586 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KTOP 080324
TORTOP
KSC013-080415-
/O.NEW.KTOP.TO.W.0009.090608T0324Z-090608T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1024 PM CDT SUN JUN 7 2009

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BROWN COUNTY IN NORTHEAST KANSAS...

* UNTIL 1115 PM CDT

* AT 1021 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES SOUTH OF
  HAMLIN...OR 6 MILES WEST OF HIAWATHA...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAMLIN...
  RESERVE...
  IOWA SAC AND FOX RESERVATION...

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 3999 9532 3989 9533 3985 9558 3995 9568
      4000 9562 3999 9533
TIME...MOT...LOC 0324Z 230DEG 28KT 3988 9562

$$
2 follow-up statements
000 
WWUS53 KTOP 080337
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1037 PM CDT SUN JUN 7 2009

KSC013-080415-
/O.CON.KTOP.TO.W.0009.000000T0000Z-090608T0415Z/
BROWN-
1037 PM CDT SUN JUN 7 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
NORTHEASTERN BROWN COUNTY...

AT 1030 PM CDT...THE PUBLIC REPORTED A FUNNEL CLOUD TWO MILES 
NORTHWEST OF HIAWATHA.  RADAR INDICATED THAT THIS AREA OF ROTATION  
WAS LOCATED BETWEEN HIAWATHA AND HAMLIN...AND WAS MOVING NORTHEAST 
AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
RESERVE AND IOWA SAC AND FOX RESERVATION.

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 NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3999 9532 3991 9540 3985 9558 3995 9568
      4000 9562
TIME...MOT...LOC 0336Z 226DEG 18KT 3992 9557

$$
000 
WWUS53 KTOP 080347
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1047 PM CDT SUN JUN 7 2009

KSC013-080356-
/O.CAN.KTOP.TO.W.0009.000000T0000Z-090608T0415Z/
BROWN-
1047 PM CDT SUN JUN 7 2009

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

AT 1046 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO
LONGER APPEARED CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE
WEATHER...THUS THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR NORTHWEST 
BROWN COUNTY.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE 
STILL POSSIBLE FROM THE THUNDERSTORM AS IT MOVES ACROSS IOWA SAC AND 
FOX RESERVATION.

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

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

LAT...LON 3999 9532 3991 9540 3985 9558 3995 9568
      4000 9562
TIME...MOT...LOC 0346Z 226DEG 18KT 3995 9552

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:18 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris42 min
Jun 7, 8:51 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon39 min
Jun 7, 8:53 PM CDTSevere Thunderstorm WarningTOPGeary, Riley, Wabaunsee22 min
Jun 7, 9:25 PM CDTSevere Thunderstorm WarningTOPNemaha50 min
Jun 7, 9:44 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie46 min
Jun 7, 9:57 PM CDTTornado WarningTOPBrown, Nemaha48 min
Jun 7, 10:12 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington21 min
Jun 7, 10:20 PM CDTSevere Thunderstorm WarningTOPBrown, Marshall, Nemaha55 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.