Alert archive / Kansas / Tornado Warnings in 2009

Tornado Warning 2, NWS Topeka, KS

March 23, 2009Nemaha County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 23, 2009, 6:33 PM CDT for Nemaha County, Kansas. It was in force for 27 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 23, 2009, 6:33 PM CDT (23:33 UTC)
Expired
Mar 23, 2009, 7:00 PM CDT
In force
27 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

County Nemaha County, KS

The radar

The Topeka radar (KTWX), 104 km from the middle of the area, began a volume at 23:36 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 23, 6:33 PM CDTTORNADO3 W Oneida, KSTORNADO CONFIRMED FROM DAMAGE SURVEY. TORNADO PATH APPROXIMATELY 8.5 MILES LONG. RATED EF-1.
Mar 23, 6:38 PM CDTTSTM WND GST 80Bern, KS

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 23, 1:03 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.6 hours before the alert went out and 103 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 2009-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2009-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 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
3 J/kg
Mixed-layer CIN
-529 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
505 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KTOP 232333
TORTOP
KSC131-240000-
/O.NEW.KTOP.TO.W.0002.090323T2333Z-090324T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
633 PM CDT MON MAR 23 2009

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

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

* UNTIL 700 PM CDT

* AT 633 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
  SOUTHWEST OF BERN...OR 25 MILES SOUTHWEST OF FALLS CITY...MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BERN...
  SABETHA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3983 9578 3985 9600 3988 9610 4000 9607
      4000 9579
TIME...MOT...LOC 2333Z 223DEG 37KT 3992 9602

$$

BOUSTEAD
4 follow-up statements
000 
WWUS53 KTOP 232338
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
638 PM CDT MON MAR 23 2009

KSC131-240000-
/O.CON.KTOP.TO.W.0002.000000T0000Z-090324T0000Z/
NEMAHA-
638 PM CDT MON MAR 23 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN NEMAHA COUNTY...

AT 638 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR BERN...OR 22 MILES WEST OF FALLS CITY...MOVING
NORTHEAST AT 40 MPH.

* THE STORM WITH A POSSIBLE TORNADO WILL BE NEAR...
  BERN AROUND 640 PM CDT...
  SABETHA AROUND 645 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND COVER YOUR HEAD.

&&

LAT...LON 3983 9578 3985 9600 3988 9610 4000 9607
      4000 9579
TIME...MOT...LOC 2338Z 225DEG 36KT 3995 9598

$$

BOUSTEAD
000 
WWUS53 KTOP 232344
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
644 PM CDT MON MAR 23 2009

KSC131-240000-
/O.CON.KTOP.TO.W.0002.000000T0000Z-090324T0000Z/
NEMAHA-
644 PM CDT MON MAR 23 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN NEMAHA COUNTY...

AT 643 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR BERN...OR 19 MILES WEST OF FALLS CITY...MOVING
NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHEASTERN NEMAHA COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND COVER YOUR HEAD.

&&

LAT...LON 3992 9579 3992 9596 3993 9601 4000 9607
      4000 9579
TIME...MOT...LOC 2344Z 229DEG 34KT 3998 9592

$$

BOUSTEAD
000 
WWUS53 KTOP 232347
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
647 PM CDT MON MAR 23 2009

KSC131-240000-
/O.CON.KTOP.TO.W.0002.000000T0000Z-090324T0000Z/
NEMAHA-
647 PM CDT MON MAR 23 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN NEMAHA COUNTY...

AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. A 
REPORT OF 80 MPH WINDS WAS RECEIVED FROM BERN FROM LAW ENFORCEMENT. 
THIS STORM WAS LOCATED 5 MILES NORTHEAST OF BERN...OR 16 MILES WEST 
OF FALLS CITY...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHEASTERN NEMAHA COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND COVER YOUR HEAD.

&&

LAT...LON 3992 9579 3992 9596 3993 9601 4000 9607
      4000 9579
TIME...MOT...LOC 2347Z 229DEG 34KT 4000 9589

$$

BOUSTEAD
000 
WWUS53 KTOP 232352
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
652 PM CDT MON MAR 23 2009

KSC131-240001-
/O.EXP.KTOP.TO.W.0002.000000T0000Z-090324T0000Z/
NEMAHA-
652 PM CDT MON MAR 23 2009

...THE TORNADO WARNING FOR NORTHEASTERN NEMAHA COUNTY WILL EXPIRE AT
700 PM CDT...

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NEMAHA COUNTY 
UNTIL 715 PM.

AT 651 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
STORM WHICH HAD PROMPTED THE TORNADO WARNING 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 3992 9579 3992 9596 3993 9601 4000 9607
      4000 9579
TIME...MOT...LOC 2351Z 229DEG 34KT 4002 9585

$$

BOUSTEAD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 10:12 AM CDTHigh Wind WarningTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more9 hr
Mar 23, 4:01 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris44 min
Mar 23, 4:26 PM CDTSevere Thunderstorm WarningTOPClay, Ottawa28 min
Mar 23, 4:36 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley39 min
Mar 23, 5:06 PM CDTSevere Thunderstorm WarningTOPClay, Geary, Riley39 min
Mar 23, 5:16 PM CDTSevere Thunderstorm WarningTOPJackson, Nemaha, Pottawatomie44 min
Mar 23, 5:19 PM CDTSevere Thunderstorm WarningTOPClay, Riley26 min
Mar 23, 5:19 PM CDTSevere Thunderstorm WarningTOPMarshall, Pottawatomie41 min
Mar 23, 5:27 PM CDTSevere Thunderstorm WarningTOPDickinson48 min
Mar 23, 5:45 PM CDTSevere Thunderstorm WarningTOPClay, Geary, Riley15 min
Mar 23, 6:06 PM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley39 min
Mar 23, 6:28 PM CDTSevere Thunderstorm WarningTOPNemaha30 min
Mar 23, 6:42 PM CDTSevere Thunderstorm WarningTOPPottawatomie48 min
Mar 23, 6:43 PM CDTSevere Thunderstorm WarningTOPBrown23 min
Mar 23, 6:56 PM CDTSevere Thunderstorm WarningTOPRiley23 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.