Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 7, NWS Topeka, KS

March 19, 2011Lyon County, Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 19, 2011, 10:50 AM CDT for Lyon County, Morris County, Kansas. It was in force for 25 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
Mar 19, 2011, 10:50 AM CDT (15:50 UTC)
Expired
Mar 19, 2011, 11:15 AM CDT
In force
25 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Lyon County, KS, Morris County, KS

The radar

The Topeka radar (KTWX), 49 km from the middle of the area, began a volume at 15:52 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
Mar 19, 9:43 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 3.8 hours before the alert went out and 80 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 2011-03-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2011-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
2111 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

206 
WUUS53 KTOP 191550
SVRTOP
KSC111-127-191615-
/O.NEW.KTOP.SV.W.0007.110319T1550Z-110319T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1050 AM CDT SAT MAR 19 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LYON COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN MORRIS COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1115 AM CDT

* AT 1047 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL. 
  THIS STORM WAS LOCATED 11 MILES SOUTHWEST OF DUNLAP...OR 15 MILES
  WEST OF EMPORIA...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DUNLAP...
  BUSHONG...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HALF DOLLAR SIZE HAIL...AND SHELTER INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
SAFETY MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR A BASEMENT AND
AVOID WINDOWS.

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

&&

LAT...LON 3851 9636 3852 9651 3874 9647 3872 9619
      3842 9635
TIME...MOT...LOC 1550Z 205DEG 33KT 3846 9644
WIND...HAIL <50MPH 1.25IN

$$
2 follow-up statements
136 
WWUS53 KTOP 191609
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1109 AM CDT SAT MAR 19 2011

KSC111-127-191615-
/O.CON.KTOP.SV.W.0007.000000T0000Z-110319T1615Z/
MORRIS-LYON-
1109 AM CDT SAT MAR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR NORTHWESTERN LYON AND SOUTHEASTERN MORRIS COUNTIES...

AT 1102 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR DUNLAP...OR 9 MILES SOUTHEAST OF
COUNCIL GROVE...MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
BUSHONG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR LARGE HAIL AS WELL
AS DEADLY CLOUD TO GROUND LIGHTNING.

IF YOU ARE OUTSIDE...SEEK SHELTER IN A BUILDING AWAY FROM WINDOWS. 
LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE LIKELY WITH 
THIS STORM.

&&

LAT...LON 3852 9630 3853 9643 3873 9638 3872 9619
TIME...MOT...LOC 1608Z 205DEG 33KT 3861 9635
WIND...HAIL <50MPH 1.00IN

$$
027 
WWUS53 KTOP 191615
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1115 AM CDT SAT MAR 19 2011

KSC111-127-191625-
/O.EXP.KTOP.SV.W.0007.000000T0000Z-110319T1615Z/
MORRIS-LYON-
1115 AM CDT SAT MAR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LYON AND
SOUTHEASTERN MORRIS COUNTIES HAS EXPIRED...

AT 1115 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER SEVERE...THUS THE WARNING HAS EXPIRED.

A SEVERE THUNDERSTORM 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 3852 9630 3853 9643 3873 9638 3872 9619
TIME...MOT...LOC 1615Z 205DEG 33KT 3867 9631

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 9:56 AM CDTSpecial Weather StatementTOPCoffey49 min
Mar 19, 10:00 AM CDTSpecial Weather StatementTOPDickinson60 min
Mar 19, 10:31 AM CDTSpecial Weather StatementTOPCoffey29 min
Mar 19, 10:37 AM CDTSevere Thunderstorm WarningTOPCoffey, Osage38 min
Mar 19, 10:51 AM CDTSpecial Weather StatementTOPMorris39 min
Mar 19, 11:02 AM CDTSpecial Weather StatementTOPFranklin28 min
Mar 19, 11:13 AM CDTSevere Thunderstorm WarningTOPDouglas, Franklin20 min
Mar 19, 11:17 AM CDTSpecial Weather StatementTOPWabaunsee28 min
Mar 19, 11:30 AM CDTSpecial Weather StatementTOPMorris45 min
Mar 19, 11:41 AM CDTSevere Thunderstorm WarningTOPMorris34 min
Mar 19, 11:59 AM CDTSpecial Weather StatementTOPWabaunsee31 min
Mar 19, 12:06 PM CDTSevere Thunderstorm WarningTOPLyon, Wabaunsee39 min
Mar 19, 1:50 PM CDTSpecial Weather StatementTOPFranklin25 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning in 2011

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.