Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS Topeka, KS

March 19, 2011Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 19, 2011, 11:41 AM CDT for Morris County, Kansas. It was in force for 34 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 19, 2011, 11:41 AM CDT (16:41 UTC)
Expired
Mar 19, 2011, 12:15 PM CDT
In force
34 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Morris County, KS

The radar

The Topeka radar (KTWX), 38 km from the middle of the area, began a volume at 16:42 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 19, 11:54 AM CDTHAIL 16 N Council Grove, 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 19, 9:43 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 4.7 hours before the alert went out and 82 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°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.

014 
WUUS53 KTOP 191641
SVRTOP
KSC127-191715-
/O.NEW.KTOP.SV.W.0009.110319T1641Z-110319T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1141 AM CDT SAT MAR 19 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORRIS COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1215 PM CDT

* AT 1137 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR WILSEY...OR 10 MILES WEST OF COUNCIL
  GROVE...MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DWIGHT...
  COUNCIL GROVE LAKE...
  COUNCIL GROVE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU
ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A
BUILDING NOW.

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

&&

LAT...LON 3862 9673 3874 9680 3887 9661 3886 9649
      3882 9649 3882 9638 3874 9638 3873 9635
      3868 9635
TIME...MOT...LOC 1642Z 250DEG 32KT 3870 9662
WIND...HAIL <50MPH 1.00IN

$$
2 follow-up statements
962 
WWUS53 KTOP 191654
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1154 AM CDT SAT MAR 19 2011

KSC127-191715-
/O.CON.KTOP.SV.W.0009.000000T0000Z-110319T1715Z/
MORRIS-
1154 AM CDT SAT MAR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR NORTHEASTERN MORRIS COUNTY...

AT 1152 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED
NEAR COUNCIL GROVE LAKE...OR 5 MILES NORTH OF COUNCIL GROVE...MOVING
EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHEAST MORRIS COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU
ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A
BUILDING NOW.

&&

LAT...LON 3865 9655 3877 9665 3886 9649 3882 9649
      3882 9638 3874 9638 3873 9635 3869 9635
      3868 9635
TIME...MOT...LOC 1654Z 250DEG 32KT 3873 9649
WIND...HAIL <50MPH 1.00IN

$$
409 
WWUS53 KTOP 191709
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1209 PM CDT SAT MAR 19 2011

KSC127-191719-
/O.EXP.KTOP.SV.W.0009.000000T0000Z-110319T1715Z/
MORRIS-
1209 PM CDT SAT MAR 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORRIS COUNTY
WILL EXPIRE AT 1215 PM CDT...

AT 1209 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...
THUS THE WARNING WILL EXPIRE AT 1215 PM CDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT. STAY ALERT TO THE
WEATHER.

LAT...LON 3865 9655 3877 9665 3886 9649 3882 9649
      3882 9638 3874 9638 3873 9635 3869 9635
      3868 9635
TIME...MOT...LOC 1709Z 250DEG 32KT 3877 9633

$$

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, 10:50 AM CDTSevere Thunderstorm WarningTOPLyon, Morris25 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, 11:59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.