Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS Topeka, KS

March 22, 2011Clay County, Washington County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 22, 2011, 6:16 PM CDT for Clay County, Washington County, Kansas. It was in force for 29 min. 5 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 22, 2011, 6:16 PM CDT (23:16 UTC)
Expired: Mar 22, 2011, 6:45 PM CDT
In force: 29 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clay County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 98 km from the middle of the area, began a volume at 23:18 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

Time	Report	Where
Mar 22, 6:29 PM CDT	HAIL 0.75	2 Wnw Linn, KS
Mar 22, 6:29 PM CDT	HAIL 0.88	Linn, KS
Mar 22, 6:34 PM CDT	HAIL 0.75	Nw Greenleaf, KS
Mar 22, 6:35 PM CDT	HAIL 0.75	4 Sse Greenleaf, KS
Mar 22, 6:38 PM CDT	HAIL 0.75	3 Ene Greenleaf, 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.

Issued	Product	Office	Lasted
Mar 22, 2:03 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 139 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 64 J/kg
Mixed-layer CIN: -606 J/kg
Mixed-layer LCL: 947 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 524 m²/s²
0-3 km storm-relative helicity: 501 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.

300 
WUUS53 KTOP 222316
SVRTOP
KSC027-201-222345-
/O.NEW.KTOP.SV.W.0013.110322T2316Z-110322T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
616 PM CDT TUE MAR 22 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CLAY COUNTY IN NORTH CENTRAL KANSAS...
  SOUTHERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 645 PM CDT

* AT 610 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE   
THUNDERSTORM PRODUCING QUARTER SIZE HAIL IN CLYDE.  AT 615 PM 
CDT...THIS STORM WAS LOCATED NEAR VINING...OR 18 MILES NORTHWEST OF 
CLAY CENTER...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLIFTON...
  VINING...
  PALMER...
  LINN...
  GREENLEAF...
  BARNES...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3956 9681 3956 9695 3954 9695 3951 9729
      3965 9736 3968 9736 3982 9691
TIME...MOT...LOC 2315Z 251DEG 45KT 3960 9730
WIND...HAIL <50MPH 1.00IN

$$

LEIGHTON

3 follow-up statements

618 
WWUS53 KTOP 222326
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
626 PM CDT TUE MAR 22 2011

KSC027-222336-
/O.CAN.KTOP.SV.W.0013.000000T0000Z-110322T2345Z/
CLAY-
626 PM CDT TUE MAR 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLAY COUNTY HAS
BEEN CANCELLED...

THE STORM WILL STAY NORTH OF THE COUNTY.

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

LAT...LON 3981 9691 3956 9681 3957 9714 3971 9722
      3982 9691
TIME...MOT...LOC 2326Z 251DEG 52KT 3965 9707

$$

KSC201-222345-
/O.CON.KTOP.SV.W.0013.000000T0000Z-110322T2345Z/
WASHINGTON-
626 PM CDT TUE MAR 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHEASTERN WASHINGTON COUNTY...

AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR PALMER...OR 13 MILES SOUTH OF
WASHINGTON...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
LINN...GREENLEAF AND BARNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3981 9691 3956 9681 3957 9714 3971 9722
      3982 9691
TIME...MOT...LOC 2326Z 251DEG 52KT 3965 9707
WIND...HAIL <50MPH 1.00IN

$$

LEIGHTON

016 
WWUS53 KTOP 222335
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
635 PM CDT TUE MAR 22 2011

KSC201-222345-
/O.CON.KTOP.SV.W.0013.000000T0000Z-110322T2345Z/
WASHINGTON-
635 PM CDT TUE MAR 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHEASTERN WASHINGTON COUNTY...

AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR GREENLEAF...OR 10 MILES SOUTH OF
WASHINGTON...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
BARNES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3958 9699 3975 9708 3982 9691 3981 9691
      3956 9681
TIME...MOT...LOC 2335Z 251DEG 52KT 3970 9693
WIND...HAIL <50MPH 1.00IN

$$

LEIGHTON

397 
WWUS53 KTOP 222341
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
641 PM CDT TUE MAR 22 2011

KSC201-222350-
/O.EXP.KTOP.SV.W.0013.000000T0000Z-110322T2345Z/
WASHINGTON-
641 PM CDT TUE MAR 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY
WILL EXPIRE AT 645 PM CDT...

AT 640 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO
LONGER SEVERE...THUS THE WARNING WILL EXPIRE AT 645 PM CDT.

DIME TO NICKEL SIZE HAIL IS STILL POSSIBLE FROM THIS STORM AS IT 
MOVES NORTHEAST AT 50 MPH TOWARD WATERVILLE AND MARYSVILLE.

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

LAT...LON 3958 9699 3975 9708 3982 9691 3981 9691
      3956 9681
TIME...MOT...LOC 2340Z 251DEG 52KT 3972 9684

$$

LEIGHTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 3:55 AM CDT	Wind Advisory	TOP	Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more	14 hr
Mar 22, 5:28 PM CDT	Severe Thunderstorm Warning	TOP	Cloud	32 min
Mar 22, 6:00 PM CDT	Special Weather Statement	TOP	Washington	30 min
Mar 22, 6:46 PM CDT	Special Weather Statement	TOP	Marshall	29 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011 Every 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.