Alert archive / Kansas / Tornado Warnings in 2011

Tornado Warning 40, NWS Goodland, KS

June 20, 2011Decatur County, Kansas

NWS Goodland, KS issued this tornado warning at Jun 20, 2011, 6:00 PM CDT for Decatur County, Kansas. It was in force for 60 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: Jun 20, 2011, 6:00 PM CDT (23:00 UTC)
Expired: Jun 20, 2011, 7:00 PM CDT
In force: 60 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon

County Decatur County, KS

The radar

The Goodland radar (KGLD), 122 km from the middle of the area, began a volume at 23:02 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.

Issued	Product	Office	Lasted
Jun 20, 1:00 PM CDT	Tornado Watch PDS	SPC	10 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.0 hours before the alert went out and 165 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: 163 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 159 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

405 
WFUS53 KGLD 202300
TORGLD
KSC039-210000-
/O.NEW.KGLD.TO.W.0040.110620T2300Z-110621T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
600 PM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN DECATUR COUNTY IN NORTHWEST KANSAS...

* UNTIL 700 PM CDT

* AT 557 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THESE
  DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM OBERLIN
  TO JENNINGS...AND WAS MOVING NORTHWEST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JENNINGS...NORCATUR...OBERLIN AND KANONA.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 78 AND 98.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3956 10022 3957 10060 3984 10058 3984 10018
      3957 10018
TIME...MOT...LOC 2300Z 131DEG 6KT 3978 10055 3962 10026
HAIL <.75IN
$$

ROBINSON

1 follow-up statement

555 
WWUS53 KGLD 202317
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
517 PM MDT MON JUN 20 2011

KSC039-210000-
/O.CON.KGLD.TO.W.0040.000000T0000Z-110621T0000Z/
DECATUR KS-
617 PM CDT MON JUN 20 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN DECATUR
COUNTY UNTIL 700 PM CDT...

AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO.  THESE 
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LEOVILLE 
TO NORCATUR...AND WAS MOVING NORTHWEST AT 10 MPH.

LOCATIONS IMPACTED INCLUDE...
  DRESDEN...LEOVILLE...KANONA AND OBERLIN.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 78 AND 98.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3956 10022 3957 10060 3984 10058 3984 10018
      3957 10018
TIME...MOT...LOC 2317Z 120DEG 7KT 3958 10042 3982 10023
HAIL <.75IN
$$

ROBINSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 12:20 AM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	55 min
Jun 20, 3:48 AM CDT	Wind Advisory	GLD	Cheyenne, Gove, Greeley, Logan, Sherman, Thomas and 2 more	23 hr
Jun 20, 3:56 AM CDT	Flash Flood Watch	GLD	Cheyenne	17 hr
Jun 20, 5:34 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	41 min
Jun 20, 6:06 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Logan, Wallace	39 min
Jun 20, 6:34 AM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Thomas, Wallace	41 min
Jun 20, 7:09 AM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	51 min
Jun 20, 7:26 AM CDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	64 min
Jun 20, 7:53 AM CDT	Severe Thunderstorm Warning	GLD	Decatur, Gove, Graham, Norton, Sheridan, Thomas	67 min
Jun 20, 8:19 AM CDT	Severe Thunderstorm Warning	GLD	Logan, Sherman, Wallace	56 min
Jun 20, 9:13 AM CDT	Special Weather Statement	GLD	Sherman	47 min
Jun 20, 9:46 AM CDT	Severe Thunderstorm Warning	GLD	Rawlins, Thomas	59 min
Jun 20, 9:49 AM CDT	Special Weather Statement	GLD	Greeley, Wichita	26 min
Jun 20, 10:09 AM CDT	Severe Thunderstorm Warning	GLD	Wichita	44 min
Jun 20, 10:44 AM CDT	Severe Thunderstorm Warning	GLD	Rawlins	61 min
Jun 20, 10:53 AM CDT	Special Weather Statement	GLD	Wichita	52 min
Jun 20, 11:21 AM CDT	Severe Thunderstorm Warning	GLD	Gove	25 min
Jun 20, 12:47 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Graham, Sheridan	58 min
Jun 20, 12:56 PM CDT	Tornado Warning	GLD	Gove, Graham, Sheridan	52 min
Jun 20, 1:26 PM CDT	Tornado Warning	GLD	Decatur, Graham, Norton, Sheridan	64 min
Jun 20, 1:35 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	30 min
Jun 20, 1:43 PM CDT	Flash Flood Warning	GLD	Logan, Sherman, Thomas, Wallace	6 hr
Jun 20, 2:03 PM CDT	Tornado Warning	GLD	Graham, Norton	27 min
Jun 20, 2:09 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	51 min
Jun 20, 2:26 PM CDT	Tornado Warning	GLD	Norton	34 min
Jun 20, 2:57 PM CDT	Tornado Warning	GLD	Norton	18 min
Jun 20, 3:02 PM CDT	Flash Flood Warning	GLD	Gove, Sheridan, Thomas	6 hr
Jun 20, 3:29 PM CDT	Special Weather Statement	GLD	Logan	31 min
Jun 20, 4:10 PM CDT	Flash Flood Warning	GLD	Cheyenne, Rawlins, Sherman, Thomas	3 hr
Jun 20, 4:16 PM CDT	Special Weather Statement	GLD	Decatur	29 min
Jun 20, 4:21 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	35 min
Jun 20, 5:02 PM CDT	Tornado Warning	GLD	Sheridan	17 min
Jun 20, 5:18 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Sheridan	42 min
Jun 20, 5:27 PM CDT	Tornado Warning	GLD	Sheridan	63 min
Jun 20, 5:57 PM CDT	Tornado Warning	GLD	Decatur, Graham, Norton, Sheridan	1 min
Jun 20, 6:25 PM CDT	Tornado Warning	GLD	Decatur, Norton	65 min
Jun 20, 6:49 PM CDT	Tornado Warning	GLD	Decatur, Sheridan	56 min
Jun 20, 6:51 PM CDT	Flash Flood Warning	GLD	Decatur, Rawlins, Sheridan, Thomas	6 hr

Nearby

Tornado Warnings in Kansas, 2011 Every tornado warning in 2011 Tornadoes 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.