Alert archive / Nebraska / Tornado Warnings in 2011

Tornado Warning 43, NWS Goodland, KS

June 20, 2011Red Willow County, Nebraska; Decatur County, Kansas

NWS Goodland, KS issued this tornado warning at Jun 20, 2011, 7:10 PM CDT for Red Willow County, Nebraska; Decatur County, Kansas. It was in force for 65 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, 7:10 PM CDT (00:10 UTC)
Expired
Jun 20, 2011, 8:15 PM CDT
In force
65 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon

Counties Decatur County, KS, Red Willow County, NE

The radar

The Goodland radar (KGLD), 127 km from the middle of the area, began a volume at 00:12 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
Jun 20, 1:00 PM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 122 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 joules per kilogram.LCLLFCEL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 271 square meters per square second.193958Sfc1 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
109 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
271 m²/s²
0-3 km storm-relative helicity
471 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

906 
WFUS53 KGLD 210010
TORGLD
KSC039-NEC145-210115-
/O.NEW.KGLD.TO.W.0043.110621T0010Z-110621T0115Z/

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

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN DECATUR COUNTY IN NORTHWEST KANSAS...
  RED WILLOW COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 815 PM CDT

* AT 707 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 HOLBROOK
  TO KANONA...AND WAS MOVING NORTHWEST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OBERLIN...LEBANON...DANBURY...TRAER...CEDAR BLUFFS...BARTLEY...
  INDIANOLA AND MCCOOK.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 86 AND 110.

THIS INCLUDES HIGHWAY 36 IN KANSAS BETWEEN MILE MARKERS 78 AND 93.

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 3995 10018 3967 10042 3998 10074 4000 10074
      4001 10076 4008 10076 4036 10051 4035 10020
TIME...MOT...LOC 0009Z 153DEG 17KT 4025 10004 3983 10042
HAIL 1.00IN
$$

050
2 follow-up statements
880 
WWUS53 KGLD 210030
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
730 PM CDT MON JUN 20 2011

KSC039-NEC145-210115-
/O.CON.KGLD.TO.W.0043.000000T0000Z-110621T0115Z/
DECATUR KS-RED WILLOW NE-
730 PM CDT MON JUN 20 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR RED WILLOW AND
NORTHEASTERN DECATUR COUNTIES UNTIL 815 PM CDT...

AT 729 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 CAMBRIDGE
TO OBERLIN...AND WAS MOVING SOUTHWEST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  OBERLIN...DANBURY...BARTLEY...INDIANOLA...CEDAR BLUFFS...TRAER AND
  MCCOOK.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 86 AND 110.

THIS INCLUDES HIGHWAY 36 IN KANSAS BETWEEN MILE MARKERS 78 AND 93.

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 3995 10018 3967 10042 3998 10074 4000 10074
      4001 10076 4008 10076 4036 10051 4035 10020
TIME...MOT...LOC 0030Z 056DEG 25KT 4030 10013 3988 10050
HAIL 1.00IN
$$

050
955 
WWUS53 KGLD 210048
SVSGLD

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

KSC039-NEC145-210115-
/O.CON.KGLD.TO.W.0043.000000T0000Z-110621T0115Z/
DECATUR KS-RED WILLOW NE-
748 PM CDT MON JUN 20 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN RED WILLOW AND
NORTH CENTRAL DECATUR COUNTIES UNTIL 815 PM CDT...

AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES SOUTH OF CAMBRIDGE...AND WAS MOVING
SOUTHWEST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  BARTLEY...LEBANON AND DANBURY.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 101 AND 110.

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 3990 10040 4012 10059 4035 10020 4002 10018
TIME...MOT...LOC 0048Z 056DEG 25KT 4016 10016
HAIL 1.00IN
$$

050

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:02 PM CDTAreal Flood WarningGLDDundy, Hitchcock10 hr
Jun 20, 8:15 PM CDTSevere Thunderstorm WarningGLDRed Willow21 min
Jun 20, 8:41 PM CDTSpecial Weather StatementGLDRed Willow34 min
Jun 21, 12:50 AM CDTAreal Flood WarningGLDHitchcock, Red Willow4 hr
Jun 21, 3:47 AM CDTWind AdvisoryGLDDundy, Hitchcock, Red Willow15 hr
Jun 20, 7:36 PM CDTTornado WarningGLDDecatur, Sheridan14 min
Jun 20, 8:16 PM CDTSpecial Weather StatementGLDDecatur, Sheridan29 min
Jun 20, 9:01 PM CDTAreal Flood WarningGLDGove, Logan, Sheridan, Thomas8 hr

Nearby

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