Alert archive / Kansas / Tornado Warnings in 2011

Tornado Warning 51, NWS Goodland, KS

August 9, 2011Decatur County, Rawlins County, Kansas

NWS Goodland, KS issued this tornado warning at Aug 9, 2011, 6:58 PM CDT for Decatur County, Rawlins County, Kansas. It was in force for 32 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
Aug 9, 2011, 6:58 PM CDT (23:58 UTC)
Expired
Aug 9, 2011, 7:30 PM CDT
In force
32 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon

Counties Decatur County, KS, Rawlins County, KS

The radar

The Goodland radar (KGLD), 96 km from the middle of the area, began a volume at 00:03 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
Aug 9, 7:15 PM CDTHAIL 110 W Oberlin, 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
Aug 9, 2:51 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 12.0 hours before the alert went out and 144 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 12:00Z on 2011-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 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 12:00Z on 2011-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
98 J/kg
Mixed-layer CIN
-357 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
68 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.

201 
WFUS53 KGLD 092358
TORGLD
KSC039-153-100030-
/O.NEW.KGLD.TO.W.0051.110809T2358Z-110810T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
658 PM CDT TUE AUG 9 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL DECATUR COUNTY IN NORTHWEST KANSAS...
  EAST CENTRAL RAWLINS COUNTY IN NORTHWEST KANSAS...

* UNTIL 730 PM CDT

* AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES NORTH OF LUDELL...AND WAS MOVING
  SOUTHEAST AT 25 MPH.

  IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
  LARGE DESTRUCTIVE HAIL UP TO BASEBALL SIZE.   

* LOCATIONS IMPACTED INCLUDE...
  HERNDON.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 60 AND 78.

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 3984 10055 3966 10072 3990 10102 3996 10095
TIME...MOT...LOC 2358Z 306DEG 20KT 3991 10093
HAIL 2.75IN
$$

THEDE
1 follow-up statement
673 
WWUS53 KGLD 100011
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
611 PM MDT TUE AUG 9 2011

KSC039-153-100030-
/O.CON.KGLD.TO.W.0051.000000T0000Z-110810T0030Z/
RAWLINS KS-DECATUR KS-
711 PM CDT TUE AUG 9 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL DECATUR AND
EAST CENTRAL RAWLINS COUNTIES UNTIL 730 PM CDT...

AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES EAST OF LUDELL...AND WAS MOVING SOUTHEAST
AT 35 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DESTRUCTIVE HAIL UP TO BASEBALL SIZE.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN RAWLINS AND WESTERN DECATUR COUNTIES.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 60 AND 78.

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 3984 10055 3966 10072 3990 10102 3996 10095
TIME...MOT...LOC 0011Z 316DEG 32KT 3980 10082
HAIL 2.75IN
$$

THEDE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 7:47 PM CDTSpecial Weather StatementGLDRawlins28 min
Aug 8, 7:48 PM CDTSpecial Weather StatementGLDGove27 min
Aug 8, 8:22 PM CDTSpecial Weather StatementGLDNorton68 min
Aug 8, 9:00 PM CDTSpecial Weather StatementGLDNorton60 min
Aug 9, 4:41 PM CDTSevere Thunderstorm WarningGLDDecatur, Norton64 min
Aug 9, 5:31 PM CDTSevere Thunderstorm WarningGLDGraham, Norton59 min
Aug 9, 6:12 PM CDTSevere Thunderstorm WarningGLDDecatur, Rawlins63 min
Aug 9, 6:26 PM CDTSevere Thunderstorm WarningGLDGraham, Norton64 min

Nearby

Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.