Alert archive / Kansas / Tornado Warnings in 2017

Tornado Warning 35, NWS Goodland, KS

October 1, 2017Graham County, Norton County, Sheridan County, Kansas

NWS Goodland, KS issued this tornado warning at Oct 1, 2017, 5:43 PM CDT for Graham County, Norton County, Sheridan County, Kansas. It was in force for 32 min. 2 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
Oct 1, 2017, 5:43 PM CDT (22:43 UTC)
Expired
Oct 1, 2017, 6:15 PM CDT
In force
32 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.5 in

Counties Graham County, KS, Norton County, KS, Sheridan County, KS

The radar

The Goodland radar (KGLD), 135 km from the middle of the area, began a volume at 22:46 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
Oct 1, 5:53 PM CDTTORNADO1 N Studley, KSBRIEF WEAK TORNADO
Oct 1, 5:56 PM CDTHAIL 2.512 E Hoxie, KS2.5 INCH HAIL WAS REPORTED VIA SOCIAL MEDIA, INCLUDED PICTURE.

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
Oct 1, 3:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 187 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 2017-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 280 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 2017-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
280 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
1058 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

374 
WFUS53 KGLD 012243
TORGLD
KSC065-137-179-012315-
/O.NEW.KGLD.TO.W.0035.171001T2243Z-171001T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
543 PM CDT SUN OCT 1 2017

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  Southwestern Norton County in northwestern Kansas...
  Northeastern Sheridan County in northwestern Kansas...
  Northwestern Graham County in northwestern Kansas...

* Until 615 PM CDT
    
* At 543 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles east of Hoxie, moving northeast at 30 mph.

  HAZARD...Tornado and tennis ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Morland, New Almelo, Studley and Tasco. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3941 9985 3928 10030 3941 10041 3957 10021
      3957 10018 3959 10018 3968 10007
TIME...MOT...LOC 2243Z 234DEG 26KT 3940 10029 

TORNADO...RADAR INDICATED
HAIL...2.50IN

$$

EV
1 follow-up statement
373 
WWUS53 KGLD 012301
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
601 PM CDT SUN OCT 1 2017

KSC065-137-179-012315-
/O.CON.KGLD.TO.W.0035.000000T0000Z-171001T2315Z/
Norton KS-Sheridan KS-Graham KS-
601 PM CDT SUN OCT 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
SOUTHWESTERN NORTON...NORTHEASTERN SHERIDAN AND NORTHWESTERN GRAHAM
COUNTIES...
    
At 600 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northwest of Morland, or 17 miles northeast of
Hoxie, moving northeast at 30 mph.

HAZARD...Tornado and three inch hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Morland and New Almelo. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3941 9985 3933 10014 3955 10024 3957 10021
      3957 10018 3959 10018 3968 10007
TIME...MOT...LOC 2300Z 234DEG 26KT 3948 10016 

TORNADO...RADAR INDICATED
HAIL...3.00IN

$$

EV

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 4:15 PM CDTSevere Thunderstorm WarningGLDGraham, Sheridan45 min
Oct 1, 4:26 PM CDTSevere Thunderstorm WarningGLDLogan, Sheridan, Thomas49 min
Oct 1, 4:56 PM CDTSevere Thunderstorm WarningGLDDecatur, Graham, Sheridan, Thomas49 min
Oct 1, 5:54 PM CDTSevere Thunderstorm WarningGLDGraham, Norton66 min
Oct 1, 6:12 PM CDTTornado WarningGLDGraham, Norton33 min
Oct 1, 6:44 PM CDTSevere Thunderstorm WarningGLDGraham, Norton31 min

Nearby

Tornado Warnings in Kansas, 2017Every tornado warning in 2017Tornadoes in 2017

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.