Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 310, NWS Goodland, KS

October 6, 2011Decatur County, Norton County, Sheridan County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Oct 6, 2011, 11:57 PM CDT for Decatur County, Norton County, Sheridan County, Kansas. It was in force for 40 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: Oct 6, 2011, 11:57 PM CDT (04:57 UTC)
Expired: Oct 7, 2011, 12:37 AM CDT
In force: 40 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Decatur County, KS, Norton County, KS, Sheridan County, KS

The radar

The Goodland radar (KGLD), 138 km from the middle of the area, began a volume at 04:58 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
Oct 6, 8:29 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.0 hours before the alert went out and 176 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: 1031 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1829 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 459 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

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

922 
WUUS53 KGLD 070457
SVRGLD
KSC039-137-179-070600-
/O.NEW.KGLD.SV.W.0310.111007T0457Z-111007T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
1157 PM CDT THU OCT 6 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DECATUR COUNTY IN NORTHWEST KANSAS...
  WESTERN NORTON COUNTY IN NORTHWEST KANSAS...
  NORTHEASTERN SHERIDAN COUNTY IN NORTHWEST KANSAS...

* UNTIL 100 AM CDT

* AT 1153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 6 MILES NORTHEAST OF
  HOXIE...AND WAS MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW ALMELO...CLAYTON AND REAGER.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 103 AND 110.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3970 9980 3957 10010 3957 10016 3953 10016
      3932 10036 3946 10051 3991 10003
TIME...MOT...LOC 0457Z 229DEG 42KT 3946 10032
WIND...HAIL 70MPH <.75IN
$$

STASSER

2 follow-up statements

612 
WWUS53 KGLD 070531
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1131 PM MDT THU OCT 6 2011

KSC039-137-179-070600-
/O.CON.KGLD.SV.W.0310.000000T0000Z-111007T0600Z/
SHERIDAN KS-NORTON KS-DECATUR KS-
1231 AM CDT FRI OCT 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
DECATUR...WESTERN NORTON AND NORTHEASTERN SHERIDAN COUNTIES UNTIL 100
AM CDT...

AT 1230 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED 8 MILES SOUTHEAST OF REAGER...AND WAS
MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL NORTON COUNTY.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 103 AND 111.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3970 9980 3957 10010 3957 10016 3953 10016
      3932 10036 3946 10051 3991 10003
TIME...MOT...LOC 0532Z 219DEG 54KT 3976 9999
WIND...HAIL 60MPH <.50IN
$$

STASSER

286 
WWUS53 KGLD 070537
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1137 PM MDT THU OCT 6 2011

KSC039-137-179-070548-
/O.CAN.KGLD.SV.W.0310.000000T0000Z-111007T0600Z/
SHERIDAN KS-NORTON KS-DECATUR KS-
1237 AM CDT FRI OCT 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DECATUR...WESTERN
NORTON AND NORTHEASTERN SHERIDAN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3970 9980 3957 10010 3957 10016 3953 10016
      3932 10036 3946 10051 3991 10003
TIME...MOT...LOC 0538Z 219DEG 54KT 3983 9992
$$

STASSER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 6, 7:55 PM CDT	Special Weather Statement	GLD	Greeley, Wallace	20 min
Oct 6, 8:11 PM CDT	Severe Thunderstorm Warning	GLD	Greeley, Logan, Wallace	34 min
Oct 6, 8:41 PM CDT	Tornado Warning	GLD	Logan, Sherman, Thomas, Wallace	34 min
Oct 6, 8:53 PM CDT	Tornado Warning	GLD	Greeley, Wichita	21 min
Oct 6, 9:01 PM CDT	Severe Thunderstorm Warning	GLD	Sherman, Wallace	29 min
Oct 6, 9:07 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins, Sherman, Thomas	23 min
Oct 6, 9:26 PM CDT	Tornado Warning	GLD	Rawlins, Thomas	34 min
Oct 6, 10:10 PM CDT	Severe Thunderstorm Warning	GLD	Logan, Wallace, Wichita	35 min
Oct 6, 10:39 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	36 min
Oct 6, 11:36 PM CDT	Severe Thunderstorm Warning	GLD	Sheridan	24 min
Oct 7, 12:54 AM CDT	Special Weather Statement	GLD	Norton	36 min
Oct 7, 4:02 PM CDT	Special Weather Statement	GLD	Norton	13 min
Oct 7, 5:25 PM CDT	Special Weather Statement	GLD	Norton	20 min
Oct 7, 6:22 PM CDT	Special Weather Statement	GLD	Norton	8 min
Oct 7, 6:41 PM CDT	Special Weather Statement	GLD	Norton	19 min
Oct 7, 6:48 PM CDT	Special Weather Statement	GLD	Gove	12 min
Oct 7, 6:51 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.