Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 166, NWS Goodland, KS

September 30, 2012Cheyenne County, Sherman County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Sep 30, 2012, 8:21 PM CDT for Cheyenne County, Sherman County, Kansas. It was in force for 39 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
Sep 30, 2012, 8:21 PM CDT (01:21 UTC)
Expired
Sep 30, 2012, 9:00 PM CDT
In force
39 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Cheyenne County, KS, Sherman County, KS

The radar

The Goodland radar (KGLD), 6 km from the middle of the area, began a volume at 01:23 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 nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.4 hours before the alert went out and 148 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, Denver, CO at 00:00Z on 2012-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2012-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
13 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2821 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
79 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.

700 
WUUS53 KGLD 010121
SVRGLD
KSC023-181-010200-
/O.NEW.KGLD.SV.W.0166.121001T0121Z-121001T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
721 PM MDT SUN SEP 30 2012

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHEYENNE COUNTY IN NORTHWEST KANSAS...
  SHERMAN COUNTY IN NORTHWEST KANSAS...

* UNTIL 800 PM MDT/900 PM CDT/

* AT 718 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 14 MILES SOUTH OF
  WHEELER...AND WAS MOVING SOUTH AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EDSON...GOODLAND AND RULETON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 5 AND 34.

THIS INCLUDES HIGHWAY 27 BETWEEN MILE MARKERS 158 AND 195.

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.

THIS THUNDERSTORM WILL PRODUCE DAMAGING WINDS RESULTING IN AREAS OF
NEAR ZERO VISIBILITY IN BLOWING DIRT. USE EXTREME CAUTION IF YOU MUST
TRAVEL AND BE ALERT FOR RAPIDLY CHANGING VISIBILITY.

&&

LAT...LON 3915 10140 3914 10200 3969 10192 3969 10142
TIME...MOT...LOC 0121Z 019DEG 26KT 3954 10168
WIND...HAIL 70MPH <1.00IN
$$

024
2 follow-up statements
663 
WWUS53 KGLD 010140
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
740 PM MDT SUN SEP 30 2012

KSC023-181-010200-
/O.CON.KGLD.SV.W.0166.000000T0000Z-121001T0200Z/
SHERMAN KS-CHEYENNE KS-
740 PM MDT SUN SEP 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
CHEYENNE AND SHERMAN COUNTIES UNTIL 800 PM MDT/900 PM CDT/...

AT 737 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THIS STORM WAS LOCATED 9 MILES NORTHEAST OF GOODLAND...AND
WAS MOVING SOUTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  EDSON...GOODLAND AND RULETON.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 4 AND 34.

THIS INCLUDES HIGHWAY 27 BETWEEN MILE MARKERS 158 AND 194.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM WILL PRODUCE DAMAGING WINDS RESULTING IN AREAS OF
NEAR ZERO VISIBILITY IN BLOWING DIRT. USE EXTREME CAUTION IF YOU MUST
TRAVEL AND BE ALERT FOR RAPIDLY CHANGING VISIBILITY.

&&

LAT...LON 3915 10140 3914 10200 3969 10192 3969 10142
TIME...MOT...LOC 0141Z 019DEG 26KT 3943 10162
WIND...HAIL 70MPH <1.00IN
$$

024
557 
WWUS53 KGLD 010158
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
758 PM MDT SUN SEP 30 2012

KSC023-181-010208-
/O.EXP.KGLD.SV.W.0166.000000T0000Z-121001T0200Z/
SHERMAN KS-CHEYENNE KS-
758 PM MDT SUN SEP 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CHEYENNE AND SHERMAN
COUNTIES WILL EXPIRE AT 800 PM MDT/900 PM CDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 3915 10140 3914 10200 3969 10192 3969 10142
TIME...MOT...LOC 0158Z 019DEG 26KT 3931 10167
$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 8:11 PM CDTSpecial Weather StatementGLDCheyenne, Sherman34 min
Sep 30, 9:30 PM CDTSpecial Weather StatementGLDNorton30 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012Every severe thunderstorm warning in 2012

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.