Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Goodland, KS

April 12, 2012Cheyenne County, Rawlins County, Kansas; Dundy County, Hitchcock County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Apr 12, 2012, 6:39 PM CDT for Cheyenne County, Rawlins County, Kansas; Dundy County, Hitchcock County, Nebraska. It was in force for 66 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: Apr 12, 2012, 6:39 PM CDT (23:39 UTC)
Expired: Apr 12, 2012, 7:45 PM CDT
In force: 66 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cheyenne County, KS, Rawlins County, KS, Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 23:41 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
Apr 12, 1:47 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.7 hours before the alert went out and 131 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 130 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.

512 
WUUS53 KGLD 122339
SVRGLD
KSC023-153-NEC057-087-130045-
/O.NEW.KGLD.SV.W.0002.120412T2339Z-120413T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
639 PM CDT THU APR 12 2012

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHEYENNE COUNTY IN NORTHWEST KANSAS...
  NORTHWESTERN RAWLINS COUNTY IN NORTHWEST KANSAS...
  SOUTHEASTERN DUNDY COUNTY IN SOUTHWEST NEBRASKA...
  SOUTHWESTERN HITCHCOCK COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 745 PM CDT/645 PM MDT/

* AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES NORTHWEST OF BEARDSLEY...AND WAS MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  STRATTON NE.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 44 AND 54.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

&&

LAT...LON 4022 10126 4014 10098 3982 10127 3989 10148
TIME...MOT...LOC 2339Z 204DEG 21KT 3994 10133
WIND...HAIL 60MPH 1.00IN
$$

LOCKHART

2 follow-up statements

431 
WWUS53 KGLD 122351
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
551 PM MDT THU APR 12 2012

KSC023-NEC057-130001-
/O.CAN.KGLD.SV.W.0002.000000T0000Z-120413T0045Z/
CHEYENNE KS-DUNDY NE-
551 PM MDT THU APR 12 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DUNDY AND
NORTHEASTERN CHEYENNE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4015 10103 4014 10098 3994 10117 3999 10134
      4001 10134 4001 10132 4003 10133 4022 10126
TIME...MOT...LOC 2351Z 204DEG 21KT 4000 10129
$$

KSC153-NEC087-130045-
/O.CON.KGLD.SV.W.0002.000000T0000Z-120413T0045Z/
RAWLINS KS-HITCHCOCK NE-
651 PM CDT THU APR 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
HITCHCOCK AND NORTH CENTRAL RAWLINS COUNTIES UNTIL 745 PM CDT...

AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
SOUTHEAST OF MAX...AND WAS MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  STRATTON NE.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 46 AND 54.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

&&

LAT...LON 4015 10103 4014 10098 3994 10117 3999 10134
      4001 10134 4001 10132 4003 10133 4022 10126
TIME...MOT...LOC 2351Z 204DEG 21KT 4000 10129
WIND...HAIL 60MPH 1.00IN
$$

LOCKHART

844 
WWUS53 KGLD 130013
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
613 PM MDT THU APR 12 2012

KSC153-130023-
/O.CAN.KGLD.SV.W.0002.000000T0000Z-120413T0045Z/
RAWLINS KS-
713 PM CDT THU APR 12 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL RAWLINS COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4007 10129 4021 10123 4015 10103 4014 10098
      4001 10110
TIME...MOT...LOC 0013Z 226DEG 19KT 4007 10114
$$

NEC087-130045-
/O.CON.KGLD.SV.W.0002.000000T0000Z-120413T0045Z/
HITCHCOCK NE-
713 PM CDT THU APR 12 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
HITCHCOCK COUNTY UNTIL 745 PM CDT...

AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
SOUTHEAST OF STRATTON NE...AND WAS MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  STRATTON NE.

THIS INCLUDES HIGHWAY 34 BETWEEN MILE MARKERS 48 AND 53.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

&&

LAT...LON 4007 10129 4021 10123 4015 10103 4014 10098
      4001 10110
TIME...MOT...LOC 0013Z 226DEG 19KT 4007 10114
WIND...HAIL 60MPH 1.00IN
$$

LOCKHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 6:27 PM CDT	Special Weather Statement	GLD	Rawlins	33 min
Apr 12, 6:45 PM CDT	Special Weather Statement	GLD	Rawlins	30 min
Apr 12, 6:53 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	28 min
Apr 12, 5:57 PM CDT	Special Weather Statement	GLD	Hitchcock	33 min
Apr 12, 6:17 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock	43 min
Apr 12, 6:30 PM CDT	Tornado Warning	GLD	Hitchcock	45 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012 Severe Thunderstorm Warnings in Nebraska, 2012 Every 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.