Alert archive / Colorado / Tornado Warnings in 2011

Tornado Warning 3, NWS Goodland, KS

May 11, 2011Kit Carson County, Colorado

NWS Goodland, KS issued this tornado warning at May 11, 2011, 3:02 PM MDT for Kit Carson County, Colorado. It was in force for 31 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: May 11, 2011, 3:02 PM MDT (21:02 UTC)
Expired: May 11, 2011, 3:33 PM MDT
In force: 31 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 116 km from the middle of the area, began a volume at 21:05 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 12:00Z, 9.0 hours before the alert went out and 52 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: 629 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 583 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.

100 
WFUS53 KGLD 112102
TORGLD
COC063-112145-
/O.NEW.KGLD.TO.W.0003.110511T2102Z-110511T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
302 PM MDT WED MAY 11 2011

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 345 PM MDT

* AT 301 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR SEIBERT. A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR
  SHOWED THIS TORNADIC STORM MOVING NORTHWEST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SEIBERT AND FLAGLER.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 395 AND 408.

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 3947 10316 3951 10316 3957 10297 3957 10295
      3922 10277 3914 10298 3938 10317 3946 10316
TIME...MOT...LOC 2102Z 154DEG 14KT 3926 10293
HAIL 1.25IN
$$

LOCKHART

1 follow-up statement

727 
WWUS53 KGLD 112133
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
333 PM MDT WED MAY 11 2011

COC063-112143-
/O.CAN.KGLD.TO.W.0003.000000T0000Z-110511T2145Z/
KIT CARSON CO-
333 PM MDT WED MAY 11 2011

...THE TORNADO WARNING FOR NORTHWESTERN KIT CARSON COUNTY IS
CANCELLED...

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

LAT...LON 3947 10316 3951 10316 3957 10297 3957 10295
      3922 10277 3914 10298 3938 10317 3946 10316
TIME...MOT...LOC 2133Z 181DEG 19KT 3938 10288
$$

LOCKHART

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:32 PM MDT	Special Weather Statement	GLD	Yuma	43 min
May 10, 7:33 PM MDT	Special Weather Statement	GLD	Yuma	42 min
May 11, 3:36 PM MDT	Tornado Warning	GLD	Kit Carson	39 min
May 11, 4:17 PM MDT	Tornado Warning	GLD	Kit Carson	43 min
May 11, 4:40 PM MDT	Special Weather Statement	GLD	Kit Carson	2 hr
May 11, 4:41 PM MDT	Tornado Warning	GLD	Kit Carson	37 min
May 11, 4:46 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	59 min
May 11, 4:56 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	18 min
May 11, 5:28 PM MDT	Tornado Warning	GLD	Yuma	10 min

Nearby

Tornado Warnings in Colorado, 2011 Every tornado warning in 2011 Tornadoes 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.