Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 1, NWS Pueblo, CO

April 11, 2012Baca County, Las Animas County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 11, 2012, 5:01 PM MDT for Baca County, Las Animas County, Colorado. It was in force for 44 min. 1 report 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
Apr 11, 2012, 5:01 PM MDT (23:01 UTC)
Expired
Apr 11, 2012, 5:45 PM MDT
In force
44 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

Counties Baca County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 146 km from the middle of the area, began a volume at 23:02 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
Apr 11, 5:31 PM MDTFUNNEL CLOUD4 Nw Kim, COCONDENSATION FUNNEL 3/4 WAY TO GROUND. HAS LIFTED.

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
Apr 11, 2:11 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.0 hours before the alert went out and 276 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, Amarillo Airport, TX at 12:00Z on 2012-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 676 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, Amarillo Airport, TX at 12:00Z on 2012-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.193958Sfc1 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
676 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1126 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

919 
WFUS55 KPUB 112301
TORPUB
COC009-071-112345-
/O.NEW.KPUB.TO.W.0001.120411T2301Z-120411T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
501 PM MDT WED APR 11 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL BACA COUNTY IN SOUTHEAST COLORADO...
  EAST CENTRAL LAS ANIMAS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 545 PM MDT

* AT 457 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR KIM...OR 39 MILES WEST OF SPRINGFIELD...AND
  MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN LAS ANIMAS AND WESTERN BACA COUNTIES.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3757 10331 3735 10292 3714 10326 3723 10343
TIME...MOT...LOC 2301Z 201DEG 20KT 3725 10328

$$

KAM
4 follow-up statements
002 
WWUS55 KPUB 112317
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
517 PM MDT WED APR 11 2012

COC009-071-112345-
/O.CON.KPUB.TO.W.0001.000000T0000Z-120411T2345Z/
BACA CO-LAS ANIMAS CO-
517 PM MDT WED APR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL LAS ANIMAS
AND WEST CENTRAL BACA COUNTIES UNTIL 545 PM MDT...

AT 515 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHEAST OF KIM...OR 35 MILES WEST OF 
SPRINGFIELD...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN LAS ANIMAS AND WESTERN BACA COUNTIES.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3722 10322 3729 10339 3757 10331 3737 10295
TIME...MOT...LOC 2317Z 213DEG 17KT 3732 10323

$$
673 
WWUS55 KPUB 112335
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
535 PM MDT WED APR 11 2012

COC009-071-112345-
/O.CON.KPUB.TO.W.0001.000000T0000Z-120411T2345Z/
BACA CO-LAS ANIMAS CO-
535 PM MDT WED APR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL LAS ANIMAS
AND WEST CENTRAL BACA COUNTIES UNTIL 545 PM MDT...

AT 533 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 13 MILES NORTHEAST OF KIM...OR 31 MILES WEST OF
SPRINGFIELD...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN LAS ANIMAS AND WESTERN BACA
  COUNTIES.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3722 10322 3729 10339 3746 10333 3737 10295
TIME...MOT...LOC 2335Z 213DEG 17KT 3739 10317

$$

KAM
057 
WWUS55 KPUB 112341
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
541 PM MDT WED APR 11 2012

COC009-071-112345-
/O.CON.KPUB.TO.W.0001.000000T0000Z-120411T2345Z/
BACA CO-LAS ANIMAS CO-
541 PM MDT WED APR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL LAS ANIMAS
AND WEST CENTRAL BACA COUNTIES UNTIL 545 PM MDT...

AT 537 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 
THIS TORNADO WAS LOCATED 15 MILES NORTHEAST OF KIM...OR 30 MILES WEST
OF SPRINGFIELD...MOVING NORTHEAST AT 20 MPH.  AT 531 PM A STORM 
CHASER REPORTED A FUNNEL CLOUD 4 MILES NORTHWEST OF KIM.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN LAS ANIMAS AND WESTERN BACA
  COUNTIES.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3722 10322 3729 10339 3746 10333 3737 10295
TIME...MOT...LOC 2340Z 213DEG 17KT 3741 10315

$$
486 
WWUS55 KPUB 112343
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
543 PM MDT WED APR 11 2012

COC009-071-112353-
/O.EXP.KPUB.TO.W.0001.000000T0000Z-120411T2345Z/
BACA CO-LAS ANIMAS CO-
543 PM MDT WED APR 11 2012

...THE TORNADO WARNING FOR EAST CENTRAL LAS ANIMAS AND WEST CENTRAL
BACA COUNTIES WILL EXPIRE AT 545 PM MDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA...HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT WEDNESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3722 10322 3729 10339 3746 10333 3737 10295
TIME...MOT...LOC 2343Z 213DEG 17KT 3742 10314

$$

KAM

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 2:31 PM MDTSevere Thunderstorm WarningPUBLas Animas37 min
Apr 11, 2:47 PM MDTFire Weather WatchPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache24 hr
Apr 11, 2:47 PM MDTRed Flag WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more29 hr
Apr 11, 3:23 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero, Pueblo32 min
Apr 11, 3:50 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas, Otero40 min
Apr 11, 4:27 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas, Otero48 min
Apr 11, 5:13 PM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas47 min
Apr 11, 5:59 PM MDTSevere Thunderstorm WarningPUBBaca, Las Animas25 min

Nearby

Tornado Warnings in Colorado, 2012Every tornado warning in 2012Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.