Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 6, NWS Pueblo, CO

April 27, 2012Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 27, 2012, 1:55 AM MDT for Bent County, Prowers County, Colorado. It was in force for 50 min. 3 reports 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 27, 2012, 1:55 AM MDT (07:55 UTC)
Expired
Apr 27, 2012, 2:45 AM MDT
In force
50 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

Counties Bent County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 137 km from the middle of the area, began a volume at 07:58 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.

What was reported inside it

TimeReportWhereRemark
Apr 27, 1:55 AM MDTFUNNEL CLOUD3 S Lamar, CO
Apr 27, 1:58 AM MDTTORNADO3 Se Lamar, CODAMAGE TO AN ELECTRICAL SUBSTATION ALONG COUNTY ROAD EE. TIME APPROXIMATE.
Apr 27, 2:40 AM MDTTORNADO10 Ne Lamar, COPUBLIC REPORT VIA PROWERS COUNTY COMMS...TIME APPROXIMATE

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 26, 9:00 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 7.9 hours before the alert went out and 199 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 2012-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 95 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 2012-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 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
95 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
2538 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
175 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.

483 
WFUS55 KPUB 270755
TORPUB
COC011-099-270845-
/O.NEW.KPUB.TO.W.0006.120427T0755Z-120427T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
155 AM MDT FRI APR 27 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BENT COUNTY IN SOUTHEAST COLORADO...
  NORTHWESTERN PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 245 AM MDT

* AT 149 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES SOUTH OF LAMAR...AND MOVING NORTH AT 35
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAMAR AND WILEY.

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.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

THIS WARNING REPLACES THE PREVIOUS WARNING THAT WAS IN EFFECT.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3827 10279 3826 10243 3792 10256 3795 10277
TIME...MOT...LOC 0753Z 186DEG 32KT 3801 10267

$$
2 follow-up statements
861 
WWUS55 KPUB 270804
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
204 AM MDT FRI APR 27 2012

COC011-099-270845-
/O.CON.KPUB.TO.W.0006.000000T0000Z-120427T0845Z/
BENT CO-PROWERS CO-
204 AM MDT FRI APR 27 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN PROWERS AND
EXTREME NORTHEASTERN BENT COUNTIES UNTIL 245 AM MDT...

AT 158 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LAMAR...MOVING NORTH AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  LAMAR AND AREAS ALONG AND NEAR HIGHWAY 50 FROM LAMAR TO GRANADA.

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.

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3801 10268 3827 10279 3826 10243 3800 10253
TIME...MOT...LOC 0803Z 186DEG 32KT 3809 10258

$$
181 
WWUS55 KPUB 270816
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
216 AM MDT FRI APR 27 2012

COC011-270825-
/O.CAN.KPUB.TO.W.0006.000000T0000Z-120427T0845Z/
BENT CO-
216 AM MDT FRI APR 27 2012

...THE TORNADO WARNING FOR EXTREME NORTHEASTERN BENT COUNTY IS
CANCELLED...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3812 10248 3812 10249 3811 10260 3823 10274
      3826 10275 3827 10274 3826 10243
TIME...MOT...LOC 0815Z 186DEG 32KT 3819 10253

$$

COC099-270845-
/O.CON.KPUB.TO.W.0006.000000T0000Z-120427T0845Z/
PROWERS CO-
216 AM MDT FRI APR 27 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN PROWERS
COUNTY UNTIL 245 AM MDT...

AT 212 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTHEAST OF LAMAR...MOVING NORTH AT 35
MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN PROWERS COUNTY.

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.

TORNADOES ARE DIFFICULT TO SEE AT NIGHT. TAKE COVER NOW.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3812 10248 3812 10249 3811 10260 3823 10274
      3826 10275 3827 10274 3826 10243
TIME...MOT...LOC 0815Z 186DEG 32KT 3819 10253

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 6:04 PM MDTSevere Thunderstorm WarningPUBBaca41 min
Apr 26, 6:36 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers24 min
Apr 26, 6:56 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers49 min
Apr 26, 7:30 PM MDTSevere Thunderstorm WarningPUBKiowa, Prowers30 min
Apr 26, 10:46 PM MDTSevere Thunderstorm WarningPUBBaca22 min
Apr 27, 12:22 AM MDTSevere Thunderstorm WarningPUBBaca, Bent, Las Animas, Otero53 min
Apr 27, 12:46 AM MDTTornado WarningPUBBaca26 min
Apr 27, 1:09 AM MDTSevere Thunderstorm WarningPUBBaca, Bent, Prowers51 min
Apr 27, 1:25 AM MDTTornado WarningPUBBent, Prowers50 min
Apr 27, 1:44 AM MDTTornado WarningPUBBent, Kiowa, Prowers19 min
Apr 27, 2:21 AM MDTTornado WarningPUBKiowa, Prowers39 min
Apr 27, 2:43 AM MDTTornado WarningPUBKiowa, Prowers32 min
Apr 27, 2:56 AM MDTTornado WarningPUBKiowa13 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.