Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 4, NWS Pueblo, CO

April 27, 2012Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 27, 2012, 1:25 AM MDT for Bent County, Prowers County, Colorado. It was in force for 50 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 27, 2012, 1:25 AM MDT (07:25 UTC)
Expired
Apr 27, 2012, 2:15 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), 144 km from the middle of the area, began a volume at 07:27 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

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, 7.4 hours before the alert went out and 224 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.

460 
WFUS55 KPUB 270725
TORPUB
COC011-099-270815-
/O.NEW.KPUB.TO.W.0004.120427T0725Z-120427T0815Z/

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

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BENT COUNTY IN SOUTHEAST COLORADO...
  SOUTHWESTERN PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 215 AM MDT

* AT 122 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 20 MILES NORTHWEST OF TWO BUTTES...OR 22 MILES
  NORTH OF SPRINGFIELD...AND MOVING NORTH AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN BENT AND WESTERN PROWERS 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM MDT FRIDAY
MORNING FOR SOUTHEAST COLORADO.

LAT...LON 3807 10281 3801 10241 3767 10262 3769 10284
TIME...MOT...LOC 0725Z 192DEG 38KT 3775 10270

$$
2 follow-up statements
491 
WWUS55 KPUB 270734
SVSPUB

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

COC011-099-270815-
/O.CON.KPUB.TO.W.0004.000000T0000Z-120427T0815Z/
BENT CO-PROWERS CO-
134 AM MDT FRI APR 27 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL PROWERS AND
EAST CENTRAL BENT COUNTIES UNTIL 215 AM MDT...

AT 131 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 19 MILES SOUTH OF LAMAR...MOVING NORTHEAST AT 55
MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN BENT AND WESTERN PROWERS 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.

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 3774 10260 3777 10278 3807 10281 3801 10241
TIME...MOT...LOC 0733Z 209DEG 47KT 3783 10265

$$
921 
WWUS55 KPUB 270744
SVSPUB

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

COC011-099-270815-
/O.CON.KPUB.TO.W.0004.000000T0000Z-120427T0815Z/
BENT CO-PROWERS CO-
144 AM MDT FRI APR 27 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL PROWERS AND
EAST CENTRAL BENT COUNTIES UNTIL 215 AM MDT...

AT 140 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 13 MILES SOUTH OF LAMAR...MOVING NORTH AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN BENT AND WESTERN PROWERS 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.

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 3779 10260 3784 10273 3807 10281 3801 10241
TIME...MOT...LOC 0744Z 197DEG 41KT 3794 10266

$$

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, 1:44 AM MDTTornado WarningPUBBent, Kiowa, Prowers19 min
Apr 27, 1:55 AM MDTTornado WarningPUBBent, Prowers50 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.