Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 9, NWS Pueblo, CO

April 27, 2012Kiowa County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 27, 2012, 2:56 AM MDT for Kiowa County, Colorado. It was in force for 13 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 27, 2012, 2:56 AM MDT (08:56 UTC)
Expired
Apr 27, 2012, 3:09 AM MDT
In force
13 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

County Kiowa County, CO

The radar

The Goodland radar (KGLD), 126 km from the middle of the area, began a volume at 08:57 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.

IssuedProductOfficeLasted
Apr 26, 9:00 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 8.9 hours before the alert went out and 174 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°0°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.

062 
WFUS55 KPUB 270856
TORPUB
COC061-270930-
/O.NEW.KPUB.TO.W.0009.120427T0856Z-120427T0930Z/

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

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL KIOWA COUNTY IN SOUTHEAST COLORADO...

* UNTIL 330 AM MDT

* AT 250 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A CONFIRMED TORNADO 9 MILES SOUTH OF CHIVINGTON...OR 18 MILES
  NORTHEAST OF LAMAR. DOPPLER RADAR SHOWED THIS TORNADO MOVING NORTH
  AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHIVINGTON AND BRANDON.

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.

&&

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

LAT...LON 3851 10258 3848 10232 3828 10240 3829 10255
TIME...MOT...LOC 0854Z 180DEG 32KT 3836 10248

$$
SR
1 follow-up statement
572 
WWUS55 KPUB 270909
SVSPUB

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

COC061-270919-
/O.CAN.KPUB.TO.W.0009.000000T0000Z-120427T0930Z/
KIOWA CO-
309 AM MDT FRI APR 27 2012

...THE TORNADO WARNING FOR CENTRAL KIOWA 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 3851 10258 3848 10232 3828 10240 3829 10255
TIME...MOT...LOC 0909Z 180DEG 32KT 3849 10248

$$

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, 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

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.