Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 10, NWS Pueblo, CO

May 13, 2012Custer County, Colorado

NWS Pueblo, CO issued this tornado warning at May 13, 2012, 3:00 PM MDT for Custer County, Colorado. It was in force for 22 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
May 13, 2012, 3:00 PM MDT (21:00 UTC)
Expired
May 13, 2012, 3:22 PM MDT
In force
22 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

County Custer County, CO

The radar

The Pueblo radar (KPUX), 123 km from the middle of the area, began a volume at 21:01 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
May 13, 3:15 PM MDTHAIL 1Westcliffe, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.0 hours before the alert went out and 280 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 12:00Z on 2012-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2012-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
684 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

465 
WFUS55 KPUB 132100
TORPUB
COC027-132145-
/O.NEW.KPUB.TO.W.0010.120513T2100Z-120513T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
300 PM MDT SUN MAY 13 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 345 PM MDT

* AT 257 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 CRESTONE...OR 48 MILES
  NORTHEAST OF ALAMOSA.  THE TORNADIC STORM WAS NEARLY STATIONARY.

* LOCATIONS IMPACTED INCLUDE...
  WESTCLIFFE...SILVER CLIFF AND ROSITA.

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 3802 10560 3803 10561 3821 10561 3821 10531
      3800 10532
TIME...MOT...LOC 2100Z 180DEG 0KT 3810 10550

$$
SR
2 follow-up statements
564 
WWUS55 KPUB 132111
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
311 PM MDT SUN MAY 13 2012

COC027-132145-
/O.CON.KPUB.TO.W.0010.000000T0000Z-120513T2145Z/
CUSTER CO-
311 PM MDT SUN MAY 13 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CUSTER COUNTY
UNTIL 345 PM MDT...

AT 309 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 CRESTONE...OR 48 MILES
NORTHEAST OF ALAMOSA. MOVEMENT WAS NEARLY STATIONARY.

LOCATIONS IMPACTED INCLUDE...
  ROSITA...WESTCLIFFE AND SILVER CLIFF.

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 3802 10560 3803 10561 3821 10561 3821 10531
      3800 10532
TIME...MOT...LOC 2111Z 180DEG 0KT 3810 10550

$$
SR
624 
WWUS55 KPUB 132122
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
322 PM MDT SUN MAY 13 2012

COC027-132132-
/O.CAN.KPUB.TO.W.0010.000000T0000Z-120513T2145Z/
CUSTER CO-
322 PM MDT SUN MAY 13 2012

...THE TORNADO WARNING FOR CENTRAL CUSTER COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3802 10560 3803 10561 3821 10561 3821 10531
      3800 10532
TIME...MOT...LOC 2122Z 180DEG 0KT 3810 10550

$$
SR

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 1:21 PM MDTSevere Thunderstorm WarningPUBTeller33 min
May 13, 2:57 PM MDTSevere Thunderstorm WarningPUBCuster25 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.