Alert archive / Colorado / Tornado Warnings in 2012

Tornado Warning 23, NWS Pueblo, CO

August 23, 2012Kiowa County, Colorado

NWS Pueblo, CO issued this tornado warning at Aug 23, 2012, 5:35 PM MDT for Kiowa County, Colorado. It was in force for 10 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
Aug 23, 2012, 5:35 PM MDT (23:35 UTC)
Expired
Aug 23, 2012, 5:45 PM MDT
In force
10 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

County Kiowa County, CO

The radar

The Goodland radar (KGLD), 101 km from the middle of the area, began a volume at 23:35 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
Aug 23, 5:36 PM MDTTORNADO4 E Sheridan Lake, COROPE TORNADO ON THE GROUND FOR THE PAST 3 MINUTES

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

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.6 hours before the alert went out and 171 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 2012-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Denver, CO at 12:00Z on 2012-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1552 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
24 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.

339 
WFUS55 KPUB 232335
TORPUB
COC061-232345-
/O.NEW.KPUB.TO.W.0023.120823T2335Z-120823T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
535 PM MDT THU AUG 23 2012

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 545 PM MDT

* AT 533 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  SHERIDAN LAKE...OR 35 MILES NORTHEAST OF LAMAR. DOPPLER RADAR
  SHOWED THIS TORNADO MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN KIOWA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3846 10232 3857 10232 3863 10218 3862 10213
      3862 10212 3848 10206
TIME...MOT...LOC 2335Z 253DEG 12KT 3851 10228

$$
1 follow-up statement
804 
WWUS55 KPUB 232350
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
550 PM MDT THU AUG 23 2012

COC061-232359-
/O.EXP.KPUB.TO.W.0023.000000T0000Z-120823T2345Z/
KIOWA CO-
550 PM MDT THU AUG 23 2012

...THE TORNADO WARNING FOR NORTHEASTERN KIOWA COUNTY HAS EXPIRED...

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

THERE HAVE BEEN NO NEW REPORTS OF TORNADO ACTIVITY WITH THIS SMALL 
STORM.

LAT...LON 3846 10232 3857 10232 3863 10218 3862 10213
      3862 10212 3848 10206
TIME...MOT...LOC 2335Z 253DEG 12KT 3851 10228

$$

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.