Alert archive / Colorado / Tornado Warnings in 2011

Tornado Warning 5, NWS Pueblo, CO

May 24, 2011Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at May 24, 2011, 2:12 PM MDT for Prowers 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 24, 2011, 2:12 PM MDT (20:12 UTC)
Expired: May 24, 2011, 2:34 PM MDT
In force: 22 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon

County Prowers County, CO

The radar

The Goodland radar (KGLD), 150 km from the middle of the area, began a volume at 20:15 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

Time	Report	Where	Remark
May 24, 2:14 PM MDT	TORNADO	5 E Lamar, CO	CDOT REPORTED TORNADO MOVING NORTHEAST.

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.

Issued	Product	Office	Lasted
May 24, 12:27 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.2 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 291 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 996 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

218 
WFUS55 KPUB 242012
TORPUB
COC099-242100-
/O.NEW.KPUB.TO.W.0005.110524T2012Z-110524T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
212 PM MDT TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL PROWERS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 300 PM MDT

* AT 210 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 5 MILES
  EAST OF LAMAR. DOPPLER RADAR SHOWED THIS TORNADO MOVING NORTHEAST
  AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GRANADA AND BRISTOL.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT TUESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3802 10232 3808 10259 3826 10249 3827 10221
TIME...MOT...LOC 2012Z 220DEG 14KT 3810 10252

$$

1 follow-up statement

230 
WWUS55 KPUB 242034
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
234 PM MDT TUE MAY 24 2011

COC099-242044-
/O.CAN.KPUB.TO.W.0005.000000T0000Z-110524T2100Z/
PROWERS CO-
234 PM MDT TUE MAY 24 2011

...THE TORNADO WARNING FOR NORTH CENTRAL PROWERS 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.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
NORTHEAST PROWERS COUNTY UNTIL 315 PM MDT. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT TUESDAY EVENING
FOR SOUTHEAST COLORADO.

LAT...LON 3802 10232 3808 10259 3826 10249 3827 10221
TIME...MOT...LOC 2034Z 220DEG 14KT 3817 10245

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 8:47 AM MDT	Severe Thunderstorm Warning	PUB	El Paso	58 min
May 24, 9:43 AM MDT	Severe Thunderstorm Warning	PUB	El Paso	52 min
May 24, 9:49 AM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero, Pueblo	29 min
May 24, 11:08 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	24 min
May 24, 12:21 PM MDT	Severe Thunderstorm Warning	PUB	Baca, Las Animas	54 min
May 24, 12:28 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano, Pueblo	62 min
May 24, 1:01 PM MDT	Severe Thunderstorm Warning	PUB	Otero	28 min
May 24, 1:03 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano, Las Animas	42 min
May 24, 1:06 PM MDT	Tornado Warning	PUB	Huerfano, Las Animas	13 min
May 24, 2:22 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	35 min

Nearby

Tornado Warnings in Colorado, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.