Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 8, NWS Midland/Odessa, TX

April 11, 2012Pecos County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Apr 11, 2012, 5:56 PM CDT for Pecos County, Texas. It was in force for 34 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 11, 2012, 5:56 PM CDT (22:56 UTC)
Expired: Apr 11, 2012, 6:30 PM CDT
In force: 34 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 147 km from the middle of the area, began a volume at 22:58 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.

Issued	Product	Office	Lasted
Apr 11, 3:43 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.9 hours before the alert went out and 147 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: 60 J/kg
Mixed-layer CIN: -326 J/kg
Mixed-layer LCL: 1194 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: -11 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.

751 
WFUS54 KMAF 112256
TORMAF
TXC371-112330-
/O.NEW.KMAF.TO.W.0008.120411T2256Z-120411T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
556 PM CDT WED APR 11 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL PECOS COUNTY IN SOUTHWEST TEXAS...

* UNTIL 630 PM CDT

* AT 554 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES WEST OF
  BELDING...OR 22 MILES WEST OF FORT STOCKTON...MOVING EAST AT 15
  MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  BELDING...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANY TIME... TAKE COVER NOW. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3097 10296 3071 10296 3078 10331 3094 10331
TIME...MOT...LOC 2257Z 270DEG 13KT 3087 10324

$$

1 follow-up statement

147 
WWUS54 KMAF 112316
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
616 PM CDT WED APR 11 2012

TXC371-112330-
/O.CON.KMAF.TO.W.0008.000000T0000Z-120411T2330Z/
PECOS TX-
616 PM CDT WED APR 11 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR WEST
CENTRAL PECOS COUNTY...

AT 611 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 11 MILES NORTHWEST OF
BELDING...OR ABOUT 18 MILES WEST OF FORT STOCKTON...MOVING EAST AT 15
MPH.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...BELDING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO MAY FORM AT ANY TIME... TAKE COVER NOW. ABANDON MOBILE
HOMES AND VEHICLES FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3078 10326 3094 10327 3097 10296 3071 10296
TIME...MOT...LOC 2316Z 270DEG 13KT 3087 10316

$$

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 11, 2:38 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Reeves	52 min
Apr 11, 2:41 PM CDT	Fire Weather Watch	MAF		13 hr
Apr 11, 3:07 PM CDT	Severe Thunderstorm Warning	MAF	Reeves	53 min
Apr 11, 3:58 PM CDT	Severe Thunderstorm Warning	MAF	Pecos, Reeves	62 min
Apr 11, 4:50 PM CDT	Severe Thunderstorm Warning	MAF	Culberson, Reeves	55 min
Apr 11, 4:56 PM CDT	Severe Thunderstorm Warning	MAF	Pecos, Reeves, Ward	64 min
Apr 11, 5:09 PM CDT	Severe Thunderstorm Warning	MAF	Culberson	66 min
Apr 11, 6:01 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Pecos, Reeves, Ward	59 min
Apr 11, 6:25 PM CDT	Tornado Warning	MAF	Pecos	35 min

Nearby

Tornado Warnings in Texas, 2012 Every tornado warning in 2012 Tornadoes 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.