Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 7, NWS Midland/Odessa, TX

April 10, 2012Brewster County, Pecos County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Apr 10, 2012, 12:11 AM CDT for Brewster County, 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 10, 2012, 12:11 AM CDT (05:11 UTC)
Expired
Apr 10, 2012, 12:45 AM CDT
In force
34 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

Counties Brewster County, TX, Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 173 km from the middle of the area, began a volume at 05:15 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 9, 5:32 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.2 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, Midland Regional, TX at 00:00Z on 2012-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 617 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, Midland Regional, TX at 00:00Z on 2012-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
617 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1776 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

747 
WFUS54 KMAF 100511
TORMAF
TXC043-371-100545-
/O.NEW.KMAF.TO.W.0007.120410T0511Z-120410T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1211 AM CDT TUE APR 10 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 1245 AM CDT

* AT 1206 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER WEST
  CENTRAL PECOS COUNTY...OR 25 MILES SOUTHWEST OF FORT STOCKTON...
  MOVING SOUTHEAST AT 25 MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  WESTERN PECOS COUNTY...

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 100 AM CDT
TUESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3054 10286 3036 10299 3042 10326 3080 10337
      3087 10321
TIME...MOT...LOC 0511Z 324DEG 21KT 3069 10324

$$
2 follow-up statements
592 
WWUS54 KMAF 100535
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1235 AM CDT TUE APR 10 2012

TXC043-100545-
/O.CAN.KMAF.TO.W.0007.000000T0000Z-120410T0545Z/
BREWSTER TX-
1235 AM CDT TUE APR 10 2012

...THE TORNADO WARNING FOR NORTH CENTRAL BREWSTER COUNTY IS
CANCELLED...

AT 1235 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMPTED THE TORNADO WARNING HAD MOVED OUT OF 
THE AREA. THEREFORE THE TORNADO WARNING IS CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
TUESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3058 10291 3044 10298 3047 10314 3069 10322
      3075 10313
TIME...MOT...LOC 0535Z 316DEG 23KT 3060 10304

$$

TXC371-100545-
/O.CON.KMAF.TO.W.0007.000000T0000Z-120410T0545Z/
PECOS TX-
1235 AM CDT TUE APR 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR WEST
CENTRAL PECOS COUNTY...

AT 1232 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A POSSIBLE TORNADO.  THIS TORNADO WAS LOCATED OVER WEST 
CENTRAL PECOS COUNTY...OR ABOUT 22 MILES SOUTHWEST OF FORT 
STOCKTON...MOVING SOUTHEAST AT 25 MPH.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...CENTRAL PECOS
COUNTY.

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 100 AM CDT
TUESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3058 10291 3044 10298 3047 10314 3069 10322
      3075 10313
TIME...MOT...LOC 0535Z 316DEG 23KT 3060 10304

$$
909 
WWUS54 KMAF 100541
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1241 AM CDT TUE APR 10 2012

TXC371-100550-
/O.EXP.KMAF.TO.W.0007.000000T0000Z-120410T0545Z/
PECOS TX-
1241 AM CDT TUE APR 10 2012

...THE TORNADO WARNING FOR WEST CENTRAL PECOS COUNTY WILL EXPIRE AT
1245 AM CDT...

AT 1240 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMPTED THE TORNADO WARNING WAS NO LONGER 
SHOWING STRONG ROTATION. THEREFORE THE TORNADO WARNING WILL BE 
ALLOWED TO EXPIRE THOUGH LARGE HAIL IS STILL POSSIBLE FROM THIS 
STORM. SEEK SHELTER IF IN THE PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT
TUESDAY MORNING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3058 10291 3044 10298 3047 10314 3069 10322
      3075 10313
TIME...MOT...LOC 0540Z 316DEG 23KT 3058 10301

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:04 PM CDTSevere Thunderstorm WarningMAFCulberson, Loving, Reeves56 min
Apr 9, 7:39 PM CDTSevere Thunderstorm WarningMAFLoving, Reeves, Ward36 min
Apr 9, 7:50 PM CDTSevere Thunderstorm WarningMAFAndrews, Loving, Winkler55 min
Apr 9, 8:02 PM CDTTornado WarningMAFReeves, Ward28 min
Apr 9, 8:12 PM CDTSevere Thunderstorm WarningMAFCulberson63 min
Apr 9, 8:13 PM CDTSevere Thunderstorm WarningMAFLoving, Reeves, Ward62 min
Apr 9, 8:21 PM CDTSevere Thunderstorm WarningMAFGaines54 min
Apr 9, 8:28 PM CDTTornado WarningMAFReeves, Ward32 min
Apr 9, 10:58 PM CDTSevere Thunderstorm WarningMAFJeff Davis, Pecos, Reeves62 min
Apr 9, 11:57 PM CDTSevere Thunderstorm WarningMAFBrewster, Jeff Davis, Pecos, Reeves63 min
Apr 10, 6:14 PM CDTSevere Thunderstorm WarningMAFCulberson44 min

Nearby

Tornado Warnings in Texas, 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.