Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 12, NWS Midland/Odessa, TX

May 27, 2012Pecos County, Terrell County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 27, 2012, 7:14 PM CDT for Pecos County, Terrell County, Texas. It was in force for 46 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: May 27, 2012, 7:14 PM CDT (00:14 UTC)
Expired: May 27, 2012, 8:00 PM CDT
In force: 46 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

Counties Pecos County, TX, Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 175 km from the middle of the area, began a volume at 00:15 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.2 hours before the alert went out and 176 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: 147 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 2619 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 83 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.

819 
WFUS54 KMAF 280014
TORMAF
TXC371-443-280100-
/O.NEW.KMAF.TO.W.0012.120528T0014Z-120528T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
714 PM CDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 711 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER SOUTH
  CENTRAL PECOS COUNTY...OR 22 MILES NORTHWEST OF SANDERSON...MOVING
  SOUTHEAST AT 30 MPH. THIS STORM IS NEAR U.S. 285.

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

THE SAFEST PLACES TO BE DURING A TORNADO IS IN A BASEMENT OR AN
UNDERGROUND SHELTER. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE... SEEK SHELTER ON THE LOWEST
FLOOR OF A STRONG BUILDING. MOVE INTO AN INTERIOR HALLWAY OR CLOSET
AWAY FROM WINDOWS. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

IF IN MOBILE HOMES OR VEHICLES... EVACUATE THEM AND MOVE TO A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3045 10217 3027 10226 3022 10248 3035 10272
      3052 10265
TIME...MOT...LOC 0013Z 294DEG 25KT 3040 10258

$$

2 follow-up statements

615 
WWUS54 KMAF 280039
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
739 PM CDT SUN MAY 27 2012

TXC371-443-280100-
/O.CON.KMAF.TO.W.0012.000000T0000Z-120528T0100Z/
PECOS TX-TERRELL TX-
739 PM CDT SUN MAY 27 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR WEST
CENTRAL TERRELL AND SOUTH CENTRAL PECOS COUNTIES...

AT 737 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM
WAS LOCATED OVER SOUTH CENTRAL PECOS COUNTY WEST OF U.S.285...OR 
ABOUT 14 MILES NORTHWEST OF SANDERSON...MOVING SOUTHEAST AT 25 MPH.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...SOUTH CENTRAL PECOS
COUNTY...EXTREME WEST CENTRAL TERRELL COUNTY AND EXTREME SOUTH
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.

IF YOU ARE CAUGHT OUTSIDE... SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT... SEEK SHELTER IN A CULVERT... DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3045 10217 3027 10226 3022 10248 3035 10272
      3052 10265
TIME...MOT...LOC 0039Z 312DEG 21KT 3032 10249

$$

022 
WWUS54 KMAF 280058
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
758 PM CDT SUN MAY 27 2012

TXC371-443-280108-
/O.EXP.KMAF.TO.W.0012.000000T0000Z-120528T0100Z/
PECOS TX-TERRELL TX-
758 PM CDT SUN MAY 27 2012

...THE TORNADO WARNING FOR WEST CENTRAL TERRELL AND SOUTH CENTRAL
PECOS COUNTIES WILL EXPIRE AT 800 PM CDT...

AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM THAT PROMPTED THE TORNADO WARNING HAD WEAKENED. THEREFORE
THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3045 10217 3027 10226 3022 10248 3035 10272
      3052 10265
TIME...MOT...LOC 0058Z 318DEG 17KT 3030 10243

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 5:11 AM CDT	Fire Weather Watch	MAF		10 hr
May 28, 3:02 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	58 min
May 28, 3:16 PM CDT	Fire Weather Watch	MAF		24 hr
May 28, 3:16 PM CDT	Red Flag Warning	MAF		32 hr
May 28, 4:33 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	57 min
May 28, 4:44 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Howard, Mitchell, Scurry	61 min
May 28, 5:26 PM CDT	Severe Thunderstorm Warning	MAF	Scurry	64 min
May 28, 5:29 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	46 min
May 28, 5:46 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Howard, Mitchell, Scurry	59 min
May 28, 5:47 PM CDT	Severe Thunderstorm Warning	MAF	Scurry	58 min
May 28, 6:14 PM CDT	Areal Flood Advisory	MAF	Scurry	3 hr
May 28, 6:44 PM CDT	Severe Thunderstorm Warning	MAF	Mitchell	61 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.