Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 8, NWS Midland/Odessa, TX

May 31, 2011Presidio County, Texas

NWS Midland/Odessa, TX issued this tornado warning at May 31, 2011, 7:58 PM CDT for Presidio County, Texas. It was in force for 62 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 31, 2011, 7:58 PM CDT (00:58 UTC)
Expired: May 31, 2011, 9:00 PM CDT
In force: 62 min
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

County Presidio County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 1.0 hours before the alert went out and 284 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: 1942 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 1957 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

973 
WFUS54 KMAF 010058
TORMAF
TXC377-010200-
/O.NEW.KMAF.TO.W.0008.110601T0058Z-110601T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
758 PM CDT TUE MAY 31 2011

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL PRESIDIO COUNTY IN SOUTHWEST TEXAS...

* UNTIL 900 PM CDT

* AT 752 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 30 MILES NORTH
  OF SHAFTER NEAR FARM TO MARKET ROAD 2810...OR 21 MILES WEST OF
  MARFA...MOVING SOUTH AT 10 MPH.

* THE TORNADO WILL AFFECT THE FOLLOWING LOCATIONS...
  FARM TO MARKET ROAD 2810...HIGHWAY 67 BETWEEN MARFA AND SHAFTER.

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 1100 PM CDT
TUESDAY EVENING FOR SOUTHEAST NEW MEXICO AND SOUTHWESTERN TEXAS.

&&

LAT...LON 3034 10418 3017 10395 2984 10390 2975 10449
      3009 10464 3028 10454
TIME...MOT...LOC 0056Z 247DEG 10KT 3025 10436

$$

1 follow-up statement

606 
WWUS54 KMAF 010128
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
828 PM CDT TUE MAY 31 2011

TXC377-010200-
/O.CON.KMAF.TO.W.0008.000000T0000Z-110601T0200Z/
PRESIDIO TX-
828 PM CDT TUE MAY 31 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR CENTRAL
PRESIDIO COUNTY...

AT 822 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 23 MILES NORTHWEST OF SHAFTER NEAR FARM TO MARKET
ROAD 2810...OR ABOUT 25 MILES SOUTHWEST OF MARFA...MOVING SOUTHWEST
AT 10 MPH.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...FARM TO MARKET
ROAD 2810 NORTHWEST OF SHAFTER. 

LARGE HAIL AND OR DAMAGING WINDS MAY ALSO AFFECT CANDELARIA.

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 3034 10418 3017 10395 2984 10390 2975 10449
      3009 10464 3028 10454
TIME...MOT...LOC 0125Z 247DEG 10KT 3015 10439

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:02 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Presidio	43 min
May 31, 7:24 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	66 min
May 31, 7:36 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Presidio	54 min
May 31, 7:50 PM CDT	Areal Flood Advisory	MAF	Jeff Davis, Presidio	3 hr
May 31, 7:50 PM CDT	Severe Thunderstorm Warning	MAF	Jeff Davis, Presidio	55 min
May 31, 9:01 PM CDT	Areal Flood Advisory	MAF	Presidio	3 hr
May 31, 9:03 PM CDT	Severe Thunderstorm Warning	MAF	Presidio	57 min
May 31, 10:00 PM CDT	Severe Thunderstorm Warning	MAF	Presidio	60 min
May 31, 10:59 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Presidio	61 min
May 31, 11:16 PM CDT	Areal Flood Advisory	MAF	Brewster, Presidio	3 hr
Jun 1, 2:21 PM CDT	Fire Weather Watch	MAF	Andrews, Borden, Crane, Dawson, Ector, Gaines and 12 more	19 hr

Nearby

Tornado Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive.