Alert archive / Texas / Tornado Warnings in 2013

Tornado Warning 1, NWS Midland/Odessa, TX

April 2, 2013Terrell County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Apr 2, 2013, 5:18 PM CDT for Terrell County, Texas. It was in force for 27 min. 2 reports 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
Apr 2, 2013, 5:18 PM CDT (22:18 UTC)
Expired
Apr 2, 2013, 5:45 PM CDT
In force
27 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

County Terrell County, TX

The radar

The Laughlin AFB radar (KDFX), 201 km from the middle of the area, began a volume at 22:18 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

TimeReportWhereRemark
Apr 2, 5:42 PM CDTHAIL 0.8810 Se Dryden, TXDIME TO NICKEL SIZE HAIL REPORTED BETWEEN 530 AND 600 PM... ASSIGNED REPORT TIME BASED ON RADAR
Apr 2, 5:50 PM CDTTSTM WND GST 6010 Se Dryden, TX

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.

IssuedProductOfficeLasted
Apr 2, 2:35 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.3 hours before the alert went out and 149 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, Del Rio, TX at 12:00Z on 2013-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1695 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, Del Rio, TX at 12:00Z on 2013-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 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
1695 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

148 
WFUS54 KMAF 022218
TORMAF
TXC443-022245-
/O.NEW.KMAF.TO.W.0001.130402T2218Z-130402T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
518 PM CDT TUE APR 2 2013

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

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

* UNTIL 545 PM CDT

* AT 515 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  DRYDEN...MOVING EAST AT 20 MPH.

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

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 SOUTHWESTERN TEXAS.

&&

LAT...LON 3021 10201 2994 10191 2992 10231 3002 10235
      3008 10234
TIME...MOT...LOC 2218Z 262DEG 23KT 3003 10220

$$
1 follow-up statement
808 
WWUS54 KMAF 022233
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
533 PM CDT TUE APR 2 2013

TXC443-022245-
/O.CON.KMAF.TO.W.0001.000000T0000Z-130402T2245Z/
TERRELL TX-
533 PM CDT TUE APR 2 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR CENTRAL
TERRELL COUNTY...

AT 529 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 1 MILE SOUTH OF DRYDEN...
MOVING EAST AT 20 MPH.

SOME LOCATIONS AFFECTED BY THE TORNADO INCLUDE...SOUTH CENTRAL
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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
TUESDAY EVENING FOR SOUTHWESTERN TEXAS.

&&

LAT...LON 3021 10201 2994 10191 2992 10231 3002 10235
      3008 10234
TIME...MOT...LOC 2233Z 274DEG 21KT 2998 10208

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 7:15 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell60 min
Apr 1, 7:39 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos66 min
Apr 1, 8:31 PM CDTSpecial Weather StatementMAFUpton29 min
Apr 2, 2:12 PM CDTSpecial Weather StatementMAFBrewster33 min
Apr 2, 2:51 PM CDTSpecial Weather StatementMAFBrewster24 min
Apr 2, 3:15 PM CDTSpecial Weather StatementMAFBrewster30 min
Apr 2, 3:19 PM CDTSevere Thunderstorm WarningMAFBrewster56 min
Apr 2, 3:24 PM CDTSpecial Weather StatementMAFBrewster51 min
Apr 2, 3:48 PM CDTSpecial Weather StatementMAFTerrell27 min
Apr 2, 4:01 PM CDTSevere Thunderstorm WarningMAFBrewster59 min
Apr 2, 4:07 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell53 min
Apr 2, 4:16 PM CDTSpecial Weather StatementMAFTerrell29 min
Apr 2, 4:20 PM CDTSevere Thunderstorm WarningMAFBrewster55 min
Apr 2, 4:38 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell52 min
Apr 2, 4:52 PM CDTSevere Thunderstorm WarningMAFBrewster, Terrell53 min
Apr 2, 5:42 PM CDTTornado WarningMAFTerrell33 min

Nearby

Tornado Warnings in Texas, 2013Every tornado warning in 2013Tornadoes in 2013

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.