Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Midland/Odessa, TX

May 10, 2013Terrell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 10, 2013, 12:30 PM CDT for Terrell County, Texas. It was in force for 60 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 10, 2013, 12:30 PM CDT (17:30 UTC)
Expired
May 10, 2013, 1:30 PM CDT
In force
60 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

County Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 191 km from the middle of the area, began a volume at 17:31 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

Del Rio, TX (KDRT), launched 12:00Z, 5.5 hours before the alert went out and 156 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 2013-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1511 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 2013-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.1939587897Sfc1 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
1511 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
17.3

Open this sounding in Storm Lab

The text

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

708 
WUUS54 KMAF 101730
SVRMAF
TXC443-101830-
/O.NEW.KMAF.SV.W.0021.130510T1730Z-130510T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1230 PM CDT FRI MAY 10 2013

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL TERRELL COUNTY IN SOUTHWEST TEXAS...

* UNTIL 130 PM CDT

* AT 1227 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED OVER
  CENTRAL TERRELL COUNTY...OR 7 MILES EAST NORTHEAST OF SANDERSON...
  MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
  CENTRAL TERRELL COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH... PREPARE
IMMEDIATELY FOR DAMAGING WINDS... DESTRUCTIVE HAIL... AND DEADLY
CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

&&

LAT...LON 3034 10196 3008 10191 3009 10239 3027 10240
TIME...MOT...LOC 1728Z 268DEG 21KT 3018 10228

$$
1 follow-up statement
602 
WWUS54 KMAF 101804
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
104 PM CDT FRI MAY 10 2013

TXC443-101830-
/O.CON.KMAF.SV.W.0021.000000T0000Z-130510T1830Z/
TERRELL TX-
104 PM CDT FRI MAY 10 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR CENTRAL TERRELL COUNTY...

AT 1259 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED OVER CENTRAL TERRELL COUNTY...OR ABOUT 11 MILES NORTH OF 
DRYDEN ALONG HIGHWAY 349...MOVING EAST AT 30 MPH.

SOME LOCATIONS AFFECTED BY THE SEVERE THUNDERSTORM INCLUDE...CENTRAL 
TERRELL COUNTY NEAR HIGHWAY 349 BETWEEN MILE MARKER 473 AND 477.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH... PREPARE
IMMEDIATELY FOR DAMAGING WINDS... DESTRUCTIVE HAIL... AND DEADLY
CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

&&

LAT...LON 3013 10216 3030 10219 3031 10212 3034 10196
      3011 10192
TIME...MOT...LOC 1800Z 266DEG 24KT 3021 10206

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 1:10 AM CDTSevere Thunderstorm WarningMAFPecos, Terrell35 min
May 10, 11:29 AM CDTSpecial Weather StatementMAF61 min
May 10, 11:36 AM CDTSevere Thunderstorm WarningMAFPecos, Terrell54 min
May 10, 12:36 PM CDTSpecial Weather StatementMAF39 min
May 10, 12:51 PM CDTSpecial Weather StatementMAFHoward54 min
May 10, 1:20 PM CDTSevere Thunderstorm WarningMAFTerrell25 min
May 10, 1:33 PM CDTSevere Thunderstorm WarningMAFBrewster57 min
May 10, 2:04 PM CDTSpecial Weather StatementMAFReagan56 min
May 10, 2:26 PM CDTSevere Thunderstorm WarningMAFBrewster34 min
May 10, 3:04 PM CDTSpecial Weather StatementMAF26 min
May 10, 3:33 PM CDTSevere Thunderstorm WarningMAFTerrell42 min
May 10, 3:34 PM CDTSpecial Weather StatementMAF26 min
May 10, 4:00 PM CDTSpecial Weather StatementMAFTerrell60 min
May 10, 4:02 PM CDTSpecial Weather StatementMAF43 min
May 10, 4:08 PM CDTSpecial Weather StatementMAFCulberson37 min
May 10, 4:11 PM CDTSpecial Weather StatementMAFAndrews34 min
May 10, 4:40 PM CDTSpecial Weather StatementMAFJeff Davis35 min
May 10, 4:44 PM CDTSpecial Weather StatementMAFJeff Davis31 min
May 10, 5:28 PM CDTSpecial Weather StatementMAFJeff Davis32 min
May 10, 5:43 PM CDTSpecial Weather StatementMAFPecos32 min
May 10, 6:00 PM CDTSpecial Weather StatementMAFPecos30 min
May 10, 6:19 PM CDTAreal Flood AdvisoryMAFPecos116 min
May 10, 6:39 PM CDTSpecial Weather StatementMAFPresidio36 min
May 10, 6:42 PM CDTSpecial Weather StatementMAFPecos33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.