Alert archive / Texas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 113, NWS San Angelo, TX

May 30, 20124 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 30, 2012, 8:28 PM CDT for 4 counties in Texas. It was in force for 47 min. 5 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
May 30, 2012, 8:28 PM CDT (01:28 UTC)
Expired
May 30, 2012, 9:15 PM CDT
In force
47 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon

Counties Concho County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX

The radar

The San Angelo radar (KSJT), 115 km from the middle of the area, began a volume at 01:30 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
May 30, 8:30 PM CDTTSTM WND DMG3 S Melvin, TXROOF DAMAGE WAS SUSTAINED AT AT LEAST ONE RESIDENCE NEAR MELVIN. DAMAGE OCCURRED JUST EAST OF RANCH ROAD 2028 APPROXIMATELY 3 MILE SOUTH OF MELVIN.
May 30, 8:30 PM CDTHAIL 2.753 S Melvin, TXWIND DRIVEN BASEBALL SIZE HAIL PRODUCED EXTENSIVE DAMAGE IN MELVIN. EAST FACING WINDOWS WERE ALL BLOWN IN ON SEVERAL RESIDENCES
May 30, 8:30 PM CDTHAIL 2.75Melvin, TXWIND DRIVEN BASEBALL SIZE HAIL PRODUCED EXTENSIVE DAMAGE IN MELVIN. EAST FACING WINDOWS WERE ALL BLOWN IN ON SEVERAL RESIDENCES
May 30, 8:32 PM CDTHAIL 2.751 Se Melvin, TXCORN CROPS STRIPPED.
May 30, 9:00 PM CDTHAIL 2.511 Nne Hext, TXGOLF BALL TO TENNIS BALL SIZE HAIL NEAR THE INTERSECTION OF US 190 AND RANCH ROAD 1311

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
May 30, 5:11 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.5 hours before the alert went out and 228 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 00:00Z on 2012-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2015 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2012-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
2015 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
2271 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

871 
WUUS54 KSJT 310128
SVRSJT
TXC095-307-319-327-310215-
/O.NEW.KSJT.SV.W.0113.120531T0128Z-120531T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
828 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MCCULLOCH COUNTY IN WEST CENTRAL TEXAS...
  NORTHERN MASON COUNTY IN WEST CENTRAL TEXAS...
  EASTERN MENARD COUNTY IN WEST CENTRAL TEXAS...
  SOUTHEASTERN CONCHO COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 915 PM CDT

* AT 825 PM CDT...A SEVERE THUNDERSTORM WAS 5 MILES SOUTHWEST OF   
BRADY LAKE...OR 8 MILES WEST OF BRADY...MOVING SOUTH AT 20 MPH. THIS 
STORM HAS A HISTORY OF PRODUCING A TORNADO AND LARGE HAIL TO NEAR 
GRAPEFRUIT SIZE. RESIDENTS IN THE PATH OF THIS STORM ARE URGED TO 
TAKE SHELTER! 

  STORM HAZARDS INCLUDE...
  LARGE DAMAGING HAIL UP TO SOFTBALL SIZE.
  DAMAGING WINDS IN EXCESS OF 60 MPH.

  WITH POSSIBLE STORM IMPACTS...
  CATASTROPHIC VEHICLE DAMAGE...
  CATASTROPHIC ROOF DAMAGE...
  EXTREME WINDOW AND SIGN DAMAGE...
  DEADLY TO UNPROTECTED PEOPLE AND ANIMALS...
  SOME TREE LIMB DAMAGE...WEAKENED TREES TOPPLED...
  UNSECURED LIGHT OBJECTS BLOWN AROUND...
  SCATTERED POWER OUTAGES POSSIBLE...
  POTENTIALLY DEADLY LIGHTNING.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THE INTERSECTION OF US-190 AND RANCH ROAD 1311 BY 845 PM CDT...
  US-377/US 87 NEAR THE MASON-MCCULLOCH COUNTY LINE AND HEXT BY 910
  PM CDT...
  THE INTERSECTION OF HIGHWAY 29 AND RANCH ROAD 1222...THE
  INTERSECTION OF US-377 AND RANCH ROAD 1222 AND KATEMCY BY 915 PM
  CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3075 9972 3132 9981 3138 9950 3094 9909
      3093 9909 3092 9907 3087 9902
TIME...MOT...LOC 0127Z 340DEG 16KT 3109 9947

$$
DANIELS
1 follow-up statement
206 
WWUS54 KSJT 310158
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
858 PM CDT WED MAY 30 2012

TXC095-307-319-327-310215-
/O.CON.KSJT.SV.W.0113.000000T0000Z-120531T0215Z/
MCCULLOCH TX-MASON TX-MENARD TX-CONCHO TX-
858 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHEASTERN CONCHO...EASTERN MENARD...NORTHERN MASON AND
SOUTHWESTERN MCCULLOCH COUNTIES...

AT 854 PM CDT... A SEVERE THUNDERSTORM WAS LOCATED NEAR THE
INTERSECTION OF US-190 AND RANCH ROAD 1311...OR 12 MILES SOUTHWEST OF
BRADY...MOVING SOUTH AT 20 MPH. THIS STORM HAS A HISTORY OF 
PRODUCING A TORNADO AND VERY LARGE HAIL. RESIDENTS ARE URGED TO TAKE 
SHELTER!

  STORM HAZARDS INCLUDE...
  LARGE DAMAGING HAIL UP TO SOFTBALL SIZE.
  DAMAGING WINDS IN EXCESS OF 60 MPH.

  WITH POSSIBLE STORM IMPACTS...
  CATASTROPHIC VEHICLE DAMAGE...
  CATASTROPHIC ROOF DAMAGE...
  SHATTERED WINDOWS ON VEHICLES AND HOMES...
  POTENTIALLY DEADLY TO PEOPLE...PETS...AND LIVESTOCK LEFT
 UNPROTECTED...
  DAMAGE TO TREE LIMBS...
  LIGHT OBJECTS BLOWN AROUND...
  AND DANGEROUS LIGHTNING.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  US-377/US 87 NEAR THE MASON-MCCULLOCH COUNTY LINE AND HEXT BY 910
  PM CDT...
  THE INTERSECTION OF HIGHWAY 29 AND RANCH ROAD 1222...THE
  INTERSECTION OF US-377 AND RANCH ROAD 1222 AND KATEMCY BY 915 PM
  CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3075 9972 3132 9981 3138 9950 3094 9909
      3093 9909 3092 9907 3087 9902
TIME...MOT...LOC 0157Z 340DEG 16KT 3096 9942

$$
DANIELS

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 30, 7:12 PM CDTTornado WarningSJTConcho, McCulloch33 min
May 30, 7:40 PM CDTSevere Thunderstorm WarningSJTColeman, Concho, McCulloch, Menard50 min
May 30, 7:43 PM CDTTornado WarningSJTConcho, McCulloch32 min
May 30, 8:12 PM CDTTornado WarningSJTConcho, McCulloch, Menard33 min
May 30, 8:20 PM CDTSevere Thunderstorm WarningSJTThrockmorton40 min
May 30, 8:26 PM CDTSevere Thunderstorm WarningSJTHaskell49 min
May 30, 8:44 PM CDTTornado WarningSJTMcCulloch, Mason, Menard31 min
May 30, 8:54 PM CDTSevere Thunderstorm WarningSJTThrockmorton36 min
May 30, 9:03 PM CDTSevere Thunderstorm WarningSJTHaskell42 min
May 30, 9:11 PM CDTSevere Thunderstorm WarningSJTKimble, McCulloch, Mason, Menard49 min
May 30, 9:22 PM CDTTornado WarningSJTMason23 min
May 30, 9:29 PM CDTSevere Thunderstorm WarningSJTHaskell, Shackelford, Throckmorton46 min
May 30, 9:56 PM CDTSevere Thunderstorm WarningSJTHaskell, Shackelford, Throckmorton37 min
May 30, 9:56 PM CDTSevere Thunderstorm WarningSJTMason49 min
May 30, 10:43 PM CDTSevere Thunderstorm WarningSJTMason17 min

Nearby

Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.