Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 16, NWS San Angelo, TX

May 30, 2012Taylor County, Texas

NWS San Angelo, TX issued this tornado warning at May 30, 2012, 5:33 PM CDT for Taylor County, Texas. It was in force for 27 min. 1 report 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, 5:33 PM CDT (22:33 UTC)
Expired
May 30, 2012, 6:00 PM CDT
In force
27 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon

County Taylor County, TX

The radar

The Dyess AFB radar (KDYX), 73 km from the middle of the area, began a volume at 22:35 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, 6:00 PM CDTHAIL 1.754 Sw Buffalo Gap, TXGOLF BALL SIZE HAIL AT ABILENE STATE PARK

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

Midland Regional, TX (KMAF), launched 12:00Z, 10.6 hours before the alert went out and 216 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, Midland Regional, TX at 12:00Z on 2012-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1761 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, Midland Regional, TX at 12:00Z on 2012-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
1761 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1809 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

409 
WFUS54 KSJT 302233
TORSJT
TXC441-302300-
/O.NEW.KSJT.TO.W.0016.120530T2233Z-120530T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
533 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL TAYLOR COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 600 PM CDT

* AT 531 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 9 MILES WEST OF LAKE ABILENE...OR 18 MILES NORTHEAST OF
  BLACKWELL...MOVING EAST AT 15 MPH. SOME ROADS IN THE PATH OF THIS 
STORM INCLUDE U.S. HIGHWAY 277. 

  IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE...
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.
  DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 60 MPH.
  POTENTIALLY DEADLY LIGHTNING.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LAKE ABILENE BY 600 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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

&&

LAT...LON 3228 9980 3209 9982 3217 10012 3229 10012
TIME...MOT...LOC 2233Z 285DEG 12KT 3221 10005

$$
DANIELS
1 follow-up statement
819 
WWUS54 KSJT 302246
SVSSJT

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

TXC441-302300-
/O.CON.KSJT.TO.W.0016.000000T0000Z-120530T2300Z/
TAYLOR TX-
546 PM CDT WED MAY 30 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR CENTRAL
TAYLOR COUNTY...

AT 540 PM CDT... THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 8
MILES WEST OF LAKE ABILENE...OR 17 MILES NORTH OF WINTERS...MOVING
EAST AT 15 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.
  DAMAGING WINDS IN EXCESS OF 60 MPH.

  WITH POSSIBLE STORM IMPACTS...
  OVERTURNED VEHICLES...
  DAMAGE TO TREES...SOME MAY BE UPROOTED...
  DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES...
  DENTED VEHICLES...
  MODERATE ROOF DAMAGE...
  MAY BREAK WINDOWS ON VEHICLES AND HOMES...
  MAY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED...
  DAMAGE TO TREE LIMBS...
  LIGHT OBJECTS BLOWN AROUND...
  AND DANGEROUS LIGHTNING.

THE TORNADO WILL BE NEAR...
  LAKE ABILENE BY 600 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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

&&

LAT...LON 3228 9980 3209 9982 3217 10012 3229 10012
TIME...MOT...LOC 2246Z 285DEG 12KT 3220 10000

$$
DANIELS!

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 4:42 PM CDTSpecial Weather StatementSJTTaylor48 min
May 30, 4:47 PM CDTSevere Thunderstorm WarningSJTJones, Nolan, Taylor43 min
May 30, 4:56 PM CDTSpecial Weather StatementSJTRunnels49 min
May 30, 5:02 PM CDTSevere Thunderstorm WarningSJTCoke, Nolan, Runnels, Taylor43 min
May 30, 5:28 PM CDTSevere Thunderstorm WarningSJTCallahan, Jones, Taylor47 min
May 30, 5:34 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels41 min
May 30, 5:44 PM CDTTornado WarningSJTRunnels31 min
May 30, 6:06 PM CDTSevere Thunderstorm WarningSJTCallahan, Coleman, Taylor39 min
May 30, 6:10 PM CDTTornado WarningSJTColeman, Concho, Runnels35 min
May 30, 6:14 PM CDTSevere Thunderstorm WarningSJTColeman, Concho, Runnels46 min
May 30, 6:30 PM CDTSevere Thunderstorm WarningSJTCallahan, Coleman, Taylor27 min
May 30, 6:45 PM CDTTornado WarningSJTConcho, Runnels30 min
May 30, 6:56 PM CDTSevere Thunderstorm WarningSJTColeman, Concho, McCulloch, Runnels49 min

Nearby

Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes 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.