Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 28, NWS San Angelo, TX

October 13, 2012Schleicher County, Texas

NWS San Angelo, TX issued this tornado warning at Oct 13, 2012, 7:55 PM CDT for Schleicher County, Texas. It was in force for 17 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: Oct 13, 2012, 7:55 PM CDT (00:55 UTC)
Expired: Oct 13, 2012, 8:12 PM CDT
In force: 17 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

County Schleicher County, TX

The radar

The San Angelo radar (KSJT), 59 km from the middle of the area, began a volume at 00:55 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 13, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.9 hours before the alert went out and 178 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: 2651 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1277 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

351 
WFUS54 KSJT 140055
TORSJT
TXC413-140130-
/O.NEW.KSJT.TO.W.0028.121014T0055Z-121014T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
755 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL SCHLEICHER COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 830 PM CDT

* AT 750 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 4 MILES WEST OF THE INTERSECTION OF US-190 AND RANCH
  ROAD 2084...OR 13 MILES EAST OF ELDORADO...MOVING EAST AT 35 MPH.

  IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE...
  POTENTIALLY DEADLY LIGHTNING.

*THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...
  EAST CENTRAL SCHLEICHER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3095 10012 3074 10012 3084 10045 3094 10044
TIME...MOT...LOC 0055Z 276DEG 31KT 3089 10034

$$

2 follow-up statements

079 
WWUS54 KSJT 140102
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
802 PM CDT SAT OCT 13 2012

TXC413-140130-
/O.CON.KSJT.TO.W.0028.000000T0000Z-121014T0130Z/
SCHLEICHER TX-
802 PM CDT SAT OCT 13 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR EAST
CENTRAL SCHLEICHER COUNTY...

AT 759 PM CDT... THE MOST DANGEROUS PART OF THE STORM WAS LOCATED
NEAR THE INTERSECTION OF US-190 AND RANCH ROAD 2084...OR 18 MILES
EAST OF ELDORADO...MOVING EAST AT 40 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.

  WITH POSSIBLE STORM IMPACTS...
  OVERTURNED VEHICLES...
  DAMAGE TO TREES...SOME MAY BE UPROOTED...
  DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES...

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF EASTERN
SCHLEICHER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3081 10036 3094 10033 3094 10031 3091 10012
      3074 10012 3080 10032
TIME...MOT...LOC 0102Z 287DEG 36KT 3086 10026

$$

908 
WWUS54 KSJT 140112
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
812 PM CDT SAT OCT 13 2012

TXC413-140123-
/O.CAN.KSJT.TO.W.0028.000000T0000Z-121014T0130Z/
SCHLEICHER TX-
812 PM CDT SAT OCT 13 2012

...THE TORNADO WARNING FOR EAST CENTRAL SCHLEICHER COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR WEST CENTRAL TEXAS.

LAT...LON 3081 10036 3094 10033 3094 10031 3091 10012
      3074 10012 3080 10032
TIME...MOT...LOC 0113Z 287DEG 36KT 3083 10014

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:04 PM CDT	Special Weather Statement	SJT	Callahan	41 min
Oct 13, 7:08 PM CDT	Tornado Warning	SJT	Schleicher	37 min
Oct 13, 7:15 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	30 min
Oct 13, 7:30 PM CDT	Tornado Warning	SJT	Schleicher	30 min
Oct 13, 8:00 PM CDT	Special Weather Statement	SJT	Irion	45 min
Oct 13, 8:12 PM CDT	Severe Thunderstorm Warning	SJT	Menard, Schleicher	33 min
Oct 13, 8:22 PM CDT	Severe Thunderstorm Warning	SJT	Irion, Tom Green	38 min
Oct 13, 8:41 PM CDT	Special Weather Statement	SJT	Menard	34 min
Oct 13, 8:42 PM CDT	Special Weather Statement	SJT	Runnels	33 min
Oct 13, 8:50 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	25 min
Oct 13, 9:14 PM CDT	Special Weather Statement	SJT	Concho	46 min
Oct 13, 9:51 PM CDT	Special Weather Statement	SJT	McCulloch	39 min
Oct 13, 9:54 PM CDT	Special Weather Statement	SJT	Tom Green	51 min
Oct 13, 10:42 PM CDT	Special Weather Statement	SJT	Concho	48 min
Oct 13, 11:26 PM CDT	Special Weather Statement	SJT	McCulloch	49 min
Oct 13, 11:33 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	42 min
Oct 14, 12:17 AM CDT	Special Weather Statement	SJT	San Saba	28 min
Oct 14, 12:21 AM CDT	Special Weather Statement	SJT	Menard	54 min
Oct 14, 12:37 AM CDT	Severe Thunderstorm Warning	SJT	San Saba	23 min

Nearby

Tornado Warnings in Texas, 2012 Every tornado warning in 2012 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.