Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 6, NWS San Angelo, TX

March 19, 2012Mason County, Texas

NWS San Angelo, TX issued this tornado warning at Mar 19, 2012, 5:38 PM CDT for Mason County, Texas. It was in force for 37 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: Mar 19, 2012, 5:38 PM CDT (22:38 UTC)
Expired: Mar 19, 2012, 6:15 PM CDT
In force: 37 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

County Mason County, TX

The radar

The San Angelo radar (KSJT), 140 km from the middle of the area, began a volume at 22:39 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

Time	Report	Where	Remark
Mar 19, 6:03 PM CDT	HAIL 1.75	2 Se Fredonia, 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.

Issued	Product	Office	Lasted
Mar 19, 2:39 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.6 hours before the alert went out and 230 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: 2784 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 337 m²/s²
Significant tornado parameter: 4.3
Supercell composite: 18.4

Open this sounding in Storm Lab

The text

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

232 
WFUS54 KSJT 192238
TORSJT
TXC319-192315-
/O.NEW.KSJT.TO.W.0006.120319T2238Z-120319T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
538 PM CDT MON MAR 19 2012

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MASON COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 615 PM CDT

* AT 534 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 4 MILES SOUTHEAST OF STREETER...OR 6 MILES WEST OF
  MASON...MOVING NORTHEAST AT 45 MPH.

  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...
  FREDONIA BY 555 PM CDT...
  PONTOTOC BY 605 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3078 9943 3095 9916 3094 9910 3092 9909
      3092 9897 3092 9896 3074 9897 3062 9934
TIME...MOT...LOC 2238Z 243DEG 39KT 3075 9928

$$

18

5 follow-up statements

819 
WWUS54 KSJT 192246
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
546 PM CDT MON MAR 19 2012

TXC319-192315-
/O.CON.KSJT.TO.W.0006.000000T0000Z-120319T2315Z/
MASON TX-
546 PM CDT MON MAR 19 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR NORTHERN
MASON COUNTY...

AT 544 PM CDT... TRAINED WEATHER SPOTTERS REPORTED A ROTATING WALL 
CLOUD. THIS WALL CLOUD WAS LOCATED NEAR MASON...MOVING NORTHEAST AT 
45 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE HAIL.
  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...

THE TORNADO WILL BE NEAR...
  FREDONIA BY 555 PM CDT...
  PONTOTOC BY 605 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3081 9937 3095 9916 3094 9910 3092 9909
      3092 9896 3074 9897 3065 9926
TIME...MOT...LOC 2245Z 243DEG 39KT 3078 9920

$$

18

836 
WWUS54 KSJT 192255
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
555 PM CDT MON MAR 19 2012

TXC319-192315-
/O.CON.KSJT.TO.W.0006.000000T0000Z-120319T2315Z/
MASON TX-
555 PM CDT MON MAR 19 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN MASON COUNTY...

AT 553 PM CDT... TRAINED WEATHER SPOTTERS REPORTED A ROTATING WALL 
CLOUD. THIS WALL CLOUD WAS LOCATED 7 MILES SOUTH OF FREDONIA...OR 
9 MILES NORTHEAST OF MASON...MOVING NORTHEAST AT 45 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE HAIL.
  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...
  MODERATE ROOF DAMAGE...
  MAY BREAK WINDOWS ON VEHICLES AND HOMES...
  MAY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED...
  LIGHT OBJECTS BLOWN AROUND...

  THE TORNADO WILL BE NEAR...
  PONTOTOC BY 605 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3087 9929 3094 9916 3094 9910 3092 9909
      3092 9896 3076 9900 3069 9915 3068 9915
TIME...MOT...LOC 2255Z 243DEG 39KT 3083 9909

$$

18

462 
WWUS54 KSJT 192308
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
608 PM CDT MON MAR 19 2012

TXC319-192315-
/O.CON.KSJT.TO.W.0006.000000T0000Z-120319T2315Z/
MASON TX-
608 PM CDT MON MAR 19 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN MASON COUNTY...

AT 607 PM CDT... STRONG ROTATION CONTINUES WITH THIS STORM. A TORNADO
MAY DEVELOP AT ANY TIME. RESIDENTS SHOULD TAKE COVER NOW! THE MOST 
DANGEROUS PART OF THIS STORM WAS LOCATED NEAR PONTOTOC...OR 19 MILES 
NORTHEAST OF MASON...MOVING NORTHEAST AT 45 MPH. TRAINED WEATHER 
SPOTTERS REPORTED "**" IN "**".

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. HAIL
  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...

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN MASON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3069 9915 3077 9903 3088 9915 3093 9909
      3092 9909 3092 9896 3077 9900
TIME...MOT...LOC 2308Z 243DEG 39KT 3089 9894

$$

748 
WWUS54 KSJT 192308 RRA
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
608 PM CDT MON MAR 19 2012

TXC319-192315-
/O.CON.KSJT.TO.W.0006.000000T0000Z-120319T2315Z/
MASON TX-
608 PM CDT MON MAR 19 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN MASON COUNTY...

AT 607 PM CDT... TRAINED WEATHER SPOTTERS CONTINUED TO REPORT A 
ROTATING WALL CLOUD. THIS WALL CLOUD WAS LOCATED NEAR PONTOTOC...
OR 19 MILES NORTHEAST OF MASON...MOVING NORTHEAST AT 45 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. HAIL
  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...

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN MASON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3069 9915 3077 9903 3088 9915 3093 9909
      3092 9909 3092 9896 3077 9900
TIME...MOT...LOC 2308Z 243DEG 39KT 3089 9894

$$

JOHNSON

965 
WWUS54 KSJT 192309
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
609 PM CDT MON MAR 19 2012

TXC319-192315-
/O.CON.KSJT.TO.W.0006.000000T0000Z-120319T2315Z/
MASON TX-
609 PM CDT MON MAR 19 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN MASON COUNTY...

AT 607 PM CDT...TRAINED WEATHER SPOTTERS CONTINUED TO REPORT A 
ROTATING WALL CLOUD. THIS WALL CLOUD WAS LOCATED NEAR PONTOTOC...OR 
19 MILES NORTHEAST OF MASON...MOVING NORTHEAST AT 45 MPH.

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. HAIL
  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...

THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN MASON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT MONDAY EVENING
FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3077 9903 3088 9915 3093 9909 3092 9909
      3092 9896 3078 9900
TIME...MOT...LOC 2310Z 243DEG 39KT 3090 9892

$$

JOHNSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 1:18 AM CDT	Special Weather Statement	SJT	Concho, Menard	42 min
Mar 19, 5:28 AM CDT	Special Weather Statement	SJT	Sterling	47 min
Mar 19, 5:56 AM CDT	Special Weather Statement	SJT	Fisher	64 min
Mar 19, 6:29 AM CDT	Special Weather Statement	SJT	Fisher	46 min
Mar 19, 7:06 AM CDT	Lake Wind Advisory	SJT	Brown, Callahan, Coke, Coleman, Concho, Fisher and 9 more	11 hr
Mar 19, 9:29 AM CDT	Special Weather Statement	SJT	Taylor	61 min
Mar 19, 10:28 AM CDT	Special Weather Statement	SJT	Shackelford, Throckmorton	62 min
Mar 19, 11:14 AM CDT	Special Weather Statement	SJT	Callahan, Shackelford, Throckmorton	61 min
Mar 19, 11:32 AM CDT	Special Weather Statement	SJT	Coleman, Runnels	58 min
Mar 19, 11:35 AM CDT	Special Weather Statement	SJT	Concho	55 min
Mar 19, 12:29 PM CDT	Special Weather Statement	SJT	Coleman, Concho, McCulloch	61 min
Mar 19, 12:31 PM CDT	Special Weather Statement	SJT	Callahan	59 min
Mar 19, 1:21 PM CDT	Special Weather Statement	SJT	Coleman, Concho	24 min
Mar 19, 2:19 PM CDT	Special Weather Statement	SJT	Schleicher	26 min
Mar 19, 2:44 PM CDT	Special Weather Statement	SJT	Runnels	46 min
Mar 19, 3:10 PM CDT	Tornado Warning	SJT	Sutton	35 min
Mar 19, 3:15 PM CDT	Special Weather Statement	SJT	Coleman	30 min
Mar 19, 3:41 PM CDT	Severe Thunderstorm Warning	SJT	Sutton	49 min
Mar 19, 3:55 PM CDT	Tornado Warning	SJT	Kimble, Sutton	35 min
Mar 19, 4:29 PM CDT	Tornado Warning	SJT	Kimble	31 min
Mar 19, 4:37 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Menard	38 min
Mar 19, 4:50 PM CDT	Tornado Warning	SJT	Kimble	25 min
Mar 19, 4:59 PM CDT	Special Weather Statement	SJT	Menard	31 min
Mar 19, 5:09 PM CDT	Tornado Warning	SJT	Kimble, Mason	36 min
Mar 19, 5:13 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Mason, Menard	47 min
Mar 19, 5:17 PM CDT	Special Weather Statement	SJT	Kimble	28 min
Mar 19, 5:32 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard, Sutton	43 min
Mar 19, 5:51 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	24 min
Mar 19, 5:52 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	38 min
Mar 19, 6:12 PM CDT	Special Weather Statement	SJT	Mason	63 min
Mar 19, 6:33 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	27 min
Mar 19, 6:54 PM CDT	Areal Flood Advisory	SJT	Mason	81 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.