Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 24, NWS San Angelo, TX

May 22, 2011Brown County, Texas

NWS San Angelo, TX issued this tornado warning at May 22, 2011, 6:03 PM CDT for Brown County, Texas. It was in force for 27 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 22, 2011, 6:03 PM CDT (23:03 UTC)
Expired: May 22, 2011, 6:30 PM CDT
In force: 27 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

County Brown County, TX

The watch it was issued in

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

Issued	Product	Office	Lasted
May 22, 2:48 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.1 hours before the alert went out and 189 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: 3761 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 224 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 16.2

Open this sounding in Storm Lab

The text

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

504 
WFUS54 KSJT 222303
TORSJT
TXC049-222330-
/O.NEW.KSJT.TO.W.0024.110522T2303Z-110522T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
603 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 559 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 3 MILES WEST OF LAKE BROWNWOOD NEAR BYRDS STORE...OR 13
  MILES NORTHWEST OF EARLY...MOVING EAST AT 30 MPH. 

  IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE... 
  LARGE DAMAGING HAIL LIKELY LARGER THAN BASEBALL SIZE.
  DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.
  POTENTIALLY DEADLY LIGHTNING.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MAY BY 615 PM CDT...
  BLANKET BY 630 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SUNDAY EVENING FOR WEST CENTRAL TEXAS.

&&

LAT...LON 3175 9872 3178 9910 3189 9918 3208 9914
      3209 9912 3208 9892
TIME...MOT...LOC 2302Z 284DEG 27KT 3189 9905

$$

1 follow-up statement

708 
WWUS54 KSJT 222322
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
622 PM CDT SUN MAY 22 2011

TXC049-222330-
/O.CON.KSJT.TO.W.0024.000000T0000Z-110522T2330Z/
BROWN TX-
622 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN BROWN COUNTY...

AT 618 PM CDT...A SEVERE THUNDERSTORM WITH ROTATION CONTINUES ACROSS 
BROWN COUNTY. A TORNADO MAY DEVELOP AT ANY TIME! RESIDENTS SHOULD 
TAKE COVER NOW! THE MOST DANGEROUS PART OF THIS STORM WAS LOCATED 
NEAR LAKE BROWNWOOD NEAR BYRDS STORE...OR 11 MILES NORTH OF 
EARLY...MOVING EAST AT 25 MPH. 

  STORM HAZARDS INCLUDE...
  DANGEROUS TORNADIC WINDS.
  BASEBALL SIZE HAIL
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

  WITH POSSIBLE STORM IMPACTS...
  OVERTURNED VEHICLES...
  DAMAGE TO TREES...SOME MAY BE UPROOTED...
  DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES.
  BROKEN WINDOWS ON VEHICLES AND HOMES...
  SERIOUSLY INJURE PEOPLE...PETS...AND LIVESTOCK LEFT UNPROTECTED...
  EXTENSIVE POWER OUTAGES.

THE TORNADO WILL BE NEAR...
  OWENS BY 625 PM CDT...
  BLANKET BY 630 PM CDT...

LAT...LON 3184 9905 3191 9907 3202 9909 3207 9903
      3208 9892 3175 9872
TIME...MOT...LOC 2319Z 289DEG 22KT 3190 9897

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:12 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	48 min
May 22, 4:04 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	41 min
May 22, 4:08 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	52 min
May 22, 4:33 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Runnels	42 min
May 22, 4:37 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	38 min
May 22, 4:50 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	40 min
May 22, 4:55 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	50 min
May 22, 5:02 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford, Throckmorton	43 min
May 22, 5:11 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman	49 min
May 22, 5:40 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	20 min
May 22, 5:49 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	41 min
May 22, 5:52 PM CDT	Severe Thunderstorm Warning	SJT	Brown	38 min
May 22, 6:06 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	39 min
May 22, 6:25 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	38 min
May 22, 6:28 PM CDT	Tornado Warning	SJT	Brown	47 min
May 22, 6:43 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	47 min
May 22, 6:55 PM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	16 min
May 22, 6:59 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	46 min

Nearby

Tornado Warnings in Texas, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.