Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 25, NWS San Angelo, TX

May 22, 2011Brown County, Texas

NWS San Angelo, TX issued this tornado warning at May 22, 2011, 6:28 PM CDT for Brown County, Texas. It was in force for 47 min. 3 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 22, 2011, 6:28 PM CDT (23:28 UTC)
Expired: May 22, 2011, 7:15 PM CDT
In force: 47 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

County Brown County, TX

What was reported inside it

Time	Report	Where	Remark
May 22, 6:43 PM CDT	HAIL 2	4 Nnw Owens, TX	1 EAST OF HOLDER
May 22, 6:48 PM CDT	HAIL 2.75	May, TX	BASEBALL TO SOFTBALL SIZE HAIL
May 22, 6:48 PM CDT	HAIL 3	5 S May, TX	RECEIVED AN EMAIL FROM A STORM SPOTTER AT MAY 5S ON HWY 183. THE SPOTTER REPORTED TEA CUP SIZE HAIL OR 3.00 INCHES.

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
May 22, 2:48 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.5 hours before the alert went out and 183 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.

472 
WFUS54 KSJT 222328
TORSJT
TXC049-230015-
/O.NEW.KSJT.TO.W.0025.110522T2328Z-110523T0015Z/

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

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 715 PM CDT

* AT 622 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 4 MILES SOUTHWEST OF MAY...OR 13 MILES NORTH OF        
  EARLY...MOVING EAST AT 30 MPH. STORM SPOTTERS CONTINUE TO SEE      
  ROTATION WITH THIS STORM.

  IN ADDITION TO DANGEROUS TORNADIC WINDS...OTHER HAZARDS INCLUDE...
  LARGE DAMAGING HAIL UP TO BASEBALL SIZE.
  POTENTIALLY DEADLY LIGHTNING.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BLANKET BY 645 PM CDT...

LAT...LON 3178 9872 3184 9899 3192 9903 3202 9905
      3206 9902 3208 9892
TIME...MOT...LOC 2328Z 280DEG 25KT 3192 9890

$$

2 follow-up statements

968 
WWUS54 KSJT 222351
SVSSJT

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

TXC049-230015-
/O.CON.KSJT.TO.W.0025.000000T0000Z-110523T0015Z/
BROWN TX-
651 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN BROWN COUNTY...

AT 647 PM CDT... THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 
NEAR OWENS...OR 11 MILES NORTH OF EARLY...MOVING EAST AT 25 MPH. LAW 
ENFORCEMENT REPORTED BASEBALL TO SOFTBALL SIZE HAIL IN THE TOWN OF 
MAY. THE ROTATION WITH THE STORM HAS WEAKENED CONSIDERABLY...BUT MAY 
INTENSIFY AGAIN AT ANY TIME.

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

  WITH POSSIBLE STORM IMPACTS...
  OVERTURNED VEHICLES...
  DAMAGE TO TREES...SOME MAY BE UPROOTED...
  DAMAGE TO HOMES...MAY DESTROY MANUFACTURED HOMES.
  CATASTROPHIC VEHICLE DAMAGE...
  CATASTROPHIC ROOF DAMAGE...
  SHATTERED WINDOWS ON VEHICLES AND HOMES...
  POTENTIALLY DEADLY TO PEOPLE...PETS...AND LIVESTOCK LEFT
 UNPROTECTED...

THE TORNADO WILL BE NEAR...
  BLANKET BY 700 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3178 9872 3184 9899 3192 9903 3202 9905
      3206 9902 3208 9892
TIME...MOT...LOC 2350Z 279DEG 22KT 3189 9885

$$

591 
WWUS54 KSJT 230006
SVSSJT

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

TXC049-230015-
/O.EXP.KSJT.TO.W.0025.000000T0000Z-110523T0015Z/
BROWN TX-
706 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR NORTHEASTERN BROWN COUNTY WILL EXPIRE AT
715 PM CDT...

THE STORM THAT WAS PRODUCING BASEBALL TO SOFTBALL SIZE HAIL IN 
NORTHERN BROWN COUNTY HAS MOVED EAST OUT OF THE COUNTY. MORE STORMS 
MAY DEVELOP LATER THIS EVENING.

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

LAT...LON 3178 9872 3184 9899 3192 9903 3202 9905
      3206 9902 3208 9892
TIME...MOT...LOC 0005Z 279DEG 22KT 3188 9874

$$

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, 6:03 PM CDT	Tornado Warning	SJT	Brown	27 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, 6:43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.