Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 116, NWS San Angelo, TX

May 15, 2013Brown County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 15, 2013, 10:10 PM CDT for Brown County, Texas. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 2013, 10:10 PM CDT (03:10 UTC)
Expired
May 15, 2013, 10:45 PM CDT
In force
35 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon

County Brown County, TX

The radar

The Dyess AFB radar (KDYX), 88 km from the middle of the area, began a volume at 03:12 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.

IssuedProductOfficeLasted
May 15, 3:28 PM CDTSevere Thunderstorm WatchSPC9 hr
May 15, 6:01 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.2 hours before the alert went out and 199 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, Fort Worth, TX at 00:00Z on 2013-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1604 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2013-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.193958Sfc1 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
1604 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
436 m²/s²
Significant tornado parameter
3.0
Supercell composite
20.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 15, 6:54 PM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, May 15, 6:54 PM CDT, 3 hours 16 minutes before
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Hazardous weather outlook, May 15, 5:28 PM CDT, 4 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
528 PM CDT WED MAY 15 2013

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-162230-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
528 PM CDT WED MAY 15 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...TONIGHT

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND EVENING EAST OF A ROTAN TO SAN ANGELO TO SONORA
LINE. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE HAIL AND
DAMAGING WINDS. HOWEVER...AN ISOLATED TORNADO CANNOT BE RULED
OUT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS WEST CENTRAL TEXAS
NEXT SATURDAY AS AN UPPER LEVEL TROUGH APPROACHES FROM THE WEST.

.SPOTTER INFORMATION STATEMENT...

SPOTTER MAY BE NECESSARY LATE THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, May 15, 4:10 PM CDT, 6 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
410 PM CDT WED MAY 15 2013

TXZ113-114-152145-
JONES TX-SHACKELFORD TX-
410 PM CDT WED MAY 15 2013

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 445 PM CDT FOR JONES
AND SHACKELFORD COUNTIES...

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS AND HAIL

AT 407 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES WEST OF
ANSON...MOVING EAST AT 30 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  SOME BROKEN TREE BRANCHES AND A FEW WEAK TREES TOPPLED...
  SCATTERED POWER OUTAGES LIKELY...
  LIGHT LOOSE OBJECTS TOPPLED...
  DANGEROUS DRIVING CONDITIONS AND POSSIBLE BLOWING DUST...
  MINOR SHINGLE DAMAGE...
  ISOLATED SMALL VEHICLE DENTS...
  MINOR INJURY POSSIBLE...

THE STRONG THUNDERSTORM WILL BE NEAR...
  ANSON BY 420 PM CDT
  FUNSTON BY 430 PM CDT
  THE INTERSECTION OF US-180 AND FARM ROAD 600 AND AVOCA BY 440 PM
  CDT
  LUEDERS...BIG COUNTRY BAPTIST ASSEMBLY AND NUGENT BY 445 PM CDT

LAT...LON 3292 9955 3258 9957 3268 10007 3286 10008
TIME...MOT...LOC 2110Z 268DEG 25KT 3277 9997
Special weather statement, May 15, 4:42 PM CDT, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
442 PM CDT WED MAY 15 2013

TXZ113-114-152230-
JONES TX-SHACKELFORD TX-
442 PM CDT WED MAY 15 2013

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 530 PM CDT FOR JONES
AND SHACKELFORD COUNTIES...

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS AND HAIL

AT 437 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 2 MILES EAST OF
ANSON...MOVING EAST AT 30 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  SOME BROKEN TREE BRANCHES AND A FEW WEAK TREES TOPPLED...
  SCATTERED POWER OUTAGES LIKELY...
  LIGHT LOOSE OBJECTS TOPPLED...
  DANGEROUS DRIVING CONDITIONS...
  MINOR SHINGLE DAMAGE...
  ISOLATED SMALL VEHICLE DENTS...

THE STRONG THUNDERSTORM WILL BE NEAR...
  THE INTERSECTION OF US-180 AND FARM ROAD 600 AND AVOCA BY 455 PM
  CDT
  NUGENT BY 500 PM CDT
  LUEDERS AND BIG COUNTRY BAPTIST ASSEMBLY BY 505 PM CDT

LAT...LON 3295 9942 3252 9943 3251 9945 3267 9994
      3285 9992
TIME...MOT...LOC 2142Z 274DEG 26KT 3275 9982
Special weather statement, May 15, 5:15 PM CDT, 4 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
515 PM CDT WED MAY 15 2013

TXZ049-054-152245-
FISHER TX-NOLAN TX-
515 PM CDT WED MAY 15 2013

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 545 PM CDT FOR FISHER
AND NOLAN COUNTIES...

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS TO 50 MPH

AT 510 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES WEST OF
US-84 NEAR THE NOLAN-FISHER COUNTY LINE...OR ABOUT 12 MILES NORTHEAST
OF COLORADO CITY...MOVING EAST AT 30 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  SOME BROKEN TREE BRANCHES AND A FEW WEAK TREES TOPPLED...
  SCATTERED POWER OUTAGES LIKELY...
  LIGHT LOOSE OBJECTS TOPPLED...
  DANGEROUS DRIVING CONDITIONS...
  MINOR SHINGLE DAMAGE...

THE STRONG THUNDERSTORM WILL BE NEAR...
  US-84 NEAR THE NOLAN-FISHER COUNTY LINE BY 520 PM CDT
  WASTELLA BY 525 PM CDT
  I-20 NEAR THE NOLAN-MITCHELL COUNTY LINE BY 530 PM CDT
  CHAMPION BY 535 PM CDT
  ROSCOE AND GANNON BY 540 PM CDT
  SWEETWATER...CAMP BOOTHE OAKS AND THE INTERSECTION OF RANCH ROAD
  608 AND HIGHWAY 147 BY 545 PM CDT

AND INCLUDES INTERSTATE 20 BETWEEN MILE MARKERS 227 AND 243.

LAT...LON 3273 10021 3213 10049 3231 10067 3269 10066
TIME...MOT...LOC 2214Z 292DEG 25KT 3254 10072
Special weather statement, May 15, 5:24 PM CDT, 4 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
524 PM CDT WED MAY 15 2013

TXZ140-152245-
BROWN TX-
524 PM CDT WED MAY 15 2013

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 545 PM CDT FOR BROWN
COUNTY...

POTENTIAL STORM HAZARDS INCLUDE...
  DANGEROUS LIGHTNING
  GUSTY WINDS AND HAIL

AT 521 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
OF ZEPHYR...OR ABOUT 12 MILES SOUTHEAST OF BROWNWOOD...MOVING
NORTHEAST AT 30 MPH. U.S. HIGHWAY 183...OVER SOUTHEAST BROWN COUNTY
IS IN THE PATH OF THIS STORM.

POTENTIAL STORM IMPACTS INCLUDE...
  LOCALIZED SHORT DURATION POWER OUTAGES...
  SOME BROKEN TREE BRANCHES...
  ISOLATED POWER OUTAGES POSSIBLE...
  A FEW LOOSE OBJECTS TOPPLED...
  HAZARDOUS DRIVING CONDITIONS...

MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

THE STRONG THUNDERSTORM WILL BE NEAR...
  ZEPHYR BY 530 PM CDT

LAT...LON 3169 9868 3169 9875 3161 9877 3152 9891
      3152 9893 3167 9894 3176 9870 3171 9867
      3170 9867
TIME...MOT...LOC 2222Z 242DEG 28KT 3159 9884

DANIELS
Local storm report, May 15, 5:45 PM CDT, 4 hours 25 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:20 PM CDTSpecial Weather StatementSJTRunnels25 min
May 15, 7:50 PM CDTSpecial Weather StatementSJTRunnels25 min
May 15, 7:52 PM CDTSevere Thunderstorm WarningSJTCoke, Runnels38 min
May 15, 9:55 PM CDTSpecial Weather StatementSJTBrown35 min
May 15, 10:37 PM CDTSevere Thunderstorm WarningSJTBrown, McCulloch, San Saba23 min
May 15, 10:58 PM CDTSevere Thunderstorm WarningSJTMcCulloch, San Saba32 min
May 15, 11:28 PM CDTSevere Thunderstorm WarningSJTMcCulloch, San Saba32 min
May 15, 11:59 PM CDTSevere Thunderstorm WarningSJTSan Saba61 min
May 16, 12:38 AM CDTAreal Flood AdvisorySJTSan Saba3 hr
May 16, 12:55 AM CDTSevere Thunderstorm WarningSJTSan Saba50 min
May 16, 6:20 PM CDTSpecial Weather StatementSJTKimble, Mason55 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

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.