Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 255, NWS San Angelo, TX

May 26, 20154 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 26, 2015, 6:24 PM CDT for 4 counties in Texas. It was in force for 37 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 26, 2015, 6:24 PM CDT (23:24 UTC)
Expired
May 26, 2015, 7:01 PM CDT
In force
37 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Coke County, TX, Irion County, TX, Sterling County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 36 km from the middle of the area, began a volume at 23:23 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 26, 5:23 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.4 hours before the alert went out and 142 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, Midland Regional, TX at 12:00Z on 2015-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 679 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, Midland Regional, TX at 12:00Z on 2015-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 square meters per square second.19395878Sfc1 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
679 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
1627 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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 26, 6:14 PM CDT, 10 minutes earlier.

Area forecast discussion, May 26, 6:14 PM CDT, 10 minutes before
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Hazardous weather outlook, May 26, 2:12 PM CDT, 4 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
212 PM CDT TUE MAY 26 2015

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-271915-
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-
212 PM CDT TUE MAY 26 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON AND
EVENING AS A DRYLINE MOVES INTO THE AREA. GIVEN THE VERY UNSTABLE
AIR MASS...ANY STORM THAT DOES DEVELOP WILL HAVE THE POTENTIAL OF
QUICKLY REACHING SEVERE LEVELS. VERY LARGE HAIL WILL BE THE MAIN
THREAT...ALTHOUGH DANGEROUS LIGHTNING WILL ALSO BE LIKELY. AN
ISOLATED TORNADO WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED THUNDERSTORMS ARE POSSIBLE MUCH OF THE REMAINDER OF THE
WEEK...WITH THE BEST CHANCES LIKELY FOR THURSDAY EVENING THROUGH
FRIDAY. THESE STORMS MAY REACH STRONG TO SEVERE LEVELS...WITH
FLASH FLOODING FROM HEAVY RAINFALL...LARGE HAIL...AND DANGEROUS
LIGHTNING THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE THIS AFTERNOON AND
EVENING...AND AGAIN OFF AND ON THROUGH THE WEEK.

In the hours before

Local storm report, May 26, 3:51 PM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
351 PM CDT TUE MAY 26 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0345 PM     HAIL             1 S WOODSON             33.00N  99.05W
05/26/2015  E1.50 INCH       THROCKMORTON       TX   FIRE DEPT/RESCUE

&&

EVENT NUMBER SJT1500435

JOHNSON
Local storm report, May 26, 3:56 PM CDT, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
356 PM CDT TUE MAY 26 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0350 PM     HAIL             THROCKMORTON            33.18N  99.18W
05/26/2015  E1.25 INCH       THROCKMORTON       TX   LAW ENFORCEMENT

&&

EVENT NUMBER SJT1500436

JOHNSON
Special weather statement, May 26, 4:11 PM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
411 PM CDT TUE MAY 26 2015

TXZ098-099-113-114-262145-
HASKELL TX-JONES TX-SHACKELFORD TX-THROCKMORTON TX-
411 PM CDT TUE MAY 26 2015

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

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS AND HAIL

AT 409 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER AVOCA...OR
ABOUT 8 MILES SOUTHEAST OF STAMFORD...MOVING EAST AT 25 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  SOME BROKEN SMALL TREE BRANCHES...
  DEADLY LIGHTNING...
  LIGHT LOOSE OBJECTS TOPPLED...
  DANGEROUS DRIVING CONDITIONS...
  HAIL AND WIND MAY COMBINE TO PRODUCE MINOR INJURY TO PLANTS AND
  MINOR DAMAGE TO EASILY BREAKABLE OBJECTS...

THE STRONG THUNDERSTORM WILL BE NEAR...
  LUEDERS BY 420 PM CDT
  BIG COUNTRY BAPTIST ASSEMBLY BY 425 PM CDT

LAT...LON 3306 9924 3271 9922 3274 9981 3295 9984
TIME...MOT...LOC 2111Z 266DEG 23KT 3284 9971
Special weather statement, May 26, 4:37 PM CDT, 1 hour 47 minutes before
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Local storm report, May 26, 6:09 PM CDT, 15 minutes before
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Local storm report, May 26, 6:22 PM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 3:58 AM CDTDense Fog AdvisorySJTBrown, Callahan, Coleman, Concho, Jones, McCulloch and 7 more6 hr
May 26, 3:26 PM CDTSpecial Weather StatementSJTThrockmorton34 min
May 26, 3:35 PM CDTSpecial Weather StatementSJTThrockmorton25 min
May 26, 3:40 PM CDTSevere Thunderstorm WarningSJTThrockmorton65 min
May 26, 4:11 PM CDTSpecial Weather StatementSJTShackelford34 min
May 26, 4:37 PM CDTSpecial Weather StatementSJTCrockett23 min
May 26, 4:59 PM CDTSevere Thunderstorm WarningSJTThrockmorton46 min
May 26, 5:27 PM CDTSevere Thunderstorm WarningSJTIrion63 min
May 26, 5:43 PM CDTSevere Thunderstorm WarningSJTConcho, Runnels, Tom Green47 min
May 26, 5:59 PM CDTSevere Thunderstorm WarningSJTCoke, Sterling, Tom Green61 min
May 26, 6:27 PM CDTSevere Thunderstorm WarningSJTConcho, Runnels, Tom Green48 min
May 26, 6:42 PM CDTAreal Flood AdvisorySJTRunnels2 hr
May 26, 6:51 PM CDTSpecial Weather StatementSJTCoke39 min
May 26, 6:59 PM CDTSevere Thunderstorm WarningSJTCoke, Runnels46 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015

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.