Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 67, NWS San Angelo, TX

May 12, 2014Brown County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 12, 2014, 1:26 PM CDT for Brown County, Texas. It was in force for 49 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 12, 2014, 1:26 PM CDT (18:26 UTC)
Expired: May 12, 2014, 2:15 PM CDT
In force: 49 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Brown County, TX

The radar

The Dyess AFB radar (KDYX), 88 km from the middle of the area, began a volume at 18:29 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 6.4 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-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: 1938 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 721 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 12, 12:50 PM CDT, 36 minutes earlier.

Area forecast discussion, May 12, 12:50 PM CDT, 36 minutes before

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Hazardous weather outlook, May 12, 5:14 AM CDT, 8 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
514 AM CDT MON MAY 12 2014

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-131015-
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-
514 AM CDT MON MAY 12 2014

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

.DAY ONE...TODAY AND TONIGHT

EXPECT SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS WEST CENTRAL
TEXAS. A FEW STORMS MAY BE SEVERE ALONG AND EAST OF A CROSS PLAINS
TO SONORA LINE. THE MAIN HAZARDS WILL BE LARGE HAIL...DAMAGING
WINDS AND DANGEROUS CLOUD TO GROUND LIGHTNING. ALSO...HEAVY RAINFALL
OF 1 TO 2 INCHES WITH LOCALLY HIGHER AMOUNTS...WILL BE POSSIBLE
TONIGHT ALONG AN EAST OF A COLEMAN TO JUNCTION LINE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

In the hours before

Special weather statement, May 12, 12:09 PM CDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1209 PM CDT MON MAY 12 2014

TXZ140-121745-
BROWN TX-
1209 PM CDT MON MAY 12 2014

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1245 PM CDT FOR BROWN
COUNTY...

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS AND HAIL

AT 1204 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTHWEST
OF EARLY...MOVING NORTHEAST AT 25 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  SOME BROKEN TREE BRANCHES AND A FEW WEAK TREES TOPPLED...
  SCATTERED POWER OUTAGES POSSIBLE...
  LIGHT LOOSE OBJECTS TOPPLED...

THE STRONG THUNDERSTORM WILL BE NEAR...
  OWENS BY 1220 PM CDT
  BLANKET BY 1230 PM CDT
  MAY BY 1235 PM CDT

LAT...LON 3166 9902 3176 9911 3205 9890 3203 9888
      3184 9876
TIME...MOT...LOC 1709Z 217DEG 22KT 3179 9897

JOHNSON

Special weather statement, May 12, 12:42 PM CDT, 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1242 PM CDT MON MAY 12 2014

TXZ139-121815-
COLEMAN TX-
1242 PM CDT MON MAY 12 2014

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 115 PM CDT FOR
COLEMAN COUNTY...

POTENTIAL STORM HAZARDS INCLUDE...
  GUSTY WINDS AND HAIL

AT 1241 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
SANTA ANNA...MOVING NORTHEAST AT 25 MPH.

POTENTIAL STORM IMPACTS INCLUDE...
  A FEW SMALL BROKEN TREE BRANCHES...
  AN ISOLATED POWER OUTAGES POSSIBLE...
  A FEW LOOSE OBJECTS TOPPLED...

THE STRONG THUNDERSTORM WILL BE NEAR...
  SANTA ANNA BY 1250 PM CDT

LAT...LON 3156 9929 3169 9945 3202 9920 3160 9921
TIME...MOT...LOC 1743Z 217DEG 21KT 3169 9932

JOHNSON

Local storm report, May 12, 1:00 PM CDT, 26 minutes before

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Special weather statement, May 12, 1:17 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 12:09 PM CDT	Special Weather Statement	SJT	Brown	36 min
May 12, 12:38 PM CDT	Severe Thunderstorm Warning	SJT	Brown	52 min
May 12, 12:42 PM CDT	Special Weather Statement	SJT	Coleman	33 min
May 12, 1:17 PM CDT	Special Weather Statement	SJT	McCulloch	28 min
May 12, 1:53 PM CDT	Areal Flood Advisory	SJT	Brown	112 min
May 12, 1:58 PM CDT	Special Weather Statement	SJT	McCulloch	32 min
May 12, 2:09 PM CDT	Severe Thunderstorm Warning	SJT	Brown, McCulloch, San Saba	51 min
May 12, 2:34 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	41 min
May 12, 3:09 PM CDT	Areal Flood Advisory	SJT	McCulloch	111 min
May 12, 3:20 PM CDT	Special Weather Statement	SJT	San Saba	40 min
May 12, 3:49 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	56 min
May 12, 3:58 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason	62 min
May 12, 4:24 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	66 min
May 12, 4:32 PM CDT	Areal Flood Advisory	SJT	San Saba	118 min
May 12, 4:46 PM CDT	Severe Thunderstorm Warning	SJT	San Saba	59 min
May 12, 4:59 PM CDT	Severe Thunderstorm Warning	SJT	Mason, San Saba	61 min
May 12, 5:15 PM CDT	Areal Flood Advisory	SJT	Mason	2 hr
May 12, 5:30 PM CDT	Severe Thunderstorm Warning	SJT	Kimble	45 min
May 12, 6:04 PM CDT	Severe Thunderstorm Warning	SJT	Mason	26 min
May 12, 6:27 PM CDT	Special Weather Statement	SJT	Kimble	48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Every severe thunderstorm warning in 2014

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.