Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

May 10, 2021McCulloch County, Texas

NWS San Angelo, TX issued this special weather statement at May 10, 2021, 11:14 PM CDT for McCulloch County, Texas. It was in force for 46 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 10, 2021, 11:14 PM CDT (04:14 UTC)
Expired
May 11, 2021, 12:00 AM CDT
In force
46 min
Issued by
NWS San Angelo, TX

County McCulloch County, TX

The radar

The San Angelo radar (KSJT), 103 km from the middle of the area, began a volume at 04:18 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

Del Rio, TX (KDRT), launched 00:00Z, 4.2 hours before the alert went out and 220 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, Del Rio, TX at 00:00Z on 2021-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3006 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, Del Rio, TX at 00:00Z on 2021-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
3006 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 10, 6:58 PM CDT, 4 hours 16 minutes earlier.

Area forecast discussion, May 10, 6:58 PM CDT, 4 hours 16 minutes before
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Hazardous weather outlook, May 10, 2:43 PM CDT, 8 hours 31 minutes before
Hazardous Weather Outlook
National Weather Service San Angelo TX
243 PM CDT Mon May 10 2021

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-111945-
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-
243 PM CDT Mon May 10 2021

This Hazardous Weather Outlook is for portions of west central
Texas.

.DAY ONE...This Afternoon and Tonight

There is a slight risk of severe thunderstorms this afternoon and
evening generally south of an Ozona...Eldorado to Menard to
Mason line. The primary hazards will be large hail and damaging
winds.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Isolated severe thunderstorms will be possible Tuesday and
Tuesday night. The main threat will be large hail and damaging
winds. Widespread showers and thunderstorms could also produce
localized flooding.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will likely be needed. Please relay any
information about observed weather to the NWS while following all
local, state and CDC guidelines.

In the hours before

Local storm report, May 10, 6:29 PM CDT, 4 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
629 PM CDT MON MAY 10 2021

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

0626 PM     HAIL             1 NNW BRADY             31.15N 99.34W
05/10/2021  E1.75 INCH       MCCULLOCH          TX   PUBLIC

            GOLF BALL SIZE HAIL JUST NORTH OF BRADY.

&&
Local storm report, May 10, 6:31 PM CDT, 4 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
631 PM CDT MON MAY 10 2021

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

0628 PM     HAIL             BRADY                   31.13N 99.34W
05/10/2021  E1.25 INCH       MCCULLOCH          TX   PUBLIC

            HALF DOLLAR SIZE HAIL REPORTED IN BRADY.

&&
Local storm report, May 10, 6:39 PM CDT, 4 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
639 PM CDT MON MAY 10 2021

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

0530 PM     HAIL             1 NNW MELVIN            31.22N 99.59W
05/10/2021  E1.75 INCH       MCCULLOCH          TX   PUBLIC

            GOLF BALL SIZE HAIL NOTED ON SOCIAL MEDIA
            FROM MELVIN.

&&
Special weather statement, May 10, 6:39 PM CDT, 4 hours 35 minutes before
Special Weather Statement
National Weather Service San Angelo TX
639 PM CDT Mon May 10 2021

TXZ140-110030-
Brown TX-
639 PM CDT Mon May 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BROWN COUNTY UNTIL 730 PM
CDT...

At 639 PM CDT, Doppler radar was tracking a strong thunderstorm over
Brookesmith, moving northeast at 35 mph.

Penny size hail will be possible with this storm.

This strong thunderstorm will be near...
  Brownwood and Camp Bowie around 655 PM CDT.
  Early and Zephyr around 710 PM CDT.
  Blanket around 720 PM CDT.

Other locations impacted by this storm include Indian Creek and
Owens.

LAT...LON 3170 9867 3169 9875 3162 9878 3149 9903
      3153 9915 3158 9919 3198 9886
TIME...MOT...LOC 2339Z 226DEG 31KT 3156 9907
Local storm report, May 10, 6:44 PM CDT, 4 hours 30 minutes before
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Local storm report, May 10, 6:52 PM CDT, 4 hours 22 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:17 PM CDTSevere Thunderstorm WarningSJTSutton37 min
May 11, 9:50 AM CDTSpecial Weather StatementSJTCrockett40 min
May 11, 10:24 AM CDTSpecial Weather StatementSJTJones51 min
May 11, 10:35 AM CDTAreal Flood AdvisorySJTCrockett, Schleicher115 min
May 11, 10:37 AM CDTSpecial Weather StatementSJTIrion38 min
May 11, 10:41 AM CDTSpecial Weather StatementSJTTom Green49 min
May 11, 10:41 AM CDTSpecial Weather StatementSJTRunnels49 min
May 11, 11:19 AM CDTAreal Flood AdvisorySJTCallahan, Jones, Shackelford, Taylor116 min
May 11, 11:23 AM CDTSpecial Weather StatementSJTCallahan, Taylor37 min
May 11, 11:30 AM CDTSpecial Weather StatementSJTConcho45 min
May 11, 12:05 PM CDTSpecial Weather StatementSJTBrown55 min
May 11, 12:46 PM CDTSpecial Weather StatementSJTSutton59 min
May 11, 1:23 PM CDTSpecial Weather StatementSJTMcCulloch37 min
May 11, 1:51 PM CDTSpecial Weather StatementSJTSutton39 min

Nearby

Special Weather Statements in Texas, 2021Every special weather statement in 2021

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.