Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 32, NWS San Angelo, TX

April 12, 2021Coleman County, McCulloch County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 12, 2021, 11:26 PM CDT for Coleman County, McCulloch County, Texas. It was in force for 29 min. 1 report 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
Apr 12, 2021, 11:26 PM CDT (04:26 UTC)
Expired
Apr 12, 2021, 11:55 PM CDT
In force
29 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Coleman County, TX, McCulloch County, TX

What was reported inside it

TimeReportWhereRemark
Apr 12, 11:30 PM CDTHAIL 2.754 Nw Pear Valley, TXFACEBOOK PHOTO OF HAIL, WITH DESCRIPTION SAYING THAT MARBLE TO BASEBALL SIZED HAIL OCCURRED NEAR THE JUNCTION OF COUNTY ROAD 330 AND COUNTY ROAD 356 SOUTHEAST OF DOOLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.4 hours before the alert went out and 255 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 2021-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2255 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
2255 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1434 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

658 
WUUS54 KSJT 130426
SVRSJT
TXC083-307-130530-
/O.NEW.KSJT.SV.W.0032.210413T0426Z-210413T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
1126 PM CDT Mon Apr 12 2021

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Far Southern Coleman County in west central Texas... Northwestern 
  Northern McCulloch County in west central Texas...

* Until 1230 AM CDT.

* At 1125 PM CDT, a severe thunderstorm was located near Salt Gap, or
  19 miles northwest of Brady, moving northeast at 15 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Pear Valley around 1135 PM CDT.
  Lohn around 1155 PM CDT.
  Waldrip around 1210 AM CDT.
  Rockwood around 1225 AM CDT.

Other locations impacted by this severe thunderstorm include Us-
283 Near The Mcculloch-Coleman County Line and Fife.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3128 9959 3132 9961 3139 9960 3154 9939
      3130 9925
TIME...MOT...LOC 0425Z 242DEG 13KT 3134 9957 

HAIL...1.25IN
WIND...<50MPH
 
$$
1 follow-up statement
949 
WWUS54 KSJT 130455
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
1155 PM CDT Mon Apr 12 2021

TXC083-307-130503-
/O.CAN.KSJT.SV.W.0032.000000T0000Z-210413T0530Z/
Coleman TX-McCulloch TX-
1155 PM CDT Mon Apr 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL COLEMAN AND
NORTHWESTERN MCCULLOCH COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened and 
is no longer expected to be severe. Brief heavy rain and occasional 
lightning will accompany the storm.  

LAT...LON 3128 9959 3132 9961 3139 9960 3154 9939
      3130 9925
TIME...MOT...LOC 0453Z 242DEG 13KT 3139 9946 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:00 PM CDTSevere Thunderstorm WarningSJTMason60 min
Apr 12, 7:21 PM CDTSpecial Weather StatementSJTMcCulloch39 min
Apr 12, 7:46 PM CDTSpecial Weather StatementSJTMason29 min
Apr 12, 8:37 PM CDTSpecial Weather StatementSJTSutton23 min
Apr 12, 8:46 PM CDTSevere Thunderstorm WarningSJTKimble, Sutton44 min
Apr 12, 9:32 PM CDTSpecial Weather StatementSJTKimble43 min
Apr 12, 9:58 PM CDTSevere Thunderstorm WarningSJTKimble, Sutton32 min
Apr 12, 10:07 PM CDTSpecial Weather StatementSJTShackelford53 min
Apr 12, 10:20 PM CDTSpecial Weather StatementSJTJones40 min
Apr 12, 10:22 PM CDTSpecial Weather StatementSJTShackelford38 min
Apr 12, 10:26 PM CDTSevere Thunderstorm WarningSJTJones, Shackelford, Taylor49 min
Apr 12, 10:28 PM CDTSpecial Weather StatementSJTConcho, McCulloch47 min
Apr 12, 10:35 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch40 min
Apr 12, 11:02 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton43 min
Apr 12, 11:11 PM CDTSpecial Weather StatementSJTShackelford49 min
Apr 12, 11:14 PM CDTSpecial Weather StatementSJTJones46 min
Apr 12, 11:16 PM CDTSpecial Weather StatementSJTColeman44 min
Apr 12, 11:41 PM CDTSpecial Weather StatementSJTThrockmorton64 min
Apr 12, 11:59 PM CDTSpecial Weather StatementSJTColeman61 min
Apr 13, 12:01 AM CDTSpecial Weather StatementSJTJones59 min
Apr 13, 12:47 AM CDTSpecial Weather StatementSJTThrockmorton58 min
Apr 13, 12:59 AM CDTSevere Thunderstorm WarningSJTHaskell, Throckmorton61 min
Apr 13, 3:01 PM CDTSpecial Weather StatementSJTHaskell44 min
Apr 13, 3:26 PM CDTSpecial Weather StatementSJTHaskell49 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.