Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS San Angelo, TX

May 26, 2021San Saba County, Texas

NWS San Angelo, TX issued this special weather statement at May 26, 2021, 1:07 AM CDT for San Saba County, Texas. It was in force for 53 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 26, 2021, 1:07 AM CDT (06:07 UTC)
Expired: May 26, 2021, 2:00 AM CDT
In force: 53 min
Issued by: NWS San Angelo, TX

County San Saba County, TX

The radar

The Ft Hood radar (KGRK), 136 km from the middle of the area, began a volume at 06:10 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 00:00Z, 6.1 hours before the alert went out and 223 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: 327 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 1380 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 298 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

921 
WWUS84 KSJT 260607
SPSSJT

Special Weather Statement
National Weather Service San Angelo TX
107 AM CDT Wed May 26 2021
 
TXZ154-155-260700-
McCulloch TX-San Saba TX-
107 AM CDT Wed May 26 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MCCULLOCH AND SAN 
SABA COUNTIES UNTIL 200 AM CDT...

At 104 AM CDT, Doppler radar was tracking a cluster of strong 
thunderstorms extending from northern and western San Saba County 
into southeastern Mccullocn County, moving southeast at 25 mph.

Frequent lightning, wind gusts up to 40 mph, and pea size hail are 
possible with this cluster of storms.

Locations impacted include...
San Saba, Richland Springs, Algerita, Cherokee, Chappel, Sloan,
Harkeyville, Locker and Spring Creek.

LAT...LON 3092 9903 3112 9922 3143 9886 3141 9878
      3137 9876 3143 9873 3140 9869 3134 9870
      3137 9866 3131 9864 3132 9859 3127 9863
      3126 9858 3120 9857 3116 9850 3112 9855
      3109 9853 3111 9846 3106 9849 3093 9841
TIME...MOT...LOC 0604Z 298DEG 20KT 3120 9897 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:10 PM CDT	Special Weather Statement	SJT	Sterling	50 min
May 25, 8:34 PM CDT	Special Weather Statement	SJT	Coke, Nolan, Runnels	41 min
May 25, 8:53 PM CDT	Special Weather Statement	SJT	Nolan	52 min
May 25, 9:16 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	28 min
May 25, 9:18 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	57 min
May 25, 9:29 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	46 min
May 25, 9:39 PM CDT	Special Weather Statement	SJT	Taylor	51 min
May 25, 9:51 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Taylor	39 min
May 25, 9:53 PM CDT	Areal Flood Advisory	SJT	Coke, Nolan, Runnels, Taylor	112 min
May 25, 9:59 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Taylor	46 min
May 25, 10:06 PM CDT	Severe Thunderstorm Warning	SJT	Runnels, Taylor	54 min
May 25, 10:08 PM CDT	Special Weather Statement	SJT	Haskell	67 min
May 25, 10:26 PM CDT	Special Weather Statement	SJT	Callahan	64 min
May 25, 10:36 PM CDT	Areal Flood Advisory	SJT	Runnels, Taylor	114 min
May 25, 10:36 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Taylor	54 min
May 25, 10:57 PM CDT	Flash Flood Warning	SJT	Taylor	2 hr
May 25, 11:04 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels	56 min
May 25, 11:22 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, Concho, McCulloch	53 min
May 26, 12:15 AM CDT	Special Weather Statement	SJT	McCulloch	60 min

Nearby

Special Weather Statements in Texas, 2021 Every 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.