Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 1, NWS San Angelo, TX

March 24, 2021San Saba County, Texas

NWS San Angelo, TX issued this tornado warning at Mar 24, 2021, 4:41 PM CDT for San Saba County, Texas. It was in force for 34 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
Mar 24, 2021, 4:41 PM CDT (21:41 UTC)
Expired
Mar 24, 2021, 5:15 PM CDT
In force
34 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County San Saba County, TX

The radar

The Dyess AFB radar (KDYX), 140 km from the middle of the area, began a volume at 21:41 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
Mar 24, 4:38 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 213 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, Fort Worth, TX at 12:00Z on 2021-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 2021-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1705 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
362 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

388 
WFUS54 KSJT 242141
TORSJT
TXC411-242215-
/O.NEW.KSJT.TO.W.0001.210324T2141Z-210324T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service San Angelo TX
441 PM CDT Wed Mar 24 2021

The National Weather Service in San Angelo has issued a

* Tornado Warning for...
  North central San Saba County in west central Texas...

* Until 515 PM CDT.
    
* At 440 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Richland Springs, moving northeast at 25 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  north central San Saba County, including the following locations...
  Spring Creek and Locker.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3130 9862 3123 9892 3136 9894 3143 9886
      3141 9884 3141 9878 3138 9878 3137 9876
      3143 9873 3141 9872 3140 9869 3134 9870
      3137 9866 3131 9864 3132 9859
TIME...MOT...LOC 2140Z 235DEG 24KT 3132 9889 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

PO
1 follow-up statement
831 
WWUS54 KSJT 242154
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
454 PM CDT Wed Mar 24 2021

TXC411-242215-
/O.CON.KSJT.TO.W.0001.000000T0000Z-210324T2215Z/
San Saba TX-
454 PM CDT Wed Mar 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR NORTH
CENTRAL SAN SABA COUNTY...
    
At 452 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles east of Skeeterville, or 10 miles north of
Algerita, moving northeast at 30 mph.

HAZARD...Tornado and two inch hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Spring Creek and Locker. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3125 9884 3138 9892 3143 9886 3141 9884
      3141 9878 3138 9878 3137 9876 3143 9873
      3141 9872 3140 9869 3134 9870 3137 9866
      3131 9864 3132 9859 3130 9862 3126 9879
TIME...MOT...LOC 2152Z 235DEG 24KT 3137 9881 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 3:46 PM CDTSpecial Weather StatementSJTMcCulloch44 min
Mar 24, 4:03 PM CDTSevere Thunderstorm WarningSJTMcCulloch, San Saba42 min

Nearby

Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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.