Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS San Angelo, TX

March 22, 20214 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 22, 2021, 4:31 PM CDT for 4 counties in Texas. It was in force for 44 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
Mar 22, 2021, 4:31 PM CDT (21:31 UTC)
Expired
Mar 22, 2021, 5:15 PM CDT
In force
44 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kimble County, TX, Menard County, TX, Schleicher County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 92 km from the middle of the area, began a volume at 21:31 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.

What was reported inside it

TimeReportWhereRemark
Mar 22, 4:40 PM CDTHAIL 0.5Sonora, TX

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 12:00Z, 9.5 hours before the alert went out and 136 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 12:00Z on 2021-03-22Temperature 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, Del Rio, TX at 12:00Z on 2021-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 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
570 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WUUS54 KSJT 222131
SVRSJT
TXC267-327-413-435-222215-
/O.NEW.KSJT.SV.W.0013.210322T2131Z-210322T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
431 PM CDT Mon Mar 22 2021

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Schleicher County in west central Texas...
  Northwestern Kimble County in west central Texas...
  Southwestern Menard County in west central Texas...
  Northern Sutton County in west central Texas...

* Until 515 PM CDT.

* At 431 PM CDT, a severe thunderstorm was located near Sonora,
  moving rapidly east at 65 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Schleicher, northwestern Kimble, southwestern Menard
  and northern Sutton Counties, including the following locations...
  The Intersection Of Ranch Road 2596 And Ranch Road 864.

This includes Interstate 10 between Mile Markers 395 and 421.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3042 10076 3059 10081 3080 10003 3051 9999
TIME...MOT...LOC 2131Z 254DEG 58KT 3053 10069 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
758 
WWUS54 KSJT 222153
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
453 PM CDT Mon Mar 22 2021

TXC267-327-413-435-222215-
/O.CON.KSJT.SV.W.0013.000000T0000Z-210322T2215Z/
Schleicher TX-Kimble TX-Menard TX-Sutton TX-
453 PM CDT Mon Mar 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR SOUTHEASTERN SCHLEICHER...NORTHWESTERN KIMBLE...SOUTHWESTERN
MENARD AND NORTHEASTERN SUTTON COUNTIES...

At 453 PM CDT, a severe thunderstorm was located 17 miles northwest 
of Roosevelt, or 21 miles east of Sonora, moving rapidly east at 65 
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
The Intersection Of Ranch Road 2596 And Ranch Road 864.

This includes Interstate 10 between Mile Markers 410 and 420.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3047 10047 3066 10052 3080 10003 3051 9999
TIME...MOT...LOC 2153Z 254DEG 58KT 3063 10029 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 5:21 AM CDTWind AdvisorySJTCoke, Fisher, Nolan, Sterling15 hr
Mar 22, 2:07 PM CDTSpecial Weather StatementSJTCrockett38 min
Mar 22, 2:30 PM CDTSevere Thunderstorm WarningSJTCrockett30 min
Mar 22, 3:43 PM CDTSpecial Weather StatementSJTConcho32 min
Mar 22, 4:25 PM CDTSpecial Weather StatementSJTSutton35 min
Mar 22, 4:27 PM CDTSpecial Weather StatementSJTColeman33 min
Mar 22, 5:13 PM CDTSpecial Weather StatementSJTMenard47 min
Mar 22, 5:15 PM CDTSpecial Weather StatementSJTShackelford30 min
Mar 22, 5:42 PM CDTSevere Thunderstorm WarningSJTMcCulloch, Mason, Menard, San Saba48 min
Mar 22, 6:27 PM CDTDust Storm WarningSJTCoke, Fisher, Nolan, Sterling63 min
Mar 22, 6:32 PM CDTSevere Thunderstorm WarningSJTSan Saba28 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; radar from the NEXRAD Level II archive.