Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 27, NWS Austin/San Antonio, TX

March 24, 2021Edwards County, Kerr County, Real County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 24, 2021, 11:59 PM CDT for Edwards County, Kerr County, Real 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
Mar 24, 2021, 11:59 PM CDT (04:59 UTC)
Expired
Mar 25, 2021, 12:45 AM CDT
In force
46 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Edwards County, TX, Kerr County, TX, Real County, TX

The radar

The Laughlin AFB radar (KDFX), 83 km from the middle of the area, began a volume at 05:03 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, 9:52 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.0 hours before the alert went out and 108 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 479 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897117136Sfc1 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
479 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
2767 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

510 
WUUS54 KEWX 250459
SVREWX
TXC137-265-385-250545-
/O.NEW.KEWX.SV.W.0027.210325T0459Z-210325T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1159 PM CDT Wed Mar 24 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northwestern Kerr County in south central Texas...
  Central Edwards County in south central Texas...
  Real County in south central Texas...

* Until 1245 AM CDT.

* At 1159 PM CDT, a severe thunderstorm was located 11 miles east of
  Rocksprings, moving east at 30 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...
  Rocksprings, Camp Wood, Vance, Barksdale, Us-83 Near The Kerr-
  Kimble County Line, Us-377 Near The Kimble-
  Edwards County Line, Prade Ranch and Devil's Sinkhole State Natural
  Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CDT for south central
Texas.

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

&&

A Tornado Watch remains in effect until 400 AM CDT for south central
Texas.

LAT...LON 3029 9971 3013 9961 2981 9970 2964 10001
      2971 10005 2972 10003 2980 10003 2980 10057
      3012 10014 3029 10001
TIME...MOT...LOC 0459Z 252DEG 24KT 3004 10003 

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

HAMPSHIRE
2 follow-up statements
071 
WWUS54 KEWX 250519
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1219 AM CDT Thu Mar 25 2021

TXC137-265-385-250545-
/O.CON.KEWX.SV.W.0027.000000T0000Z-210325T0545Z/
Kerr TX-Edwards TX-Real TX-
1219 AM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN KERR...SOUTHEASTERN EDWARDS AND REAL COUNTIES...

At 1219 AM CDT, a severe thunderstorm was located 17 miles south of
Telegraph, or 21 miles east of Rocksprings, moving east at 30 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...
Camp Wood, Vance, Barksdale, Devil's Sinkhole State Natural Area, Us-
83 Near The Kerr-Kimble County Line and Prade Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CDT for south central
Texas.

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

&&

LAT...LON 3029 9971 3013 9961 2981 9970 2964 10001
      2971 10005 2972 10003 2980 10003 2980 10057
      2987 10042 3008 10009 3024 9991
TIME...MOT...LOC 0519Z 253DEG 25KT 3008 9987 

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

HAMPSHIRE
147 
WWUS54 KEWX 250536
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1236 AM CDT Thu Mar 25 2021

TXC137-265-385-250545-
/O.CON.KEWX.SV.W.0027.000000T0000Z-210325T0545Z/
Kerr TX-Edwards TX-Real TX-
1236 AM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHWESTERN KERR...SOUTHEASTERN EDWARDS AND REAL COUNTIES...

At 1236 AM CDT, a severe thunderstorm was located 9 miles west of
Kerr Wildlife Management Area, or 26 miles south of Junction, moving
east at 40 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...
Camp Wood, Vance, Barksdale, Us-83 Near The Kerr-
Kimble County Line and Prade Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 400 AM CDT for south central
Texas.

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

&&

LAT...LON 3029 9971 3013 9961 2981 9970 2964 10001
      2971 10005 2972 10003 2980 10003 3004 9999
      3020 9978
TIME...MOT...LOC 0536Z 255DEG 33KT 3012 9965 

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

HAMPSHIRE

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 8:24 PM CDTSevere Thunderstorm WarningEWXEdwards47 min
Mar 24, 10:19 PM CDTSpecial Weather StatementEWXEdwards41 min
Mar 24, 10:29 PM CDTSevere Thunderstorm WarningEWXEdwards, Val Verde61 min
Mar 24, 11:06 PM CDTSevere Thunderstorm WarningEWXEdwards, Real, Val Verde54 min
Mar 24, 11:27 PM CDTSevere Thunderstorm WarningEWXGillespie, Llano63 min
Mar 24, 11:51 PM CDTSevere Thunderstorm WarningEWXEdwards, Kinney, Val Verde54 min
Mar 25, 12:44 AM CDTSevere Thunderstorm WarningEWXBandera, Edwards, Kinney, Real, Uvalde61 min
Mar 25, 1:44 AM CDTSevere Thunderstorm WarningEWXBandera, Kendall, Kerr, Medina, Real, Uvalde61 min
Mar 25, 2:44 AM CDTSpecial Weather StatementEWXKendall46 min
Mar 25, 3:24 AM CDTSpecial Weather StatementEWXBlanco36 min
Mar 25, 3:49 AM CDTSpecial Weather StatementEWXTravis41 min
Mar 25, 4:17 AM CDTSevere Thunderstorm WarningEWXTravis, Williamson32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.