Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 167, NWS Austin/San Antonio, TX

June 5, 2021Comal County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 5, 2021, 1:51 PM CDT for Comal County, Texas. It was in force for 28 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
Jun 5, 2021, 1:51 PM CDT (18:51 UTC)
Expired
Jun 5, 2021, 2:19 PM CDT
In force
28 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Comal County, TX

The radar

The Austin/San Antonio radar (KEWX), 18 km from the middle of the area, began a volume at 18:52 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
Jun 5, 2:20 PM CDTTSTM WND GST 50San Gabriel Lane, New B, TXNWS REPORTED A 50 MPH WIND GUST.

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

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 6.9 hours before the alert went out and 239 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, Corpus Christi, TX at 12:00Z on 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 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, Corpus Christi, TX at 12:00Z on 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
1067 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WUUS54 KEWX 051851
SVREWX
TXC091-051945-
/O.NEW.KEWX.SV.W.0167.210605T1851Z-210605T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
151 PM CDT Sat Jun 5 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Southeastern Comal County in south central Texas...

* Until 245 PM CDT.

* At 150 PM CDT, a severe thunderstorm was located near Garden Ridge,
  or 7 miles west of New Braunfels, and is nearly stationary.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  New Braunfels, Canyon Lake, Startzville and Gruene. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2966 9820 2970 9832 2989 9830 2978 9802
TIME...MOT...LOC 1850Z 205DEG 2KT 2971 9823 

HAIL...1.00IN
WIND...<50MPH
 
$$

BRADY
1 follow-up statement
628 
WWUS54 KEWX 051919
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
219 PM CDT Sat Jun 5 2021

TXC091-051928-
/O.CAN.KEWX.SV.W.0167.000000T0000Z-210605T1945Z/
Comal TX-
219 PM CDT Sat Jun 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COMAL COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 2966 9820 2970 9832 2989 9830 2978 9802
TIME...MOT...LOC 1918Z 205DEG 2KT 2972 9822 

$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 9:41 PM CDTAreal Flood AdvisoryEWXBurnet, Williamson2 hr
Jun 4, 9:47 PM CDTAreal Flood AdvisoryEWXBlanco, Hays118 min
Jun 4, 10:37 PM CDTAreal Flood AdvisoryEWXBlanco, Comal, Kendall113 min
Jun 5, 1:46 PM CDTSpecial Weather StatementEWXComal44 min
Jun 5, 2:05 PM CDTAreal Flood AdvisoryEWXTravis115 min
Jun 5, 2:12 PM CDTAreal Flood AdvisoryEWXBexar, Comal2 hr
Jun 5, 2:23 PM CDTSpecial Weather StatementEWXComal52 min
Jun 5, 2:42 PM CDTFlash Flood Warning Considerable damage threatEWXBexar, Comal3 hr
Jun 5, 3:17 PM CDTSpecial Weather StatementEWXBexar43 min
Jun 5, 3:25 PM CDTAreal Flood AdvisoryEWXBexar, Comal, Guadalupe, Wilson3 hr
Jun 5, 3:27 PM CDTAreal Flood AdvisoryEWXTravis2 hr
Jun 5, 3:57 PM CDTSpecial Weather StatementEWXGuadalupe48 min
Jun 5, 4:12 PM CDTAreal Flood AdvisoryEWXGillespie2 hr
Jun 5, 4:27 PM CDTSpecial Weather StatementEWXGillespie63 min
Jun 5, 4:42 PM CDTSpecial Weather StatementEWXGonzales48 min
Jun 5, 4:53 PM CDTAreal Flood AdvisoryEWXDeWitt, Lavaca3 hr
Jun 5, 4:58 PM CDTAreal Flood AdvisoryEWXBlanco, Gillespie, Llano2 hr
Jun 5, 5:22 PM CDTSpecial Weather StatementEWXDeWitt38 min
Jun 5, 5:28 PM CDTSpecial Weather StatementEWXDeWitt47 min
Jun 5, 6:12 PM CDTAreal Flood AdvisoryEWXDeWitt2 hr
Jun 5, 6:15 PM CDTAreal Flood AdvisoryEWXFayette3 hr
Jun 5, 6:35 PM CDTAreal Flood AdvisoryEWXBastrop, Fayette3 hr

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.