Alert archive / Texas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 100, NWS Austin/San Antonio, TX

May 21, 20225 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 21, 2022, 8:48 PM CDT for 5 counties in Texas. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 21, 2022, 8:48 PM CDT (01:48 UTC)
Expired
May 21, 2022, 9:45 PM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.5 in
Wind
70.0 mph

Counties Atascosa County, TX, Bandera County, TX, Bexar County, TX, Frio County, TX, Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 98 km from the middle of the area, began a volume at 01:52 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 21, 3:30 PM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.8 hours before the alert went out and 188 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 2022-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1637 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2022-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
1637 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
2821 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 8:27 PM CDT, 21 minutes earlier.

Area forecast discussion, May 21, 8:27 PM CDT, 21 minutes before
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Hazardous weather outlook, May 21, 8:29 PM CDT, 19 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Austin/San Antonio TX
829 PM CDT Sat May 21 2022

TXZ171>173-183>194-202>209-217>225-228-230130-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
829 PM CDT Sat May 21 2022

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Tonight.

Scattered thunderstorms will be possible across much of the area
this evening through the overnight hours. Some of this activity
could be severe with large hail and damaging winds the main
threat. A Severe Thunderstorm Watch is in effect for parts of the
Hill Country, southern Edwards Plateau, Rio Grande and I-35
corridor through 11 PM tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional strong to possible severe thunderstorms can be expected
on Monday. In addition, locally heavy rainfall is possible Monday
and again on Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to submit severe weather reports to the
National Weather Service.

In the hours before

Local storm report, May 21, 7:24 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
724 PM CDT SAT MAY 21 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     HAIL             2 NNE HUNT              30.10N 99.33W
05/21/2022  E1.50 INCH       KERR               TX   COCORAHS

            COCORAHS OBSERVER REPORTS HAIL UP TO PING
            PONG BALL SIZE.

&&

EMP
Local storm report, May 21, 7:58 PM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
758 PM CDT SAT MAY 21 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0740 PM     HAIL             5 N MEDINA              29.88N 99.25W
05/21/2022  E1.75 INCH       BANDERA            TX   PUBLIC

            COOPERATIVE OBSERVER RELAYED A REPORT OF
            GOLF BALL SIZED HAIL.

&&

EMP
Special weather statement, May 21, 7:58 PM CDT, 50 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
758 PM CDT Sat May 21 2022

TXZ187-204-220145-
Medina TX-Bandera TX-
758 PM CDT Sat May 21 2022

...A strong thunderstorm will impact portions of northwestern Medina
and southwestern Bandera Counties through 845 PM CDT...

At 758 PM CDT, Doppler radar was tracking a strong thunderstorm near
Vanderpool, moving east at 10 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Tarpley and Hill Country State Natural Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Texas.

&&

LAT...LON 2971 9917 2953 9931 2959 9941 2963 9941
      2963 9949 2966 9955 2984 9950
TIME...MOT...LOC 0058Z 291DEG 7KT 2973 9945

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

BRADY
Local storm report, May 21, 8:24 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
824 PM CDT SAT MAY 21 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0805 PM     HAIL             5 SE MEDINA             29.76N 99.19W
05/21/2022  E1.75 INCH       BANDERA            TX   PUBLIC

            SOCIAL MEDIA REPORT OF QUARTER TO GOLF BALL
            SIZED HAIL BETWEEN MEDINA AND BANDERA.

&&

EMP
Special weather statement, May 21, 8:25 PM CDT, 23 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
825 PM CDT Sat May 21 2022

TXZ188>190-205-206-220230-
Comal TX-Bexar TX-Blanco TX-Gillespie TX-Kendall TX-
825 PM CDT Sat May 21 2022

...Strong thunderstorms will impact portions of Blanco, eastern
Gillespie, Kendall, north central Bexar and west central Comal
Counties through 930 PM CDT...

At 825 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Willow City to near Nelson City. Movement
was southeast at 15 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Boerne, Fredericksburg, Comfort, Blanco, Round Mountain, Fair Oaks
Ranch, Bulverde, Cross Mountain, Johnson City, Stonewall, Walnut
Grove, Guadalupe River State Park, Kendalia, Blowout, The Dominion,
Rocky Hill, Sisterdale, Rocky Creek, Kreutzberg and Welfare.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Texas.

&&

LAT...LON 3045 9823 3045 9822 2963 9858 2982 9892
      2994 9892 3050 9883
TIME...MOT...LOC 0125Z 300DEG 14KT 3036 9871 2989 9884

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

BRADY
Local storm report, May 21, 8:29 PM CDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
829 PM CDT SAT MAY 21 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0751 PM     HAIL             1 SSE MEDINA            29.78N 99.24W
05/21/2022  E0.50 INCH       BANDERA            TX   COCORAHS

            COCORAHS OBSERVER REPORTS HALF INCH DIAMETER
            HAIL.

&&

EMP

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 7:05 PM CDTSevere Thunderstorm WarningEWXBandera, Kerr55 min
May 21, 7:15 PM CDTSpecial Weather StatementEWXReal60 min
May 21, 7:55 PM CDTSevere Thunderstorm WarningEWXBandera, Kendall, Kerr, Medina65 min
May 21, 7:58 PM CDTSpecial Weather StatementEWXBandera47 min
May 21, 8:01 PM CDTSevere Thunderstorm WarningEWXReal40 min
May 21, 8:13 PM CDTSevere Thunderstorm WarningEWXBandera, Medina26 min
May 21, 8:22 PM CDTSevere Thunderstorm WarningEWXBexar, Medina68 min
May 21, 8:25 PM CDTSpecial Weather StatementEWXBlanco, Kendall65 min
May 21, 8:51 PM CDTSpecial Weather StatementEWXZavala39 min
May 21, 9:10 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio, Medina, Uvalde, Zavala65 min
May 21, 9:20 PM CDTSevere Thunderstorm Warning Considerable damage threatEWXBexar, Blanco, Comal, Guadalupe, Hays, Kendall55 min
May 21, 9:46 PM CDTSpecial Weather StatementEWXBexar44 min
May 21, 10:02 PM CDTSpecial Weather StatementEWXBurnet, Hays, Travis43 min
May 21, 10:09 PM CDTSevere Thunderstorm WarningEWXFrio, Zavala66 min
May 21, 10:14 PM CDTSpecial Weather StatementEWXComal, Guadalupe46 min
May 21, 10:33 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio57 min
May 21, 10:46 PM CDTSpecial Weather StatementEWXDimmit44 min
May 21, 10:58 PM CDTSevere Thunderstorm WarningEWXTravis, Williamson44 min
May 21, 11:19 PM CDTSpecial Weather StatementEWXFrio41 min
May 21, 11:25 PM CDTAreal Flood AdvisoryEWXTravis3 hr
May 21, 11:30 PM CDTSpecial Weather StatementEWXAtascosa45 min
May 22, 12:23 AM CDTSpecial Weather StatementEWXAtascosa52 min
May 22, 12:34 AM CDTSpecial Weather StatementEWXKinney41 min
May 22, 12:55 AM CDTSevere Thunderstorm Warning Considerable damage threatEWXKinney, Maverick45 min
May 22, 1:47 AM CDTSpecial Weather StatementEWXDeWitt, Karnes43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2022Every severe thunderstorm warning in 2022

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.