Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 195, NWS Austin/San Antonio, TX

May 28, 2020Gillespie County, Kendall County, Kerr County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 28, 2020, 2:15 PM CDT for Gillespie County, Kendall County, Kerr County, Texas. It was in force for 45 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 28, 2020, 2:15 PM CDT (19:15 UTC)
Expired: May 28, 2020, 3:00 PM CDT
In force: 45 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Gillespie County, TX, Kendall County, TX, Kerr County, TX

The radar

The Austin/San Antonio radar (KEWX), 104 km from the middle of the area, began a volume at 19:16 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 nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.3 hours before the alert went out and 195 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1784 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 743 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.6

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 28, 2:11 PM CDT, 4 minutes earlier.

Area forecast discussion, May 28, 2:11 PM CDT, 4 minutes before

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Hazardous weather outlook, May 28, 8:49 AM CDT, 5 hours 26 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
849 AM CDT Thu May 28 2020

TXZ171>173-183>194-202>209-217>225-228-291400-
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-
849 AM CDT Thu May 28 2020

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

.DAY ONE...Today And Tonight.

Scattered strong to severe thunderstorms are possible this
afternoon and evening along and west of a Kerrville to New
Braunfels to Cuero line. Main threats will include large hail and
damaging wind gusts. Brief heavy rainfall, especially from storms
that train over the same area, could cause localized flooding
issues.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

No hazardous weather expected for the extended forecast period at
this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:01 PM CDT	Tornado Warning	EWX	Gillespie, Kendall, Kerr	29 min
May 27, 7:16 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Gillespie	3 hr
May 27, 7:26 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Kendall	49 min
May 27, 7:30 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kerr	45 min
May 27, 7:36 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	54 min
May 27, 7:40 PM CDT	Special Weather Statement	EWX	Bastrop, Travis	50 min
May 27, 8:04 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Travis	56 min
May 27, 8:04 PM CDT	Tornado Warning	EWX	Bandera, Kendall, Kerr	26 min
May 27, 8:10 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Hays, Travis	50 min
May 27, 8:12 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe, Kendall	63 min
May 27, 8:29 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Kendall, Kerr, Medina	61 min
May 27, 8:43 PM CDT	Areal Flood Advisory	EWX	Gillespie, Kerr	3 hr
May 27, 8:45 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Real	45 min
May 27, 8:56 PM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, DeWitt, Fayette, Gonzales, Lavaca	64 min
May 27, 9:05 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Wilson	55 min
May 27, 9:16 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Medina	44 min
May 27, 9:21 PM CDT	Areal Flood Advisory	EWX	Bandera, Bexar, Medina	3 hr
May 27, 9:27 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina	48 min
May 27, 9:30 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr, Medina, Real, Uvalde	45 min
May 27, 9:51 PM CDT	Special Weather Statement	EWX	Lavaca	39 min
May 27, 9:56 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Fayette, Gonzales, Lavaca	7 min
May 27, 9:57 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Karnes, Wilson	63 min
May 27, 10:03 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt, Lavaca	25 min
May 27, 10:09 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina, Uvalde	66 min
May 27, 10:15 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Edwards, Kerr, Real	60 min
May 27, 10:47 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Gillespie	3 hr
May 27, 10:56 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Karnes	32 min
May 27, 11:06 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Medina, Real, Uvalde	54 min
May 27, 11:10 PM CDT	Severe Thunderstorm Warning	EWX	Frio	52 min
May 27, 11:14 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Real	61 min
May 27, 11:38 PM CDT	Areal Flood Advisory	EWX	Bandera, Edwards, Real	3 hr
May 27, 11:38 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	56 min
May 27, 11:56 PM CDT	Severe Thunderstorm Warning	EWX	Real, Uvalde	64 min
May 28, 12:14 AM CDT	Severe Thunderstorm Warning	EWX	Real, Uvalde	61 min
May 28, 12:19 AM CDT	Special Weather Statement	EWX	Lee	41 min
May 28, 12:36 AM CDT	Special Weather Statement	EWX	Williamson	39 min
May 28, 1:03 AM CDT	Severe Thunderstorm Warning	EWX	Uvalde	57 min
May 28, 1:57 AM CDT	Severe Thunderstorm Warning	EWX	Uvalde, Zavala	25 min
May 28, 2:37 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kendall, Kerr	38 min
May 28, 2:56 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Gillespie, Kerr, Real	64 min
May 28, 3:12 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Gillespie, Kerr	5 hr
May 28, 3:12 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Kerr	48 min
May 28, 3:36 PM CDT	Tornado Warning	EWX	Bandera, Kerr	39 min
May 28, 3:41 PM CDT	River Flood Warning	EWX	Gillespie	19 hr
May 28, 3:41 PM CDT	River Flood Warning	EWX	Blanco	32 hr
May 28, 3:54 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr	31 min
May 28, 4:12 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr, Medina	18 min
May 28, 4:22 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Real, Uvalde	53 min
May 28, 4:27 PM CDT	Special Weather Statement	EWX	Val Verde	33 min
May 28, 4:28 PM CDT	Severe Thunderstorm Warning	EWX	Real, Uvalde	21 min
May 28, 4:31 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Gillespie	4 hr
May 28, 4:42 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	24 min
May 28, 4:46 PM CDT	Special Weather Statement	EWX	Medina	59 min
May 28, 5:05 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Uvalde, Val Verde	55 min
May 28, 5:17 PM CDT	Special Weather Statement	EWX	Bexar, Wilson	58 min
May 28, 5:18 PM CDT	Special Weather Statement	EWX	Val Verde	27 min
May 28, 5:25 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	21 min
May 28, 5:27 PM CDT	Special Weather Statement	EWX	Kinney	48 min
May 28, 5:38 PM CDT	Severe Thunderstorm Warning	EWX	Bexar	27 min
May 28, 5:46 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	59 min
May 28, 5:55 PM CDT	Special Weather Statement	EWX	Kinney	50 min
May 28, 6:02 PM CDT	Special Weather Statement	EWX	Zavala	43 min
May 28, 6:23 PM CDT	Special Weather Statement	EWX	Gonzales	67 min
May 28, 6:29 PM CDT	Special Weather Statement	EWX	Williamson	61 min
May 28, 6:45 PM CDT	Special Weather Statement	EWX	Kinney	45 min
May 28, 6:47 PM CDT	Special Weather Statement	EWX	Maverick	43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

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.