Alert archive / Texas / Severe Thunderstorm Watches in 2020

Severe Thunderstorm Watch 233

May 28, 202022 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 28, 2020, 2:26 PM CDT for 22 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 28, 2020, 2:26 PM CDT (19:26 UTC)
Expired: May 28, 2020, 7:35 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 22 counties

Atascosa County, TX, Bandera County, TX, Bexar County, TX, Blanco County, TX, Comal County, TX, Dimmit County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Wilson County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 51 km from the middle of the area, began a volume at 19:27 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 10%
One or more EF2 to EF5 tornadoes: 2%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
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, 3:54 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, 4:28 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, 5:05 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Uvalde, Val Verde	55 min
May 28, 5:25 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	21 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

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 7:11 PM CDT	Mesoscale Discussion	SPC	Bexar, Comal, Guadalupe, Kendall, Wilson	2 hr
May 27, 9:35 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, DeWitt, Frio, Gonzales and 5 more	115 min
May 28, 1:44 PM CDT	Mesoscale Discussion	SPC	Bandera, Bexar, Concho, Crockett, Edwards, Gillespie and 19 more	2 hr
May 28, 3:01 PM CDT	Mesoscale Discussion	SPC	Galveston	119 min
May 28, 6:29 PM CDT	Mesoscale Discussion	SPC	Aransas, Atascosa, Bee, Caldwell, Calhoun, Colorado and 22 more	2 hr

Nearby

Severe Thunderstorm Watches in Texas, 2020 Every severe thunderstorm watch 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; radar from the NEXRAD Level II archive.