Alert archive / Texas / Severe Thunderstorm Watches in 2017
Severe Thunderstorm Watch 293
The Storm Prediction Center issued this severe thunderstorm watch at May 28, 2017, 3:09 PM CDT for 64 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 28, 2017, 3:09 PM CDT (20:09 UTC)
- Expired
- May 28, 2017, 11:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 64 counties
Anderson County, TX, Atascosa County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, Coryell County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Falls County, TX, Fayette County, TX, Freestone County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hays County, TX, Henderson County, TX, Houston County, TX, Karnes County, TX, Kaufman County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, Maverick County, TX, McLennan County, TX, Medina County, TX, Milam County, TX, Montgomery County, TX, Navarro County, TX, Polk County, TX, Rains County, TX, Real County, TX, Robertson County, TX, San Jacinto County, TX, Travis County, TX, Trinity County, TX, Uvalde County, TX, Val Verde County, TX, Van Zandt County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 82 km from the middle of the area, began a volume at 20:10 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
- 50%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
53 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 3:13 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Val Verde | 77 min |
| May 28, 3:18 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins, Hunt, Kaufman, Rains, Van Zandt | 57 min |
| May 28, 3:25 PM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Real, Val Verde | 4 hr |
| May 28, 3:57 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 78 min |
| May 28, 4:12 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 78 min |
| May 28, 4:26 PM CDT | Severe Thunderstorm Warning | FWD | Anderson | 49 min |
| May 28, 4:31 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Val Verde | 74 min |
| May 28, 4:49 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 17 min |
| May 28, 4:54 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie | 47 min |
| May 28, 4:57 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 46 min |
| May 28, 5:29 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Real | 31 min |
| May 28, 5:33 PM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real, Uvalde | 3 hr |
| May 28, 5:40 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 80 min |
| May 28, 5:41 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Val Verde | 79 min |
| May 28, 5:42 PM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Gillespie, Kerr | 4 hr |
| May 28, 5:46 PM CDT | Severe Thunderstorm Warning | FWD | Falls, Robertson | 59 min |
| May 28, 5:53 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 37 min |
| May 28, 6:04 PM CDT | Severe Thunderstorm Warning | FWD | Falls, Milam | 41 min |
| May 28, 6:12 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 48 min |
| May 28, 6:23 PM CDT | Severe Thunderstorm Warning | FWD | Milam, Robertson | 82 min |
| May 28, 6:28 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr | 62 min |
| May 28, 6:33 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 57 min |
| May 28, 6:36 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 69 min |
| May 28, 6:42 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 48 min |
| May 28, 6:44 PM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Val Verde | 4 hr |
| May 28, 6:57 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Madison | 33 min |
| May 28, 7:00 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays, Travis | 60 min |
| May 28, 7:05 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 25 min |
| May 28, 7:07 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Comal, Kendall | 38 min |
| May 28, 7:16 PM CDT | Flash Flood Warning | FWD | Falls, Milam, Robertson | 3 hr |
| May 28, 7:18 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 57 min |
| May 28, 7:28 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes | 32 min |
| May 28, 7:41 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 19 min |
| May 28, 7:41 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Comal, Guadalupe, Hays | 49 min |
| May 28, 7:45 PM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 45 min |
| May 28, 7:48 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Frio, Zavala | 72 min |
| May 28, 7:49 PM CDT | Flash Flood Warning | HGX | Houston | 2 hr |
| May 28, 7:55 PM CDT | Flash Flood Warning | FWD | Lampasas | 3 hr |
| May 28, 7:55 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 24 min |
| May 28, 8:03 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee | 20 min |
| May 28, 8:09 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 66 min |
| May 28, 8:18 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 27 min |
| May 28, 8:28 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays | 47 min |
| May 28, 8:29 PM CDT | Flash Flood Warning | HGX | Houston | 3 hr |
| May 28, 8:33 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Houston, Madison, Walker | 42 min |
| May 28, 8:37 PM CDT | Severe Thunderstorm Warning | EWX | Zavala | 53 min |
| May 28, 8:40 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Washington | 31 min |
| May 28, 8:53 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson, Grimes, Washington | 26 min |
| May 28, 8:59 PM CDT | Severe Thunderstorm Warning | EWX | Zavala | 47 min |
| May 28, 9:07 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 23 min |
| May 28, 9:09 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Houston, Madison, Montgomery, Trinity, Walker | 51 min |
| May 28, 9:28 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick | 18 min |
| May 28, 10:05 PM CDT | Flash Flood Warning | HGX | Houston | 85 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Del Rio, TX (KDLF), launched 12:00Z, 8.2 hours before the alert went out and 225 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.
- Mixed-layer CAPE
- 3017 J/kg
- Mixed-layer CIN
- -339 J/kg
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:12 PM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Ochiltree, Sherman | 2 hr |
| May 27, 9:07 PM CDT | Mesoscale Discussion | SPC | Hansford, Hemphill, Hutchinson, Lipscomb, Ochiltree, Roberts and 1 more | 53 min |
| May 27, 11:47 PM CDT | Mesoscale Discussion | SPC | Clay, Cooke, Fannin, Grayson, Lamar, Montague and 1 more | 58 min |
| May 28, 12:06 AM CDT | Severe Thunderstorm Watch | SPC | Bowie, Collin, Cooke, Denton, Fannin, Grayson and 4 more | 5 hr |
| May 28, 2:53 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Collin, Cooke, Delta and 16 more | 2 hr |
| May 28, 4:59 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Collin, Delta, Denton and 7 more | 2 hr |
| May 28, 1:34 PM CDT | Mesoscale Discussion | SPC | Bastrop, Bell, Bexar, Blanco, Burnet, Caldwell and 18 more | 56 min |
| May 28, 5:01 PM CDT | Mesoscale Discussion | SPC | Gregg, Harrison, Marion, Nacogdoches, Panola, Rusk and 1 more | 59 min |
| May 28, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | Angelina, Cherokee, Gregg, Harrison, Marion, Nacogdoches and 6 more | 4 hr |
| May 28, 6:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Bandera, Bastrop, Bell, Bexar, Blanco and 40 more | 57 min |
Nearby
Severe Thunderstorm Watches in Texas, 2017Every severe thunderstorm watch in 2017
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.