Alert archive / Texas / Severe Thunderstorm Watches in 2014
Severe Thunderstorm Watch 57
The Storm Prediction Center issued this severe thunderstorm watch at Apr 3, 2014, 11:52 PM CDT for 18 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2014, 11:52 PM CDT (04:52 UTC)
- Expired
- Apr 4, 2014, 8:11 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Atascosa County, TX, Bee County, TX, Dimmit County, TX, Duval County, TX, Frio County, TX, Goliad County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, San Patricio County, TX, Uvalde County, TX, Webb County, TX, Wilson County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 134 km from the middle of the area, began a volume at 04:55 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 40%
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 |
|---|---|---|---|---|
| Apr 4, 12:30 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 45 min |
| Apr 4, 12:32 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 58 min |
| Apr 4, 1:22 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio, Medina | 38 min |
| Apr 4, 2:03 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 42 min |
| Apr 4, 2:26 AM CDT | Severe Thunderstorm Warning | CRP | La Salle, McMullen | 49 min |
| Apr 4, 3:06 AM CDT | Severe Thunderstorm Warning | CRP | La Salle | 54 min |
| Apr 4, 3:11 AM CDT | Severe Thunderstorm Warning | CRP | Jim Wells, Live Oak, McMullen | 49 min |
| Apr 4, 3:15 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 45 min |
| Apr 4, 3:55 AM CDT | Severe Thunderstorm Warning | CRP | Jim Wells, Live Oak, Nueces, San Patricio | 50 min |
| Apr 4, 4:32 AM CDT | Severe Thunderstorm Warning | CRP | La Salle | 43 min |
| Apr 4, 4:39 AM CDT | Severe Thunderstorm Warning | CRP | Kleberg, Nueces | 51 min |
| Apr 4, 5:34 AM CDT | Severe Thunderstorm Warning | CRP | Webb | 41 min |
| Apr 4, 6:03 AM CDT | Severe Thunderstorm Warning | CRP | Duval, Webb | 42 min |
| Apr 4, 6:33 AM CDT | Severe Thunderstorm Warning | CRP | Webb | 27 min |
| Apr 4, 6:45 AM CDT | Severe Thunderstorm Warning | CRP | Duval, Webb | 45 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 00:00Z, 4.9 hours before the alert went out and 187 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
- 1322 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 2705 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Bell, Bosque, Bowie, Camp, Cass and 49 more | 57 min |
| Apr 3, 7:18 PM CDT | Mesoscale Discussion | SPC | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 11 more | 57 min |
| Apr 3, 7:35 PM CDT | Severe Thunderstorm Watch | SPC | Bandera, Bastrop, Blanco, Burnet, Caldwell, Comal and 9 more | 2 hr |
| Apr 3, 8:44 PM CDT | Mesoscale Discussion | SPC | Anderson, Bowie, Camp, Cass, Cherokee, Collin and 32 more | 31 min |
| Apr 3, 8:54 PM CDT | Tornado Watch | SPC | Bowie, Camp, Cass, Cherokee, Delta, Fannin and 22 more | 7 hr |
| Apr 4, 12:55 AM CDT | Mesoscale Discussion | SPC | Gregg, Harrison, Henderson, Marion, Panola, Rusk and 4 more | 95 min |
| Apr 4, 2:40 AM CDT | Mesoscale Discussion | SPC | Angelina, Austin, Brazoria, Brazos, Burleson, Chambers and 26 more | 2 hr |
| Apr 4, 2:58 AM CDT | Mesoscale Discussion | SPC | Atascosa, Bee, Dimmit, Frio, Karnes, La Salle and 3 more | 92 min |
| Apr 4, 3:34 AM CDT | Severe Thunderstorm Watch | SPC | Angelina, Austin, Brazoria, Brazos, Burleson, Chambers and 24 more | 6 hr |
| Apr 4, 5:49 AM CDT | Mesoscale Discussion | SPC | Angelina, Austin, Chambers, Hardin, Harris, Jasper and 17 more | 56 min |
| Apr 4, 6:12 AM CDT | Mesoscale Discussion | SPC | Bee, Brooks, Cameron, Duval, Hidalgo, Jim Hogg and 12 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2014Every severe thunderstorm watch in 2014
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.