Alert archive / Texas / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 179
The Storm Prediction Center issued this severe thunderstorm watch at May 16, 2016, 11:58 PM CDT for 13 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 16, 2016, 11:58 PM CDT (04:58 UTC)
- Expired
- May 17, 2016, 5:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Archer County, TX, Baylor County, TX, Briscoe County, TX, Childress County, TX, Clay County, TX, Cottle County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, Knox County, TX, Motley County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 81 km from the middle of the area, began a volume at 04:59 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
- 30%
- 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
- 50%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 12:46 AM CDT | Severe Thunderstorm Warning | LUB | Briscoe, Childress, Hall | 44 min |
| May 17, 1:24 AM CDT | Severe Thunderstorm Warning | OUN | Hardeman | 51 min |
| May 17, 1:25 AM CDT | Severe Thunderstorm Warning | LUB | Childress, Cottle | 35 min |
| May 17, 2:07 AM CDT | Severe Thunderstorm Warning | OUN | Clay, Wichita | 38 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 5.0 hours before the alert went out and 201 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
- 1214 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1620 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 240 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 16.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:23 PM CDT | Mesoscale Discussion | SPC | Carson, Collingsworth, Gray, Hansford, Hartley, Hemphill and 7 more | 67 min |
| May 17, 2:08 AM CDT | Mesoscale Discussion | SPC | Clay, Cooke, Foard, Hardeman, Montague, Wichita and 1 more | 2 hr |
| May 17, 1:52 PM CDT | Mesoscale Discussion | SPC | Bandera, Crane, Crockett, Edwards, Irion, Kerr and 8 more | 113 min |
| May 17, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bexar, Blanco, Brewster, Comal and 34 more | 13 hr |
| May 17, 5:18 PM CDT | Mesoscale Discussion | SPC | Bee, Duval, Jim Wells, Live Oak, Webb | 57 min |
| May 17, 5:38 PM CDT | Mesoscale Discussion | SPC | Bandera, Crockett, Dimmit, Edwards, Frio, Gillespie and 17 more | 97 min |
| May 17, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Brooks, Duval, Hidalgo, Jim Hogg, La Salle, McMullen and 3 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2016Every severe thunderstorm watch in 2016
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.