Alert archive / Texas / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 40
The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2016, 7:58 AM CST for 14 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2016, 7:58 AM CST (13:58 UTC)
- Expired
- Mar 9, 2016, 12:00 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Aransas County, TX, Bee County, TX, Brazoria County, TX, Calhoun County, TX, Fort Bend County, TX, Goliad County, TX, Jackson County, TX, Kleberg County, TX, Matagorda County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Wharton County, TX
The radar
The Corpus Christi radar (KCRP), 99 km from the middle of the area, began a volume at 14:02 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
- 20%
- 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
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 7:58 AM CST | Severe Thunderstorm Warning | CRP | Aransas, Refugio, San Patricio | 47 min |
| Mar 9, 8:25 AM CST | Flash Flood Warning | CRP | Aransas, Bee, Calhoun, Goliad, Refugio, San Patricio and 1 more | 3 hr |
| Mar 9, 8:33 AM CST | Severe Thunderstorm Warning | CRP | Aransas, Calhoun, Goliad, Refugio, Victoria | 42 min |
| Mar 9, 8:57 AM CST | Flash Flood Warning | CRP | Kleberg | 3 hr |
| Mar 9, 9:19 AM CST | Severe Thunderstorm Warning | CRP | Calhoun, Victoria | 26 min |
| Mar 9, 10:29 AM CST | Flash Flood Warning | CRP | Kleberg, Nueces | 3 hr |
| Mar 9, 10:35 AM CST | Flash Flood Warning | CRP | San Patricio | 3 hr |
| Mar 9, 11:27 AM CST | Flash Flood Warning | CRP | Aransas, Kleberg, Nueces, Refugio, San Patricio | 2 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 2.0 hours before the alert went out and 93 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
- 1989 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 8.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 6:25 PM CST | Mesoscale Discussion | SPC | Bandera, Brooks, Dimmit, Duval, Edwards, Frio and 13 more | 3 hr |
| Mar 8, 7:03 PM CST | Severe Thunderstorm Watch | SPC | Aransas, Atascosa, Bandera, Bastrop, Bee, Bexar and 46 more | 9 hr |
| Mar 8, 7:07 PM CST | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 37 more | 113 min |
| Mar 8, 9:26 PM CST | Mesoscale Discussion | SPC | Aransas, Atascosa, Bandera, Bastrop, Bee, Bell and 44 more | 2 hr |
| Mar 8, 11:54 PM CST | Mesoscale Discussion | SPC | Aransas, Atascosa, Austin, Bastrop, Bee, Bell and 63 more | 2 hr |
| Mar 9, 3:59 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Austin, Brazos, Burleson, Cherokee and 23 more | 3 hr |
| Mar 9, 7:29 AM CST | Mesoscale Discussion | SPC | Angelina, Aransas, Austin, Bee, Brazoria, Brooks and 47 more | 2 hr |
| Mar 9, 10:07 AM CST | Mesoscale Discussion | SPC | Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 2 more | 2 hr |
| Mar 9, 10:29 AM CST | Mesoscale Discussion | SPC | Aransas, Brazoria, Calhoun, Fort Bend, Harris, Jackson and 6 more | 91 min |
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.