Alert archive / Texas / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 74
The Storm Prediction Center issued this severe thunderstorm watch at Mar 31, 2013, 2:48 PM CDT for 5 parishes in Louisiana; 10 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2013, 2:48 PM CDT (19:48 UTC)
- Expired
- Mar 31, 2013, 8:03 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Cameron Parish, LA, Iberia Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Brazoria County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Harris County, TX, Jefferson County, TX, Liberty County, TX, Orange County, TX, Wharton County, TX
The radar
The Lake Charles radar (KLCH), 30 km from the middle of the area, began a volume at 19:51 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
- 5%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 3:08 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty, Montgomery, San Jacinto | 37 min |
| Mar 31, 3:42 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Liberty, Montgomery | 48 min |
| Mar 31, 4:44 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Liberty | 46 min |
| Mar 31, 4:50 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 25 min |
| Mar 31, 5:06 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Harris | 24 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 |
|---|---|---|---|---|
| Mar 31, 7:36 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 3 more | 114 min |
| Mar 31, 9:20 AM CDT | Severe Thunderstorm Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 5 hr |
| Mar 31, 10:33 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 5 more | 57 min |
| Mar 31, 11:54 AM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 20 more | 36 min |
| Mar 31, 12:17 PM CDT | Severe Thunderstorm Watch | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 32 more | 6 hr |
| Mar 31, 2:32 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Calcasieu, Caldwell, Catahoula and 21 more | 58 min |
| Mar 31, 3:21 PM CDT | Mesoscale Discussion | SPC | Jefferson, Orleans, Saint Charles, Saint James, Saint John the Baptist, Saint Tammany and 1 more | 54 min |
| Mar 31, 3:38 PM CDT | Severe Thunderstorm Watch | SPC | Assumption, Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard and 5 more | 3 hr |
| Mar 30, 8:14 PM CDT | Mesoscale Discussion | SPC | Clay, Montague, Wichita, Wilbarger | 91 min |
| Mar 31, 1:13 AM CDT | Mesoscale Discussion | SPC | Wheeler | 62 min |
| Mar 31, 4:54 AM CDT | Mesoscale Discussion | SPC | Clay, Collin, Cooke, Delta, Denton, Fannin and 8 more | 96 min |
| Mar 31, 5:10 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bosque, Bowie, Camp, Cass, Cherokee and 44 more | 7 hr |
| Mar 31, 1:00 PM CDT | Mesoscale Discussion | SPC | Austin, Bandera, Bastrop, Bexar, Blanco, Brazos and 32 more | 60 min |
| Mar 31, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Austin, Bandera, Bastrop, Bell, Bexar and 47 more | 9 hr |
| Mar 31, 5:24 PM CDT | Mesoscale Discussion | SPC | Atascosa, Brazoria, Chambers, DeWitt, Dimmit, Fort Bend and 18 more | 96 min |
| Mar 31, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Bee, Duval, Jim Wells, Kleberg, La Salle, Live Oak and 4 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2013Severe Thunderstorm Watches in Louisiana, 2013Every severe thunderstorm watch in 2013
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.