Alert archive / Louisiana / Tornado Watches in 2009

Tornado Watch 61

March 24, 200917 parishes in Louisiana; 5 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 24, 2009, 11:25 PM CDT for 17 parishes in Louisiana; 5 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 24, 2009, 11:25 PM CDT (04:25 UTC)
Expired
Mar 25, 2009, 4:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 22 counties

Avoyelles Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Rapides Parish, LA, Richland Parish, LA, Sabine Parish, LA, Tensas Parish, LA, Vernon Parish, LA, Winn Parish, LA, Jasper County, TX, Newton County, TX, Sabine County, TX, San Augustine County, TX, Tyler County, TX

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
30%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
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.

IssuedProductOfficeCountiesLasted
Mar 25, 1:52 AM CDTSevere Thunderstorm WarningJANFranklin, Madison, Tensas38 min
Mar 25, 2:10 AM CDTSevere Thunderstorm WarningJANCatahoula, Concordia50 min
Mar 25, 3:11 AM CDTSevere Thunderstorm WarningJANEast Carroll, Madison31 min
Mar 25, 3:25 AM CDTSevere Thunderstorm WarningJANConcordia50 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.

IssuedProductOfficeCountiesLasted
Mar 24, 7:30 PM CDTMesoscale DiscussionSPCBienville, Caldwell, De Soto, Franklin, Grant, Jackson and 10 more2 hr
Mar 25, 2:20 AM CDTMesoscale DiscussionSPCAvoyelles, Catahoula, Concordia, Franklin, LaSalle, Madison and 2 more85 min
Mar 25, 2:42 PM CDTMesoscale DiscussionSPCBienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 1 more93 min
Mar 25, 5:29 PM CDTMesoscale DiscussionSPCAvoyelles, Caldwell, Catahoula, Concordia, Grant, LaSalle and 6 more91 min
Mar 25, 5:40 PM CDTTornado WatchSPCBienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 13 more6 hr
Mar 25, 12:08 PM CDTMesoscale DiscussionSPCForrest, Greene, Jones, Lamar, Pearl River, Perry and 2 more67 min
Mar 25, 10:55 AM CDTMesoscale DiscussionSPCAnderson, Bell, Blanco, Bosque, Brown, Burleson and 40 more65 min
Mar 25, 11:27 AM CDTSevere Thunderstorm WatchSPCBell, Bosque, Brown, Callahan, Coke, Coleman and 47 more7 hr
Mar 25, 12:51 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bandera, Bastrop, Bexar, Blanco and 48 more114 min
Mar 25, 1:48 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coleman, Collin, Comanche and 31 more87 min
Mar 25, 2:06 PM CDTTornado WatchSPCAnderson, Bandera, Bastrop, Bexar, Blanco, Brazos and 36 more7 hr
Mar 25, 3:47 PM CDTMesoscale DiscussionSPCCoryell, Ellis, Falls, Freestone, Henderson, Hill and 8 more88 min
Mar 25, 3:57 PM CDTMesoscale DiscussionSPCBandera, Bastrop, Bexar, Blanco, Brazos, Burleson and 31 more93 min

Nearby

Tornado Watches in Louisiana, 2009Tornado Watches in Texas, 2009Every tornado watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.