Alert archive / Louisiana / Tornado Watches in 2023
Tornado Watch 87
The Storm Prediction Center issued this tornado watch at Mar 26, 2023, 12:44 PM CDT for 17 parishes in Louisiana; 10 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2023, 12:44 PM CDT (17:44 UTC)
- Expired
- Mar 26, 2023, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 27 counties
Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Natchitoches Parish, LA, Rapides Parish, LA, Sabine Parish, LA, Saint Landry Parish, LA, Tensas Parish, LA, Vernon Parish, LA, Winn Parish, LA, Angelina County, TX, Hardin County, TX, Jasper County, TX, Liberty County, TX, Newton County, TX, Polk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Tyler County, TX
The radar
The Ft Polk radar (KPOE), 16 km from the middle of the area, began a volume at 17:47 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
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
35 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 1:05 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, San Augustine | 55 min |
| Mar 26, 1:16 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 14 min |
| Mar 26, 1:35 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 25 min |
| Mar 26, 2:00 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Tyler | 15 min |
| Mar 26, 2:07 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 68 min |
| Mar 26, 2:14 PM CDT | Severe Thunderstorm Warning | LCH | Jasper, Newton, Tyler | 31 min |
| Mar 26, 2:36 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 24 min |
| Mar 26, 2:47 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 28 min |
| Mar 26, 2:48 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Madison, Tensas | 57 min |
| Mar 26, 2:53 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 67 min |
| Mar 26, 2:59 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 31 min |
| Mar 26, 3:15 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 18 min |
| Mar 26, 3:23 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Grant, LaSalle, Winn | 67 min |
| Mar 26, 3:29 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Richland | 40 min |
| Mar 26, 3:31 PM CDT | Tornado Warning | LCH | Beauregard, Vernon | 18 min |
| Mar 26, 3:36 PM CDT | Severe Thunderstorm Warning | SHV | Grant, LaSalle, Natchitoches, Winn | 54 min |
| Mar 26, 3:38 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Tensas | 67 min |
| Mar 26, 3:48 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Vernon | 27 min |
| Mar 26, 3:50 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 40 min |
| Mar 26, 4:11 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline, Rapides, Vernon | 34 min |
| Mar 26, 4:21 PM CDT | Tornado Warning | LCH | Allen, Evangeline, Rapides | 13 min |
| Mar 26, 4:21 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Grant, LaSalle, Winn | 30 min |
| Mar 26, 4:26 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 49 min |
| Mar 26, 4:28 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Franklin, Tensas | 62 min |
| Mar 26, 4:28 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 24 min |
| Mar 26, 4:32 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Rapides | 28 min |
| Mar 26, 4:56 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Rapides | 43 min |
| Mar 26, 5:11 PM CDT | Severe Thunderstorm Warning | JAN | Tensas | 48 min |
| Mar 26, 5:13 PM CDT | Severe Thunderstorm Warning | SHV | Grant, Natchitoches, Winn | 62 min |
| Mar 26, 5:18 PM CDT | Tornado Warning | LCH | Avoyelles | 27 min |
| Mar 26, 5:27 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 50 min |
| Mar 26, 5:38 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles | 22 min |
| Mar 26, 6:08 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Grant, LaSalle, Winn | 52 min |
| Mar 26, 6:19 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Franklin, Madison, Richland, West Carroll | 56 min |
| Mar 26, 6:37 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Franklin, Tensas | 68 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.7 hours before the alert went out and 102 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
- 766 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 584 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 1:55 AM CDT | Mesoscale Discussion | SPC | Ascension, East Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint Tammany and 4 more | 2 hr |
| Mar 26, 10:45 AM CDT | Mesoscale Discussion | SPC | Beauregard, Sabine, Vernon | 2 hr |
| Mar 26, 1:58 PM CDT | Mesoscale Discussion | SPC | Beauregard, De Soto, Grant, Jackson, Natchitoches, Rapides and 4 more | 92 min |
| Mar 26, 3:06 PM CDT | Mesoscale Discussion | SPC | Catahoula, Concordia, East Feliciana, Franklin, Madison, Pointe Coupee and 5 more | 114 min |
| Mar 26, 3:57 PM CDT | Tornado Watch | SPC | Catahoula, Concordia, East Feliciana, Franklin, Madison, Pointe Coupee and 5 more | 7 hr |
Nearby
Tornado Watches in Louisiana, 2023Tornado Watches in Texas, 2023Every tornado watch in 2023
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.