Alert archive / Louisiana / Tornado Watches in 2022
Tornado Watch 76
The Storm Prediction Center issued this tornado watch at Mar 30, 2022, 11:26 AM CDT for 16 parishes in Louisiana; 6 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2022, 11:26 AM CDT (16:26 UTC)
- Expired
- Mar 30, 2022, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 22 counties
Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 57 km from the middle of the area, began a volume at 16:25 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
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- 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
- 80%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 11:46 AM CDT | Tornado Warning | LCH | Vernon | 29 min |
| Mar 30, 12:01 PM CDT | Tornado Warning | LCH | Vernon | 29 min |
| Mar 30, 12:03 PM CDT | Tornado Warning | LCH | Beauregard, Calcasieu | 27 min |
| Mar 30, 12:12 PM CDT | Tornado Warning | LCH | Beauregard | 33 min |
| Mar 30, 12:15 PM CDT | Tornado Warning | LCH | Vernon | 30 min |
| Mar 30, 12:28 PM CDT | Tornado Warning | LCH | Beauregard, Vernon | 32 min |
| Mar 30, 12:31 PM CDT | Tornado Warning | LCH | Rapides, Vernon | 29 min |
| Mar 30, 12:40 PM CDT | Tornado Warning | LCH | Rapides, Vernon | 35 min |
| Mar 30, 1:01 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Evangeline, Rapides, Vernon | 44 min |
| Mar 30, 1:09 PM CDT | Tornado Warning | LCH | Allen, Beauregard | 36 min |
| Mar 30, 1:10 PM CDT | Tornado Warning | LCH | Rapides | 35 min |
| Mar 30, 1:15 PM CDT | Tornado Warning | LCH | Rapides | 30 min |
| Mar 30, 1:40 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Avoyelles, Evangeline, Rapides, Saint Landry | 65 min |
| Mar 30, 1:58 PM CDT | Tornado Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 32 min |
| Mar 30, 2:14 PM CDT | Tornado Warning | LCH | Avoyelles, Rapides | 31 min |
| Mar 30, 2:42 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Avoyelles, Evangeline, Jefferson Davis, Lafayette, Saint Landry and 1 more | 63 min |
| Mar 30, 3:43 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Avoyelles, Lafayette, Saint Landry, Saint Martin | 62 min |
| Mar 30, 4:18 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Martin, Vermilion | 42 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, 4.4 hours before the alert went out and 58 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
- 260 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 435 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
001
WWUS20 KWNS 301607
SEL6
SPC WW 301607
LAZ000-TXZ000-CWZ000-310000-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 76
NWS Storm Prediction Center Norman OK
1110 AM CDT Wed Mar 30 2022
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern Louisiana
Southeast Texas
Coastal Waters
* Effective this Wednesday morning and evening from 1110 AM until
700 PM CDT.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A line of thunderstorms over southeast Texas is expected
to intensify this afternoon and track eastward across southern
Louisiana. Damaging winds and isolated tornadoes are possible with
these storms.
The tornado watch area is approximately along and 65 statute miles
north and south of a line from 45 miles northwest of Port Arthur TX
to 25 miles northeast of Lafayette LA. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 75...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 23035.
...HartSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 4:57 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo, Webster | 2 hr |
| Mar 30, 5:30 AM CDT | Tornado Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 8 hr |
| Mar 30, 10:29 AM CDT | Mesoscale Discussion | SPC | Allen, Beauregard, Bienville, Caldwell, Catahoula, Claiborne and 18 more | 61 min |
| Mar 30, 12:16 PM CDT | Tornado Watch | SPC | Caldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 11 more | 9 hr |
| Mar 30, 12:47 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Caldwell, Catahoula, Concordia, East Carroll and 10 more | 58 min |
| Mar 30, 1:48 PM CDT | Tornado Watch | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 16 more | 9 hr |
| Mar 30, 2:16 PM CDT | Mesoscale Discussion | SPC | East Carroll, Madison, Tensas, West Carroll | 119 min |
| Mar 30, 3:39 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 10 more | 2 hr |
| Mar 30, 6:31 PM CDT | Mesoscale Discussion | SPC | Orleans, Saint Charles, Saint James, Saint John the Baptist, Saint Tammany | 119 min |
| Mar 29, 8:10 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Foard, Knox, Wichita and 1 more | 95 min |
| Mar 29, 9:28 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 30 more | 5 hr |
| Mar 29, 11:32 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 18 more | 88 min |
| Mar 29, 11:52 PM CDT | Tornado Watch | SPC | Bosque, Collin, Cooke, Dallas, Delta, Denton and 22 more | 8 hr |
| Mar 30, 1:01 AM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Collin, Comanche, Concho, Cooke and 26 more | 119 min |
Nearby
Tornado Watches in Louisiana, 2022Tornado Watches in Texas, 2022Every tornado watch in 2022
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.