Alert archive / Mississippi / Tornado Watches in 2025
Tornado Watch 21
The Storm Prediction Center issued this tornado watch at Mar 4, 2025, 12:22 PM CST for 34 parishes in Louisiana; 60 counties in Mississippi. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 4, 2025, 12:22 PM CST (18:22 UTC)
- Expired
- Mar 4, 2025, 9:00 PM CST
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 70 kt
All 94 counties
Ascension Parish, LA, Assumption Parish, LA, Avoyelles Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafayette Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Madison Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Grenada County, MS, Hancock County, MS, Harrison County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jackson County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Sunflower County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Wayne County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 59 km from the middle of the area, began a volume at 18:23 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
- 60%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
50 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 12:27 PM CST | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 33 min |
| Mar 4, 12:28 PM CST | Tornado Warning | LCH | Avoyelles, Rapides | 9 min |
| Mar 4, 12:39 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Issaquena, Sharkey, Washington | 81 min |
| Mar 4, 12:40 PM CST | Severe Thunderstorm Warning | JAN | Madison, Tensas | 80 min |
| Mar 4, 12:47 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Allen, Beauregard, Calcasieu, Cameron, Evangeline and 2 more | 43 min |
| Mar 4, 1:24 PM CST | Severe Thunderstorm Warning | JAN | Adams, Franklin, Jefferson | 81 min |
| Mar 4, 1:29 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 76 min |
| Mar 4, 1:31 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Evangeline, Jefferson Davis, Lafayette, Saint Landry | 44 min |
| Mar 4, 1:56 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison, Yazoo | 79 min |
| Mar 4, 1:57 PM CST | Severe Thunderstorm Warning | LCH | Avoyelles | 18 min |
| Mar 4, 2:00 PM CST | Tornado Warning | JAN | Claiborne, Jefferson | 19 min |
| Mar 4, 2:04 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 41 min |
| Mar 4, 2:13 PM CST | Severe Thunderstorm Warning | LCH | Acadia, Avoyelles, Lafayette, Saint Landry, Saint Martin, Vermilion | 47 min |
| Mar 4, 2:17 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Franklin, Lincoln | 73 min |
| Mar 4, 2:45 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, Pointe Coupee, Saint Helena, West Baton Rouge, West Feliciana | 60 min |
| Mar 4, 2:45 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin | 75 min |
| Mar 4, 3:05 PM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Simpson | 70 min |
| Mar 4, 3:14 PM CST | Tornado Warning | LIX | Amite, Pike, Walthall | 46 min |
| Mar 4, 3:16 PM CST | Severe Thunderstorm Warning | JAN | Copiah, Franklin, Lincoln | 44 min |
| Mar 4, 3:21 PM CST | Severe Thunderstorm Warning | JAN | Leake, Scott, Smith | 69 min |
| Mar 4, 4:05 PM CST | Severe Thunderstorm Warning | LIX | Saint Helena, Tangipahoa, Washington | 55 min |
| Mar 4, 4:05 PM CST | Tornado Warning | JAN | Jefferson Davis, Lawrence, Marion | 37 min |
| Mar 4, 4:07 PM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis, Lawrence, Simpson | 68 min |
| Mar 4, 4:13 PM CST | Severe Thunderstorm Warning | JAN | Marion | 77 min |
| Mar 4, 4:14 PM CST | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 46 min |
| Mar 4, 4:40 PM CST | Severe Thunderstorm Warning | JAN | Covington | 63 min |
| Mar 4, 4:52 PM CST | Tornado Warning | LIX | Ascension, Assumption, Livingston, Saint James | 23 min |
| Mar 4, 4:53 PM CST | Severe Thunderstorm Warning | JAN | Smith | 38 min |
| Mar 4, 5:15 PM CST | Severe Thunderstorm Warning | JAN | Forrest, Lamar, Marion | 75 min |
| Mar 4, 5:18 PM CST | Tornado Warning | LIX | Ascension, Saint James, Saint John the Baptist, Tangipahoa | 27 min |
| Mar 4, 5:20 PM CST | Severe Thunderstorm Warning | JAN | Covington, Jones | 70 min |
| Mar 4, 5:52 PM CST | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 68 min |
| Mar 4, 5:54 PM CST | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 66 min |
| Mar 4, 5:58 PM CST | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale, Newton | 77 min |
| Mar 4, 6:02 PM CST | Severe Thunderstorm Warning | JAN | Forrest | 59 min |
| Mar 4, 6:05 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 40 min |
| Mar 4, 6:17 PM CST | Severe Thunderstorm Warning | MOB | Greene, Perry | 58 min |
| Mar 4, 6:19 PM CST | Tornado Warning | JAN | Clarke | 30 min |
| Mar 4, 6:26 PM CST | Tornado Warning | MOB | Wayne | 34 min |
| Mar 4, 6:31 PM CST | Severe Thunderstorm Warning | MOB | Wayne | 29 min |
| Mar 4, 6:31 PM CST | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 59 min |
| Mar 4, 6:34 PM CST | Tornado Warning | MOB | Greene, Perry, Wayne | 41 min |
| Mar 4, 6:48 PM CST | Severe Thunderstorm Warning | LIX | Hancock, Harrison, Pearl River | 27 min |
| Mar 4, 6:55 PM CST | Severe Thunderstorm Warning | LIX | Orleans, Saint Tammany | 50 min |
| Mar 4, 6:57 PM CST | Severe Thunderstorm Warning | MOB | Greene, Wayne | 63 min |
| Mar 4, 7:10 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard | 80 min |
| Mar 4, 7:14 PM CST | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 61 min |
| Mar 4, 7:19 PM CST | Tornado Warning | LIX | Plaquemines, Saint Bernard | 19 min |
| Mar 4, 7:55 PM CST | Tornado Warning | MOB | George | 35 min |
| Mar 4, 8:07 PM CST | Severe Thunderstorm Warning | MOB | George | 53 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
Jackson, MS (KJAN), launched 12:00Z, 6.4 hours before the alert went out and 67 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1142 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
936
WWUS20 KWNS 041820
SEL1
SPC WW 041820
LAZ000-MSZ000-CWZ000-050100-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 21
NWS Storm Prediction Center Norman OK
1220 PM CST Tue Mar 4 2025
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Eastern and Southeastern Louisiana
Central and Southern Mississippi
Coastal Waters
* Effective this Tuesday afternoon and evening from 1220 PM until
700 PM CST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds and isolated significant gusts to 80
mph likely
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A line of strong to severe thunderstorms continues to push
eastward towards eastern/southern LA along a progressive cold front.
The environment ahead of this front across eastern/southern LA and
into much of central and southern MS will become increasingly
favorable for continued severe thunderstorms over the next several
hours. Tornadoes are the primary severe hazard, with a few strong
(i.e. EF2+) tornadoes possible. Strong to potentially significant
(i.e. over 74 mph) wind gusts are possible within this line as well.
The tornado watch area is approximately along and 90 statute miles
east and west of a line from 15 miles east northeast of Greenwood MS
to 35 miles south southeast of Houma LA. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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 20...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.
...MosierSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 4:13 AM CST | Tornado Watch | SPC | Howard, Little River, Miller, Polk, Scott, Sevier | 6 hr |
| Mar 4, 6:22 AM CST | Mesoscale Discussion | SPC | Benton, Crawford, Scott, Sebastian, Washington | 2 hr |
| Mar 4, 6:43 AM CST | Severe Thunderstorm Watch | SPC | Benton, Boone, Carroll, Crawford, Franklin, Johnson and 5 more | 3 hr |
| Mar 4, 7:49 AM CST | Mesoscale Discussion | SPC | Columbia, Hempstead, Lafayette, Little River, Miller, Nevada and 2 more | 116 min |
| Mar 4, 8:13 AM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 16 more | 7 hr |
| Mar 4, 8:56 AM CST | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Franklin, Johnson and 7 more | 94 min |
| Mar 4, 10:17 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 9 more | 88 min |
| Mar 4, 11:49 AM CST | Mesoscale Discussion | SPC | Chicot | 116 min |
| Mar 4, 2:14 PM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia and 23 more | 91 min |
| Mar 4, 5:36 PM CST | Mesoscale Discussion | SPC | Jefferson, Orleans, Saint Charles, Saint John the Baptist, Saint Tammany | 114 min |
Nearby
Tornado Watches in Mississippi, 2025Tornado Watches in Louisiana, 2025Every tornado watch in 2025
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.