Alert archive / Louisiana / Tornado Watches in 2024

Tornado Watch 3

January 8, 20244 states

The Storm Prediction Center issued this tornado watch at Jan 8, 2024, 8:42 PM CST for 4 states. It was in force for 11 hr.

The area

The outline as issued.

The facts

Issued
Jan 8, 2024, 8:42 PM CST (02:42 UTC)
Expired
Jan 9, 2024, 7:26 AM CST
In force
11 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt
All 71 counties

Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Livingston 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 Tammany Parish, LA, Tangipahoa Parish, LA, Terrebonne Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS

The radar

The Mobile radar (KMOB), 68 km from the middle of the area, began a volume at 02:45 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
80%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
50%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

70 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jan 8, 8:43 PM CSTFlash Flood WarningLIXWest Feliciana111 min
Jan 8, 9:20 PM CSTFlash Flood WarningLIXWest Feliciana2 hr
Jan 8, 9:54 PM CSTFlash Flood WarningJANCopiah, Franklin, Lincoln3 hr
Jan 8, 11:16 PM CSTFlash Flood WarningJANCovington, Jasper, Jones, Smith3 hr
Jan 8, 11:26 PM CSTSevere Thunderstorm Warning Considerable damage threatMOBChoctaw, Clarke, Monroe, Washington34 min
Jan 8, 11:36 PM CSTFlash Flood WarningLIXAmite, Pike3 hr
Jan 8, 11:50 PM CSTSevere Thunderstorm Warning Considerable damage threatMOBClarke, Monroe, Wilcox40 min
Jan 9, 12:11 AM CSTFlash Flood WarningLIXTangipahoa, Washington3 hr
Jan 9, 12:12 AM CSTSevere Thunderstorm WarningLIXWashington15 min
Jan 9, 12:22 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBClarke, Mobile, Washington38 min
Jan 9, 12:29 AM CSTTornado WarningLIXHarrison, Jackson31 min
Jan 9, 12:31 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBClarke, Monroe44 min
Jan 9, 12:44 AM CSTSevere Thunderstorm WarningLIXLafourche, Saint Charles, Saint James, Saint John the Baptist61 min
Jan 9, 12:46 AM CSTTornado WarningLIXSaint Charles, Saint John the Baptist13 min
Jan 9, 12:53 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBButler, Monroe, Wilcox37 min
Jan 9, 12:55 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBClarke, Monroe, Washington, Wilcox50 min
Jan 9, 1:01 AM CSTSevere Thunderstorm WarningLIXLafourche, Saint Charles, Terrebonne44 min
Jan 9, 1:03 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington42 min
Jan 9, 1:10 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington35 min
Jan 9, 1:12 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa48 min
Jan 9, 1:16 AM CSTTornado WarningMOBWayne29 min
Jan 9, 1:20 AM CSTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles55 min
Jan 9, 1:25 AM CSTTornado WarningJANForrest35 min
Jan 9, 1:28 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBButler, Clarke, Monroe, Wilcox28 min
Jan 9, 1:30 AM CSTTornado WarningMOBPerry, Wayne30 min
Jan 9, 1:31 AM CSTFlash Flood WarningLIXSaint Tammany, Washington77 min
Jan 9, 1:36 AM CSTTornado WarningJANJones25 min
Jan 9, 1:38 AM CSTSevere Thunderstorm WarningLIXJefferson, Lafourche, Plaquemines, Saint Bernard, Saint Charles, Terrebonne52 min
Jan 9, 1:41 AM CSTSevere Thunderstorm WarningLIXHancock, Pearl River49 min
Jan 9, 1:44 AM CSTFlash Flood WarningLIXSaint Tammany, Washington80 min
Jan 9, 1:49 AM CSTTornado WarningLIXJefferson, Plaquemines, Saint Bernard15 min
Jan 9, 1:52 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBGeorge, Greene, Perry, Stone53 min
Jan 9, 1:54 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBBaldwin, Mobile36 min
Jan 9, 2:14 AM CSTSevere Thunderstorm WarningLIXJefferson, Lafourche, Plaquemines, Saint Bernard40 min
Jan 9, 2:16 AM CSTSevere Thunderstorm WarningLIXOrleans, Plaquemines, Saint Bernard44 min
Jan 9, 2:22 AM CSTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa38 min
Jan 9, 2:28 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBClarke, Monroe, Wilcox47 min
Jan 9, 2:33 AM CSTTornado WarningMOBOkaloosa, Santa Rosa27 min
Jan 9, 3:28 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile, Washington47 min
Jan 9, 3:47 AM CSTTornado WarningMOBBaldwin, Mobile28 min
Jan 9, 3:59 AM CSTTornado WarningMOBBaldwin, Mobile20 min
Jan 9, 4:00 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBBaldwin, Clarke, Escambia, Mobile, Washington60 min
Jan 9, 4:08 AM CSTTornado WarningMOBMobile16 min
Jan 9, 4:21 AM CSTTornado WarningTAEWalton24 min
Jan 9, 4:25 AM CSTTornado WarningMOBBaldwin19 min
Jan 9, 4:32 AM CSTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Conecuh, Crenshaw, Escambia and 2 more58 min
Jan 9, 4:37 AM CSTTornado WarningMOBBaldwin24 min
Jan 9, 4:37 AM CSTTornado Warning Tornado observedConsiderable damage threatTAEHolmes, Walton, Washington38 min
Jan 9, 4:43 AM CSTTornado WarningMOBBaldwin, Escambia10 min
Jan 9, 4:48 AM CSTSevere Thunderstorm Warning Considerable damage threatMOBBaldwin, Conecuh, Escambia57 min
Jan 9, 4:57 AM CSTTornado Warning Tornado observedTAEHolmes, Walton, Washington33 min
Jan 9, 5:19 AM CSTSevere Thunderstorm Warning Considerable damage threatTAEDale, Geneva, Houston41 min
Jan 9, 5:22 AM CSTTornado WarningTAEBay, Calhoun, Jackson, Washington38 min
Jan 9, 5:26 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia64 min
Jan 9, 5:49 AM CSTTornado WarningTAEHenry, Houston26 min
Jan 9, 5:52 AM CSTTornado Warning Tornado observedTAEBay, Calhoun, Jackson, Washington38 min
Jan 9, 5:57 AM CSTSevere Thunderstorm Warning Considerable damage threatTAECoffee, Geneva93 min
Jan 9, 6:01 AM CSTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia49 min
Jan 9, 6:05 AM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw25 min
Jan 9, 6:09 AM CSTSevere Thunderstorm Warning Considerable damage threatTAEHenry, Houston18 min
Jan 9, 6:21 AM CSTTornado Warning Tornado observedTAEHouston39 min
Jan 9, 6:29 AM CSTTornado WarningMOBOkaloosa16 min
Jan 9, 6:31 AM CSTSevere Thunderstorm Warning Considerable damage threatTAEDale, Geneva, Henry, Houston89 min
Jan 9, 6:43 AM CSTTornado WarningTAEWalton47 min
Jan 9, 6:46 AM CSTTornado WarningTAEHolmes, Walton33 min
Jan 9, 6:49 AM CSTTornado WarningTAEWalton26 min
Jan 9, 6:52 AM CSTTornado WarningTAEHouston29 min
Jan 9, 7:00 AM CSTSevere Thunderstorm Warning Considerable damage threatTAEBay, Calhoun, Gulf, Holmes, Jackson, Walton and 1 more90 min
Jan 9, 7:17 AM CSTFlash Flood WarningTAECoffee, Dale, Geneva118 min
Jan 9, 7:19 AM CSTTornado WarningTAEBay, Walton, Washington26 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.7 hours before the alert went out and 82 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2024-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2024-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1205 square meters per square second.1939587897117Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
1205 m²/s²
0-3 km storm-relative helicity
1723 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

051 
WWUS20 KWNS 090239
SEL3  
SPC WW 090239
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-091300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 3
NWS Storm Prediction Center Norman OK
840 PM CST Mon Jan 8 2024

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southern Alabama
  The western Florida Panhandle
  Southeastern Louisiana
  Southern Mississippi
  Coastal Waters

* Effective this Monday night and Tuesday morning from 840 PM
  until 700 AM CST.

* Primary threats include...
  Several tornadoes likely with a couple intense tornadoes
    possible
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible
  Scattered large hail events to 1.5 inches in diameter possible

SUMMARY...A squall line is expected to strengthen while moving
eastward overnight from Louisiana/southern Mississippi to southern
Alabama and the western Florida Panhandle closer to sunrise.  The
storm environment will be favorable for rotating storms within and
just ahead of the line, with the potential for a couple of strong
(EF2-EF3) tornadoes, damaging gusts up to 75 mph and isolated large
hail up to 1.5 inches in diameter.

The tornado watch area is approximately along and 70 statute miles
north and south of a line from 65 miles northwest of Houma LA to 40
miles northeast of Panama City FL. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU3).

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...This tornado watch replaces tornado
watch number 2. Watch number 2 will not be in effect after 840 PM
CST. CONTINUE...WW 1...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24050.

...Thompson

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 8, 7:03 PM CSTMesoscale DiscussionSPCBaldwin, Escambia, Mobile117 min
Jan 8, 11:57 PM CSTMesoscale DiscussionSPCBaldwin, Clarke, Mobile, Washington93 min
Jan 9, 2:44 AM CSTMesoscale DiscussionSPCBaldwin, Clarke, Conecuh, Escambia, Mobile, Monroe and 1 more2 hr
Jan 9, 5:36 AM CSTMesoscale DiscussionSPCBarbour, Bullock, Coffee, Covington, Crenshaw, Dale and 7 more3 hr
Jan 9, 6:07 AM CSTTornado WatchSPCBarbour, Coffee, Dale, Geneva, Henry, Houston and 1 more7 hr
Jan 9, 9:05 AM CSTMesoscale DiscussionSPCFranklin, Gadsden, Hamilton, Jefferson, Lafayette, Leon and 5 more85 min
Jan 9, 9:45 AM CSTMesoscale DiscussionSPCBaker, Bradford, Clay, Duval, Nassau, Putnam and 2 more2 hr
Jan 9, 10:41 AM CSTTornado WatchSPCAlachua, Baker, Bradford, Clay, Duval, Flagler and 5 more6 hr
Jan 9, 11:42 AM CSTMesoscale DiscussionSPCCitrus, DeSoto, Hardee, Hernando, Hillsborough, Lake and 12 more2 hr
Jan 9, 12:15 PM CSTTornado WatchSPCBrevard, Charlotte, Citrus, DeSoto, Hardee, Hernando and 15 more7 hr
Jan 9, 12:16 PM CSTMesoscale DiscussionSPCBaker, Bradford, Clay, Columbia, Duval, Hamilton and 4 more89 min
Jan 9, 2:34 PM CSTMesoscale DiscussionSPCCitrus, Clay, Duval, Flagler, Hernando, Hillsborough and 9 more86 min
Jan 9, 5:48 PM CSTMesoscale DiscussionSPCBrevard, Broward, Charlotte, Collier, DeSoto, Glades and 9 more87 min
Jan 8, 8:07 PM CSTMesoscale DiscussionSPCAcadia, Iberia, Lafayette, Saint Landry, Saint Martin, St. Mary and 1 more53 min

Nearby

Tornado Watches in Louisiana, 2024Tornado Watches in Mississippi, 2024Tornado Watches in Alabama, 2024Every tornado watch in 2024

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.