Alert archive / Mississippi / Tornado Watches in 2022

Tornado Watch 587

December 14, 202225 parishes in Louisiana; 32 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Dec 14, 2022, 5:55 AM CST for 25 parishes in Louisiana; 32 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Dec 14, 2022, 5:55 AM CST (11:55 UTC)
Expired: Dec 14, 2022, 1:00 PM CST
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 60 kt

All 57 counties

Acadia Parish, LA, Ascension Parish, LA, Assumption Parish, LA, Cameron Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Iberia Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Livingston Parish, LA, Pointe Coupee 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, Vermilion Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS

What SPC expected

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

Two or more tornadoes: 70%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 20%
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: 60%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Dec 14, 6:10 AM CST	Tornado Warning	JAN	Rankin, Simpson	47 min
Dec 14, 6:29 AM CST	Flash Flood Warning	LCH	Acadia, Allen, Avoyelles, Evangeline, Jefferson Davis, Saint Landry	8 hr
Dec 14, 6:45 AM CST	Tornado Warning	JAN	Scott, Smith	60 min
Dec 14, 6:52 AM CST	Tornado Warning	LCH	Saint Landry	38 min
Dec 14, 7:00 AM CST	Tornado Warning	JAN	Lawrence, Lincoln	47 min
Dec 14, 7:04 AM CST	Severe Thunderstorm Warning	JAN	Scott, Simpson, Smith	41 min
Dec 14, 7:17 AM CST	Severe Thunderstorm Warning	MOB	Greene	43 min
Dec 14, 7:27 AM CST	Tornado Warning	LCH	Calcasieu, Cameron, Jefferson Davis	48 min
Dec 14, 7:29 AM CST	Tornado Warning	JAN	Jasper, Newton, Scott, Smith	61 min
Dec 14, 7:41 AM CST	Flash Flood Warning	JAN	Copiah, Franklin, Lawrence, Lincoln, Simpson	2 hr
Dec 14, 7:41 AM CST	Tornado Warning	JAN	Covington, Jefferson Davis, Simpson, Smith	64 min
Dec 14, 8:06 AM CST	Tornado Warning	LCH	Jefferson Davis	24 min
Dec 14, 8:21 AM CST	Tornado Warning	JAN	Jasper, Smith	54 min
Dec 14, 8:53 AM CST	Tornado Warning	LCH	Evangeline, Saint Landry	37 min
Dec 14, 9:13 AM CST	Tornado Warning	JAN	Jasper, Newton	39 min
Dec 14, 9:29 AM CST	Tornado Warning	LCH	Avoyelles, Evangeline, Saint Landry	31 min
Dec 14, 10:12 AM CST	Flash Flood Warning Considerable damage threat	LIX	Amite, Wilkinson	4 hr
Dec 14, 10:36 AM CST	Tornado Warning	LCH	Iberia	24 min
Dec 14, 10:37 AM CST	Flash Flood Warning	JAN	Adams, Franklin, Jefferson	3 hr
Dec 14, 10:44 AM CST	Tornado Warning	LCH	Iberia, Vermilion	22 min
Dec 14, 11:01 AM CST	Tornado Warning Tornado observed	LCH	Iberia, Saint Martin	29 min
Dec 14, 11:25 AM CST	Tornado Warning	LCH	Iberia, Saint Martin, St. Mary	35 min
Dec 14, 11:30 AM CST	Flash Flood Warning	JAN	Copiah, Hinds, Lincoln	3 hr
Dec 14, 11:34 AM CST	Flash Flood Warning	JAN	Hinds, Madison, Rankin, Scott	3 hr
Dec 14, 11:37 AM CST	Tornado Warning	LIX	Livingston, Saint Helena, Tangipahoa	38 min
Dec 14, 11:39 AM CST	Tornado Warning	LIX	Washington	19 min
Dec 14, 11:44 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa	25 min
Dec 14, 11:53 AM CST	Tornado Warning	JAN	Jefferson Davis, Lamar, Marion	67 min
Dec 14, 11:54 AM CST	Tornado Warning	LIX	Saint Tammany, Washington	36 min
Dec 14, 11:57 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa, Washington	48 min
Dec 14, 11:57 AM CST	Tornado Warning	JAN	Covington, Jefferson Davis, Simpson	31 min
Dec 14, 11:58 AM CST	Tornado Warning	LIX	Saint Helena, Tangipahoa	34 min
Dec 14, 12:00 PM CST	Tornado Warning	LIX	Ascension, Assumption, Iberville, Saint James	32 min
Dec 14, 12:00 PM CST	Tornado Warning	LIX	Washington	30 min
Dec 14, 12:00 PM CST	Tornado Warning	JAN	Jasper, Newton	60 min
Dec 14, 12:10 PM CST	Flash Flood Warning	LIX	Ascension, East Baton Rouge, Iberville, Livingston, Saint Helena, West Baton Rouge	3 hr
Dec 14, 12:15 PM CST	Flash Flood Warning	JAN	Franklin	3 hr
Dec 14, 12:16 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	44 min
Dec 14, 12:17 PM CST	Tornado Warning	LIX	Livingston, Saint Helena, Tangipahoa	43 min
Dec 14, 12:21 PM CST	Tornado Warning	LIX	Ascension, Livingston	39 min
Dec 14, 12:25 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	35 min
Dec 14, 12:26 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	34 min
Dec 14, 12:28 PM CST	Tornado Warning	JAN	Clarke, Jasper, Jones	62 min
Dec 14, 12:36 PM CST	Tornado Warning	JAN	Forrest, Lamar	54 min
Dec 14, 12:39 PM CST	Tornado Warning Tornado observedConsiderable damage threat	JAN	Kemper, Lauderdale	66 min
Dec 14, 12:41 PM CST	Tornado Warning	LIX	Livingston, Tangipahoa	28 min
Dec 14, 12:43 PM CST	Tornado Warning	JAN	Covington, Jasper, Jones, Smith	62 min
Dec 14, 12:44 PM CST	Tornado Warning	LIX	Saint Helena	15 min
Dec 14, 12:44 PM CST	Tornado Warning	JAN	Jasper, Smith	15 min
Dec 14, 12:49 PM CST	Tornado Warning	LIX	Tangipahoa, Washington	41 min
Dec 14, 12:54 PM CST	Tornado Warning	JAN	Marion	44 min
Dec 14, 12:55 PM CST	Tornado Warning	JAN	Jefferson Davis, Lawrence	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 00:00Z, 11.9 hours before the alert went out and 184 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 50 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 433 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 13, 6:25 PM CST	Tornado Watch	SPC	Catahoula, Concordia, East Carroll, Franklin, Madison, Morehouse and 3 more	8 hr
Dec 13, 7:06 PM CST	Mesoscale Discussion	SPC	Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 12 more	114 min
Dec 13, 8:31 PM CST	Mesoscale Discussion	SPC	Caldwell, Catahoula, Concordia, East Carroll, Franklin, LaSalle and 6 more	119 min
Dec 13, 8:48 PM CST	Mesoscale Discussion	SPC	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 15 more	87 min
Dec 13, 9:33 PM CST	Tornado Watch	SPC	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 12 more	8 hr
Dec 13, 11:05 PM CST	Mesoscale Discussion	SPC	East Feliciana, Saint Helena, West Feliciana	115 min
Dec 13, 11:42 PM CST	Tornado Watch	SPC	Catahoula, Concordia, East Feliciana, Franklin, Madison, Pointe Coupee and 2 more	6 hr
Dec 14, 2:13 AM CST	Mesoscale Discussion	SPC	Acadia, Allen, Avoyelles, Calcasieu, Cameron, Catahoula and 12 more	2 hr
Dec 14, 4:52 AM CST	Mesoscale Discussion	SPC	Acadia, Ascension, East Baton Rouge, East Feliciana, Iberville, Lafayette and 11 more	83 min
Dec 14, 9:47 AM CST	Mesoscale Discussion	SPC	Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia and 16 more	118 min
Dec 14, 11:37 AM CST	Mesoscale Discussion	SPC	Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena and 6 more	113 min
Dec 14, 12:22 PM CST	Tornado Watch PDS	SPC	Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville and 17 more	10 hr
Dec 14, 1:20 PM CST	Mesoscale Discussion	SPC	Ascension, Assumption, East Baton Rouge, Livingston, Orleans, Saint Charles and 7 more	85 min
Dec 14, 2:53 PM CST	Mesoscale Discussion	SPC	Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 3 more	97 min
Dec 14, 4:35 PM CST	Mesoscale Discussion	SPC	Jefferson, Saint Bernard	115 min
Dec 14, 5:01 PM CST	Mesoscale Discussion	SPC	George, Greene, Perry, Stone, Wayne	89 min

Nearby

Tornado Watches in Mississippi, 2022 Tornado Watches in Louisiana, 2022 Every 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.