Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 15, NWS New Orleans, LA

April 10, 2021Wilkinson County, Mississippi; Pointe Coupee Parish, West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Apr 10, 2021, 1:45 AM CDT for Wilkinson County, Mississippi; Pointe Coupee Parish, West Feliciana Parish, Louisiana. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 10, 2021, 1:45 AM CDT (06:45 UTC)
Expired
Apr 10, 2021, 2:30 AM CDT
In force
45 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Pointe Coupee Parish, LA, West Feliciana Parish, LA, Wilkinson County, MS

The radar

The Ft Polk radar (KPOE), 126 km from the middle of the area, began a volume at 06:47 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 9, 10:25 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 10, 12:16 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.8 hours before the alert went out and 170 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, Lake Charles Mun, LA at 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2773 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897Sfc1 km3 km6 km9 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
2773 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted.

178 
WFUS54 KLIX 100645
TORLIX
LAC077-125-MSC157-100730-
/O.NEW.KLIX.TO.W.0015.210410T0645Z-210410T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
145 AM CDT Sat Apr 10 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Central West Feliciana Parish in southeastern Louisiana...
  Northwestern Pointe Coupee Parish in southeastern Louisiana...
  Southwestern Wilkinson County in southern Mississippi...

* Until 230 AM CDT.
    
* At 145 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Bayou Current, moving northeast at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Batchelor and Lettsworth around 210 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3087 9180 3096 9180 3104 9165 3097 9166
      3104 9156 3107 9157 3111 9150 3082 9135
      3072 9174 3078 9176 3082 9181 3084 9180
      3086 9182
TIME...MOT...LOC 0645Z 245DEG 27KT 3079 9188 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KLG
3 follow-up statements
875 
WWUS54 KLIX 100703
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
203 AM CDT Sat Apr 10 2021

LAC077-125-MSC157-100730-
/O.CON.KLIX.TO.W.0015.000000T0000Z-210410T0730Z/
West Feliciana LA-Pointe Coupee LA-Wilkinson MS-
203 AM CDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
NORTHWESTERN WEST FELICIANA...NORTHWESTERN POINTE COUPEE PARISHES IN
SOUTHEASTERN LOUISIANA AND SOUTHWESTERN WILKINSON COUNTIES...
    
At 203 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Batchelor, or near Bayou Current, moving northeast
at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northwestern West Feliciana, northwestern Pointe Coupee Parishes in
southeastern Louisiana and southwestern Wilkinson Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3087 9180 3094 9180 3103 9165 3097 9166
      3104 9156 3107 9157 3111 9150 3084 9136
      3078 9176 3082 9181 3084 9180 3086 9182
TIME...MOT...LOC 0703Z 242DEG 30KT 3087 9172 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KLG
928 
WWUS54 KLIX 100717
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
217 AM CDT Sat Apr 10 2021

LAC077-100727-
/O.CAN.KLIX.TO.W.0015.000000T0000Z-210410T0730Z/
Pointe Coupee LA-
217 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR NORTHWESTERN POINTE COUPEE PARISH IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Louisiana...and southern Mississippi.

LAT...LON 3104 9156 3107 9148 3089 9139 3087 9151
      3088 9152 3089 9152 3092 9156 3092 9162
      3093 9165 3097 9166
TIME...MOT...LOC 0717Z 245DEG 40KT 3095 9153 

$$

LAC125-MSC157-100730-
/O.CON.KLIX.TO.W.0015.000000T0000Z-210410T0730Z/
West Feliciana LA-Wilkinson MS-
217 AM CDT Sat Apr 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
NORTHWESTERN WEST FELICIANA PARISH IN SOUTHEASTERN LOUISIANA AND
SOUTHERN WILKINSON COUNTIES...
    
At 217 AM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles south of Fort Adams, or 14 miles northwest of St.
Francisville, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northwestern West Feliciana Parish in southeastern Louisiana and
southern Wilkinson Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3104 9156 3107 9148 3089 9139 3087 9151
      3088 9152 3089 9152 3092 9156 3092 9162
      3093 9165 3097 9166
TIME...MOT...LOC 0717Z 245DEG 40KT 3095 9153 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

KLG
472 
WWUS54 KLIX 100721
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
221 AM CDT Sat Apr 10 2021

LAC125-MSC157-100731-
/O.EXP.KLIX.TO.W.0015.000000T0000Z-210410T0730Z/
West Feliciana LA-Wilkinson MS-
221 AM CDT Sat Apr 10 2021

...THE TORNADO WARNING FOR NORTHWESTERN WEST FELICIANA PARISH IN
SOUTHEASTERN LOUISIANA AND SOUTHERN WILKINSON COUNTIES WILL EXPIRE AT
230 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Louisiana...and southern Mississippi.

LAT...LON 3104 9156 3107 9148 3089 9139 3087 9151
      3088 9152 3089 9152 3092 9156 3092 9162
      3093 9165 3097 9166
TIME...MOT...LOC 0721Z 245DEG 27KT 3096 9150 

$$

KLG

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 11:57 PM CDTSevere Thunderstorm WarningLIXAmite, Pike36 min
Apr 10, 12:12 AM CDTSevere Thunderstorm WarningLIXWalthall33 min
Apr 10, 12:14 AM CDTSpecial Weather StatementLIXWilkinson46 min
Apr 10, 12:41 AM CDTSevere Thunderstorm WarningLIXPearl River11 min
Apr 10, 12:46 AM CDTSevere Thunderstorm WarningLIXAmite, Pike, Walthall43 min
Apr 10, 1:33 AM CDTSpecial Weather StatementLIXPearl River42 min
Apr 10, 1:52 AM CDTSpecial Weather StatementLIXPearl River38 min
Apr 10, 2:01 AM CDTSevere Thunderstorm WarningLIXPearl River29 min
Apr 10, 2:05 AM CDTTornado WarningLIXPearl River10 min
Apr 10, 2:42 AM CDTSevere Thunderstorm WarningLIXHancock, Harrison33 min
Apr 10, 2:58 AM CDTSevere Thunderstorm WarningLIXAmite, Pike35 min
Apr 10, 3:11 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson49 min
Apr 10, 3:20 AM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson33 min
Apr 10, 3:29 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson31 min
Apr 10, 3:36 AM CDTSpecial Weather StatementLIXPearl River39 min
Apr 10, 3:55 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson14 min
Apr 10, 4:06 AM CDTFlash Flood WarningLIXHancock, Pearl River3 hr
Apr 10, 5:07 AM CDTSpecial Weather StatementLIXHancock23 min
Apr 10, 5:35 AM CDTSpecial Weather StatementLIXHarrison25 min
Apr 10, 6:02 AM CDTAreal Flood AdvisoryLIXJackson3 hr
Apr 10, 9:49 AM CDTRiver Flood WarningLIXPike, Walthall56 hr
Apr 10, 9:58 AM CDTRiver Flood WarningLIXHarrison25 hr
Apr 10, 1:07 AM CDTSpecial Marine WarningLIX22 min
Apr 10, 1:40 AM CDTSpecial Marine WarningLIX20 min
Apr 10, 2:28 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana47 min
Apr 10, 2:48 AM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Saint Helena, West Feliciana39 min
Apr 10, 3:25 AM CDTSpecial Weather StatementLIXSaint Helena, Tangipahoa65 min
Apr 10, 3:26 AM CDTSpecial Weather StatementLIXAscension, Assumption, Livingston, Saint James, Saint John the Baptist64 min
Apr 10, 3:38 AM CDTSpecial Marine WarningLIX67 min
Apr 10, 3:59 AM CDTSpecial Weather StatementLIXEast Baton Rouge46 min
Apr 10, 4:16 AM CDTSpecial Marine WarningLIX59 min
Apr 10, 4:23 AM CDTTornado WarningLIXSaint James, Saint John the Baptist19 min
Apr 10, 4:40 AM CDTFlash Flood WarningLIXSaint Tammany, Tangipahoa, Washington3 hr
Apr 10, 4:47 AM CDTSpecial Weather StatementLIXAscension, Assumption, Orleans, Saint Charles, Saint James, Saint John the Baptist and 1 more58 min
Apr 10, 4:58 AM CDTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles, Saint Tammany47 min
Apr 10, 5:16 AM CDTFlash Flood WarningLIXOrleans3 hr
Apr 10, 5:23 AM CDTSpecial Marine WarningLIX67 min
Apr 10, 5:24 AM CDTFlash Flood WarningLIXSaint Bernard3 hr
Apr 10, 5:46 AM CDTSpecial Weather StatementLIXAssumption, Jefferson, Orleans, Saint Charles59 min
Apr 10, 6:07 AM CDTAreal Flood AdvisoryLIXJefferson, Lafourche, Orleans, Saint Charles, Saint John the Baptist, Terrebonne2 hr
Apr 10, 6:24 AM CDTSpecial Marine WarningLIX96 min
Apr 10, 6:29 AM CDTFlash Flood WarningLIXLafourche, Terrebonne89 min
Apr 10, 6:33 AM CDTFlash Flood WarningLIXJefferson, Plaquemines105 min
Apr 10, 6:42 AM CDTSpecial Weather StatementLIXJefferson, Lafourche, Plaquemines, Terrebonne78 min
Apr 10, 7:13 AM CDTSpecial Marine WarningLIX92 min
Apr 10, 7:53 AM CDTSpecial Marine WarningLIX97 min
Apr 10, 8:52 AM CDTRiver Flood WarningLIXSaint Tammany10 days
Apr 10, 8:52 AM CDTRiver Flood WarningLIXSaint Tammany24 hr
Apr 10, 8:55 AM CDTRiver Flood WarningLIXSaint Tammany25 hr
Apr 10, 9:49 AM CDTRiver Flood WarningLIXWashington33 hr
Apr 10, 11:15 AM CDTSpecial Weather StatementLIXTerrebonne30 min
Apr 10, 11:51 AM CDTSpecial Weather StatementLIXLafourche39 min
Apr 10, 12:28 PM CDTSpecial Weather StatementLIXJefferson32 min
Apr 10, 5:46 PM CDTRiver Flood WarningLIXSaint Helena26 hr

Nearby

Tornado Warnings in Louisiana, 2021Tornado Warnings in Mississippi, 2021Every tornado warning in 2021Tornadoes in 2021

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.