Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 6, NWS New Orleans, LA

April 7, 2021Wilkinson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Apr 7, 2021, 11:12 PM CDT for Wilkinson County, Mississippi. It was in force for 28 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 7, 2021, 11:12 PM CDT (04:12 UTC)
Expired
Apr 7, 2021, 11:40 PM CDT
In force
28 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Wilkinson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.2 hours before the alert went out and 167 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 2021-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2021-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1186 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted.

389 
WFUS54 KLIX 080412
TORLIX
MSC157-080500-
/O.NEW.KLIX.TO.W.0006.210408T0412Z-210408T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
1112 PM CDT Wed Apr 7 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Southeastern Wilkinson County in southern Mississippi...

* Until midnight CDT.
    
* At 1112 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Woodville, or 16 miles north of Jackson,
  moving east at 30 mph.

  HAZARD...Tornado and half dollar size hail.

  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...
  Centreville around 1140 PM 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 3100 9106 3103 9135 3113 9133 3116 9106
TIME...MOT...LOC 0412Z 265DEG 25KT 3107 9129 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

CAB
2 follow-up statements
896 
WWUS54 KLIX 080422
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1122 PM CDT Wed Apr 7 2021

MSC157-080500-
/O.CON.KLIX.TO.W.0006.000000T0000Z-210408T0500Z/
Wilkinson MS-
1122 PM CDT Wed Apr 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN WILKINSON COUNTY...
    
At 1122 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Woodville, or 16 miles north of Jackson, moving east
at 30 mph.

HAZARD...Tornado and quarter size hail.

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...
  Centreville around 1140 PM 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 3100 9106 3105 9129 3114 9127 3116 9106
TIME...MOT...LOC 0422Z 265DEG 25KT 3107 9121 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

CAB
483 
WWUS54 KLIX 080440
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1140 PM CDT Wed Apr 7 2021

MSC157-080450-
/O.CAN.KLIX.TO.W.0006.000000T0000Z-210408T0500Z/
Wilkinson MS-
1140 PM CDT Wed Apr 7 2021

...THE TORNADO WARNING FOR SOUTHEASTERN WILKINSON COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A severe thunderstorm warning is still in effect for the storm 
riding the Louisiana and Mississippi state line.

LAT...LON 3100 9106 3105 9129 3114 9127 3116 9106
TIME...MOT...LOC 0438Z 265DEG 25KT 3108 9106 

$$

CAB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:42 PM CDTSevere Thunderstorm WarningLIXWilkinson78 min
Apr 7, 10:22 PM CDTTornado WarningLIXWilkinson53 min
Apr 7, 10:50 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson70 min
Apr 8, 12:39 AM CDTSevere Thunderstorm WarningLIXAmite, Pike, Walthall66 min
Apr 8, 1:12 AM CDTTornado WarningLIXPike33 min
Apr 8, 2:04 AM CDTSpecial Weather StatementLIXPearl River56 min
Apr 8, 2:56 AM CDTTornado WarningLIXPearl River34 min
Apr 8, 3:13 AM CDTSpecial Weather StatementLIXHancock, Harrison62 min
Apr 8, 3:24 AM CDTTornado WarningLIXHancock36 min

Nearby

Tornado 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.