Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 4, NWS New Orleans, LA

March 17, 2021Amite County, Wilkinson County, Mississippi

NWS New Orleans, LA issued this tornado warning at Mar 17, 2021, 4:08 PM CDT for Amite County, Wilkinson County, Mississippi. It was in force for 22 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
Mar 17, 2021, 4:08 PM CDT (21:08 UTC)
Expired
Mar 17, 2021, 4:30 PM CDT
In force
22 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Amite County, MS, Wilkinson County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 17, 2:38 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 157 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, Jackson, MS at 12:00Z on 2021-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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, Jackson, MS at 12:00Z on 2021-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
687 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

137 
WFUS54 KLIX 172108
TORLIX
MSC005-157-172145-
/O.NEW.KLIX.TO.W.0004.210317T2108Z-210317T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
408 PM CDT Wed Mar 17 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Northeastern Wilkinson County in southern Mississippi...
  Northwestern Amite County in southern Mississippi...

* Until 445 PM CDT.
    
* At 408 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Dolorosa, or 22 miles south of Natchez, moving
  northeast at 40 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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Wilkinson and northwestern Amite 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.

&&

LAT...LON 3135 9121 3134 9115 3132 9112 3133 9103
      3135 9102 3133 9100 3135 9096 3113 9139
      3123 9149 3126 9148 3128 9149 3132 9146
      3132 9140 3136 9130 3137 9122
TIME...MOT...LOC 2108Z 232DEG 35KT 3123 9138 

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

$$

KLG
2 follow-up statements
945 
WWUS54 KLIX 172118
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
418 PM CDT Wed Mar 17 2021

MSC005-157-172145-
/O.CON.KLIX.TO.W.0004.000000T0000Z-210317T2145Z/
Wilkinson MS-Amite MS-
418 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
NORTHEASTERN WILKINSON AND NORTHWESTERN AMITE COUNTIES...
    
At 418 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Dolorosa, or 19 miles south of Natchez, moving
northeast at 40 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.

Locations impacted include...
Dolorosa.

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.

&&

LAT...LON 3135 9121 3134 9115 3132 9112 3133 9103
      3135 9102 3133 9100 3135 9096 3120 9125
      3132 9139 3136 9130 3137 9122
TIME...MOT...LOC 2118Z 232DEG 35KT 3129 9129 

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

$$

KLG
504 
WWUS54 KLIX 172130
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
430 PM CDT Wed Mar 17 2021

MSC005-157-172140-
/O.CAN.KLIX.TO.W.0004.000000T0000Z-210317T2145Z/
Wilkinson MS-Amite MS-
430 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR NORTHEASTERN WILKINSON AND NORTHWESTERN
AMITE COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for southern
Mississippi.

LAT...LON 3135 9121 3134 9115 3132 9112 3133 9103
      3135 9102 3133 9100 3135 9096 3120 9125
      3132 9139 3136 9130 3137 9122
TIME...MOT...LOC 2127Z 232DEG 35KT 3136 9118 

$$

KLG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 3:33 AM CDTWind AdvisoryLIXPearl River18 hr
Mar 17, 3:30 PM CDTTornado WarningLIXWilkinson45 min
Mar 17, 4:50 PM CDTSpecial Weather StatementLIXAmite, Pike55 min
Mar 17, 5:29 PM CDTSpecial Weather StatementLIXPike, Walthall46 min
Mar 17, 5:40 PM CDTSevere Thunderstorm WarningLIXPearl River, Walthall31 min
Mar 17, 6:12 PM CDTSpecial Weather StatementLIXPearl River33 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.