Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 78, NWS New Orleans, LA

December 6, 2021Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Dec 6, 2021, 3:31 PM CST for Pearl River County, Mississippi. It was in force for 7 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: Dec 6, 2021, 3:31 PM CST (21:31 UTC)
Expired: Dec 6, 2021, 3:38 PM CST
In force: 7 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 38 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: 720 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 680 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

157 
WFUS54 KLIX 062131
TORLIX
MSC109-062230-
/O.NEW.KLIX.TO.W.0078.211206T2131Z-211206T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
331 PM CST Mon Dec 6 2021

The National Weather Service in New Orleans has issued a

* Tornado Warning for...
  Southwestern Pearl River County in southern Mississippi...

* Until 430 PM CST.

* At 331 PM CST, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located near
  Mcneil, or near Picayune, moving east 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
  southwestern Pearl River County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3051 8970 3053 8977 3054 8978 3056 8981
      3057 8979 3057 8981 3061 8982 3062 8983
      3064 8982 3066 8983 3066 8964
TIME...MOT...LOC 2131Z 275DEG 29KT 3060 8967 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

CAB

1 follow-up statement

590 
WWUS54 KLIX 062138
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
338 PM CST Mon Dec 6 2021

MSC109-062148-
/O.CAN.KLIX.TO.W.0078.000000T0000Z-211206T2230Z/
Pearl River MS-
338 PM CST Mon Dec 6 2021

...THE TORNADO WARNING FOR SOUTHWESTERN PEARL RIVER COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3051 8970 3053 8977 3054 8978 3056 8981
      3057 8979 3057 8981 3061 8982 3062 8983
      3064 8982 3066 8983 3066 8964
TIME...MOT...LOC 2136Z 275DEG 29KT 3059 8960 

$$

CAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 6, 9:52 AM CST	Special Weather Statement	LIX	Wilkinson	53 min
Dec 6, 12:21 PM CST	Severe Thunderstorm Warning	LIX	Amite	54 min
Dec 6, 2:35 PM CST	Tornado Warning	LIX	Pearl River	55 min
Dec 6, 2:56 PM CST	Tornado Warning	LIX	Pearl River	49 min
Dec 6, 3:09 PM CST	Severe Thunderstorm Warning Considerable damage threat	LIX	Hancock, Pearl River	66 min
Dec 6, 3:20 PM CST	Tornado Warning	LIX	Hancock	30 min
Dec 6, 3:36 PM CST	Tornado Warning	LIX	Hancock	28 min
Dec 6, 4:07 PM CST	Special Weather Statement	LIX	Harrison	23 min

Nearby

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