Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 61, NWS Jackson, MS

October 27, 2021Concordia Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Oct 27, 2021, 2:52 PM CDT for Concordia Parish, Louisiana. It was in force for 16 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Oct 27, 2021, 2:52 PM CDT (19:52 UTC)
Expired: Oct 27, 2021, 3:08 PM CDT
In force: 16 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

County Concordia Parish, LA

The radar

The Ft Polk radar (KPOE), 125 km from the middle of the area, began a volume at 19:55 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.

What was reported inside it

Time	Report	Where	Remark
Oct 27, 2:56 PM CDT	TORNADO	22 Se Acme, LA	A BRIEF EF-0 TORNADO MOVED ALONG LA HIGHWAY 15, WHERE SEVERAL LARGE LIMBS WERE SNAPPED AND TREES WERE UPROOTED. A TORNADO DEBRIS SIGNATURE (TDS) WAS NOTED FROM THE FORT POLK (KPOE) RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 27, 1:53 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.9 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: 1422 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 604 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted.

442 
WFUS54 KJAN 271952
TORJAN
LAC029-272030-
/O.NEW.KJAN.TO.W.0061.211027T1952Z-211027T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
252 PM CDT Wed Oct 27 2021

The National Weather Service in Jackson has issued a

* Tornado Warning for...
  South central Concordia Parish in northeastern Louisiana...

* Until 330 PM CDT.
        
* At 252 PM CDT, A tornado was reported near Lettsworth, or 8 miles
  east of Simmesport, moving northeast at 35 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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 storm will be near...
  Black Hawk around 310 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

&&

LAT...LON 3104 9165 3104 9172 3107 9171 3109 9172
      3110 9170 3114 9172 3116 9170 3116 9168
      3118 9168 3121 9171 3126 9169 3120 9159
      3118 9159 3111 9163 3106 9156 3103 9157
      3100 9164 3097 9166
TIME...MOT...LOC 1952Z 216DEG 32KT 3098 9167 

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

DL

2 follow-up statements

043 
WWUS54 KJAN 272001
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
301 PM CDT Wed Oct 27 2021

LAC029-272030-
/O.CON.KJAN.TO.W.0061.000000T0000Z-211027T2030Z/
Concordia LA-
301 PM CDT Wed Oct 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTH
CENTRAL CONCORDIA PARISH...
        
At 301 PM CDT, a confirmed tornado was located near Fort Adams, or 13
miles east of Simmesport, moving northeast at 40 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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...
Black Hawk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

&&

LAT...LON 3104 9165 3104 9172 3116 9168 3120 9159
      3118 9159 3111 9163 3106 9156 3103 9157
      3100 9164 3097 9166
TIME...MOT...LOC 2001Z 233DEG 33KT 3104 9159 

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

DL

069 
WWUS54 KJAN 272008
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
308 PM CDT Wed Oct 27 2021

LAC029-272018-
/O.CAN.KJAN.TO.W.0061.000000T0000Z-211027T2030Z/
Concordia LA-
308 PM CDT Wed Oct 27 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL CONCORDIA PARISH 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 1000 PM CDT for northeastern
Louisiana...and southwestern Mississippi.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jackson.

Remember, a Severe Thunderstorm Warning still remains in effect for
much of Concordia Parish until 345 PM.

LAT...LON 3104 9165 3104 9172 3116 9168 3120 9159
      3118 9159 3111 9163 3106 9156 3103 9157
      3100 9164 3097 9166
TIME...MOT...LOC 2006Z 216DEG 32KT 3109 9155 

$$

DL

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 27, 2:11 PM CDT	Special Weather Statement	JAN	Concordia	34 min
Oct 27, 2:30 PM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	75 min
Oct 27, 3:01 PM CDT	Special Weather Statement	JAN	Franklin, Morehouse, Richland	44 min

Nearby

Tornado Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.