Alert archive / Louisiana / Tornado Warnings in 2021

Tornado Warning 12, NWS Shreveport, LA

March 27, 2021Caddo Parish, De Soto Parish, Louisiana; Panola County, Texas

NWS Shreveport, LA issued this tornado warning at Mar 27, 2021, 7:39 PM CDT for Caddo Parish, De Soto Parish, Louisiana; Panola County, Texas. It was in force for 51 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: Mar 27, 2021, 7:39 PM CDT (00:39 UTC)
Expired: Mar 27, 2021, 8:30 PM CDT
In force: 51 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 1.75 in

Counties Caddo Parish, LA, De Soto Parish, LA, Panola County, TX

The radar

The Shreveport radar (KSHV), 42 km from the middle of the area, began a volume at 00:39 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
Mar 27, 7:53 PM CDT	TORNADO	7 Ese Carthage, TX	MULTIPLE TREES DOWN ACROSS FM 2517, 3 MILES EAST OF ANTIOCH.

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
Mar 27, 3:25 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.7 hours before the alert went out and 51 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: 1297 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 953 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

As transmitted.

296 
WFUS54 KSHV 280039
TORSHV
LAC017-031-TXC365-280130-
/O.NEW.KSHV.TO.W.0012.210328T0039Z-210328T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
739 PM CDT Sat Mar 27 2021

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  West central De Soto Parish in northwestern Louisiana...
  Southwestern Caddo Parish in northwestern Louisiana...
  Eastern Panola County in northeastern Texas...

* Until 830 PM CDT.

* At 739 PM CDT, a confirmed large and extremely dangerous tornado
  was located over Carthage, moving northeast at 30 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* The tornado will be near...
  Deberry around 810 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Deadwood, Midyett and Front.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3214 9442 3239 9407 3239 9404 3222 9391
      3202 9432
TIME...MOT...LOC 0039Z 234DEG 28KT 3211 9436 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

19

3 follow-up statements

239 
WWUS54 KSHV 280054
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
754 PM CDT Sat Mar 27 2021

LAC017-031-TXC365-280130-
/O.CON.KSHV.TO.W.0012.000000T0000Z-210328T0130Z/
De Soto LA-Caddo LA-Panola TX-
754 PM CDT Sat Mar 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WEST
CENTRAL DE SOTO...SOUTHWESTERN CADDO PARISHES IN NORTHWESTERN
LOUISIANA AND EAST CENTRAL PANOLA COUNTIES...
    
At 754 PM CDT, a confirmed large and extremely dangerous tornado was
located near Carthage, moving northeast at 30 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
west central De Soto, southwestern Caddo Parishes in northwestern
Louisiana and east central Panola Counties, including the following
locations... Deadwood, Midyett and Front.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3219 9427 3235 9401 3222 9391 3208 9419
TIME...MOT...LOC 0054Z 234DEG 28KT 3218 9424 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

19

888 
WWUS54 KSHV 280102
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
802 PM CDT Sat Mar 27 2021

LAC017-031-TXC365-280130-
/O.CON.KSHV.TO.W.0012.000000T0000Z-210328T0130Z/
De Soto LA-Caddo LA-Panola TX-
802 PM CDT Sat Mar 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WEST
CENTRAL DE SOTO...SOUTHWESTERN CADDO PARISHES IN NORTHWESTERN
LOUISIANA AND EAST CENTRAL PANOLA COUNTIES...
    
At 801 PM CDT, a confirmed large and extremely dangerous tornado was
located near Deberry, or 10 miles northeast of Carthage, moving
northeast at 30 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Deadwood, Midyett and Front. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3222 9421 3235 9401 3222 9391 3211 9413
TIME...MOT...LOC 0101Z 234DEG 28KT 3222 9418 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

19

115 
WWUS54 KSHV 280122
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
822 PM CDT Sat Mar 27 2021

TXC365-280131-
/O.CAN.KSHV.TO.W.0012.000000T0000Z-210328T0130Z/
Panola TX-
822 PM CDT Sat Mar 27 2021

...THE TORNADO WARNING FOR EAST CENTRAL PANOLA COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. Therefore, the warning has been 
cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for northwestern
Louisiana.

LAT...LON 3227 9404 3231 9398 3222 9391 3215 9404
TIME...MOT...LOC 0121Z 234DEG 28KT 3231 9403 

$$

LAC017-031-280130-
/O.CON.KSHV.TO.W.0012.000000T0000Z-210328T0130Z/
De Soto LA-Caddo LA-
822 PM CDT Sat Mar 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WEST
CENTRAL DE SOTO AND SOUTHERN CADDO PARISHES...
    
At 821 PM CDT, a confirmed tornado was located 8 miles east of
Deberry, or 17 miles southwest of Shreveport, moving northeast at 30
mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...Weather spotters 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 thunderstorm will remain over mainly rural areas of
west central De Soto and southern Caddo Parishes.

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 3227 9404 3231 9398 3222 9391 3215 9404
TIME...MOT...LOC 0121Z 234DEG 28KT 3231 9403 

TORNADO...OBSERVED
HAIL...1.75IN

$$

19

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:04 PM CDT	Tornado Warning	SHV	Bossier, Caddo	41 min
Mar 27, 8:11 PM CDT	Tornado Warning	SHV	Caddo, De Soto	49 min
Mar 27, 8:46 PM CDT	Tornado Warning	SHV	Bienville, Bossier, Caddo, Webster	19 min
Mar 27, 10:23 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Union	67 min
Mar 27, 10:39 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo	51 min
Mar 27, 11:30 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Bossier, Claiborne, Webster	45 min
Mar 27, 7:03 PM CDT	Special Weather Statement	SHV	Cass	42 min
Mar 27, 7:20 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass	40 min
Mar 27, 7:31 PM CDT	Tornado Warning	SHV	Harrison, Marion	44 min
Mar 27, 9:45 PM CDT	Special Weather Statement	SHV	Rusk	45 min
Mar 27, 9:52 PM CDT	Severe Thunderstorm Warning	SHV	Harrison, Panola, Rusk	53 min
Mar 28, 1:33 AM CDT	Special Weather Statement	SHV	Shelby	42 min

Nearby

Tornado Warnings in Louisiana, 2021 Tornado Warnings in Texas, 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.