Alert archive / Louisiana / Tornado Warnings in 2021
Tornado Warning 14, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Mar 27, 2021, 8:11 PM CDT for Caddo Parish, De Soto Parish, Louisiana. It was in force for 49 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, 8:11 PM CDT (01:11 UTC)
- Expired
- Mar 27, 2021, 9:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Caddo Parish, LA, De Soto Parish, LA
The radar
The Shreveport radar (KSHV), 16 km from the middle of the area, began a volume at 01:11 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, 8:23 PM CDT | TORNADO | 2 Ssw Stonewall, LA | AN EF1 TORNADO BEGAN IN THE NORTH DESOTO ESTATES SUBDIVISION NEAR STONEWALL WERE A COUPLE OF HOUSES SUSTAINED PARTIAL ROOF LOSS. MOST OF THE DAMAGE AS SNAPPED AND UPROOTED TREES. THE MOST SIGNIFICANT DAMAGE WAS TO A AN ATTACHED GARAGED OF A HOME WHERE THE EXTE |
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, 1.2 hours before the alert went out and 15 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.
- 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
The text
As transmitted.
278
WFUS54 KSHV 280111
TORSHV
LAC017-031-280200-
/O.NEW.KSHV.TO.W.0014.210328T0111Z-210328T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
811 PM CDT Sat Mar 27 2021
The National Weather Service in Shreveport has issued a
* Tornado Warning for...
Northwestern De Soto Parish in northwestern Louisiana...
Southern Caddo Parish in northwestern Louisiana...
* Until 900 PM CDT.
* At 810 PM CDT, a severe thunderstorm capable of producing a tornado
was located 10 miles southeast of Deberry, or 18 miles east of
Carthage, moving northeast 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.
* Locations impacted include...
Shreveport, Stonewall, Keachi, Keat Chie, Kickapoo, Keithville,
Spring Ridge, Taylortown, Robson and Forbing.
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.
&&
LAT...LON 3218 9405 3229 9404 3250 9371 3244 9368
3243 9366 3242 9369 3241 9368 3240 9369
3239 9368 3239 9366 3240 9367 3240 9363
3236 9363 3238 9360 3235 9362 3235 9358
3233 9358 3235 9356 3233 9355 3212 9400
TIME...MOT...LOC 0110Z 238DEG 24KT 3222 9402
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
192 follow-up statements
897
WWUS54 KSHV 280132
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
832 PM CDT Sat Mar 27 2021
LAC017-031-280200-
/O.CON.KSHV.TO.W.0014.000000T0000Z-210328T0200Z/
De Soto LA-Caddo LA-
832 PM CDT Sat Mar 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTH
CENTRAL DE SOTO AND SOUTHEASTERN CADDO PARISHES...
At 832 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Stonewall, or 12 miles south of Shreveport, moving
northeast at 30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Shreveport, Stonewall, Kickapoo, Keithville, Taylortown, Robson and
Forbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3231 9392 3244 9368 3243 9366 3242 9369
3241 9368 3240 9369 3239 9368 3239 9366
3240 9367 3240 9363 3236 9363 3238 9360
3235 9362 3235 9358 3233 9358 3235 9356
3233 9355 3219 9385
TIME...MOT...LOC 0132Z 238DEG 24KT 3230 9387
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
19244
WWUS54 KSHV 280151
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
851 PM CDT Sat Mar 27 2021
LAC031-280201-
/O.CAN.KSHV.TO.W.0014.000000T0000Z-210328T0200Z/
De Soto LA-
851 PM CDT Sat Mar 27 2021
...THE TORNADO WARNING FOR NORTH CENTRAL DE SOTO PARISH IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has 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 3242 9371 3243 9366 3242 9368 3241 9368
3240 9369 3239 9368 3239 9366 3240 9367
3240 9363 3236 9363 3238 9360 3235 9362
3235 9358 3233 9358 3235 9356 3233 9355
3231 9366
TIME...MOT...LOC 0151Z 238DEG 24KT 3237 9374
$$
LAC017-280200-
/O.CON.KSHV.TO.W.0014.000000T0000Z-210328T0200Z/
Caddo LA-
851 PM CDT Sat Mar 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN CADDO PARISH...
At 851 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Shreveport, moving northeast at 30
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Taylortown and Robson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3242 9371 3243 9366 3242 9368 3241 9368
3240 9369 3239 9368 3239 9366 3240 9367
3240 9363 3236 9363 3238 9360 3235 9362
3235 9358 3233 9358 3235 9356 3233 9355
3231 9366
TIME...MOT...LOC 0151Z 238DEG 24KT 3237 9374
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
19The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 7:39 PM CDT | Tornado Warning | SHV | Caddo, De Soto | 51 min |
| Mar 27, 8:04 PM CDT | Tornado Warning | SHV | Bossier, Caddo | 41 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 |
Nearby
Tornado Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.