Alert archive / Mississippi / Tornado Warnings in 2021
Tornado Warning 45, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Aug 29, 2021, 6:54 PM CDT for Hancock County, Pearl River County, Mississippi; Saint Tammany Parish, Louisiana. It was in force for 36 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
- Aug 29, 2021, 6:54 PM CDT (23:54 UTC)
- Expired
- Aug 29, 2021, 7:30 PM CDT
- In force
- 36 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Saint Tammany Parish, LA, Hancock County, MS, Pearl River County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 29, 6:59 PM CDT | TORNADO | 6 Ese Pearlington, MS | A WATERSPOUT OVER HERON BAY MOVED INLAND ACROSS HANCOCK COUNTY MARSH COASTAL PRESERVE. NUMEROUS ROAD SIGNS AND POSTS WERE BLOWN OVER IN THE MAGNOLIA RIDGE AREA. THE TORNADO TRACKED NORTHWEST ACROSS EASTERN AND NORTHERN PEARLINGTON. NUMEROUS TREES WERE UPROOTED |
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 |
|---|---|---|---|
| Aug 29, 6:07 AM CDT | Tornado Watch | SPC | 13 hr |
| Aug 29, 6:49 PM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.9 hours before the alert went out and 7 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3256 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted.
034
WFUS54 KLIX 292354
TORLIX
LAC103-MSC045-109-300030-
/O.NEW.KLIX.TO.W.0045.210829T2354Z-210830T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New Orleans LA
654 PM CDT Sun Aug 29 2021
The National Weather Service in New Orleans has issued a
* Tornado Warning for...
Central St. Tammany Parish in southeastern Louisiana...
Southwestern Hancock County in southern Mississippi...
Southwestern Pearl River County in southern Mississippi...
* Until 730 PM CDT.
* At 654 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pearl River, or near Slidell, moving northwest at
65 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.
* Locations impacted include...
Slidell, Picayune, Pearl River, Sun, Pearlington, Bush, Stennis
Space Center and Slidell Airport.
This includes the following Interstates...
Interstate 10 in Louisiana between mile markers 264 and 273.
Interstate 10 in Mississippi between mile markers 1 and 9.
Interstate 12 between mile markers 80 and 84.
Interstate 59 in Louisiana between mile markers 1 and 11.
Interstate 59 in Mississippi between mile markers 1 and 8.
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3025 8942 3019 8945 3018 8956 3015 8959
3015 8960 3016 8962 3017 8958 3019 8958
3016 8966 3018 8968 3017 8970 3065 9016
3066 8985 3068 8971
TIME...MOT...LOC 2354Z 150DEG 55KT 3033 8971
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
JRK2 follow-up statements
325
WWUS54 KLIX 300018
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
718 PM CDT Sun Aug 29 2021
LAC103-MSC045-109-300030-
/O.CON.KLIX.TO.W.0045.000000T0000Z-210830T0030Z/
St. Tammany LA-Hancock MS-Pearl River MS-
718 PM CDT Sun Aug 29 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR CENTRAL
ST. TAMMANY PARISH...WEST CENTRAL HANCOCK AND SOUTHWESTERN PEARL
RIVER COUNTIES...
At 717 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pearl River, or 8 miles southwest of Picayune,
moving northwest at 70 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Slidell, Picayune, Pearl River, Sun, Bush and Slidell Airport.
This includes the following Interstates...
Interstate 10 in Louisiana between mile markers 267 and 268.
Interstate 12 near mile marker 84.
Interstate 59 in Louisiana between mile markers 1 and 11.
Interstate 59 in Mississippi between mile markers 1 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 3042 8959 3029 8974 3048 9000 3059 9010
3065 9002 3066 8985 3067 8981
TIME...MOT...LOC 0017Z 136DEG 62KT 3042 8973
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
TD378
WWUS54 KLIX 300030
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
730 PM CDT Sun Aug 29 2021
LAC103-MSC045-109-300040-
/O.EXP.KLIX.TO.W.0045.000000T0000Z-210830T0030Z/
St. Tammany LA-Hancock MS-Pearl River MS-
730 PM CDT Sun Aug 29 2021
...THE TORNADO WARNING FOR CENTRAL ST. TAMMANY PARISH...WEST CENTRAL
HANCOCK AND SOUTHWESTERN PEARL RIVER COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been allowed to expire.
A Tornado Watch remains in effect until 600 AM CDT for southeastern
Louisiana...and southern Mississippi.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
New Orleans.
LAT...LON 3042 8959 3029 8974 3048 9000 3059 9010
3065 9002 3066 8985 3067 8981
TIME...MOT...LOC 0030Z 150DEG 55KT 3058 8983
$$
JRKThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 6:21 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 24 min |
| Aug 29, 8:10 AM CDT | Tornado Warning | LIX | Jackson | 24 min |
| Aug 29, 2:15 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 15 min |
| Aug 29, 3:07 PM CDT | Tornado Warning | LIX | Hancock | 23 min |
| Aug 29, 5:12 PM CDT | Tornado Warning | LIX | Harrison | 33 min |
| Aug 29, 5:20 PM CDT | Flash Flood Warning | LIX | Harrison | 5 hr |
| Aug 29, 6:09 PM CDT | Flash Flood Warning | LIX | Hancock, Harrison | 8 hr |
| Aug 29, 6:25 PM CDT | Tornado Warning | LIX | Hancock | 35 min |
| Aug 29, 6:23 AM CDT | Special Marine Warning | LIX | 22 min | |
| Aug 29, 7:49 AM CDT | Extreme Wind Warning | LIX | Jefferson, Lafourche, Plaquemines, Saint Bernard, Saint Charles, Terrebonne | 3 hr |
| Aug 29, 10:30 AM CDT | Extreme Wind Warning | LIX | Jefferson, Lafourche, Plaquemines, Saint Bernard, Saint Charles, Terrebonne | 3 hr |
| Aug 29, 1:26 PM CDT | Extreme Wind Warning | LIX | Assumption, Jefferson, Lafourche, Plaquemines, Saint Charles, Saint James and 2 more | 3 hr |
| Aug 29, 2:42 PM CDT | Special Marine Warning | LIX | 18 min | |
| Aug 29, 3:39 PM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 7 hr |
| Aug 29, 4:08 PM CDT | Flash Flood Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles, Saint John the Baptist | 8 hr |
| Aug 29, 4:23 PM CDT | Extreme Wind Warning | LIX | Jefferson, Lafourche, Saint Charles, Saint James, Saint John the Baptist, Terrebonne | 2 hr |
| Aug 29, 5:01 PM CDT | Flash Flood Warning | LIX | Plaquemines | 6 hr |
| Aug 29, 5:04 PM CDT | Special Marine Warning | LIX | 26 min | |
| Aug 29, 6:04 PM CDT | Special Marine Warning | LIX | 26 min | |
| Aug 29, 6:21 PM CDT | Flash Flood Warning | LIX | Saint Tammany | 16 hr |
| Aug 29, 6:33 PM CDT | Special Marine Warning | LIX | 57 min |
Nearby
Tornado Warnings in Mississippi, 2021Tornado 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.