Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 79, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 24, 2021, 12:28 AM CDT for Washington Parish, Louisiana; Pearl River County, Mississippi. It was in force for 47 min. 3 reports 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
- Apr 24, 2021, 12:28 AM CDT (05:28 UTC)
- Expired
- Apr 24, 2021, 1:15 AM CDT
- In force
- 47 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Washington Parish, LA, Pearl River County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 12:35 AM CDT | TSTM WND GST 64 | Bogalusa, LA | BOGALUSA ASOS...BXA...MEASURED A WIND GUST OF 56KTS/64MPH AT 0535Z. |
| Apr 24, 12:35 AM CDT | TSTM WND GST 64 | Bogalusa, LA | BOGALUSA AWOS...BXA...MEASURED A WIND GUST OF 56KTS/64MPH AT 0535Z. |
| Apr 24, 12:40 AM CDT | TSTM WND DMG | 3 Nne Bogalusa, LA | PUBLIC REPORTED LARGE TREE UPROOTED WITH NUMEROUS OTHER BRANCHES DOWN, ALONG WITH A POWER LINE. TIME ESTIMATED FROM 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 |
|---|---|---|---|
| Apr 23, 8:30 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 5.5 hours before the alert went out and 77 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
- 873 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
161
WUUS54 KLIX 240528
SVRLIX
LAC117-MSC109-240615-
/O.NEW.KLIX.SV.W.0079.210424T0528Z-210424T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1228 AM CDT Sat Apr 24 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
Eastern Washington Parish in southeastern Louisiana...
Northern Pearl River County in southern Mississippi...
* Until 115 AM CDT.
* At 1227 AM CDT, a severe thunderstorm was located near Bogalusa,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Bogalusa, Poplarville, Varnado, Sun, Crossroads and Angie.
This includes Interstate 59 in Mississippi between mile markers 24
and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Louisiana...and southern Mississippi.
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in New Orleans.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3100 8934 3080 8934 3066 8992 3067 9002
3080 9010 3101 8974 3100 8955 3101 8955
3101 8951 3100 8947 3098 8947 3098 8943
3101 8942 3101 8935
TIME...MOT...LOC 0527Z 241DEG 42KT 3076 8997
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
PG2 follow-up statements
579
WWUS54 KLIX 240545
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
1245 AM CDT Sat Apr 24 2021
LAC117-MSC109-240615-
/O.CON.KLIX.SV.W.0079.000000T0000Z-210424T0615Z/
Washington LA-Pearl River MS-
1245 AM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR EASTERN WASHINGTON PARISH IN SOUTHEASTERN LOUISIANA AND NORTHERN
PEARL RIVER COUNTIES...
At 1244 AM CDT, a severe thunderstorm was located near Varnado, or 8
miles northeast of Bogalusa, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Bogalusa, Poplarville, Varnado, Sun, Crossroads and Angie.
This includes Interstate 59 in Mississippi between mile markers 24
and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Louisiana...and southern Mississippi.
This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
New Orleans.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3100 8934 3080 8934 3066 8992 3067 9002
3080 9010 3101 8974 3100 8955 3101 8955
3101 8951 3100 8947 3098 8947 3098 8943
3101 8942 3101 8935
TIME...MOT...LOC 0544Z 241DEG 42KT 3086 8976
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
PG941
WWUS54 KLIX 240605
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
105 AM CDT Sat Apr 24 2021
LAC117-240613-
/O.CAN.KLIX.SV.W.0079.000000T0000Z-210424T0615Z/
Washington LA-
105 AM CDT Sat Apr 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WASHINGTON PARISH IS
CANCELLED...
The severe 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 400 AM CDT for southeastern
Louisiana...and southern Mississippi.
LAT...LON 3101 8935 3100 8934 3080 8934 3068 8984
3076 8983 3083 8978 3085 8979 3086 8977
3090 8978 3092 8975 3094 8976 3100 8973
3101 8951 3100 8947 3098 8947 3098 8943
3101 8942
TIME...MOT...LOC 0603Z 241DEG 42KT 3097 8952
$$
MSC109-240615-
/O.CON.KLIX.SV.W.0079.000000T0000Z-210424T0615Z/
Pearl River MS-
105 AM CDT Sat Apr 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT
FOR NORTHERN PEARL RIVER COUNTY...
At 103 AM CDT, a severe thunderstorm was located near Lumberton, or 9
miles north of Poplarville, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Poplarville and Crossroads.
This includes Interstate 59 in Mississippi between mile markers 24
and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Louisiana...and southern Mississippi.
This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
New Orleans.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3101 8935 3100 8934 3080 8934 3068 8984
3076 8983 3083 8978 3085 8979 3086 8977
3090 8978 3092 8975 3094 8976 3100 8973
3101 8951 3100 8947 3098 8947 3098 8943
3101 8942
TIME...MOT...LOC 0603Z 241DEG 42KT 3097 8952
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
PGThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 9:28 PM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 47 min |
| Apr 23, 10:12 PM CDT | Special Weather Statement | LIX | East Baton Rouge, West Baton Rouge | 33 min |
| Apr 23, 10:34 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, West Baton Rouge | 26 min |
| Apr 23, 10:47 PM CDT | Tornado Warning | LIX | East Baton Rouge, Livingston, West Baton Rouge | 28 min |
| Apr 23, 11:14 PM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena, Tangipahoa | 31 min |
| Apr 23, 11:46 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 44 min |
| Apr 24, 12:56 AM CDT | Special Weather Statement | LIX | East Baton Rouge, East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana | 64 min |
| Apr 24, 1:36 AM CDT | Special Weather Statement | LIX | Livingston | 24 min |
| Apr 24, 1:43 AM CDT | Special Weather Statement | LIX | Washington | 32 min |
| Apr 24, 1:50 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston, Saint Helena, Tangipahoa | 25 min |
| Apr 24, 2:17 AM CDT | Special Weather Statement | LIX | Ascension, Livingston, Tangipahoa, Washington | 43 min |
| Apr 24, 3:00 AM CDT | Special Weather Statement | LIX | Assumption, Saint James, Saint John the Baptist, Saint Tammany | 60 min |
| Apr 24, 3:02 AM CDT | Special Marine Warning | LIX | 58 min | |
| Apr 24, 3:21 AM CDT | Special Weather Statement | LIX | Ascension, East Baton Rouge, Livingston, Saint John the Baptist, Tangipahoa | 39 min |
| Apr 24, 3:30 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint James, Saint John the Baptist, Tangipahoa | 30 min |
| Apr 24, 3:55 AM CDT | Special Marine Warning | LIX | 65 min | |
| Apr 24, 3:59 AM CDT | Special Weather Statement | LIX | Orleans, Saint Charles | 61 min |
| Apr 24, 4:06 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 24 min |
| Apr 24, 5:36 AM CDT | Special Weather Statement | LIX | Saint Tammany | 39 min |
| Apr 24, 9:44 AM CDT | River Flood Warning | LIX | Tangipahoa | 3 days |
| Apr 24, 9:46 AM CDT | River Flood Warning | LIX | Saint Tammany | 48 hr |
| Apr 24, 11:12 AM CDT | River Flood Warning | LIX | Saint Tammany | 21 days |
| Apr 24, 11:12 AM CDT | River Flood Warning | LIX | Washington | 72 hr |
| Apr 23, 8:17 PM CDT | Special Weather Statement | LIX | Pike, Walthall | 28 min |
| Apr 23, 8:47 PM CDT | Special Weather Statement | LIX | Wilkinson | 28 min |
| Apr 23, 9:20 PM CDT | River Flood Warning | LIX | Pike, Walthall | 70 hr |
| Apr 23, 10:02 PM CDT | Severe Thunderstorm Warning | LIX | Walthall | 13 min |
| Apr 24, 1:16 AM CDT | Special Weather Statement | LIX | Amite, Pike | 59 min |
| Apr 24, 1:26 AM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike, Walthall, Wilkinson | 49 min |
| Apr 24, 1:41 AM CDT | Special Weather Statement | LIX | Pearl River | 34 min |
| Apr 24, 2:35 AM CDT | Special Weather Statement | LIX | Amite, Pike | 40 min |
| Apr 24, 3:42 AM CDT | Severe Thunderstorm Warning | LIX | Pearl River | 18 min |
| Apr 24, 4:30 AM CDT | Special Weather Statement | LIX | Hancock, Harrison | 75 min |
| Apr 24, 4:53 AM CDT | Severe Thunderstorm Warning | LIX | Jackson | 52 min |
| Apr 24, 11:13 AM CDT | River Flood Warning | LIX | Pearl River | 46 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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.