Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 87, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at May 2, 2021, 8:43 AM CDT for Pearl River County, Mississippi; Saint Tammany Parish, Louisiana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 2, 2021, 8:43 AM CDT (13:43 UTC)
- Expired
- May 2, 2021, 9:30 AM CDT
- In force
- 47 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.7 hours before the alert went out and 57 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
- 793 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
537
WUUS54 KLIX 021343
SVRLIX
LAC103-MSC109-021430-
/O.NEW.KLIX.SV.W.0087.210502T1343Z-210502T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
843 AM CDT Sun May 2 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
North central St. Tammany Parish in southeastern Louisiana...
Pearl River County in southern Mississippi...
* Until 930 AM CDT.
* At 842 AM CDT, a severe thunderstorm was located near Bush, or 10
miles west of Picayune, moving northeast at 40 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, Sun, Crossroads, Mcneil and Bush.
This includes Interstate 59 in Mississippi between mile markers 16
and 36.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3085 8934 3046 8983 3058 8999 3067 8991
3066 8985 3067 8984 3070 8985 3072 8983
3075 8983 3100 8960 3100 8955 3101 8954
TIME...MOT...LOC 1342Z 222DEG 33KT 3059 8984
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
709
WWUS54 KLIX 021408
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
908 AM CDT Sun May 2 2021
LAC103-021417-
/O.CAN.KLIX.SV.W.0087.000000T0000Z-210502T1430Z/
St. Tammany LA-
908 AM CDT Sun May 2 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ST. TAMMANY
PARISH IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3085 8934 3058 8973 3066 8985 3068 8984
3069 8985 3070 8984 3070 8985 3072 8983
3075 8983 3100 8960 3100 8955 3101 8954
TIME...MOT...LOC 1407Z 221DEG 26KT 3070 8973
$$
MSC109-021430-
/O.CON.KLIX.SV.W.0087.000000T0000Z-210502T1430Z/
Pearl River MS-
908 AM CDT Sun May 2 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR CENTRAL PEARL RIVER COUNTY...
At 907 AM CDT, a severe thunderstorm was located near Mcneil, or 9
miles southeast of Bogalusa, moving northeast at 30 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, Crossroads and Mcneil.
This includes Interstate 59 in Mississippi between mile markers 18
and 36.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3085 8934 3058 8973 3066 8985 3068 8984
3069 8985 3070 8984 3070 8985 3072 8983
3075 8983 3100 8960 3100 8955 3101 8954
TIME...MOT...LOC 1407Z 221DEG 26KT 3070 8973
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:38 AM CDT | Special Weather Statement | LIX | Pearl River | 52 min |
| May 2, 3:34 AM CDT | Small Craft Advisory | LIX | 39 hr | |
| May 2, 5:04 AM CDT | Areal Flood Advisory | LIX | East Baton Rouge, Iberville, West Baton Rouge | 3 hr |
| May 2, 5:39 AM CDT | Special Weather Statement | LIX | Assumption | 51 min |
| May 2, 5:43 AM CDT | Special Weather Statement | LIX | Saint James | 47 min |
| May 2, 6:33 AM CDT | Special Weather Statement | LIX | Livingston, Saint John the Baptist, Tangipahoa | 72 min |
| May 2, 6:56 AM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena, Tangipahoa | 49 min |
| May 2, 6:58 AM CDT | Special Marine Warning | LIX | 47 min | |
| May 2, 7:40 AM CDT | Special Marine Warning | LIX | 65 min | |
| May 2, 7:45 AM CDT | Special Weather Statement | LIX | Saint Tammany | 60 min |
| May 2, 8:07 AM CDT | Special Weather Statement | LIX | Saint Tammany | 23 min |
| May 2, 8:32 AM CDT | Special Weather Statement | LIX | Saint Tammany | 43 min |
| May 2, 8:37 AM CDT | Special Marine Warning | LIX | 38 min | |
| May 2, 9:03 AM CDT | Special Marine Warning | LIX | 57 min | |
| May 2, 9:17 AM CDT | Special Weather Statement | LIX | Lafourche | 28 min |
| May 2, 9:33 AM CDT | Special Weather Statement | LIX | Jefferson | 42 min |
| May 2, 9:44 AM CDT | Special Weather Statement | LIX | Lafourche, Saint Charles, Saint James, Saint John the Baptist | 31 min |
| May 2, 10:05 AM CDT | Special Marine Warning | LIX | 55 min | |
| May 2, 10:18 AM CDT | Special Weather Statement | LIX | Orleans | 57 min |
| May 2, 10:20 AM CDT | Special Weather Statement | LIX | Jefferson | 55 min |
| May 2, 10:51 AM CDT | Special Marine Warning | LIX | 54 min | |
| May 2, 11:03 AM CDT | Special Marine Warning | LIX | 57 min | |
| May 2, 11:21 AM CDT | Special Weather Statement | LIX | Plaquemines | 54 min |
| May 2, 11:56 AM CDT | Special Marine Warning | LIX | 64 min | |
| May 2, 1:24 PM CDT | Special Marine Warning | LIX | 66 min | |
| May 2, 4:32 PM CDT | Special Marine Warning | LIX | 44 min | |
| May 2, 5:31 PM CDT | Special Marine Warning | LIX | 89 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2021Severe Thunderstorm Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive.