Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Mar 24, 2021, 2:16 AM CDT for Jefferson Parish, Louisiana. It was in force for 14 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
- Mar 24, 2021, 2:16 AM CDT (07:16 UTC)
- Expired
- Mar 24, 2021, 2:30 AM CDT
- In force
- 14 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Jefferson Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 112 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
- 545 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -336 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
870
WUUS54 KLIX 240716
SVRLIX
LAC051-240730-
/O.NEW.KLIX.SV.W.0016.210324T0716Z-210324T0730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
216 AM CDT Wed Mar 24 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
Southeastern Jefferson Parish in southeastern Louisiana...
* Until 230 AM CDT.
* At 216 AM CDT, a severe thunderstorm was located 8 miles east of
Leeville, or 20 miles southeast of Galliano, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Grand Isle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2925 8998 2930 8998 2932 8999 2933 8997
2928 8997 2928 8994 2929 8993 2924 8997
2920 9005
TIME...MOT...LOC 0716Z 259DEG 40KT 2923 9006
HAIL...<.75IN
WIND...60MPH
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:35 PM CDT | Areal Flood Advisory | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles | 5 hr |
| Mar 23, 9:26 PM CDT | Special Marine Warning | LIX | 64 min | |
| Mar 24, 12:39 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Mar 24, 12:44 AM CDT | Special Marine Warning | LIX | 16 min | |
| Mar 24, 2:10 AM CDT | Special Weather Statement | LIX | Jefferson | 65 min |
| Mar 24, 2:26 AM CDT | Special Weather Statement | LIX | Lafourche, Terrebonne | 64 min |
| Mar 24, 2:40 AM CDT | Special Weather Statement | LIX | Plaquemines | 65 min |
| Mar 24, 2:51 AM CDT | Special Marine Warning | LIX | 114 min | |
| Mar 24, 3:04 AM CDT | Flash Flood Warning | LIX | Terrebonne | 3 hr |
| Mar 24, 3:59 AM CDT | Special Weather Statement | LIX | Jefferson | 61 min |
| Mar 24, 4:14 AM CDT | Areal Flood Advisory | LIX | Saint Tammany, Washington | 3 hr |
| Mar 24, 4:25 AM CDT | Special Marine Warning | LIX | 35 min | |
| Mar 24, 4:36 AM CDT | Special Weather Statement | LIX | Plaquemines | 39 min |
| Mar 24, 4:41 AM CDT | Severe Thunderstorm Warning | LIX | Plaquemines | 19 min |
| Mar 24, 4:59 AM CDT | Special Marine Warning | LIX | 2 hr | |
| Mar 24, 2:47 PM CDT | Wind Advisory | LIX | Assumption, East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, Saint Bernard and 7 more | 25 hr |
| Mar 24, 3:43 PM CDT | Special Weather Statement | LIX | West Feliciana | 32 min |
Nearby
Severe 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.