Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 76, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 23, 2021, 10:34 PM CDT for East Baton Rouge Parish, Livingston Parish, West Baton Rouge Parish, Louisiana. It was in force for 26 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
- Apr 23, 2021, 10:34 PM CDT (03:34 UTC)
- Expired
- Apr 23, 2021, 11:00 PM CDT
- In force
- 26 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties East Baton Rouge Parish, LA, Livingston Parish, LA, West Baton Rouge Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 23, 10:54 PM CDT | TSTM WND GST 56 | 4 S Baker, LA | REPORTED AT BATON ROUGE METROPOLITAN AIRPORT. |
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, 3.6 hours before the alert went out and 136 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.
046
WUUS54 KLIX 240334
SVRLIX
LAC033-063-121-240400-
/O.NEW.KLIX.SV.W.0076.210424T0334Z-210424T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1034 PM CDT Fri Apr 23 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
Southeastern West Baton Rouge Parish in southeastern Louisiana...
Northwestern Livingston Parish in southeastern Louisiana...
Southern East Baton Rouge Parish in southeastern Louisiana...
* Until 1100 PM CDT.
* At 1034 PM CDT, a severe thunderstorm was located over Merrydale,
or near Baton Rouge, moving east at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Baton Rouge, Baker, Denham Springs, Port Allen, Oak Hills Place,
Walker, Addis, Brusly, Livingston, Port Vincent, Westminster, Old
Jefferson, Merrydale, Inniswold, Watson, Village St. George,
Shenandoah, Gardere, Brownfields and Greenwell Spring.
This includes the following Interstates...
Interstate 10 in Louisiana between mile markers 144 and 167.
Interstate 12 between mile markers 1 and 28.
Interstate 110 in Louisiana between mile markers 1 and 8.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 400 AM CDT for southeastern
Louisiana.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3033 9131 3045 9139 3057 9125 3064 9073
3036 9060
TIME...MOT...LOC 0334Z 252DEG 41KT 3051 9113
HAIL...0.88IN
WIND...60MPH
$$The 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, 10:47 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, 12:28 AM CDT | Severe Thunderstorm Warning | LIX | Washington | 47 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 |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.