Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 134, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jul 19, 2021, 2:46 PM CDT for Washington Parish, Louisiana; Walthall County, Mississippi. It was in force for 24 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
- Jul 19, 2021, 2:46 PM CDT (19:46 UTC)
- Expired
- Jul 19, 2021, 3:10 PM CDT
- In force
- 24 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Washington Parish, LA, Walthall County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 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
- 1729 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 762 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
012
WUUS54 KLIX 191946
SVRLIX
LAC117-MSC147-192030-
/O.NEW.KLIX.SV.W.0134.210719T1946Z-210719T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
246 PM CDT Mon Jul 19 2021
The National Weather Service in New Orleans has issued a
* Severe Thunderstorm Warning for...
Northern Washington Parish in southeastern Louisiana...
South central Walthall County in southern Mississippi...
* Until 330 PM CDT.
* At 246 PM CDT, a severe thunderstorm was located over Franklinton,
moving northeast at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bogalusa and Franklinton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3080 8986 3078 9017 3092 9024 3108 8996
3097 8985
TIME...MOT...LOC 1946Z 245DEG 16KT 3088 9016
HAIL...0.88IN
WIND...60MPH
$$
KLG2 follow-up statements
254
WWUS54 KLIX 192001
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
301 PM CDT Mon Jul 19 2021
LAC117-MSC147-192030-
/O.CON.KLIX.SV.W.0134.000000T0000Z-210719T2030Z/
Washington LA-Walthall MS-
301 PM CDT Mon Jul 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHEASTERN WASHINGTON PARISH IN SOUTHEASTERN LOUISIANA AND
SOUTHERN WALTHALL COUNTIES...
At 301 PM CDT, a severe thunderstorm was located near Franklinton,
moving northeast at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northeastern Washington Parish in southeastern Louisiana and southern
Walthall Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3082 8986 3084 9004 3093 9009 3104 8992
3097 8985
TIME...MOT...LOC 2001Z 245DEG 16KT 3091 9009
HAIL...0.75IN
WIND...60MPH
$$
KLG444
WWUS54 KLIX 192010
SVSLIX
Severe Weather Statement
National Weather Service New Orleans LA
310 PM CDT Mon Jul 19 2021
LAC117-MSC147-192020-
/O.CAN.KLIX.SV.W.0134.000000T0000Z-210719T2030Z/
Washington LA-Walthall MS-
310 PM CDT Mon Jul 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON PARISH
IN SOUTHEASTERN LOUISIANA AND SOUTHERN WALTHALL COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
However gusty winds in excess of 40 mph and pea sized hail are still
possible with this thunderstorm.
LAT...LON 3082 8986 3084 9004 3093 9009 3104 8992
3097 8985
TIME...MOT...LOC 2007Z 245DEG 16KT 3093 9005
$$
KLGThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:16 AM CDT | River Flood Warning | LIX | Tangipahoa | 4 days |
| Jul 19, 9:48 AM CDT | River Flood Warning | LIX | Saint Tammany | 13 days |
| Jul 19, 12:39 PM CDT | Special Marine Warning | LIX | 40 min | |
| Jul 19, 2:11 PM CDT | Special Weather Statement | LIX | Tangipahoa | 34 min |
| Jul 19, 3:38 PM CDT | Special Weather Statement | LIX | Pointe Coupee | 52 min |
| Jul 19, 1:49 PM CDT | Special Weather Statement | LIX | Amite | 41 min |
| Jul 19, 3:07 PM CDT | Special Weather Statement | LIX | Wilkinson | 38 min |
| Jul 19, 3:09 PM CDT | Special Weather Statement | LIX | Pearl River | 36 min |
| Jul 19, 3:22 PM CDT | Special Weather Statement | LIX | Harrison | 38 min |
| Jul 19, 3:51 PM CDT | Special Weather Statement | LIX | Jackson | 24 min |
| Jul 19, 4:15 PM CDT | Special Weather Statement | LIX | Jackson | 45 min |
| Jul 19, 4:30 PM CDT | Areal Flood Advisory | LIX | Jackson | 2 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; the sounding from the Mesonet's radiosonde archive.