Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 42, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 25, 2024, 4:20 PM CDT for Grant Parish, LaSalle Parish, Winn Parish, Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 25, 2024, 4:20 PM CDT (21:20 UTC)
- Expired
- Mar 25, 2024, 5:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grant Parish, LA, LaSalle Parish, LA, Winn Parish, LA
The radar
The Ft Polk radar (KPOE), 82 km from the middle of the area, began a volume at 21:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 25, 1:46 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 233 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
- 1 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 413 m²/s²
- 0-3 km storm-relative helicity
- 485 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 2:58 PM CDT, 1 hour 22 minutes earlier.
Area forecast discussion, Mar 25, 2:58 PM CDT, 1 hour 22 minutes before
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Hazardous Weather Outlook National Weather Service Shreveport LA 703 AM CDT Mon Mar 25 2024 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-TXZ097-112-126- 138-151-153-166-167-261215- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto- Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant- Caldwell-La Salle-Bowie-Cass-Marion-Harrison-Panola-Shelby- San Augustine- 703 AM CDT Mon Mar 25 2024 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... This Hazardous Weather Outlook is for south central and southwest Arkansas, for north central and northwest Louisiana, and for deep east Texas and portions of northeast Texas. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the Wind Advisory. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. A Slight to Enhanced Risk for severe storms remains for the ArkLaTex as the ongoing line of developing thunderstorms moves across I-30 this morning. The daytime heating on will boost the potential for severe thunderstorms in the line during the afternoon over deep east Texas, southern Arkansas and northern Louisiana. We can expect that any strong to severe storms will have the potential to bring down damaging winds, a few tornadoes, large hail and brief locally heavy rainfall. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The rest of the week is looking very nice and warm aside from a few more showers late on Wednesday for eastern Texas under the parent upper trough. The weekend will be partly cloudy and even warmer with low to mid 80s for high temperatures. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. OKZ077-TXZ096-108>111-124-125-136-137-149-150-152-165-261215- McCurtain-Red River-Franklin-Titus-Camp-Morris-Wood-Upshur-Smith- Gregg-Cherokee-Rusk-Nacogdoches-Angelina- 703 AM CDT Mon Mar 25 2024 This Hazardous Weather Outlook is for southeast Oklahoma, east Texas and northeast Texas. .DAY ONE...Today and tonight. A line of showers and thunderstorms is coming together in northeast Texas ahead of our next approaching cold front. The timing of this push this morning is going to keep these storms in check for the most part, but an isolated strong cluster will be possible. Gusty winds to 40 mph will be possible along with brief heavy rainfall and small hail. No other hazardous weather is expected at this time. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The rest of the week is looking very nice and warm aside from a few more showers late on Wednesday for eastern Texas under the parent upper trough. The weekend will be partly cloudy and even warmer with low to mid 80s for high temperatures. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. 24
In the hours before
Special weather statement, Mar 25, 12:23 PM CDT, 3 hours 57 minutes before
Special Weather Statement
National Weather Service Shreveport LA
1223 PM CDT Mon Mar 25 2024
TXZ152-165-251815-
Angelina TX-Nacogdoches TX-
1223 PM CDT Mon Mar 25 2024
...A STRONG THUNDERSTORM WILL IMPACT CENTRAL NACOGDOCHES AND
NORTHWESTERN ANGELINA COUNTIES THROUGH 115 PM CDT...
At 1223 PM CDT, Doppler radar was tracking a strong thunderstorm
near Apple Springs, moving northeast at 55 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Lufkin, Nacogdoches, Diboll, Hudson, Melrose, Woden, Martinsville,
Burke, Redland, Clawson, and Central.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3115 9485 3118 9485 3121 9487 3123 9486
3126 9490 3128 9488 3130 9490 3132 9490
3134 9491 3134 9495 3135 9496 3176 9451
3164 9439 3164 9438 3157 9430 3114 9483
TIME...MOT...LOC 1722Z 224DEG 49KT 3122 9490
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
15Special weather statement, Mar 25, 2:08 PM CDT, 2 hours 12 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 10:50 PM CDT | River Flood Warning | SHV | Anderson, Cherokee, Houston | 8 days |
| Mar 24, 10:50 PM CDT | River Flood Warning | SHV | Wood | 12 hr |
| Mar 25, 4:47 AM CDT | Special Weather Statement | SHV | Wood | 28 min |
| Mar 25, 10:03 AM CDT | Special Weather Statement | SHV | Camp, Morris | 42 min |
| Mar 25, 12:23 PM CDT | Special Weather Statement | SHV | Nacogdoches | 52 min |
| Mar 25, 2:08 PM CDT | Special Weather Statement | SHV | Bossier | 37 min |
| Mar 25, 2:37 PM CDT | Special Weather Statement | SHV | Webster | 38 min |
| Mar 25, 3:55 PM CDT | Special Weather Statement | SHV | Grant | 35 min |
| Mar 25, 4:45 PM CDT | Areal Flood Advisory | SHV | Caldwell, Grant, Jackson, LaSalle, Natchitoches, Ouachita and 1 more | 3 hr |
| Mar 25, 4:52 PM CDT | Special Weather Statement | SHV | Caldwell | 38 min |
| Mar 25, 5:02 PM CDT | Special Weather Statement | SHV | Grant, LaSalle | 28 min |
| Mar 25, 6:30 PM CDT | Areal Flood Advisory | SHV | Caldwell, Grant, LaSalle | 3 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2024Every severe thunderstorm warning in 2024
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; radar from the NEXRAD Level II archive.