Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 80, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at May 6, 2025, 3:48 PM CDT for Livingston Parish, Saint Helena Parish, Tangipahoa Parish, Louisiana. It was in force for 25 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
- May 6, 2025, 3:48 PM CDT (20:48 UTC)
- Expired
- May 6, 2025, 4:13 PM CDT
- In force
- 25 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Livingston Parish, LA, Saint Helena Parish, LA, Tangipahoa Parish, LA
The radar
The Hammond radar (KHDC), 23 km from the middle of the area, began a volume at 20:50 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 8.8 hours before the alert went out and 195 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
- 1730 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 171 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 New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 6, 3:44 AM CDT, 12 hours 4 minutes earlier.
Area forecast discussion, May 6, 3:44 AM CDT, 12 hours 4 minutes before
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Special weather statement, May 6, 11:57 AM CDT, 3 hours 51 minutes before
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</html>Special weather statement, May 6, 1:28 PM CDT, 2 hours 20 minutes before
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</html>Local storm report, May 6, 2:07 PM CDT, 1 hour 41 minutes before
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</html>Local storm report, May 6, 3:07 PM CDT, 41 minutes before
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</html>Local storm report, May 6, 3:31 PM CDT, 17 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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</html>The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 12:53 AM CDT | Special Marine Warning | LIX | 67 min | |
| May 6, 1:51 AM CDT | Special Marine Warning | LIX | 54 min | |
| May 6, 2:40 AM CDT | Special Marine Warning | LIX | 65 min | |
| May 6, 3:44 AM CDT | Small Craft Advisory | LIX | 27 hr | |
| May 6, 11:20 AM CDT | River Flood Warning | LIX | Washington | 17 days |
| May 6, 11:20 AM CDT | River Flood Warning | LIX | Saint Tammany | 19 days |
| May 6, 11:21 AM CDT | River Flood Warning | LIX | Saint Tammany | 6 days |
| May 6, 11:23 AM CDT | River Flood Warning | LIX | Tangipahoa | 6 days |
| May 6, 11:57 AM CDT | Special Weather Statement | LIX | West Baton Rouge | 33 min |
| May 6, 11:59 AM CDT | Severe Thunderstorm Warning | LIX | Iberville | 46 min |
| May 6, 12:04 PM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 26 min |
| May 6, 12:26 PM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 49 min |
| May 6, 12:57 PM CDT | Severe Thunderstorm Warning | LIX | Iberville | 48 min |
| May 6, 1:28 PM CDT | Special Weather Statement | LIX | East Baton Rouge | 32 min |
| May 6, 1:41 PM CDT | Severe Thunderstorm Warning | LIX | Iberville, West Baton Rouge | 49 min |
| May 6, 2:30 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston, West Baton Rouge | 45 min |
| May 6, 3:11 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Livingston | 49 min |
| May 6, 5:31 PM CDT | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena, Tangipahoa | 44 min |
| May 6, 5:35 PM CDT | Special Marine Warning | LIX | 55 min | |
| May 6, 5:41 PM CDT | Severe Thunderstorm Warning | LIX | Ascension, Livingston, Saint John the Baptist, Tangipahoa | 49 min |
| May 6, 5:47 PM CDT | Special Weather Statement | LIX | Saint Charles, Saint John the Baptist | 43 min |
| May 6, 6:22 PM CDT | Special Weather Statement | LIX | Washington | 23 min |
| May 6, 11:21 AM CDT | River Flood Warning | LIX | Pike, Walthall | 71 hr |
| May 6, 11:22 AM CDT | River Flood Warning | LIX | Pearl River | 64 hr |
| May 6, 11:22 AM CDT | River Flood Warning | LIX | Pearl River | 64 hr |
| May 6, 4:16 PM CDT | Special Weather Statement | LIX | Amite, Wilkinson | 44 min |
| May 6, 4:48 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 42 min |
| May 6, 5:19 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 41 min |
| May 6, 5:58 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 18 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2025Every severe thunderstorm warning in 2025
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.