Alert archive / Louisiana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 21, NWS New Orleans, LA

March 15, 2025Saint Helena Parish, Tangipahoa Parish, Washington Parish, Louisiana; Amite County, Pike County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 15, 2025, 11:59 AM CDT for Saint Helena Parish, Tangipahoa Parish, Washington Parish, Louisiana; Amite County, Pike County, Mississippi. It was in force for 46 min. 4 reports 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: Mar 15, 2025, 11:59 AM CDT (16:59 UTC)
Expired: Mar 15, 2025, 12:45 PM CDT
In force: 46 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Amite County, MS, Pike County, MS

The radar

The Hammond radar (KHDC), 50 km from the middle of the area, began a volume at 17:00 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.

What was reported inside it

Time	Report	Where	Remark
Mar 15, 12:17 PM CDT	TORNADO	2 Ene Kentwood, LA	This is the starting point of the EF4 170MPH 1400 yard wide tornado that tracked into Pike County and Walthalll County MS and up through eastern MS. EF1 damage was noted in Tangipahoa parish.
Mar 15, 12:19 PM CDT	TORNADO	6 Ene Kentwood, LA	Structural damage and roads blocked; likely tornado.
Mar 15, 12:25 PM CDT	TORNADO	5 E Osyka, MS	This is the crossing point from Tangipahoa Parish LA to Pike County MS of the EF4 170MPH 1400 yard wide tornado that tracked into Walthall County MS and through eastern MS. EF2 damage was noted in Pike County.
Mar 15, 12:30 PM CDT	TSTM WND DMG	1 Ne Easleyville, LA	Multiple powerlines down due to thunderstorm winds across rural northeastern St. Helena Parish.

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
Mar 15, 10:31 AM CDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 104 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2106 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 485 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 372 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 14.6

Open this sounding in Storm Lab

The text

As transmitted.

731 
WUUS54 KLIX 151659
SVRLIX
LAC091-105-117-MSC005-113-151745-
/O.NEW.KLIX.SV.W.0021.250315T1659Z-250315T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New Orleans LA
1159 AM CDT Sat Mar 15 2025

The National Weather Service in New Orleans has issued a

* Severe Thunderstorm Warning for...
  Northern St. Helena Parish in southeastern Louisiana...
  Northern Tangipahoa Parish in southeastern Louisiana...
  Northwestern Washington Parish in southeastern Louisiana...
  Southern Pike County in southern Mississippi...
  Southeastern Amite County in southern Mississippi...

* Until 1245 PM CDT.

* At 1159 AM CDT, a severe thunderstorm was located over Greensburg,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Greensburg, Osyka, Tangipahoa, Darlington, Magnolia, Mount Herman,
  Wilmer, Kentwood, Mccomb Airport, Franklinton, Gillsburg,
  Easleyville, and Mccomb.

This includes the following Interstates...
 Interstate 55 in Louisiana between mile markers 51 and 66.
 Interstate 55 in Mississippi between mile markers 1 and 16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 600 PM CDT for southeastern
Louisiana...and southern Mississippi.

&&

LAT...LON 3104 9026 3100 9026 3100 9021 3086 9006
      3074 9073 3083 9084 3127 9051
TIME...MOT...LOC 1659Z 233DEG 31KT 3081 9071 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HRL

2 follow-up statements

449 
WWUS54 KLIX 151708
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1208 PM CDT Sat Mar 15 2025

LAC091-105-117-MSC005-113-151745-
/O.CON.KLIX.SV.W.0021.000000T0000Z-250315T1745Z/
St. Helena LA-Tangipahoa LA-Washington LA-Pike MS-Amite MS-
1208 PM CDT Sat Mar 15 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT
FOR NORTHEASTERN ST. HELENA...NORTHERN TANGIPAHOA AND NORTHWESTERN
WASHINGTON PARISHES...SOUTHERN PIKE AND SOUTHEASTERN AMITE
COUNTIES...

At 1208 PM CDT, a severe thunderstorm was located over Greensburg,
moving northeast at 35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Kentwood, Osyka, Mccomb Airport, Tangipahoa, Magnolia, Gillsburg,
Easleyville, Mount Herman, Franklinton, and Mccomb.

This includes the following Interstates...
 Interstate 55 in Louisiana between mile markers 54 and 66.
 Interstate 55 in Mississippi between mile markers 1 and 16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM CDT for southeastern
Louisiana...and southern Mississippi.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3104 9026 3100 9026 3100 9021 3086 9006
      3081 9062 3091 9074 3127 9051
TIME...MOT...LOC 1708Z 233DEG 31KT 3086 9064 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HRL

184 
WWUS54 KLIX 151731
SVSLIX

Severe Weather Statement
National Weather Service New Orleans LA
1231 PM CDT Sat Mar 15 2025

LAC091-MSC005-151741-
/O.CAN.KLIX.SV.W.0021.000000T0000Z-250315T1745Z/
St. Helena LA-Amite MS-
1231 PM CDT Sat Mar 15 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. HELENA PARISH
IN SOUTHEASTERN LOUISIANA AND SOUTHEASTERN AMITE COUNTIES IS
CANCELLED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 PM CDT for southeastern
Louisiana...and southern Mississippi.

&&

LAT...LON 3104 9026 3100 9026 3097 9018 3096 9016
      3092 9042 3101 9053 3118 9041
TIME...MOT...LOC 1731Z 233DEG 31KT 3098 9046 

$$

LAC105-117-MSC113-151745-
/O.CON.KLIX.SV.W.0021.000000T0000Z-250315T1745Z/
Tangipahoa LA-Washington LA-Pike MS-
1231 PM CDT Sat Mar 15 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT
FOR NORTH CENTRAL TANGIPAHOA...NORTHWESTERN WASHINGTON PARISHES IN
SOUTHEASTERN LOUISIANA AND SOUTHEASTERN PIKE COUNTIES...

At 1231 PM CDT, a severe thunderstorm was located over Osyka, or 16
miles northeast of Greensburg, moving northeast at 35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Osyka and Mount Herman.

This includes the following Interstates...
 Interstate 55 in Louisiana near mile marker 66.
 Interstate 55 in Mississippi between mile markers 1 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 600 PM CDT for southeastern
Louisiana...and southern Mississippi.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3104 9026 3100 9026 3097 9018 3096 9016
      3092 9042 3101 9053 3118 9041
TIME...MOT...LOC 1731Z 233DEG 31KT 3098 9046 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

KLG

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 15, 11:00 AM CDT	Special Weather Statement	LIX	East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena	60 min
Mar 15, 12:10 PM CDT	Tornado Warning	LIX	Saint Helena, Tangipahoa, Washington	50 min
Mar 15, 1:00 PM CDT	Tornado Warning	LIX	Tangipahoa, Washington	31 min
Mar 15, 1:08 PM CDT	Severe Thunderstorm Warning	LIX	East Feliciana, Iberville, Pointe Coupee, West Feliciana	52 min
Mar 15, 1:12 PM CDT	Areal Flood Advisory	LIX	East Baton Rouge, Saint Tammany, West Baton Rouge	15 days
Mar 15, 1:43 PM CDT	Tornado Warning	LIX	Saint Tammany, Tangipahoa, Washington	47 min
Mar 15, 1:46 PM CDT	Tornado Warning	LIX	Saint Helena, Tangipahoa	44 min
Mar 15, 2:10 PM CDT	Flash Flood Warning Emergency	LIX	East Baton Rouge, West Baton Rouge	14 days
Mar 15, 3:27 PM CDT	High Wind Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Tammany	4 hr
Mar 15, 4:05 PM CDT	Special Marine Warning	LIX		25 min
Mar 15, 4:17 PM CDT	Tornado Warning	LIX	Saint Tammany	28 min
Mar 15, 4:22 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Saint Charles, Saint John the Baptist	53 min
Mar 15, 4:27 PM CDT	Tornado Warning	LIX	Saint Tammany, Washington	12 min
Mar 15, 4:36 PM CDT	Special Marine Warning	LIX		54 min
Mar 15, 4:51 PM CDT	Areal Flood Advisory	LIX	Jefferson, Lafourche, Saint Charles, Saint John the Baptist	62 min
Mar 15, 5:09 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	51 min
Mar 15, 5:20 PM CDT	Areal Flood Advisory	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles	72 min
Mar 15, 5:31 PM CDT	Flash Flood Warning Emergency	LIX	Saint Tammany	15 days
Mar 15, 5:32 PM CDT	Severe Thunderstorm Warning	LIX	Orleans, Saint Tammany	43 min
Mar 15, 5:52 PM CDT	Flash Flood Warning Emergency	LIX	Jefferson, Orleans	15 days
Mar 15, 6:18 PM CDT	Special Weather Statement	LIX	Orleans	57 min
Mar 15, 10:26 AM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	49 min
Mar 15, 10:35 AM CDT	Tornado Warning	LIX	Amite, Wilkinson	29 min
Mar 15, 12:38 PM CDT	Tornado Warning EmergencyTornado observedConsiderable damage threat	LIX	Pike, Walthall	26 min
Mar 15, 1:14 PM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	40 min
Mar 15, 1:23 PM CDT	Tornado Warning	LIX	Walthall	23 min
Mar 15, 6:25 PM CDT	Special Weather Statement	LIX	Jackson	20 min
Mar 15, 6:39 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	21 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2025 Severe Thunderstorm Warnings in Mississippi, 2025 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.