Alert archive / Louisiana / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 80, NWS New Orleans, LA

May 13, 2024Pointe Coupee Parish, West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at May 13, 2024, 5:26 PM CDT for Pointe Coupee Parish, West Feliciana Parish, Louisiana. It was in force for 18 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 13, 2024, 5:26 PM CDT (22:26 UTC)
Expired
May 13, 2024, 5:44 PM CDT
In force
18 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Pointe Coupee Parish, LA, West Feliciana Parish, LA

The radar

The Hammond radar (KHDC), 110 km from the middle of the area, began a volume at 22:28 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.

IssuedProductOfficeLasted
May 13, 5:24 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.4 hours before the alert went out and 178 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2024-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2954 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2024-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2954 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
572 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
1.4
Supercell composite
5.8

Open this sounding in Storm Lab

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 13, 4:08 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 13, 4:08 PM CDT, 1 hour 18 minutes before
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In the hours before

Special weather statement, May 13, 3:09 PM CDT, 2 hours 17 minutes before
Special Weather Statement
National Weather Service New Orleans LA
309 PM CDT Mon May 13 2024

LAZ034-035-132045-
Pointe Coupee LA-West Feliciana LA-
309 PM CDT Mon May 13 2024

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL WEST
FELICIANA AND CENTRAL POINTE COUPEE PARISHES THROUGH 345 PM CDT
...

At 309 PM CDT, Doppler radar was tracking a strong thunderstorm near
Morganza, or 7 miles east of Melville, moving northeast at 25 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
New Roads, St. Francisville, Livonia, Fordoche, and Morganza.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3097 9158 3083 9131 3055 9157 3065 9175
      3066 9175
TIME...MOT...LOC 2009Z 211DEG 21KT 3067 9162

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

MSW

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:18 PM CDTSpecial Weather StatementLIXEast Feliciana27 min
May 13, 6:14 AM CDTSpecial Weather StatementLIXPointe Coupee, West Feliciana61 min
May 13, 7:49 AM CDTSpecial Weather StatementLIXEast Feliciana, Saint Helena, Tangipahoa56 min
May 13, 8:35 AM CDTSpecial Weather StatementLIXSaint Tammany, Tangipahoa55 min
May 13, 8:41 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa, Washington34 min
May 13, 8:45 AM CDTSpecial Marine WarningLIX60 min
May 13, 9:01 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa29 min
May 13, 9:17 AM CDTSpecial Marine WarningLIX58 min
May 13, 9:33 AM CDTSpecial Weather StatementLIXSaint Tammany57 min
May 13, 10:50 AM CDTRiver Flood WarningLIXWashington11 days
May 13, 3:09 PM CDTSpecial Weather StatementLIXPointe Coupee, West Feliciana36 min
May 13, 3:17 PM CDTSmall Craft AdvisoryLIX9 hr
May 13, 6:25 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana50 min
May 13, 6:36 PM CDTTornado WarningLIXIberville, Pointe Coupee, West Baton Rouge22 min
May 13, 6:37 PM CDTSevere Thunderstorm Warning Destructive damage threatLIXAscension, Assumption, Iberville53 min
May 13, 6:43 PM CDTTornado WarningLIXIberville15 min
May 13, 6:43 PM CDTTornado WarningLIXEast Baton Rouge, Pointe Coupee, West Baton Rouge16 min
May 13, 3:43 AM CDTSpecial Weather StatementLIXWalthall17 min
May 13, 3:54 AM CDTSpecial Weather StatementLIXAmite, Pike66 min

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.