Alert archive / Louisiana / Flash Flood Warnings in 2026

Flash Flood Warning 108, NWS New Orleans, LA

July 11, 2026East Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Jul 11, 2026, 3:23 PM CDT for East Baton Rouge Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 11, 2026, 3:23 PM CDT (20:23 UTC)
Expired
Jul 11, 2026, 6:30 PM CDT
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
None

County East Baton Rouge Parish, LA

The radar

The Hammond radar (KHDC), 66 km from the middle of the area, began a volume at 20:22 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 138 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, Slidell Radar S, LA at 12:00Z on 2026-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1582 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, Slidell Radar S, LA at 12:00Z on 2026-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.1939Sfc1 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
1582 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
-34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 12:02 PM CDTSpecial Weather StatementLIXPlaquemines28 min
Jul 11, 12:34 PM CDTSpecial Weather StatementLIXWashington26 min
Jul 11, 12:49 PM CDTSpecial Weather StatementLIXOrleans41 min
Jul 11, 1:00 PM CDTSpecial Weather StatementLIXAssumption45 min
Jul 11, 1:09 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Saint Bernard11 min
Jul 11, 1:20 PM CDTFlash Flood WarningLIXJefferson, Orleans, Saint Bernard3 hr
Jul 11, 1:22 PM CDTSpecial Marine WarningLIX98 min
Jul 11, 1:31 PM CDTFlash Flood Warning Considerable damage threatLIXJefferson, Orleans4 hr
Jul 11, 1:35 PM CDTSpecial Weather StatementLIXOrleans, Saint John the Baptist25 min
Jul 11, 1:41 PM CDTSpecial Weather StatementLIXAscension, Assumption, Saint James34 min
Jul 11, 1:51 PM CDTFlash Flood WarningLIXSaint Charles3 hr
Jul 11, 2:03 PM CDTSpecial Weather StatementLIXSaint John the Baptist42 min
Jul 11, 2:21 PM CDTSpecial Weather StatementLIXTerrebonne39 min
Jul 11, 2:29 PM CDTSpecial Weather StatementLIXAscension31 min
Jul 11, 2:31 PM CDTSpecial Weather StatementLIXLivingston, Tangipahoa44 min
Jul 11, 2:33 PM CDTSpecial Weather StatementLIXWashington42 min
Jul 11, 2:47 PM CDTSpecial Weather StatementLIXEast Baton Rouge, West Baton Rouge28 min
Jul 11, 2:54 PM CDTSpecial Marine WarningLIX23 min
Jul 11, 2:55 PM CDTSpecial Weather StatementLIXAssumption50 min
Jul 11, 3:11 PM CDTAreal Flood AdvisoryLIXEast Baton Rouge12 min
Jul 11, 3:15 PM CDTSpecial Weather StatementLIXEast Baton Rouge, East Feliciana, West Baton Rouge45 min
Jul 11, 3:49 PM CDTSpecial Weather StatementLIXEast Feliciana, Pointe Coupee, West Feliciana41 min
Jul 11, 4:07 PM CDTSpecial Weather StatementLIXWest Baton Rouge38 min
Jul 11, 4:27 PM CDTSpecial Weather StatementLIXLafourche33 min
Jul 11, 4:31 PM CDTAreal Flood AdvisoryLIXEast Baton Rouge, Pointe Coupee, West Baton Rouge111 min
Jul 11, 5:48 PM CDTSpecial Marine WarningLIX57 min

Nearby

Flash Flood Warnings in Louisiana, 2026Every flash flood warning in 2026

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.