Alert archive / Louisiana / Special Weather Statements in 2026

Special Weather Statement, NWS New Orleans, LA

July 11, 2026Terrebonne Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jul 11, 2026, 2:21 PM CDT for Terrebonne Parish, Louisiana. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 11, 2026, 2:21 PM CDT (19:21 UTC)
Expired: Jul 11, 2026, 3:00 PM CDT
In force: 39 min
Issued by: NWS New Orleans, LA
Hail: 0.00 in
Wind: 40
Spout: Possible

County Terrebonne Parish, LA

The radar

The Hammond radar (KHDC), 134 km from the middle of the area, began a volume at 19:20 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, 7.4 hours before the alert went out and 160 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: 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 text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 12:02 PM CDT	Special Weather Statement	LIX	Plaquemines	28 min
Jul 11, 12:34 PM CDT	Special Weather Statement	LIX	Washington	26 min
Jul 11, 12:49 PM CDT	Special Weather Statement	LIX	Orleans	41 min
Jul 11, 1:00 PM CDT	Special Weather Statement	LIX	Assumption	45 min
Jul 11, 1:09 PM CDT	Areal Flood Advisory	LIX	Jefferson, Orleans, Saint Bernard	11 min
Jul 11, 1:20 PM CDT	Flash Flood Warning	LIX	Jefferson, Orleans, Saint Bernard	3 hr
Jul 11, 1:22 PM CDT	Special Marine Warning	LIX		98 min
Jul 11, 1:31 PM CDT	Flash Flood Warning Considerable damage threat	LIX	Jefferson, Orleans	4 hr
Jul 11, 1:35 PM CDT	Special Weather Statement	LIX	Orleans, Saint John the Baptist	25 min
Jul 11, 1:41 PM CDT	Special Weather Statement	LIX	Ascension, Assumption, Saint James	34 min
Jul 11, 1:51 PM CDT	Flash Flood Warning	LIX	Saint Charles	3 hr
Jul 11, 2:03 PM CDT	Special Weather Statement	LIX	Saint John the Baptist	42 min
Jul 11, 2:29 PM CDT	Special Weather Statement	LIX	Ascension	31 min
Jul 11, 2:31 PM CDT	Special Weather Statement	LIX	Livingston, Tangipahoa	44 min
Jul 11, 2:33 PM CDT	Special Weather Statement	LIX	Washington	42 min
Jul 11, 2:47 PM CDT	Special Weather Statement	LIX	East Baton Rouge, West Baton Rouge	28 min
Jul 11, 2:54 PM CDT	Special Marine Warning	LIX		23 min
Jul 11, 2:55 PM CDT	Special Weather Statement	LIX	Assumption	50 min
Jul 11, 3:11 PM CDT	Areal Flood Advisory	LIX	East Baton Rouge	12 min
Jul 11, 3:15 PM CDT	Special Weather Statement	LIX	East Baton Rouge, East Feliciana, West Baton Rouge	45 min
Jul 11, 3:23 PM CDT	Flash Flood Warning	LIX	East Baton Rouge	3 hr
Jul 11, 3:49 PM CDT	Special Weather Statement	LIX	East Feliciana, Pointe Coupee, West Feliciana	41 min
Jul 11, 4:07 PM CDT	Special Weather Statement	LIX	West Baton Rouge	38 min
Jul 11, 4:27 PM CDT	Special Weather Statement	LIX	Lafourche	33 min
Jul 11, 4:31 PM CDT	Areal Flood Advisory	LIX	East Baton Rouge, Pointe Coupee, West Baton Rouge	111 min
Jul 11, 5:48 PM CDT	Special Marine Warning	LIX		57 min

Nearby

Special Weather Statements in Louisiana, 2026 Every special weather statement 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.