Alert archive / Louisiana / Special Weather Statements in 2023

Special Weather Statement, NWS New Orleans, LA

January 3, 2023Saint James Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jan 3, 2023, 11:21 PM CST for Saint James Parish, Louisiana. It was in force for 24 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: Jan 3, 2023, 11:21 PM CST (05:21 UTC)
Expired: Jan 3, 2023, 11:45 PM CST
In force: 24 min
Issued by: NWS New Orleans, LA
Hail: 0.50 in
Wind: 30

County Saint James Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.4 hours before the alert went out and 100 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: 2160 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 510 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 9.8

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
Jan 3, 7:03 PM CST	Special Weather Statement	LIX	Iberville	27 min
Jan 3, 7:27 PM CST	Special Weather Statement	LIX	Ascension	33 min
Jan 3, 7:36 PM CST	Special Weather Statement	LIX	East Feliciana	24 min
Jan 3, 7:41 PM CST	Special Weather Statement	LIX	Livingston	34 min
Jan 3, 7:47 PM CST	Severe Thunderstorm Warning	LIX	Ascension, East Baton Rouge, Livingston	28 min
Jan 3, 8:13 PM CST	Special Weather Statement	LIX	Livingston	32 min
Jan 3, 8:48 PM CST	Special Weather Statement	LIX	Tangipahoa	27 min
Jan 3, 9:18 PM CST	Special Weather Statement	LIX	Washington	27 min
Jan 3, 9:19 PM CST	Special Weather Statement	LIX	East Baton Rouge	26 min
Jan 3, 9:54 PM CST	Special Weather Statement	LIX	Livingston	36 min
Jan 3, 10:20 PM CST	Areal Flood Advisory	LIX	Livingston	115 min
Jan 3, 10:27 PM CST	Special Weather Statement	LIX	Tangipahoa	33 min
Jan 3, 10:49 PM CST	Special Weather Statement	LIX	Ascension, Saint James	26 min
Jan 3, 10:55 PM CST	Special Weather Statement	LIX	Saint Tammany	35 min
Jan 3, 11:19 PM CST	Special Weather Statement	LIX	Iberville	26 min
Jan 3, 11:45 PM CST	Special Marine Warning	LIX		45 min
Jan 3, 11:47 PM CST	Special Weather Statement	LIX	East Baton Rouge	28 min
Jan 3, 11:55 PM CST	Special Weather Statement	LIX	Terrebonne	35 min
Jan 4, 12:01 AM CST	Special Weather Statement	LIX	Saint John the Baptist	29 min
Jan 4, 12:25 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	20 min
Jan 4, 12:32 AM CST	Severe Thunderstorm Warning	LIX	Lafourche, Saint James, Terrebonne	43 min
Jan 4, 12:47 AM CST	Special Weather Statement	LIX	Saint Tammany	43 min
Jan 4, 1:07 AM CST	Areal Flood Advisory	LIX	Saint Tammany, Tangipahoa, Washington	3 hr
Jan 4, 1:07 AM CST	Special Marine Warning	LIX		53 min
Jan 4, 1:12 AM CST	Severe Thunderstorm Warning	LIX	Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more	33 min
Jan 4, 1:27 AM CST	Special Weather Statement	LIX	Orleans	48 min
Jan 4, 1:30 AM CST	Special Marine Warning	LIX		90 min
Jan 4, 1:48 AM CST	Areal Flood Advisory	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard, Saint Charles	3 hr
Jan 4, 1:50 AM CST	Special Weather Statement	LIX	Jefferson	25 min
Jan 4, 2:55 AM CST	Special Marine Warning	LIX		95 min
Jan 4, 4:35 AM CST	Special Marine Warning	LIX		87 min
Jan 4, 6:14 AM CST	River Flood Warning	LIX	Saint Tammany	3 days
Jan 4, 6:17 AM CST	River Flood Warning	LIX	Saint Tammany	3 days
Jan 4, 6:19 AM CST	River Flood Warning	LIX	Saint Tammany	35 hr
Jan 4, 6:42 AM CST	Special Marine Warning	LIX		63 min
Jan 4, 8:15 AM CST	River Flood Warning	LIX	Tangipahoa	44 hr
Jan 4, 3:22 PM CST	River Flood Warning	LIX	Saint Tammany	25 hr
Jan 3, 7:32 PM CST	Special Weather Statement	LIX	Wilkinson	28 min
Jan 3, 8:18 PM CST	Special Weather Statement	LIX	Pike	27 min
Jan 3, 8:31 PM CST	Special Weather Statement	LIX	Wilkinson	14 min
Jan 3, 9:44 PM CST	Special Weather Statement	LIX	Pearl River	31 min
Jan 3, 11:28 PM CST	Special Weather Statement	LIX	Hancock, Pearl River	32 min
Jan 3, 11:37 PM CST	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	23 min
Jan 4, 1:13 AM CST	Areal Flood Advisory	LIX	Pearl River	3 hr
Jan 4, 2:03 AM CST	Areal Flood Advisory	LIX	Hancock, Harrison, Pearl River	3 hr
Jan 4, 2:16 AM CST	Special Weather Statement	LIX	Harrison, Jackson	74 min
Jan 4, 3:31 AM CST	Special Weather Statement	LIX	Jackson	29 min
Jan 4, 6:07 AM CST	River Flood Warning	LIX	Pearl River	51 hr
Jan 4, 6:11 AM CST	River Flood Warning	LIX	Pearl River	51 hr
Jan 4, 2:23 PM CST	River Flood Warning	LIX	Harrison	53 hr

Nearby

Special Weather Statements in Louisiana, 2023 Every special weather statement in 2023

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.