Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS New Orleans, LA

July 16, 2021East Feliciana Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jul 16, 2021, 4:28 PM CDT for East Feliciana Parish, Louisiana. It was in force for 62 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 16, 2021, 4:28 PM CDT (21:28 UTC)
Expired: Jul 16, 2021, 5:30 PM CDT
In force: 62 min
Issued by: NWS New Orleans, LA

County East Feliciana Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.5 hours before the alert went out and 133 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: 2218 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 672 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: -1 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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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 16, 4:04 PM CDT, 24 minutes earlier.

Area forecast discussion, Jul 16, 4:04 PM CDT, 24 minutes before

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In the hours before

Special weather statement, Jul 16, 3:38 PM CDT, 50 minutes before

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Special weather statement, Jul 16, 3:51 PM CDT, 37 minutes before

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Special weather statement, Jul 16, 3:56 PM CDT, 32 minutes before

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Special weather statement, Jul 16, 4:01 PM CDT, 27 minutes before

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Special weather statement, Jul 16, 4:06 PM CDT, 22 minutes before

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Special weather statement, Jul 16, 4:28 PM CDT, 0 minutes before

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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 16, 1:13 PM CDT	Special Weather Statement	LIX	Orleans	32 min
Jul 16, 1:20 PM CDT	Areal Flood Advisory	LIX	Jefferson, Orleans, Plaquemines	103 min
Jul 16, 1:29 PM CDT	Flash Flood Warning	LIX	Orleans	76 min
Jul 16, 1:45 PM CDT	Special Weather Statement	LIX	Orleans	30 min
Jul 16, 2:05 PM CDT	Special Marine Warning	LIX		55 min
Jul 16, 2:14 PM CDT	Special Marine Warning	LIX		61 min
Jul 16, 2:17 PM CDT	Special Weather Statement	LIX	Lafourche	28 min
Jul 16, 2:32 PM CDT	Special Weather Statement	LIX	Saint Charles	28 min
Jul 16, 2:37 PM CDT	Special Weather Statement	LIX	Washington	23 min
Jul 16, 2:43 PM CDT	Special Weather Statement	LIX	Saint James	32 min
Jul 16, 2:48 PM CDT	Special Weather Statement	LIX	Lafourche	27 min
Jul 16, 3:00 PM CDT	Special Weather Statement	LIX	Washington	30 min
Jul 16, 3:13 PM CDT	Special Weather Statement	LIX	Saint James	32 min
Jul 16, 3:17 PM CDT	Special Weather Statement	LIX	Iberville	43 min
Jul 16, 3:24 PM CDT	Special Weather Statement	LIX	Washington	36 min
Jul 16, 3:31 PM CDT	Areal Flood Advisory	LIX	Saint Tammany, Tangipahoa, Washington	3 hr
Jul 16, 3:34 PM CDT	Special Weather Statement	LIX	Tangipahoa	26 min
Jul 16, 3:38 PM CDT	Special Weather Statement	LIX	Saint James	37 min
Jul 16, 3:56 PM CDT	Special Weather Statement	LIX	Tangipahoa	34 min
Jul 16, 4:01 PM CDT	Special Weather Statement	LIX	East Baton Rouge	29 min
Jul 16, 4:06 PM CDT	Special Weather Statement	LIX	Jefferson	24 min
Jul 16, 4:16 PM CDT	Areal Flood Advisory	LIX	Saint Tammany, Tangipahoa, Washington	3 hr
Jul 16, 4:35 PM CDT	Areal Flood Advisory	LIX	Ascension, East Baton Rouge, Livingston	105 min
Jul 16, 5:16 PM CDT	Special Weather Statement	LIX	Saint Helena	44 min
Jul 16, 9:49 AM CDT	Special Weather Statement	LIX	Harrison	26 min
Jul 16, 11:04 AM CDT	Special Weather Statement	LIX	Jackson	26 min
Jul 16, 12:01 PM CDT	Special Weather Statement	LIX	Jackson	29 min
Jul 16, 3:51 PM CDT	Special Weather Statement	LIX	Amite	24 min
Jul 16, 4:51 PM CDT	Special Weather Statement	LIX	Pike, Walthall	24 min

Nearby

Special Weather Statements in Louisiana, 2021 Every special weather statement in 2021

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.