Alert archive / Louisiana / Special Weather Statements in 2016

Special Weather Statement, NWS New Orleans, LA

July 11, 2016East Feliciana Parish, Louisiana

NWS New Orleans, LA issued this special weather statement at Jul 11, 2016, 4:40 PM CDT for East Feliciana Parish, Louisiana. It was in force for 35 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, 2016, 4:40 PM CDT (21:40 UTC)
Expired: Jul 11, 2016, 5:15 PM CDT
In force: 35 min
Issued by: NWS New Orleans, LA

County East Feliciana Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.7 hours before the alert went out and 182 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: 276 J/kg
Mixed-layer CIN: -151 J/kg
Mixed-layer LCL: 1222 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 10, 10:04 PM CDT	Special Marine Warning	LIX		26 min
Jul 11, 1:10 PM CDT	Special Weather Statement	LIX	Saint John the Baptist	35 min
Jul 11, 2:33 PM CDT	Special Weather Statement	LIX	Assumption	42 min
Jul 11, 3:11 PM CDT	Special Weather Statement	LIX	Ascension	49 min
Jul 11, 3:49 PM CDT	Special Weather Statement	LIX	East Baton Rouge, West Baton Rouge	41 min
Jul 11, 4:07 PM CDT	Special Weather Statement	LIX	West Feliciana	38 min
Jul 11, 4:22 PM CDT	Special Marine Warning	LIX		23 min
Jul 11, 4:45 PM CDT	Special Marine Warning	LIX		30 min
Jul 11, 5:13 PM CDT	Special Marine Warning	LIX		32 min
Jul 11, 5:16 PM CDT	Special Weather Statement	LIX	Hancock	44 min
Jul 11, 5:22 PM CDT	Special Weather Statement	LIX	Amite	23 min

Nearby

Special Weather Statements in Louisiana, 2016 Every special weather statement in 2016

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.