Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 15, NWS New Orleans, LA

January 6, 1995Jefferson Parish, Plaquemines Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 6, 1995, 3:18 PM CST for Jefferson Parish, Plaquemines Parish, Louisiana. It was in force for 57 min.

The area

The counties it named.

The facts

Issued: Jan 6, 1995, 3:18 PM CST (21:18 UTC)
Expired: Jan 6, 1995, 4:15 PM CST
In force: 57 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Jefferson Parish, LA, Plaquemines Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.3 hours before the alert went out and 75 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 375 m²/s²
0-3 km storm-relative helicity: 534 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jan 6, 2:13 PM CST, 1 hour 5 minutes before

LAZ037-049-050-062110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
213 PM CST FRI JAN 6 1995

...TORNADO WATCH REMAINS IN EFFECT FOR ST HELENA...LIVINGSTON...AND
ASCENSION PARISHES...

AT 205 PM CST RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 5
MILES WEST OF THIBODAUX EXTENDING NORTHEAST THROUGH BOGALUSA TO 20 MILES
WEST OF HATTIESBURG MISSISSIPPI.  THE LINE WAS MOVING TOWARD THE
SOUTHEAST AT 35 MPH.  NO FURTHER DEVELOPMENT NOTED WEST OF THIS LINE.

Special weather statement, Jan 6, 3:15 PM CST, 3 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
Jan 6, 9:30 AM CST	Severe Thunderstorm Warning	LIX	Catahoula	60 min
Jan 6, 10:00 AM CST	Severe Thunderstorm Warning	LIX	Concordia	60 min
Jan 6, 10:35 AM CST	Severe Thunderstorm Warning	LIX	Avoyelles, Saint Landry	55 min
Jan 6, 11:12 AM CST	Severe Thunderstorm Warning	LIX	East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana	63 min
Jan 6, 11:12 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, Saint Helena	63 min
Jan 6, 11:16 AM CST	Severe Thunderstorm Warning	LIX	Iberia, Saint Martin	59 min
Jan 6, 11:33 AM CST	Severe Thunderstorm Warning	LIX	Iberville	57 min
Jan 6, 12:19 PM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana, Saint Helena, West Baton Rouge	56 min
Jan 6, 12:22 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	68 min
Jan 6, 12:25 PM CST	Severe Thunderstorm Warning	LIX	Iberville	65 min
Jan 6, 1:25 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	65 min
Jan 6, 2:20 PM CST	Severe Thunderstorm Warning	LIX	Jefferson, Orleans	40 min
Jan 6, 2:24 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany	49 min
Jan 6, 2:45 PM CST	Severe Thunderstorm Warning	LIX	Lafourche, Terrebonne	60 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995 Every severe thunderstorm warning in 1995

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.