Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 20, NWS New Orleans, LA

March 5, 1992Washington Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Mar 5, 1992, 5:13 AM CST for Washington Parish, Louisiana. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Mar 5, 1992, 5:13 AM CST (11:13 UTC)
Expired
Mar 5, 1992, 6:15 AM CST
In force
62 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Washington Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.2 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 1992-03-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1992-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
7 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
875 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Mar 5, 4:52 AM CST, 21 minutes before
LAZ008-006-009-051200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
445 AM CST THU MAR 5 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 AM CST...
...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS MORNING...

AT 445 AM RADAR SHOWED STRONG THUNDERSTORMS WITH VERY RAINFALL CONTINUE
NEAR MELVILLE AND PORT BARRE TO NEAR BATON ROUGE AND CLINTON.  THESE
STRONG THUNDERSTORMS WILL CAUSE FLOODING OF ALL LOW LYING AREAS SUCH
AS STREETS AND UNDERPASSES.  MOTORISTS SHOULD ALLOW EXTRA TIME TO
REACH WORK AND SCHOOL.  THUNDERSTORMS WILL CONTINUE MOVING THROUGH MOST
OF EAST CENTRAL LOUISIANA THROUGH THE MORNING RUSH HOURS.

PEOPLE SHOULD REMAIN ALERT THROUGH THE MORNING qTO POSSIBLE SEVERE
WEATHER AND BE READY TO MOVE TO A SAFE PLACE QUICKLY.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 12:16 AM CSTTornado WarningLIXSaint Landry59 min
Mar 5, 1:30 AM CSTSevere Thunderstorm WarningLIXPointe Coupee, Saint Landry60 min
Mar 5, 2:23 AM CSTSevere Thunderstorm WarningLIXEast Feliciana, West Feliciana67 min
Mar 5, 3:08 AM CSTSevere Thunderstorm WarningLIXSaint Helena52 min
Mar 5, 3:31 AM CSTSevere Thunderstorm WarningLIXTangipahoa59 min
Mar 5, 3:50 AM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, West Baton Rouge55 min
Mar 5, 3:55 AM CSTSevere Thunderstorm WarningLIXWashington65 min
Mar 5, 4:41 AM CSTSevere Thunderstorm WarningLIXTangipahoa49 min
Mar 5, 5:49 AM CSTSevere Thunderstorm WarningLIXTangipahoa, Washington56 min
Mar 5, 7:19 AM CSTSevere Thunderstorm WarningLIXSaint Tammany56 min
Mar 5, 7:19 AM CSTSevere Thunderstorm WarningLIXWest Feliciana56 min
Mar 5, 7:54 AM CSTSevere Thunderstorm WarningLIXIberia, Saint Martin66 min
Mar 5, 8:03 AM CSTSevere Thunderstorm WarningLIXSt. Mary57 min
Mar 5, 8:14 AM CSTFlash Flood WarningLIXSaint Tammany, Tangipahoa, Washington4 hr
Mar 5, 8:15 AM CSTTornado WarningLIXIberville45 min
Mar 5, 8:15 AM CSTTornado WarningLIXSaint Landry45 min
Mar 5, 8:27 AM CSTSevere Thunderstorm WarningLIXTangipahoa63 min
Mar 5, 8:29 AM CSTTornado WarningLIXPointe Coupee27 min
Mar 5, 8:42 AM CSTSevere Thunderstorm WarningLIXLivingston48 min
Mar 5, 9:30 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa60 min
Mar 5, 9:55 AM CSTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard65 min
Mar 5, 10:34 AM CSTSevere Thunderstorm WarningLIXSaint Tammany41 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992

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.