Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 368, NWS New Orleans, LA

August 18, 1995Tangipahoa Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Aug 18, 1995, 5:03 PM CDT for Tangipahoa Parish, Louisiana. It was in force for 27 min.

The area

The counties it named.

The facts

Issued: Aug 18, 1995, 5:03 PM CDT (22:03 UTC)
Expired: Aug 18, 1995, 5:30 PM CDT
In force: 27 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Tangipahoa Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.1 hours before the alert went out and 80 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: 3999 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 890 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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

Local storm report, Aug 18, 12:47 PM CDT, 4 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1245 PM CDT FRI AUG  18 1995

TIME(CDT)  .....CITY LOCATION......STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION.....

0627 AM    75 S THIBODAUX VORTAC     LA   81 MPH WIND GUST
08/18/95   GULF OF MEXICO                 REPORTED BY HELICOPTER
                                          PILOT REPORT OFF AN OIL
                                          RIG PLATFORM.  SUSTAINED
                                          SURFACE WINDS 63 TO 69 MPH
                                          GUSTS TO 81 MPH.

Local storm report, Aug 18, 2:30 PM CDT, 2 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
229 PM CDT FRI AUG  18 1995

TIME(CDT)  .....CITY LOCATION......STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION.....

0200 PM    BATON ROUGE               LA   TORNADO
08/18/95   E BATON ROUGE                  ON THE GROUND 12 MINUTES.
                                          ONE ROOF REMOVED AND
                                          TREES DOWNED IN
                                          SHENANDOAH SUBDIVISION.
                                          REPORTED BY BATON ROUGE
                                          P.D. RELAYED BY WSO BTR.
RJR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 4:33 PM CDT	Severe Thunderstorm Warning	LIX	Tangipahoa	27 min
Aug 18, 2:51 PM CDT	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	24 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.