Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 27, NWS New Orleans, LA

June 25, 2000Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jun 25, 2000, 5:40 PM CDT for Washington Parish, Louisiana. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 25, 2000, 5:40 PM CDT (22:40 UTC)
Expired
Jun 25, 2000, 6:15 PM CDT
In force
35 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Washington Parish, LA

What was reported inside it

TimeReportWhereRemark
Jun 25, 6:11 PM CDTTornado F0Franklinton, LAA small tornado briefly touched down near Highway 440 and Dewey Creel Road causing no damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.7 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 12:00Z on 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 823 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
823 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-6 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, in the capitals the NWS used until 2016.

000 
WFUS54 KLIX 252242
TORNEW
LAC117-252315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
540 PM CDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA

* UNTIL 615 PM CDT

* AT 540 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO 
  THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. ONE WAS 5 MILES   
  NORTHWEST OF BOGALUSA...MOVING EAST AT 15 MPH. THE OTHER WAS    
  LOCATED JUST NORTH OF FRANKLINTON MOVING EAST AT 15 MPH. 

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  PINE

GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NEW ORLEANS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:37 PM CDTSevere Thunderstorm WarningLIXJefferson, Plaquemines53 min
Jun 25, 6:32 PM CDTTornado WarningLIXSaint Tammany28 min
Jun 25, 6:56 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa34 min

Nearby

Tornado Warnings in Louisiana, 2000Every tornado warning in 2000Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.