Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 42, NWS New Orleans, LA

June 27, 2001Livingston Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jun 27, 2001, 9:20 AM CDT for Livingston Parish, Louisiana. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 27, 2001, 9:20 AM CDT (14:20 UTC)
Expired: Jun 27, 2001, 9:45 AM CDT
In force: 25 min
Issued by: NWS New Orleans, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Livingston Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.3 hours before the alert went out and 95 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: 2889 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 62 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.

444 
WFUS54 KLIX 271421
TORNEW
LAC063-271445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
920 AM CDT WED JUN 27 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 945 AM CDT

* AT 916 AM CDT...THE STATE POLICE REPORTED A FUNNEL CLOUD JUST 
SOUTH OF I-12 NEAR DENHAMS SPRINGS MOVING NORTHEAST AT 10 MPH. THIS 
STORM WAS IN ADVANCE OF A SQUALL LINE LOCATED ABOUT 5 MILES WEST OF 
THIS STORM. A TORNADO CAN DEVELOP FROM THIS SITUTION QUITE RAPIDLY.

SEEK SHELTER ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET OR BATHROOM.

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

LAT...LON 3031 9079 3034 9074 3034 9069 3036 9063
          3038 9053 3042 9052 3046 9056 3063 9059
          3047 9095 3037 9092

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 11:00 AM CDT	Severe Thunderstorm Warning	LIX	Lafourche, Terrebonne	60 min
Jun 27, 12:22 PM CDT	Severe Thunderstorm Warning	LIX	Plaquemines, Saint Bernard	38 min
Jun 27, 2:45 PM CDT	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	60 min
Jun 27, 3:50 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, Iberville, Pointe Coupee, West Baton Rouge	55 min

Nearby

Tornado Warnings in Louisiana, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.