Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 274, NWS New Orleans, LA

November 8, 2000Washington Parish, Louisiana; Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 8, 2000, 1:01 PM CST for Washington Parish, Louisiana; Pearl River County, Mississippi. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 8, 2000, 1:01 PM CST (19:01 UTC)
Expired: Nov 8, 2000, 1:30 PM CST
In force: 29 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Washington Parish, LA, Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.0 hours before the alert went out and 63 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: 985 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KLIX 081901
SVRNEW
LAC117-MSC109-081930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
101 PM CST WED NOV 8 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF BOGALUSA
  PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 130 PM CST

* AT 1256 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BOGALUSA...OR ABOUT 5 MILES WEST OF
  BOGALUSA...MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  3 MILES NORTHWEST OF VARNADO AT 115 PM CST

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS.

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

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.

NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 8, 10:24 AM CST, 2 hours 37 minutes earlier.

Area forecast discussion, Nov 8, 10:24 AM CST, 2 hours 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1030 AM CST NOV 08 2000

FORECAST ON TRACK. WILL UPDATE ZONES TO ADJUST FOR THREAT OF SVR OVER
THE CWA AHEAD OF THE SQLN. WILL ADJUST THE SPEED OF THE CDFNT TO
MOVE IT A LITTLE FASTER BEGINNING LATE THIS AFTERNOON AND TONIGHT.
SHOULD SEE SOME ACCELERATION LATE TONIGHT AND EARLY THU.  MAY
INTRODUCE COOLER TEMPS FOR THE OUTLOOK PD.

.NEW...SCA PASCAGOULA TO ATCHAFALAYA RIVER...INCLUDING LAKES
PONTCHARTRAIN AND MAUREPAS.
LA...NONE.
MS...NONE.

17

In the hours before

Special weather statement, Nov 8, 9:48 AM CST, 3 hours 13 minutes before

LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-090000-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
1000 AM CST TUE NOV 7 2000

SCATTERED TO NUMEROUS THUNDERSTORMS WILL MOVE FROM WEST TO EAST
ACROSS SOUTHEAST LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT
COASTAL WATERS THIS AFTERNOON AND TONIGHT. THESE THUNDERSTORMS WILL
FORM A SQUALL LINE ALONG AND IN ADVANCE OF A COLD FRONT THAT WILL
MOVE INTO SOUTH CENTRAL LOUISIANA LATE THIS AFTERNOON AND CONTINUE
EAST THROUGH SOUTHEAST LOUISIANA TONIGHT...AND ACROSS COASTAL
MISSISSIPPI BY EARLY THURSDAY MORNING. SEVERE THUNDERSTORMS... HEAVY
RAINFALL..AND POSSIBLE TORNADOES CAN BE EXPECTED. ADDITIONALLY...
SCATTERED THUNDERSTORMS WILL DEVELOP WELL AHEAD OF THE SQUALL LINE
AND MAY PRODUCE AN ISOLATED SEVERE THUNDERSTORM DURING THE AFTERNOON
AND CONTINUE INTO THE NIGHT.

A SEVERE THUNDERSTORM OR TORNADO WATCH WILL LIKELY BE ISSUED FOR
PORTIONS OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON
AND TONIGHT.

FOR MORE WEATHER INFORMATION VISIT OUR WEB-SITE AT
WWW.SRH.NOAA.GOV/LIX (ALL LOWER CASE).

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 8, 11:53 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa	37 min
Nov 8, 11:57 AM CST	Tornado Warning	LIX	Saint Tammany, Tangipahoa	33 min
Nov 8, 12:28 PM CST	Tornado Warning	LIX	Saint Tammany, Washington	32 min
Nov 8, 12:20 PM CST	Severe Thunderstorm Warning	LIX	Pearl River	55 min
Nov 8, 3:57 PM CST	Severe Thunderstorm Warning	LIX	Wilkinson	33 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2000 Severe Thunderstorm Warnings in Mississippi, 2000 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.