Severe Thunderstorm Warning 109, NWS New Orleans, LA

Issued

Jul 14, 2000, 5:45 PM CDT (22:45 UTC)

Expired

Jul 14, 2000, 6:45 PM CDT

In force

60 min

Issued by

NWS New Orleans, LA

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Plaquemines Parish, LA, Saint Bernard Parish, LA

000 
WUUS54 KLIX 142246
SVRNEW
LAC075-087-142345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
545 PM CDT FRI JUL 14 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PLAQUEMINES PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF PORT SULPHUR
  ST. BERNARD PARISH IN SOUTHEAST LOUISIANA

* UNTIL 645 PM CDT

* AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 12 MILES NORTH OF MYRTLE GROVE TO
  8 MILES SOUTHEAST OF YSCLOSKEY...OR FROM 7 MILES SOUTHEAST OF BELLE
  CHASSE TO 20 MILES NORTHEAST OF PORT SULPHUR...MOVING SOUTH AT 15
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MYRTLE GROVE BY 625 PM CDT
  PORT SULPHUR BY 645 PM CDT

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

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

LAT...LON 2989 9002 2983 8949 2940 8941 2946 8994

NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 2:05 PM CDT, 3 hours 40 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
205 PM CDT FRI JUL 14 2000

HOT AND DRY CONDITIONS EXPECTED THROUGH THE WEEKEND.

MODELS KEEP THE UPPER HIGH OVER THE CENTRAL ROCKIES THROUGH LATE
TUESDAY. AN UPPER TROUGH WILL DEEPEN OVER THE EAST COAST. RIDGE OF
HIGH PRESSURE WILL REMAIN OVER THE GULF OF MEXICO THROUGH THE
PERIOD. SURFACE WINDS WILL REMAIN WEST TO NORTHWEST THROUGH SUNDAY.
NO SIGNIFICANT UPPER DYNAMICS ARE EXPECTED ACROSS THE WATCH AREA
THIS FORECAST PERIOD. THE ATMOSPHERE WILL SHOW CONSIDERABLE DRYING
SATURDAY THEN BEGIN SHOW AN INCREASE IN MID AND UPPER MOISTURE
SUNDAY. WHILE K VALUES REMAIN HIGH THE ABSENCE OF UPPER LEVEL
DYNAMICS INDICATE LITTLE SUPPORT FOR CONVECTION.

THE MAIN PROBLEM THIS FORECAST IS THE HIGH AFTERNOON TEMPERATURES
NEAR RECORD LEVELS. COUPLED WITH DEW POINTS IN THE UPPER 70S TO
LOWER 80S DANGEROUSLY HIGH HEAT INDICES ARE EXPECTED ACROSS THE AREA.
GUIDANCE TEMPERATURES FOR SATURDAY APPEAR TO BE SLIGHTLY LOW AND
WILL RAISE ACCORDINGLY. GUIDANCE LOWS ALSO APPEAR LOW AND WILL
RAISE ACCORDINGLY. WESTERLY WINDS AND NO UPPER DYNAMICS INDICATE
LITTLE IN THE WAY OF CONVECTION EVEN WITH THE HIGH TEMPERATURES
GENERATED BY SOLAR HEATING.

MCB 75/100/76/100 0001
BTR 79/099/79/100 0001
MSY 80/099/80/100 0001
GPT 80/098/80/099 0001

.NEW...HEAT ADVISORY IS EFFECT.
LA...NONE.
MS...NONE.

23

Severe Thunderstorm Warnings in Louisiana, 2000Every severe thunderstorm warning in 2000

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.