Severe Thunderstorm Warning 80, NWS New Orleans, LA

000 
WWUS54 KLIX 032201
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
500 PM CDT SUN JUN 3 2007

LAC077-125-032210-
/O.EXP.KLIX.SV.W.0080.000000T0000Z-070603T2200Z/
POINTE COUPEE LA-WEST FELICIANA LA-
500 PM CDT SUN JUN 3 2007

...THE SEVERE THUNDERSTORM WARNING FOR WEST FELICIANA AND POINTE 
COUPEE PARISHES HAS BEEN ALLOWED TO EXPIRE AT 500 PM CDT...

THE THUNDERSTORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED PARISHES.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY
EVENING FOR SOUTHEAST LOUISIANA.

LAT...LON 3103 9164 3099 9167 3098 9166 3099 9164
      3100 9119 3079 9127 3088 9179 3100 9178
      3104 9173

$$

92/JSS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
356 PM CDT SUN JUN 3 2007

.SHORT TERM...
IN THE VERY SHORT TERM...NEWLY ISSUED SEVERE THUNDERSTORM WATCH
NUMBER 340 IS IN EFFECT UNTIL 8 PM CDT FOR THE PARISHES AND
COUNTIES WEST OF THE I-55 CORRIDOR DOWN TO LAFOURCHE PARISH.
PERSISTENT LINEAR MCS WITH DERECHO-LIKE CHARACTERISTICS AT TIMES
RACING EASTWARD NEAR 40 KT ACROSS ACADIANA AND ENTERING THE
ATCHAFALAYA BASIN AT THIS TIME. WHILE THE LINE IS BECOMING MORE
DISCRETE CELL ORIENTED...OCCASIONAL REGROUPING...MERGERS AND
BOWING FEATURES WILL BE CAPABLE OF PRODUCING LOCAL DAMAGING
DOWNBURST GUSTS OF AT LEAST THE FORWARD SPEED...40 KT AND UPWARDS
TO 60 KT THROUGH SUNSET. THIS ACTIVITY IS EXPECTED TO BE IN THE
BATON ROUGE AREA AROUND 5 PM AND NEW ORLEANS AROUND 630 PM BEFORE
WEAKENING NEAR THE PEARL RIVER VALLEY AT SUNSET. HAVE UPPED POPS
THROUGH 03Z THEN CUT BACK TO ISOLATED OVERNIGHT COVERAGE. TEMPS
NEAR GUIDANCE TONIGHT THROUGH MONDAY NIGHT. WILL ALSO INDICATE 40
PERCENT OVER LAND AREAS FOR MONDAY AFTERNOON FOR ANOTHER ROUND OF
NORTHWEST FLOW INSTABILITY.

.LONG TERM...
GFS INDICATES A SMALL BUT VIGOROUS IMPULSE MOVING ALONG THE
LOUISIANA COAST AND POSSIBLY PROVIDING A THUNDERSTORM THREAT
WEDNESDAY. THIS IS A CHANGE FROM EARLIER THINKING AND WILL SHOW 30
PERCENT NOW FOR WEDNESDAY AS SHORT-WAVE IMPULSE MOVES ACROSS AREA.
THEN INDICATING A DRYING AND WARMING TREND FOR THE LATTER HALF OF
THE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  68  89  68  90 /  30  40  10  30
BTR  70  89  70  90 /  30  40  10  30
MSY  73  89  73  90 /  30  40  10  30
GPT  73  88  72  90 /  30  40  10  30

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
GM...NONE.
MS...NONE.
GM...NONE.
&&

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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1106 AM CDT SUN JUN 3 2007

GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077-
080>082-041615-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-POINTE COUPEE-WEST FELICIANA-
EAST FELICIANA-ST. HELENA-TANGIPAHOA-WASHINGTON-ST. TAMMANY-
IBERVILLE-WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-
ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-
ST. CHARLES-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-
UPPER ST. BERNARD-UPPER TERREBONNE-LOWER TERREBONNE-
LOWER LAFOURCHE-LOWER JEFFERSON-LOWER PLAQUEMINES-
LOWER ST. BERNARD-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
1106 AM CDT SUN JUN 3 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF GULF OF
MEXICO...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE OUTLOOK
AREA DURING THE MID-AFTERNOON AND LINGER INTO THE EARLY EVENING
HOURS. SEVERE THUNDERSTORMS ARE NOT EXPECTED BUT SOME OF THE
STORMS MAY BECOME BRIEFLY STRONG WITH GUST POTENTIAL OF 25 TO 45
MPH...OCCASIONAL LIGHTNING AND BRIEFLY LOCALLY HEAVY RAINFALL.
WATERSPOUT DEVELOPMENT OVER THE AREA WATERWAYS AND COASTAL WATERS
WILL BE FAVORABLE THIS AFTERNOON UNDER RAPIDLY DEVELOPING SHOWERS
AND THUNDERSTORMS OVER WATER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SCATTERED THUNDERSTORMS ARE POSSIBLE MONDAY AFTERNOON AND AGAIN
TUESDAY. A PATTERN CHANGE ALOFT BY LATE TUESDAY WILL REDUCE
THUNDERSTORM DEVELOPMENT TO VERY LOW CHANCES WEDNESDAY THROUGH
SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

24