HAZARDOUS WEATHER OUTLOOK Issue Date: 847 PM CST MON NOV 30 2009 Expiration: 900 PM CST TUE DEC 01 2009 Expires:200912020300;;
FLUS44 KLIX 010246
HWOLIX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
846 PM CST MON NOV 30 2009
GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077-
080>082-020300-
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-
846 PM CST MON NOV 30 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...TONIGHT
SMALL CRAFT ADVISORY IS IN EFFECT IS IN EFFECT FOR THE COASTAL
WATERS TONIGHT. SMALL CRAFT SHOULD CONTINUE TO EXERCISE CAUTION ON
LAKES PONTCHARTRAIN AND MAUREPAS.
RIVER FLOODING WILL CONTINUE ALONG THE LOWER ATCHAFALAYA RIVER AT
MORGAN CITY. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENT FOR
DETAILS.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
A STRONG LOW PRESSURE SYSTEM DEVELOPING IN THE WEST GULF OF MEXICO
WILL MOVE INTO SOUTHEAST LOUISIANA TUESDAY NIGHT AND SOUTHERN
MISSISSIPPI BY WEDNESDAY MORNING. THERE WILL BE VARIOUS THREATS
WITH THE PASSAGE OF THIS SYSTEM.
SEVERE WEATHER...ISOLATED TORNADOES AND LOCALIZED HIGH GUSTS NEAR
60 MPH ARE POSSIBLE MAINLY IN LOWER SOUTHEAST LOUISIANA AND THE
COASTAL MISSISSIPPI COUNTIES MAINLY TUESDAY NIGHT AFTER MIDNIGHT
THROUGH SUNRISE WEDNESDAY.
COASTAL FLOODING...A COASTAL FLOOD WATCH IS IN EFFECT FOR COASTAL
MISSISSIPPI AND COASTAL LOUISIANA FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING. TIDES MAY REACH 2 FEET ABOVE NORMAL ALONG EAST
FACING SHORES...PARTICULARLY AT HIGH TIDE TUESDAY NIGHT.
HEAVY RAINFALL AND FLOODING...EFFICIENT RAINFALL FOR SEVERAL HOURS
MAY PRODUCE STORM ACCUMULATIONS OF 4 TO 6 INCHES BY WEDNESDAY
MORNING ALONG THE MISSISSIPPI COAST AND LOWER SOUTHEAST LOUISIANA.
LESSER ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER SOUTHEAST
LOUISIANA AND TAPERING TO 1 TO 2 INCHES OR LESS IN EAST-CENTRAL
LOUISIANA. A FLASH FLOOD WATCH IS IN EFFECT FOR PORTIONS OF THE
OUTLOOK AREA.
HIGH WINDS...MODERATE EAST WINDS DEVELOPING LATE TUESDAY AFTERNOON
WILL BECOME STRONG SOUTH WINDS TUESDAY NIGHT WITH PERIODS OF
HIGHER GUSTS. A WIND ADVISORY WILL LIKELY BE REQUIRED TUESDAY
NIGHT FOR PORTIONS OF THE OUTLOOK AREA. STRONG WIND GUSTS CAN BE
EXPECTED PARTICULARLY ON ELEVATED BRIDGES AND SPANS THAT CROSS
LARGE BODIES OF WATER.
RIVER FLOODING...ATCHAFALAYA RIVER AT MORGAN CITY WILL REMAIN
ABOVE FLOOD LEVEL THROUGH SUNDAY. RIVERS IN THE MISSISSIPPI GULF
DRAINAGE SYSTEM MAY APPROACH OR EXCEED FLOOD LEVELS WEDNESDAY
DEPENDING ON FUTURE RAINFALL FROM THE GULF LOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT NEEDED TONIGHT. SOME ACTIVATIONS MAY BE
NEEDED TUESDAY NIGHT THROUGH WEDNESDAY MORNING FOR HAZARDOUS
WEATHER IMPACTS MAINLY NEAR COASTAL AREAS. STAY TUNED FOR LATER
STATEMENTS THROUGHOUT THE DAY TUESDAY.
$$ FLASH FLOOD WATCH Issue Date: 354 PM CST MON NOV 30 2009 Expiration: 1200 PM CST WED DEC 02 2009 ...A FLASH FLOOD WATCH IS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING...
.AN AREA OF LOW PRESSURE IS EXPECTED TO DEVELOP ALONG A COLD FRONT
IN THE WESTERN GULF OF MEXICO. THIS SYSTEM WILL THEN MOVE TOWARDS
THE LOUISIANA COAST TUESDAY AND MOVE ACROSS THE WATCH AREA TUESDAY
NIGHT INTO EARLY WEDNESDAY. EXTENSIVE RAINFALL MAY CAUSE SOME
PONDING OF WATER AND POSSIBLE FLOODING IN THE WATCH AREA TUESDAY
NIGHT INTO WEDNESDAY MORNING.
LAZ059>070-MSZ080>082-010600-
/O.NEW.KLIX.FF.A.0007.091202T0000Z-091202T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...THIBODAUX...RACELAND...LAROSE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...HOUMA...BAYOU CANE...
CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF...GOLDEN MEADOW...
PORT SULPHUR...EMPIRE...YSCLOSKEY...BAY ST. LOUIS...WAVELAND...
DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...OCEAN SPRINGS...
MOSS POINT...GAUTIER...ST. MARTIN
354 PM CST MON NOV 30 2009
...FLASH FLOOD WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING...
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI...INCLUDING THE FOLLOWING AREAS...IN
SOUTHEAST LOUISIANA...LOWER JEFFERSON...LOWER LAFOURCHE...
LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE...
ORLEANS...ST. CHARLES...UPPER JEFFERSON...UPPER LAFOURCHE...
UPPER PLAQUEMINES...UPPER ST. BERNARD AND UPPER TERREBONNE. IN
SOUTHERN MISSISSIPPI...HANCOCK...HARRISON AND JACKSON.
* FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING
* A LOW PRESSURE SYSTEM DEVELOPING ALONG A COLD FRONT IN THE
WESTERN GULF OF MEXICO WILL MOVE INTO SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI TUESDAY NIGHT. WIDESPREAD AND STEADY
MODERATE TO OCCASIONALLY HEAVY RAINFALL IS EXPECTED WITH THE
PASSAGE OF THIS SYSTEM THROUGH WEDNESDAY MORNING.
* RAINFALL ACCUMULATIONS GENERALLY BETWEEN 2 TO 4 INCHES IS
EXPECTED ACROSS THE WATCH AREA FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING. A BAND OF HIGHER AMOUNTS BETWEEN 4 AND 6
INCHES MAY DEVELOP MAINLY OVER THE MISSISSIPPI COASTAL COUNTIES
AND LOWER SOUTHEAST LOUISIANA BY WEDNESDAY MORNING. RUN OFF WILL
CAUSE AREA RIVERS AND STREAMS TO SWELL TO HIGHER LEVELS AND
POSSIBLY CAUSE A FEW TO FLOOD INTO THE MIDDLE OF THE WEEK. IN
ADDITION...ANTICIPATED STRONG ONSHORE FLOW TUESDAY NIGHT MAY
COMPOUND RIVER RISES DUE TO TIDAL AFFECTS UNTIL WINDS SHIFT TO
AN OFFSHORE DIRECTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
$$
24/RR COASTAL FLOOD WATCH Issue Date: 450 AM CST MON NOV 30 2009 Expiration: 600 AM CST WED DEC 02 2009 ...STRONG ONSHORE WINDS MAY LEAD TO COASTAL FLOODING LATE
TUESDAY...
.A STRONG LOW PRESSURE AREA IS EXPECTED TO DEVELOP IN THE
NORTHWEST GULF OF MEXICO TONIGHT AND MOVE ACROSS THE CENTRAL GULF
COAST REGION LATE TUESDAY THROUGH EARLY WEDNESDAY MORNING.
MODERATE TO STRONG NORTHEAST WINDS TONIGHT AND TUESDAY MORNING
WILL BECOMING EAST TO SOUTHEAST AND CONTINUE TO INCREASE TUESDAY
AFTERNOON...THEN REMAIN STRONG OUT OF THE SOUTH AND SOUTHEAST
THROUGH MUCH OF TUESDAY NIGHT. THE COMBINATION OF WIND DRIVEN
TIDES AND HIGH ASTRONOMICAL TIDES ARE EXPECTED TO CAUSE A RAPID
RISE IN WATER LEVELS TUESDAY...AND COASTAL FLOODING IS LIKELY TO
DEVELOP OUTSIDE OF HURRICANE PROTECTION LEVEES NEAR THE TIDAL
LAKES AND COAST.
LAZ038-040-058-060>062-064-066>070-MSZ080>082-301900-
/O.NEW.KLIX.CF.A.0006.091201T1800Z-091202T1200Z/
TANGIPAHOA-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER ST. BERNARD-LOWER TERREBONNE-
LOWER LAFOURCHE-LOWER JEFFERSON-LOWER PLAQUEMINES-
LOWER ST. BERNARD-HANCOCK-HARRISON-JACKSON-
450 AM CST MON NOV 30 2009
...COASTAL FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A COASTAL
FLOOD WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
LATE TUESDAY NIGHT.
A STRONG LOW PRESSURE AREA...WITH GALE FORCE WINDS UP TO 40 MPH
WITH HIGHER GUSTS...IS EXPECTED TO DEVELOP IN THE NORTHWEST GULF
OF MEXICO TONIGHT AND MOVE ACROSS THE CENTRAL GULF COAST REGION
LATE TUESDAY THROUGH EARLY WEDNESDAY MORNING. MODERATE TO STRONG
NORTHEAST WINDS TONIGHT AND TUESDAY MORNING WILL BECOMING EAST TO
SOUTHEAST AND CONTINUE TO INCREASE TUESDAY AFTERNOON...THEN REMAIN
STRONG OUT OF THE SOUTH AND SOUTHEAST 30 TO 40 MPH WITH SOME
HIGHER GUSTS IN COASTAL SECTIONS THROUGH MUCH OF TUESDAY NIGHT.
THE COMBINATION OF WIND DRIVEN TIDES AND LARGE ASTRONOMICAL TIDE
RANGES ARE EXPECTED TO CAUSE A RAPID RISE IN WATER LEVELS OF 3 TO
4 FEET FROM LOW TIDE IN THE MORNING TO HIGH TIDE IN THE EVENING
TUESDAY. AREAS OF COASTAL FLOODING ARE LIKELY TO DEVELOP OUTSIDE
OF HURRICANE PROTECTION LEVEES NEAR THE TIDAL LAKES AND COAST.
WATER LEVELS WILL DROP AND END THE COASTAL FLOODING THREAT LATE
TUESDAY NIGHT AND WEDNESDAY MORNING AS WINDS SHIFT TO WESTERLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A COASTAL FLOOD WATCH MEANS THAT CONDITIONS FAVORABLE FOR
FLOODING ARE EXPECTED TO DEVELOP. COASTAL RESIDENTS SHOULD BE
ALERT FOR LATER STATEMENTS OR WARNINGS...AND TAKE ACTION TO
PROTECT PROPERTY.
$$
22/TD
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