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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
424 AM CDT TUE MAY 26 2015

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-262130-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER OUT
20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON OUT 20 NM-
COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA OUT 20 NM-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER FROM
20 TO 60 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON FROM 20 TO 60 NM-
COASTAL WATERS FROM STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 20 TO
60 NM-POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-
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-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
424 AM CDT TUE MAY 26 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT
A SQUALL LINE WILL CONTINUE TO RACE THROUGH THE FORECAST AREA
THIS MORNING AND SHOULD BE THROUGH MUCH OF THE AREA SHORTLY AFTER
SUNRISE. THE MAIN THREATS WILL BE DAMAGING WINDS...TORRENTIAL
RAINFALL AND ISOLATED TORNADOES. A TORNADO WATCH IS IN EFFECT
THROUGH 5 AM. A FLASH FLOOD WATCH IS ALSO IN EFFECT THROUGH 8 AM.

A SMALL BREAK FROM HAZARDOUS WEATHER SHOULD OCCUR LATER THIS
MORNING BUT ADDITIONAL STORMS ARE ANTICIPATED THIS AFTERNOON AND
THIS EVENING. ADDITIONAL HEAVY RAIN AND STRONG TO SEVERE STORMS
WILL BE POSSIBLE WITH THIS ACTIVITY BUT THE MAIN THREAT COULD BE
HEAVY RAIN. IF AND WHERE THE CURRENT LINE OF STORMS LAYS UP COULD
PROVIDE A FOCUS FOR THUNDERSTORM DEVELOPMENT LATER WITH MULTIPLE
ROUNDS OF HEAVY RAIN POSSIBLE. THE FLASH FLOOD WATCH MAY BE NEEDED
FOR THE AFTERNOON AND EVENING HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG TO POTENTIALLY SEVERE THUNDERSTORMS ARE POSSIBLE WEDNESDAY.
THE PRIMARY THREATS WILL BE DAMAGING WIND GUSTS...SOME HAIL AND
HEAVY RAINFALL. SCATTERED NON-SEVERE THUNDERSTORMS ARE THEN
EXPECTED EACH DAY THURSDAY THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED AT THIS TIME. PLEASE PASS ON ANY
REPORTS OF SEVERE WEATHER OR FLOODING.

$$




Severe Thunderstorm Warning

SEVERE THUNDERSTORM WARNING
LAC071-103-MSC045-109-261000-
/O.NEW.KLIX.SV.W.0068.150526T0923Z-150526T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
423 AM CDT TUE MAY 26 2015

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. TAMMANY PARISH IN SOUTHEASTERN LOUISIANA...
  NORTHEASTERN ORLEANS PARISH IN SOUTHEASTERN LOUISIANA...
  SOUTHERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
  HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 500 AM CDT

* AT 423 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
  BUSH TO LACOMBE...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SLIDELL...PICAYUNE...BAY ST. LOUIS...COVINGTON...WAVELAND...
  DIAMONDHEAD...PEARL RIVER...ABITA SPRINGS...SUN...BUSH...STENNIS
  SPACE CENTER...LACOMBE...KILN...LAKE CATHERINE...PEARLINGTON...
  SHORELINE PARK AND SLIDELL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTHEASTERN
LOUISIANA AND SOUTHERN MISSISSIPPI.

LAT...LON 3066 8935 3037 8935 3033 8938 3034 8935
      3029 8935 3025 8942 3018 8946 3017 8972
      3017 8967 3015 8963 3006 8973 3002 8972
      3004 8982 3010 8984 3010 8979 3016 8972
      3018 8973 3038 9013 3067 9004
TIME...MOT...LOC 0923Z 281DEG 22KT 3058 8987 3033 8992

$$




Tornado Watch

WATCH COUNTY NOTIFICATION FOR WATCH 219
NATIONAL WEATHER SERVICE NEW ORLEANS LA
320 AM CDT TUE MAY 26 2015

LAC051-057-071-075-087-089-093-095-103-105-109-117-MSC045-047-059-
109-147-261000-
/O.CON.KLIX.TO.A.0219.000000T0000Z-150526T1000Z/

TORNADO WATCH 219 REMAINS VALID UNTIL 5 AM CDT EARLY THIS MORNING
FOR THE FOLLOWING AREAS

IN LOUISIANA THIS WATCH INCLUDES 12 PARISHES

IN SOUTHEAST LOUISIANA

JEFFERSON             LAFOURCHE             ORLEANS
PLAQUEMINES           ST. BERNARD           ST. CHARLES
ST. JAMES             ST. JOHN THE BAPTIST  ST. TAMMANY
TANGIPAHOA            TERREBONNE            WASHINGTON

IN MISSISSIPPI THIS WATCH INCLUDES 5 COUNTIES

IN SOUTHERN MISSISSIPPI

HANCOCK               HARRISON              JACKSON
PEARL RIVER           WALTHALL

THIS INCLUDES THE CITIES OF...BAY ST. LOUIS...BAYOU CANE...
BELLE CHASSE...BILOXI...BOGALUSA...CHALMETTE...COVINGTON...
CUT OFF...DESTREHAN...DIAMONDHEAD...FRANKLINTON...GALLIANO...
GAUTIER...GRAMERCY...GULFPORT...HAMMOND...HOUMA...KENNER...
LACOMBE...LAPLACE...LAROSE...LUTCHER...MANDEVILLE...METAIRIE...
MOSS POINT...NEW ORLEANS...NORCO...OCEAN SPRINGS...PASCAGOULA...
PICAYUNE...PONCHATOULA...PORT SULPHUR...RACELAND...RESERVE...
SLIDELL...ST. MARTIN...THIBODAUX...TYLERTOWN...
VIOLET AND WAVELAND.

$$



Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1115 PM CDT MON MAY 25 2015

...FLASH FLOOD WATCH IS IN EFFECT UNTIL 8 AM CDT...

.A VERY STRONG SQUALL LINE WAS PRODUCING TORRENTIAL RAINS WITH
HIGH RAIN RATES AS IT WAS MOVING OUT OF EAST TEXAS...ACROSS THE
WESTERN GULF STATES. FLOOD POTENTIAL IS HIGH GIVEN THE SATURATED
SOILS AND RAIN RATES EXCEEDING 2 INCHES PER HOUR WITH THIS SQUALL
LINE.

LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-261215-
/O.NEW.KLIX.FF.A.0005.150526T0415Z-150526T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-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-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...NEW ROADS...LIVONIA...
ST. FRANCISVILLE...JACKSON...CLINTON...GREENSBURG...MONTPELIER...
BOGALUSA...FRANKLINTON...SLIDELL...MANDEVILLE...COVINGTON...
LACOMBE...PLAQUEMINE...WHITE CASTLE...PORT ALLEN...ADDIS...
BRUSLY...BATON ROUGE...GONZALES...DONALDSONVILLE...
DENHAM SPRINGS...WALKER...PIERRE PART...LABADIEVILLE...
PAINCOURTVILLE...LUTCHER...GRAMERCY...LAPLACE...RESERVE...
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...
AMITE...KENTWOOD...HAMMOND...PONCHATOULA...CENTREVILLE...
WOODVILLE...GLOSTER...LIBERTY...CROSBY...MCCOMB...TYLERTOWN...
PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT...
BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER...
ST. MARTIN
1115 PM CDT MON MAY 25 2015

...FLASH FLOOD WATCH IN EFFECT UNTIL 8 AM CDT TUESDAY...

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...ASCENSION...ASSUMPTION...EAST BATON
  ROUGE...EAST FELICIANA...IBERVILLE...LIVINGSTON...LOWER
  JEFFERSON...LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER ST.
  BERNARD...LOWER TERREBONNE...NORTHERN TANGIPAHOA...ORLEANS...
  POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST.
  HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...
  UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER
  ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE
  AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...
  HANCOCK...HARRISON...JACKSON...PEARL RIVER...PIKE...WALTHALL
  AND WILKINSON.

* UNTIL 8 AM CDT TUESDAY

* HIGH RAINFALL RATES AROUND 5 INCHES PER HOUR FOR 30 TO 60
  MINUTES.

* RAPID PONDING OF WATER IN URBAN AREAS...FLASH FLOODING OF SMALL
  STREAMS...RAPID RISES ON LARGER RIVER SYSTEMS. METROPOLITAN
  DRAINAGE SYSTEMS MAY HAVE THEIR PUMPING CAPACITIES EXCEEDED FOR
  SOME DURATION OF THIS EVENT.

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




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Page last modified: May 16, 2007
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