Flash Flood Warning 67, NWS New Orleans, LA

Issued

Aug 30, 2012, 4:58 AM CDT (09:58 UTC)

Expired

Aug 30, 2012, 9:00 AM CDT

In force

4 hr

Issued by

NWS New Orleans, LA

Area

Storm-based polygon

Emergency

Flash flood emergency

Flood severity

None

County Saint Tammany Parish, LA

675 
WGUS54 KLIX 300958
FFWLIX
LAC103-301400-
/O.NEW.KLIX.FF.W.0067.120830T0958Z-120830T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
458 AM CDT THU AUG 30 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITY OF SLIDELL...EDEN ISLE...

* UNTIL 900 AM CDT

* AT 431 AM CDT...SLIDELL FIRE DEPARTMENT OFFICIALS REPORTED A SURGE
  OF WATER POURING INTO THE CENTRAL AND SOUTHERN PORTIONS OF THE
  CITY FROM A BREACH IN THE RAILROAD TRACKS ALONG HIGHWAY 11.
  AREAS BELOW 10 FEET ELEVATION WILL BE INUNDATED WITH 1 TO 5 FEET
  OF FLOOD WATER THAT WILL RISE RAPIDLY. 

  THIS IS A FLASH FLOOD EMERGENCY FOR THE CITY OF SLIDELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. 
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE 
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS 
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY 
AUTOMOBILE.

&&

LAT...LON 3028 8965 3016 8964 3019 8977 3021 8980
      3021 8982 3022 8985 3025 8988 3028 8986

$$

031 
WGUS74 KLIX 301043
FFSLIX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
543 AM CDT THU AUG 30 2012

LAC103-301400-
/O.CON.KLIX.FF.W.0067.000000T0000Z-120830T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. TAMMANY LA-
543 AM CDT THU AUG 30 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR
SOUTHEASTERN ST. TAMMANY PARISH...

...A FLASH FLOOD EMERGENCY FOR SLIDELL...

AT 532 AM CDT...LOCAL LAW ENFORCEMENT AND FIRE DEPARTMENT OFFICIALS
HAVE CLARIFIED THE SOURCE OF SURGE FLOODING AND AFFECTED AREAS. THE 
RAILROAD TRACKS ALONG HIGHWAY 11 WERE NOT BREACHED...HOWEVER 
FLOODING FROM BAYOU BONFOUCA AND THE W-14 CANAL HAVE COMBINED TO 
BACK-FILL INTO AREAS OF THE CITY FROM NEAR KINGS POINT SUBDIVISION 
INTO MOST OF CENTRAL AND SOUTH SLIDELL BELOW AN ELEVATION OF 9 
FEET...INCLUDING THE OLD TOWN AREA. SUDDEN INUNDATION UP TO 5 FEET 
IS POSSIBLE IN LOWER LYING AREAS. AREAS THAT WERE FORMALLY PROTECTED 
BY THE HESCO BASKETS NORTH ALONG HIGHWAY 11/PONTCHARTRAIN DRIVE AND 
OLD SPANISH TRAIL ARE NOW SUBJECTED TO FLOODING.    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT THURSDAY MORNING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3028 8965 3016 8964 3019 8977 3021 8980
      3021 8982 3022 8985 3025 8988 3028 8986

$$

22/TD

Flash Flood Warnings in Louisiana, 2012Every flash flood warning in 2012

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.