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St. Bernard Parish Emergency Management Office
Friday October 6th, 2017 :: 10:43 a.m. CDT

Alert

Tropical Storm Warning until 06:45PM

...STORM SURGE WARNING IN EFFECT... ...TROPICAL STORM WARNING IN EFFECT... ...HURRICANE WATCH REMAINS IN EFFECT... A Storm Surge Warning means life-threatening inundation levels are expected somewhere within this area and within the next 36 hours A Tropical Storm Warning means Tropical storm wind conditions are expected somewhere within this area and within the next 36 hours

* LOCATIONS AFFECTED - Chalmette - Arabi

* WIND - LATEST LOCAL FORECAST: Below tropical storm force wind - Peak Wind Forecast: 20-30 mph with gusts to 40 mph - CURRENT THREAT TO LIFE AND PROPERTY: High - The wind threat has remained nearly steady from the previous assessment. - Emergency plans should include a reasonable threat for hurricane force wind of 74 to 110 mph of equivalent Category 1 to 2 intensity. - To be safe, aggressively prepare for the potential of extensive wind impacts. Remaining efforts to secure properties should now be brought to completion. - Dangerous and life-threatening wind is possible. Failure to adequately shelter may result in serious injury or loss of life. Move to safe shelter before the wind becomes hazardous. - POTENTIAL IMPACTS: Extensive - Considerable roof damage to sturdy buildings, with some having window, door, and garage door failures leading to structural damage. Mobile homes severely damaged, with some destroyed. Damage accentuated by airborne projectiles. Locations may be uninhabitable for weeks. - Many large trees snapped or uprooted along with fences and roadway signs blown over. - Some roads impassable from large debris, and more within urban or heavily wooded places. Several bridges, causeways, and access routes impassable. - Large areas with power and communications outages.

* STORM SURGE - LATEST LOCAL FORECAST: Life-threatening storm surge possible - Peak Storm Surge Inundation: The potential for 4-7 feet above ground somewhere within surge prone areas - Window of concern: early Saturday morning until early Sunday evening - CURRENT THREAT TO LIFE AND PROPERTY: High - The storm surge threat has remained nearly steady from the previous assessment. - Emergency plans should include a reasonable threat for major storm surge flooding of greater than 6 feet above ground. - To be safe, aggressively prepare for the potential of extensive storm surge flooding impacts. Evacuation efforts should now be brought to completion. Evacuations must be complete before driving conditions become unsafe. - Life-threatening inundation is possible. Failure to heed evacuation orders may result in serious injury, significant loss of life, or human suffering. Leave if evacuation orders are given for your area. Consider voluntary evacuation if recommended. Poor decisions may result in being cut off or needlessly risk lives. - POTENTIAL IMPACTS: Extensive - Large areas of deep inundation from storm surge flooding. Structural damage to buildings, with several washing away. Damage compounded by floating debris. Locations may be uninhabitable for an extended period. - Large sections of near-shore escape routes and secondary roads washed out or severely flooded. Flood control systems and barriers may become stressed. - Large sections of escape routes and secondary roads washed out or severely flooded. 6 to 9 feet of inundation is possible outside the hurricane protection levee in marshy areas. No inundation expected inside the hurricane protection levee. - Severe shoreline erosion. - Major damage to marinas, docks, boardwalks, and piers. Many small craft broken away from moorings, especially in unprotected anchorages with some lifted onshore and stranded.

* FLOODING RAIN - LATEST LOCAL FORECAST: - Peak Rainfall Amounts: 2-4 inches, with locally higher amounts - CURRENT THREAT TO LIFE AND PROPERTY: Elevated - The flooding rain threat has remained nearly steady from the previous assessment. - Emergency plans should include a reasonable threat for minor flooding where peak rainfall totals are near amounts conducive for localized flash flooding and rapid inundation. - To be safe, prepare for the potential of limited flooding rain impacts. - Localized flooding is possible. If flood related watches and warnings are issued, heed recommended actions. - POTENTIAL IMPACTS: Limited - Localized rainfall flooding may prompt a few evacuations. - Rivers and tributaries may quickly rise with swifter currents. Small streams, creeks, canals, bayous, and ditches may become swollen and overflow in spots. - Flood waters can enter a few structures, especially in usually vulnerable spots. A few places where rapid ponding of water occurs at underpasses, low-lying spots, and poor drainage areas. Several storm drains and retention ponds become near-full and begin to overflow. Some brief road and bridge closures.

* TORNADO - LATEST LOCAL FORECAST: - Situation is unfavorable for tornadoes - CURRENT THREAT TO LIFE AND PROPERTY: None - The tornado threat has remained nearly steady from the previous assessment. - Emergency plans need not include a threat for tornadoes. Showers and thunderstorms with strong gusty winds may still occur. - Little to no preparations needed to guard against tropical tornadoes. - Ensure readiness for the next tropical tornado event. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from tornadoes.

* FOR MORE INFORMATION: - http://www.slfpae.com/closures.aspx - http://homeport.uscg.mil - http://emergency.louisiana.gov

* AFFECTED AREAS: UPPER ST. BERNARD

Address/Location
St. Bernard Parish Emergency Management Office
8201 W Judge Perez Dr
Chalmette, LA 70043

Contact
Emergency: 9-1-1
Non-emergencies: 504-278-4322

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Tropical Storm Warning

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