THE SANDY STORY…IN BRIEF

NJAFM ANNUAL CONFERENCE

OCTOBER 16, 2013 - ATLANTIC CITY, NJ

Mark N. MaurielloNJAFM Past Chair

COASTAL STORM HAZARDVULNERABILITY FACTORS

SEA LEVEL RISEEXPANDING FLOOD HAZARD AREASINCREASING FLOOD HEIGHTSNEGATIVE SEDIMENT BUDGETSDEVELOPMENT DENSITY…LARGE

NUMBER OF PEOPLE AND PROPERTIES AT RISK

NATURAL RESOURCE IMPAIRMENTSEXTREME WEATHER

NJ MEAN SEA LEVEL TRENDS1.3 FOOT RISE/100 YEARS

SEA LEVEL RISE SCENARIOSUSACE 2011: Sea-Level Change Considerations for Civil Works Programs

NOAA 2012: Global Sea Level Rise Scenarios for the United States National Climate Assessment

2000 2020 2040 2060 2080 2100 21200

2

4

6

8

10

12

USACE/NOAA LowUSACE/NOAA IntUSACE HighNOAA Highest

Year

Rel

ativ

e Se

a Le

vel (

ft-N

AVD

88)

INCREASING FLOOD HAZARDS

NEGATIVE SEDIMENT BUDGETSCHRONIC SHORELINE EROSION & RETREAT

SEA ISLE CITY MONMOUTH BEACH

VULNERABLE COMMUNITIESNJ LANDSAT LAND USE/LAND

COVER

USACE COMPREHENSIVE STUDY

OCTOBER 26, 2012

SANDY DYNAMICS

OCTOBER 29, 2012

STORM TRACK (NOAA, 2012)

ANATOMY OF A STORM TIDE

SANDY…BY THE NUMBERSRecord Low Barometric Pressure: 940 Millibars

(1,013.25 Normal)/27.76 Inches (29.92 Normal)Record Storm Surge: 13.9 Feet in Lower

Manhattan; >13.5 Feet at Sandy Hook (1,000-year storm/0.001%)

Record Wave Height in NY Harbor: 32.5 feetLandfall Coincided With High Tide and Full

MoonWind Field Diameter: 1,000 MilesDamage Estimate: > $71 Billion Second Costliest US Hurricane (Katrina #1)

INUNDATION LEVELS (USGS, 2012)

SURGE AND WAVE DAMAGES

COASTAL A ZONE DAMAGES

BAY FLOODING

BEACH AND DUNE EROSION

ROADWAY DAMAGES

DEBRIS MANAGEMENT

POWER DISTRIBUTION INFRASTRUCTURE

POWER OUTAGE: 7.2M CUSTOMERS

THE MORNING AFTER…