Extratropical Storm-Induced Coastal Inundation: Scituate, MA
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Extratropical Storm-Induced Coastal Inundation: Scituate, MA Model Evaluation Plan March 8, 2011. Steps Tide comparison ( using Scituate tide data ) Wave (alone) comparison ( using NDBC buoy data ) (w/ wo wind adjustment?)

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Extratropical Storm-Induced Coastal Inundation: Scituate, MA Model Evaluation Plan

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Extratropical storm induced coastal inundation scituate ma model evaluation plan

Extratropical Storm-Induced Coastal Inundation: Scituate, MA

Model Evaluation Plan

March 8, 2011

Steps

Tide comparison (using Scituate tide data)

Wave (alone) comparison (using NDBC buoy data) (w/wo wind adjustment?)

2005/07 Storms (without waves) inundation (using Scituate HWM, NDBC buoy data)

2005-07 Storm (with waves) inundation (using Scituate HWM, NDBC buoy data)

2010 Storm (with waves) inundation (using Scituate HWMs and met data, NDBC buoy data)

Synthesis


Extratropical storm induced coastal inundation scituate ma model evaluation plan

The Test Site:

Scituate, MA

44013


Extratropical storm induced coastal inundation scituate ma model evaluation plan

A 3-D View of the bathymetry of the Scituate


Extratropical storm induced coastal inundation scituate ma model evaluation plan

The Northeast Coastal Ocean Forecast System (NECOFS) grid

The Scituate Grid

Nested

Horizontal Resolution:

10 m to 1 km

Cell number:

xxxxx

Node number:

xxxxx


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Tide gauge station

Met station


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Buoys with wave measurements

Total 20 stations

Station No. Longitude(W) Latitude (N)

44004 70.433 38.484

44005 69.140 43.189

44007 70.144 43.531

44008 69.431 40.500

44009 74.702 38.464

44013 70.691 42.354

44017 72.046 40.691

44018 69.294 41.259

44024 65.927 42.312

44025 73.166 40.250

44027 67.314 44.273

44029 70.570 42.520

44030 70.418 43.183

44031 70.060 43.570

44032 69.358 43.715

44033 69.000 44.060

44034 68.110 44.110

44035 67.020 44.890

44037 67.883 43.484

44038 66.550 43.633

44013


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Model-Model Comparisons

  • Transects

  • Elevation

  • Mass Flux

  • Wave Energy Flux (?)

  • Points

  • Tide gauge

  • E. Foster Bridge

  • Harbor Master/Town Pier

  • Cedar Point depression

  • Jericho Road

  • Center of harbor mouth transect

Model-Data

Comparison

44 Rebecca Road


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Points and sections in the grid

Sites and sections in the model grid

STATIONS NODE NUMBER LONGITUDE LATITUDE

A 3078-70.723365842.2058182

B5301-70.723999042.2021598

C5446-70.724861142.1981239

D4216-70.721405042.1923218

E2543-70.717208942.1955299

F5140-70.719886842.1993752

G3484-70.716301042.2028236

H2792-70.718231242.2070961

I1898-70.717887942.2078705

I

A1

H

A

A2

B2

B

G

SECTIONS

FROM

NODE NUMBER LONGITUDE LATITUDE

TO

NODE NUMBER LONGITUDE LATITUDE

Section A

2835 -70.720504842.2074432

-70.7176056 42.2053452

Section B

-70.716316242.2017404

-70.7152786 42.2042465

Section C

3401 -70.7259140 42.1923523

3576 -70.7204742 42.1923676

B1

F

C

E

C1

D

C2


Extratropical storm induced coastal inundation scituate ma model evaluation plan

The FVCOM Validation for Tidal Simulation

Tide   Freq       Amp (m)     Amp error (m)    Phase (oG)    Phase error (oG)

 M2   0.0805114    1.2729    0.021   339.21     0.97 

N2   0.0789992    0.2858    0.022    43.60     4.79   

S2 0.0833333    0.1669    0.018   154.03     8.13      

K1   0.0417807    0.1254    0.004   183.54     2.02 

O1   0.0387307    0.0988    0.004    76.93     2.46 


Extratropical storm induced coastal inundation scituate ma model evaluation plan

The 2005 Nor’easter Storm

May 25, 05 AM (GMT)

Currents-Waves

Currents


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Site H

Winds

Sea Level

Vertically averaged velocity


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Site G (entrance)

Winds

Sea Level

Vertically averaged velocity


Extratropical storm induced coastal inundation scituate ma model evaluation plan

The water transports on Sections A, B and C


Extratropical storm induced coastal inundation scituate ma model evaluation plan

2007 Nor’easter Storm

Currents

April 18 , 04 AM (GMT)

Currents-Waves


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Site H (flooded area)

Winds

Sea Level

Vertically averaged velocity


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Preliminary Results for the December 27 2011 Storm

7 EST Dec. 26

7 EST Dec. 27

7 EST Dec. 28

hΔp/Δx = (10m)(20mb)/200km = 0.1 kg/(ms2)

Wind stress (20 m/s) = 1 kg/(ms2) => 10%


Extratropical storm induced coastal inundation scituate ma model evaluation plan

2010 December 27 08 GMT


Extratropical storm induced coastal inundation scituate ma model evaluation plan

Steps

Tide comparison (using Scituate tide data)

Wave (alone) comparison (using NDBC buoy data) (w/wo wind adjustment?)

2005/07 Storms (without waves) inundation (using Scituate HWM, NDBC buoy data)

2005-07 Storm (with waves) inundation (using Scituate HWM, NDBC buoy data)

2010 Storm (with waves) inundation (using Scituate HWMs and met data, NDBC buoy data)

Synthesis


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