Nevis - PowerPoint PPT Presentation

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Nevis

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Grid: British West Indies Projection: Transverse Mercator. Spheroid: Clarke 1880 ... Beachfront subject to erosion and low ground subject to flooding. ... – PowerPoint PPT presentation

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Title: Nevis


1
Nevis Topography
PGDM May 2001
17.225 N
3
Points of Interest
62.65 W
1. Charlestown Main town, facing west with some
protection from peninsula and shallows to the
south.
2. Pinneys Beach Major beach and resort
development. Beachfront subject to erosion and
low ground subject to flooding. There are
breakwaters too small to show at this resolution
2
62.525 W
3. Newcastle Airport on level ground elevated
above beach.
4. Long Point New commercial wharf, too small to
show explicitly at this resolution.
1
Notes 1. Roads are shown for visual reference
only. 2. Waves and surges for Points of Interest
are reported from nearest cell offshore.
4
Directory
Topo. Map
17.075 N
Grid
British West Indies
Projection
Transverse Mercator Spheroid

Clarke 1880 Unit of Measurement

Meter Meridian of Origin
62 West of Greenwich Latitude of
Origin
Equator Scale Factor at
Origin
0.9995 False Co-ords of Origin
400,000 m Easting, Nil Northing Datum

K12 Astro 1955 Molodensky dx/dy/dz

9 183 236 Resolution
6 arc-seconds. ( 182.5 m) The model
used great-circle distances on the WGS84 datum.
Scale varies with output device Letter paper,
8½ X 11 1/119,000 15
monitor 1/129,000 17 monitor 1/114,000 19
monitor 1/102,000 APPROXIMATELY
N
2
Winds
Probability 10 / year, 10-Year Return Time
Nevis
1. Charlestown North
28 m/s South
28 m/s
2. Pinneys Beach North
29 m/s South
29 m/s
3. Newcastle West
34 m/s East
34 m/s
4. Long Point 34 m/s

Directory
Topo. Map
N
3
Waves
Probability 10 / year, 10-Year Return Time
Nevis
1. Charlestown North
2.0 m South
1.4 m
2. Pinneys Beach North
3.0 m South
2.6 m
3. Newcastle West
2.2 m East
2.3 m
4. Long Point 4.1 m

Directory
Topo. Map
N
4
Surges
Probability 10 / year, 10-Year Return Time
Nevis
1. Charlestown North
0.2 m South
0.2 m
2. Pinneys Beach North
0.2 m South
0.2 m
3. Newcastle West
0.3 m East
0.4 m
4. Long Point 0.2
m
Directory
Topo. Map
N
Note surges are reported as elevation above sea
level, not depth of water.
5
Winds
Probability 4 / year, 25-Year Return Time
Nevis
1. Charlestown North
37 m/s South
36 m/s
2. Pinneys Beach North
37 m/s South
37 m/s
3. Newcastle West
43 m/s East
44 m/s
4. Long Point 44 m/s

Directory
Topo. Map
N
6
Waves
Probability 4 / year, 25-Year Return Time
Nevis
1. Charlestown North
1.4 m South
2.1 m
2. Pinneys Beach North
3.0 m South
2.6 m
3. Newcastle West
2.3 m East
2.4 m
4. Long Point 4.1 m

Directory
Topo. Map
N
7
Surges
Probability 4 / year, 25-Year Return Time
Nevis
1. Charlestown North
0.3 m South
0.3 m
2. Pinneys Beach North
0.3 m South
0.3 m
3. Newcastle West
0.6 m East
0.6 m
4. Long Point 0.3 m

Directory
Topo. Map
N
Note surges are reported as elevation above sea
level, not depth of water.
8
Winds
Probability 2 / year, 50-Year Return Time
Nevis
1. Charlestown North
42 m/s South
42 m/s
2. Pinneys Beach North
43 m/s South
43 m/s
3. Newcastle West
50 m/s East
50 m/s
4. Long Point 50 m/s

Directory
Topo. Map
N
9
Waves
Probability 2 / year, 50-Year Return Time
Nevis
1. Charlestown North
2.1 m South
1.5 m
2. Pinneys Beach North
2.7 m South
3.1 m
3. Newcastle West
2.5 m East
2.5 m
4. Long Point 4.2 m

Directory
Topo. Map
N
10
Surges
Probability 2 / year, 50-Year Return Time
Nevis
1. Charlestown North
0.4 m South
0.4 m
2. Pinneys Beach North
0.4 m South
0.4 m
3. Newcastle West
0.8 m East
0.8 m
4. Long Point 0.4 m

Directory
Topo. Map
N
Note surges are reported as elevation above sea
level, not depth of water.
11
Winds
Probability 1 / year, 100-Year Return Time
Nevis
1. Charlestown North
47 m/s South
47 m/s
2. Pinneys Beach North
48 m/s South
49 m/s
3. Newcastle West
56 m/s East
56 m/s
4. Long Point 57 m/s

Directory
Topo. Map
N
12
Waves
Probability 1 / year, 100-Year Return Time
Nevis
1. Charlestown North
2.2 m South
1.5 m
2. Pinneys Beach North
3.1 m South
2.8 m
3. Newcastle West
2.6 m East
2.7 m
4. Long Point 4.2
m
Directory
Topo. Map
N
13
Surges
Probability 1 / year, 100-Year Return Time
Nevis
1. Charlestown North
0.6 m South
0.6 m
2. Pinneys Beach North
0.6 m South
0.6 m
3. Newcastle West
1.0 m East
1.1 m
4. Long Point 0.5
m
Directory
Topo. Map
N
Note surges are reported as elevation above sea
level, not depth of water.
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