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St. Lucia Probable Storm Effects. 14.25 N. 60.65 W. Ross Wagenseil for CDMP January 2000. 61.3 W. 10yr. 25yr. 50yr. 100yr. SELECT. KILOMETERS. MILES. ARC-MINUTES. Wind. 20. CDMP. Wave. 30. 15. Surge. 13.6 N. 20. 10. 10. 10. 5. 0. 0. 0.

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slide1

St. Lucia

Probable Storm Effects

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

15

Surge

13.6 N

20

10

10

10

5

0

0

0

The projection of the illustrations is Plate Carrée, a square grid of latitude and longitude. Resolution is 30 arc-seconds. North-South distances are true to scale. East-West distances are stretched 2.9% at 13.6 degrees North, and stretched 3.2% at 14.25 degrees North. All model results were calculated using great-circle distances based on the WGS84 datum.

Points of Interest:

1. Castries: Airport & town with harbour. The harbour does not show at this resolution, so wave and surge readings are taken 1 cell to the north

1

Castries

2. Dennery: Town and promontory facing east over shoaling bottom

3. Vieux Fort: Harbour and town facing west.

2

Dennery

Note: Waves and surges for Points of Interest are reported from the nearest cell offshore.

St. Lucia

3

N

Vieux Fort

  • This set of maps is part of Section 2 of the Atlas of Probable Storm Effects in the Caribbean Sea, which was sponsored by the Caribbean Disaster Mitigation Project (CDMP), a joint effort of the Organization of American States (OAS) and the US Agency for International Development (USAID). These maps are a result of new techniques for modeling storms and estimating the probabilities of storms, developed in part under the patronage of CDMP. Refer to the Atlasfor explanatory materials.
  • WINDS represent sustained 1-minute winds at 10 m above the surface, and include both surface friction and topographic effects at a resolution of 30 arc-seconds. Friction factors derive from a Level I land-cover classification, with water, forest and open land predominating. If using wind damage models or building codes which internally include surface friction or topographic corrections, the nearest open-water wind speed from one of these maps may be used as input. Careful judgement is advised in reading and applying the values.
  • SURGES include astronomical tide and setups from pressure, wind and wave, but not wave runup. Surges over land are shown as elevation above sea level, not water depth.
  • WAVES are the heights of wave crests above the storm surge level in open water. Shoreline effects do not appear at this resolution.
slide2

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

15

Surge

13.6 N

Wind Speeds

0

1

2

3

4

5

20

Storm Category

10

10

knots

25

50

75

100

125

mph

10

25

50

75

100

150

125

5

kph

50

100

150

200

250

m/s

Min

20

60

10

30

40

50

70

0

0

0

Max

Winds

10-Year Return Time

St. Lucia

1. Castries: 28 to 29 m/s

1

2. Dennery: 28 m/s

3. Vieux Fort: 27 m/s

2

3

N

slide3

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

WaveHeights

Wave

30

15

Surge

13.6 N

20

10

6

4

1

3

5

2

7

Meters

10

5

10

25

Feet

20

15

10

5

Min

0

0

0

Max

Waves

10-Year Return Time

St. Lucia

1. Castries: 3.6 m

1

2. Dennery: 3.5 m

3. Vieux Fort: 3.4 m

2

3

N

slide4

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

Surge Heights

15

Surge

13.6 N

20

10

1

2

3

4

6

5

Meters

10

20

15

10

5

Feet

10

5

Min

0

0

0

Max

Surges

10-Year Return Time

St. Lucia

1. Castries: 0.1 m

1

2. Dennery: 0.1 m

3. Vieux Fort: 0.1 m

2

3

N

slide5

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

15

Surge

13.6 N

Wind Speeds

0

1

2

3

4

5

20

Storm Category

10

10

knots

25

50

75

100

125

mph

10

25

50

75

100

150

125

5

kph

50

100

150

200

250

m/s

Min

20

60

10

30

40

50

70

0

0

0

Max

Winds

25-Year Return Time

St. Lucia

1. Castries: 37 m/s

1

2. Dennery: 36 m/s

3. Vieux Fort: 36 m/s

2

3

N

slide6

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

WaveHeights

Wave

30

15

Surge

13.6 N

20

10

6

4

1

3

5

2

7

Meters

10

5

10

25

Feet

20

15

10

5

Min

0

0

0

Max

Waves

25-Year Return Time

St. Lucia

1. Castries: 4.6 m

1

2. Dennery: 4.5 m

3. Vieux Fort: 4.5 m

2

3

N

slide7

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

Surge Heights

15

Surge

13.6 N

20

10

1

2

3

4

6

5

Meters

10

20

15

10

5

Feet

10

5

Min

0

0

0

Max

Surges

25-Year Return Time

St. Lucia

1. Castries: 0.3 m

1

2. Dennery: 0.3 m

3. Vieux Fort: 0.2 m

2

3

N

slide8

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

15

Surge

13.6 N

Wind Speeds

0

1

2

3

4

5

20

Storm Category

10

10

knots

25

50

75

100

125

mph

10

25

50

75

100

150

125

5

kph

50

100

150

200

250

m/s

Min

20

60

10

30

40

50

70

0

0

0

Max

Winds

50-Year Return Time

St. Lucia

1. Castries: 43 m/s

1

2. Dennery: 42 m/s

3. Vieux Fort: 41 m/s

2

3

N

slide9

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

WaveHeights

Wave

30

15

Surge

13.6 N

20

10

6

4

1

3

5

2

7

Meters

10

5

10

25

Feet

20

15

10

5

Min

0

0

0

Max

Waves

50-Year Return Time

St. Lucia

1. Castries: 5.4 m

1

2. Dennery: 5.3 m

3. Vieux Fort: 5.2 m

2

3

N

slide10

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

Surge Heights

15

Surge

13.6 N

20

10

1

2

3

4

6

5

Meters

10

20

15

10

5

Feet

10

5

Min

0

0

0

Max

Surges

50-Year Return Time

St. Lucia

1. Castries: 0.4 m

1

2. Dennery: 0.5 m

3. Vieux Fort: 0.3 m

2

3

N

slide11

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

15

Surge

13.6 N

Wind Speeds

0

1

2

3

4

5

20

Storm Category

10

10

knots

25

50

75

100

125

mph

10

25

50

75

100

150

125

5

kph

50

100

150

200

250

m/s

Min

20

60

10

30

40

50

70

0

0

0

Max

Winds

100-Year Return Time

St. Lucia

1. Castries: 49 m/s

1

2. Dennery: 48 m/s

3. Vieux Fort: 47 m/s

2

3

N

slide12

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

WaveHeights

Wave

30

15

Surge

13.6 N

20

10

6

4

1

3

5

2

7

Meters

10

5

10

25

Feet

20

15

10

5

Min

0

0

0

Max

Waves

100-Year Return Time

St. Lucia

1. Castries: 6.1 m

1

2. Dennery: 6.0 m

3. Vieux Fort: 5.9 m

2

3

N

slide13

14.25 N

60.65 W

Ross Wagenseil

for CDMP

January 2000

61.3 W

10yr

25yr

50yr

100yr

SELECT

KILOMETERS

MILES

ARC-MINUTES

Wind

20

CDMP

Wave

30

Surge Heights

15

Surge

13.6 N

20

10

1

2

3

4

6

5

Meters

10

20

15

10

5

Feet

10

5

Min

0

0

0

Max

Surges

100-Year Return Time

St. Lucia

1. Castries: 0.6 m

1

2. Dennery: 0.6 m

Ross Wagenseil

for CDMP

January 2000

3. Vieux Fort: 0.5 m

2

3

N