National City - Pacific Institute

California Flood Risk: Sea Level Rise
National City Quadrangle
117°7’30"W
117°5’0"W
489000m E
490
91
117°2’30"W
92
93
94
95
117°0’0"W
96
97
98
99
500000m E
Casa de Oro-Mount Helix
32°45’0"N
32°45’0"N
La Mesa
§
¦
¨
§
¦
¨
15
3623 000m N
3623 000m N
15
Spring Valley
22
22
Lemon Grove
¬
«
94
¬
«
¬
«
¬
«
125
94
125
21
21
San Diego
¬
«
15
3620
3620
La Presa
19
19
32°42’30"N
32°42’30"N
¬
«
54
18
18
17
17
§
¦
¨
805
§
¦
¨
805
16
16
Bonita
15
15
National City
¬
«
¬
«
54
54
32°40’0"N
32°40’0"N
14
14
§
¦
¨
§
¦
¨
5
5
13
13
12
12
11
11
Chula Vista
3610 000m N
3610 000m N
Coronado
32°37’30"N
32°37’30"N
489000m E
490
91
117°7’30"W
Interstate
US Highway
State Highway
County Highway
92
93
94
95
96
117°5’0"W
§
¨
¦
£
¤
¬
«
"
)
Current Coastal Base Flood
(approximate 100-year flood extent)
0
0.25
0.5
1
Sea Level Rise Scenario
Coastal Base Flood + 1.4 meters (55 inches)
Landward Limit of
Erosion High Hazard Zone in 2100
Coastal Zone Boundary
This information is being made available for informational purposes only. Users of this information
agree by their use to hold blameless the State of California, and its respective officers, employees,
agents, contractors, and subcontractors for any liability associated with its use in any form. This work
shall not be used to assess actual coastal hazards, insurance requirements, or property values
and specifically shall not be used in lieu of Flood Insurance Studies and Flood Insurance Rate Maps
issued by the Federal Emergency Management Agency (FEMA).
Data Sources: US Geological Survey, Department of Commerce (DOC), National Oceanic and Atmospheric
Administration (NOAA), National Ocean Service (NOS), Coastal ServicesCenter (CSC), Scripps Institution
of Oceanography, Phillip WIlliams and Associates, Inc. (PWA), US Department of Agriculture (USDA),
California Coastal Commission, and National Aeronautics and Space Administration (NASA). Imagery from ESRI and i-cubed.
97
98
117°2’30"W
1.5
2
0.5
1
Adjoining Quadrangles:
1: La Jolla
2
3
1
2
3
Project funded by the California Energy Commission’s
Public Interest Energy Research Program, CalTrans,
and the California Ocean Protection Council
2: not printed
3: not printed
Kilometers
Created by the Pacific Institute, Oakland, California, 2009.
Grid coordinates:
UTM Zone 11N meters
NAD83 GCS degrees
500000m E
117°0’0"W
Miles
0
99
4: Point Loma
4
5
5: not printed
6: Imperial Beach OE W
7: Imperial Beach
6
7
8
8: not printed
Map extents match USGS 7.5 minute topographic maps