|
<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />I
<br />
<br />I WITH
<br />fLOODWA Y
<br />(FEET NGVD)
<br />
<br />WITHOUT
<br />FLOOOWA Y
<br />
<br />I
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />SECTION
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />0.0
<br />0.8
<br />0.0
<br />0.2
<br />0.3
<br />0.2
<br />0.4
<br />0.0
<br />0.1
<br />0.0
<br />0.1
<br />0.0
<br />
<br />5,333.1
<br />5,335.0
<br />5,370.9
<br />5,371.2
<br />5,371.3
<br />5,371.8
<br />5,393.9
<br />5,410.2
<br />5,429.7
<br />5,478.1
<br />5,479.8
<br />5,496.2
<br />
<br />5,333.1
<br />5,334.2
<br />5,370.9
<br />5,371.0
<br />5,371.0
<br />5,371.6
<br />5,393.5
<br />5,410.2
<br />5,429.6
<br />5,478.1
<br />5,479.7
<br />5,496.2
<br />
<br />5,333.1
<br />5,334.2
<br />5,370.9
<br />5,371.0
<br />5,371.0
<br />5,371.6
<br />5,393.5
<br />5,410.2
<br />5,429.6
<br />5,478.1
<br />5,479.7
<br />5,496.2
<br />
<br />2.1
<br />3.9
<br />0.9
<br />2.2
<br />1.5
<br />5.0
<br />0.9
<br />4.4
<br />4.5
<br />0.2
<br />4.5
<br />8.1
<br />
<br />636
<br />340
<br />,470
<br />584
<br />844
<br />251
<br />,298
<br />192
<br />187
<br />,839
<br />181
<br />101
<br />
<br />1
<br />
<br />3
<br />
<br />1
<br />
<br />129
<br />160
<br />150
<br />250
<br />250
<br />230
<br />300
<br />234
<br />145
<br />272
<br />79
<br />51
<br />
<br />OIST ANCE
<br />
<br />7,400
<br />8,000
<br />9,965
<br />10,300
<br />10,450
<br />10,550
<br />12,060
<br />13,150
<br />14,160
<br />15,500
<br />16,200
<br />16,850
<br />
<br />CROSS SECTION
<br />
<br />Airport Creek
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />G
<br />H
<br />I
<br />J
<br />K
<br />L
<br />
<br />0.1
<br />0.0
<br />0.0
<br />0.0
<br />
<br />5,414.5
<br />5,503".2
<br />5,512.3
<br />5,540.4
<br />
<br />5,414.4
<br />5,503.2
<br />5,512.3
<br />5,540.4
<br />
<br />5,414.4
<br />5,503.2
<br />5,512.3
<br />5,540.4
<br />
<br />3.3
<br />4.8
<br />0.3
<br />5.4
<br />
<br />68
<br />29
<br />476
<br />20
<br />
<br />123
<br />41
<br />112
<br />23
<br />
<br />Above Confluence With Big Dry Creek
<br />
<br />800
<br />3,550
<br />3,880
<br />4,620
<br />
<br />North Branch
<br />Airport Creek
<br />A
<br />B
<br />C
<br />D
<br />
<br />IFeet
<br />
<br />FLOODWAY DATA
<br />
<br />NORTH BRANCH AIRPORT CREEK
<br />
<br />AIRPORT CREEK
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />BOULDER COUNTY, CO
<br />AND INCORPORATED AREAS
<br />
<br />T
<br />A
<br />B
<br />L
<br />E
<br />5
<br />
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