Minor flood events
average annual frequency
Coastal region
1990
2020
2050
US average
1 event
3
>10
Northeast Atlantic
2
4
>10
Southeast Atlantic
<1
2
>10
Eastern Gulf
<1
2
>10
Western Gulf
1
4
>10
Southwest Pacific
<1
1
>10
Northwest Pacific
3
4
>10
Hawaii
<1
<1
9
US Caribbean
<1
<1
6
Alaska
<1
<1
<1
Moderate flood events
average annual frequency
1990
2020
2050
Coastal region
<1
<1
4
US average
<1
<1
6
Northeast Atlantic
<1
<1
4
Southeast Atlantic
<1
<1
3
Eastern Gulf
<1
<1
>10
Western Gulf
<1
<1
<1
Southwest Pacific
<1
<1
1
Northwest Pacific
<1
<1
<1
Hawaii
<1
<1
<1
US Caribbean
<1
<1
<1
Alaska
Minor flood events
average annual frequency
Coastal region
1990
2020
2050
US average
1 event
3
>10
Northeast Atlantic
2
4
>10
Southeast Atlantic
<1
2
>10
Eastern Gulf
<1
2
>10
Western Gulf
1
4
>10
Southwest Pacific
<1
1
>10
Northwest Pacific
3
4
>10
Hawaii
<1
<1
9
US Caribbean
<1
<1
6
Alaska
<1
<1
<1
Moderate flood events
average annual frequency
1990
2020
2050
Coastal region
<1
<1
4
US average
<1
<1
6
Northeast Atlantic
<1
<1
4
Southeast Atlantic
<1
<1
3
Eastern Gulf
<1
<1
>10
Western Gulf
<1
<1
<1
Southwest Pacific
<1
<1
1
Northwest Pacific
<1
<1
<1
Hawaii
<1
<1
<1
US Caribbean
<1
<1
<1
Alaska
Minor flood events
average annual frequency
Moderate flood events
average annual frequency
Coastal region
1990
2020
2050
1990
2020
2050
US average
1 event
3
>10
<1
<1
4
Northeast Atlantic
2
4
>10
<1
<1
6
Southeast Atlantic
<1
2
>10
<1
<1
4
Eastern Gulf
<1
2
>10
<1
<1
3
Western Gulf
1
4
>10
<1
<1
>10
Southwest Pacific
<1
1
>10
<1
<1
<1
Northwest Pacific
3
4
>10
<1
<1
1
Hawaii
<1
<1
9
<1
<1
<1
US Caribbean
<1
<1
6
<1
<1
<1
Alaska
<1
<1
<1
<1
<1
<1
Minor flood events
average annual frequency
Moderate flood events
average annual frequency
Coastal region
1990
2020
2050
1990
2020
2050
US average
1 event
3
>10
<1
<1
4
Northeast Atlantic
2
4
>10
<1
<1
6
Southeast Atlantic
<1
2
>10
<1
<1
4
Eastern Gulf
<1
2
>10
<1
<1
3
Western Gulf
1
4
>10
<1
<1
>10
Southwest Pacific
<1
1
>10
<1
<1
<1
Northwest Pacific
3
4
>10
<1
<1
1
Hawaii
<1
<1
9
<1
<1
<1
US Caribbean
<1
<1
6
<1
<1
<1
Alaska
<1
<1
<1
<1
<1
<1
Minor flood events
average annual frequency
Moderate flood events
average annual frequency
Coastal region
1990
2020
2050
1990
2020
2050
US average
1 event
3
>10
<1
<1
4
Northeast Atlantic
2
4
>10
<1
<1
6
Southeast Atlantic
<1
2
>10
<1
<1
4
Eastern Gulf
<1
2
>10
<1
<1
3
Western Gulf
1
4
>10
<1
<1
>10
Southwest Pacific
<1
1
>10
<1
<1
<1
Northwest Pacific
3
4
>10
<1
<1
1
Hawaii
<1
<1
9
<1
<1
<1
US Caribbean
<1
<1
6
<1
<1
<1
Alaska
<1
<1
<1
<1
<1
<1