nao: North Atlantic Oscillation Index

Description Usage Author(s) Source

Description

This is the North Oscillation Index, downloaded in May 2014 and processed as follows.

1
2
3
4
5
d <- scan("https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/norm.nao.monthly.b5001.current.ascii.table")
isYear <- d > 1900
index <- d[!isYear]
year <- 1/24 + seq(d[isYear][1], by=1/12, length.out=length(index))
nao <- data.frame(year=year, index=index)

Usage

1

Author(s)

Dan Kelley

Source

http://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/norm.nao.monthly.b5001.current.ascii.table


ocedata documentation built on May 2, 2019, 3:39 p.m.