slp: Hadley SLP monthly mean dataset

In marchtaylor/sinkr: Collection of functions with emphasis in multivariate data analysis

Hadley SLP monthly mean dataset

Description

The slp data set contains monthly sea level pressure data for the Equatorial Pacific within the lat/lon range 180 W - 70 W and 30 S - 30 N, and spanning the years 1971-1998.

• grid. Dateframe of lon/lat coordinates corresponding to columns of slp$field (5 deg resolution)

• date. Vector of monthly date values corresponding to rows of slp$field

• field. Matrix of sea level pressure values by month and lon/lat position.

Usage

data(slp)

Format

A list consisting of: 1. a dataframe for lon/lat positions, 2. a vector of monthly date values, and 3. a matrix of slp values by month and lon/lat position (1536 rows, 231 columns)

Source

http://www.esrl.noaa.gov/psd/gcos_wgsp/Gridded/data.hadslp2.html

Examples

### Ex 1. Plot of single month
library(maps)
data(slp)
plot(slp$grid, col=val2col(slp$field[1000,]), pch=".", cex=20)
map("world", add=TRUE)

marchtaylor/sinkr documentation built on July 4, 2022, 5:48 p.m.