Greenland Blocking Index (GBI)

A measure of blocking over Greenland.

sample plot

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sample plot

Time-series Plotting page

Description

500mb geopotential height area averaged 60-80N, 280-340E from the daily averaged NCEP/NCAR Reanalysis (0,6,12 and 18Z).

Specifications

Temporal Coverage

Monthly values: 1948/01 to present
Update Status: Monthly

Data Notes

Units: mb
Missing data value: -999.0

Get Data

Time-series List

GBI from 1851: Standard PSL Format, CSV, NetCDF (What is standard format?)
GBI from 1948: Standard PSL Format, CSV, NetCDF (What is standard format?)

Usage

Usage Restrictions

None

Caveats

None

Related time-series and links

Related Time-series

Links

Analysis pages that use time-series

Analysis pages

Source, References, and Citation

Original Source

Index is calculated at PSL.

Time-series source dataset(s)

NCEP R1.

References

Hanna, E. J. Jones, J. Cappelen, S.H. Mernild, L. Wood, K. Steffen and P. Huybrechts: The influence of North Atlantic atmospheric and oceanic forcing effects on 1900–2010 Greenland summer climate and ice melt/runoff. 30 March 2013. International Journal of Climatology. 33, Issue 4, 862–88.