The Scrapbook

An index for the MJO using complex Empirical Orthogonal Functions

ceof
mjo

An early exploration of using cEOF to characterise the Maden-Julian Oscillation.

Stop using composites

statistics

Composites are bad. Use regressions instead.

Mini replication of "Subseasonal Vacillations in the [boreal] Winter Stratosphere"

stratospheric circulation

Fun fitting a sine model

Comment on "A new zonal wave 3 index for the Southern Hemisphere"

wave 3
general circulation

How to measure a wave that is not just a wave.

Sources and impacts of the zonally asymmetric component of the Southern Annular Mode

SAM
ENSO
general circulation

Explanation of our recent paper on asymmetric and symmetric parts of the Southern Annular Mode.

Does the Southern Annular Mode exist?

SAM
statistics
general circulation

Scavenging the literature on the Southern Annular Mode I came across two papers from the early 2000's which seem to question whether this mode is actually a global phenomenon and not a statistical artifact.

The meridional structure of the Semiannual Oscillation

Semiannual Oscillation
general circulation
tropics
stratosphere

How to filter out extra-tropical variabilty to highlight the structure of the Semiannual Oscillation using just multiple linear regression.

ENSO and regression to the mean

ENSO
statistics

How a recent paper published in Nature was pray to regression to the mean.

Analysis of "Global wave number-4 pattern in the southern subtropical sea surface temperature."

zonal waves
general circulation

A recent paper claims to have detected a global wave-4 pattern in subtropical SSTs. But have they really?

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The Scrapbook

Corrections

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