Daily North-Atlantic Oscillation (NAO) index: Statistics and its stratospheric polar vortex dependence
A daily NAO-index statistics is presented, which depends on a NAO-pattern characterised by the first Empirical Orthogonal Function (EOF) of monthly mean sea level pressure (ERA-40, December to February). The pattern explains 40 % of the monthly variance. Projection onto daily sea level pressure fiel...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Borntraeger
2005-12-01
|
| Series: | Meteorologische Zeitschrift |
| Online Access: | http://dx.doi.org/10.1127/0941-2948/2005/0085 |