download_mei | R Documentation |
MEI.v2 is based on EOF analysis of level pressure, sea surface temperature, surface zonal winds, surface meridional winds, and Outgoing Longwave Radiation. The analysis is conducted for 12 partially overlapping 2-month "seasons".
Warm phase is defined as MEI index greater or equal to 0.5. Cold phase is defined as MEI index lesser or equal to -0.5.
download_mei(use_cache = FALSE, file = NULL)
use_cache |
logical option to save and load from cache. If 'TRUE', results will be cached in memory if 'file' is 'NULL' or on disk if 'file' is not 'NULL'. |
file |
optional character with the full path of a file to save the data. If 'cache' is 'FALSE' but 'file' is not 'NULL', the results will be downloaded from the internet and saved on disk. |
Date: Date object that uses the first of the month as a placeholder. Date formatted as date on the first of the month because R only supports one partial of date time
Month: Bi-moonthly season of record
Year: Year of record
MEI: Multivariate ENSO Index Version 2
Phase: ENSO phase
https://psl.noaa.gov/enso/mei/
## Not run:
mei <- download_mei()
## End(Not run)
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