El Niño Circulation Reanalysis; September Summary; Worldwide AQI

El Niño Circulation Reanalysis; September Summary; Worldwide AQI

 

Here's a reanalysis of the 500 mb heights, height anomalies and the precipitable water anomalies for the strong and very strong El Niño winters (Nov-Mar). See http://ggweather.com/enso/reanalysis/ These really brought back my recollections from 1997-98 of the nearly continuous zonal flow across the Pacific, and the models being consistently too slow with the embedded short-waves.

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Not surprisingly, September was warmer than normal statewide while precipitation ranged from negligible to epic (Los Angeles, 996% of normal). But the Southern California rainfall must be kept in perspective as normal in LA for September is on 0.24". See  http://ggweather.com/calif/sep2015.htm 

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Interesting website with near-real-time Air Quality Index (AQI) values color-coded world-wide.  http://aqicn.org/here/ 


Jan Null, CCM
Golden Gate Weather Services
http://ggweather.com