Mike Palmerino Telvent DTN Senior Ag Meteorologist
Wed Feb 27, 2013 03:31 PM CST

The magnitude of the change in the weather pattern during the past 7 days has clearly taken us by surprise. We seemed to be moving through the winter with the same dry pattern that has dominated the plains going back to the 2012 growing season. We did observe and mentioned on a blog that during the first 10 days of February the Southern Oscillation Index (SOI) became quite negative on a daily basis. This is indicative of El Nino. We referred to this as a El Nino bias to an overall neutral pacific pattern. It is our theory that the weather ...

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