Climate Central: What a difference a year makes.
Last March, the U.S. was basking in a heat wave that drove temperatures into the 70s all the way to the Canadian border, as winter snows rapidly retreated and flowers bloomed. Unaware of the devastating drought to follow, the warmth prompted farmers all across the nation to plant their crops several weeks early, and a record corn harvest was predicted.
Forecast sea level pressure departures from average from the GFS computer model. This shows the large area of...