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Tuesday, September 10, 2013
Let's begin with a map of the amount of rain needed, in addition to normal, to break the drought in areas of the West.
This is the new 7-day rainfall amount forecast from the U.S. Global Forecast System model:
There is a tropical moisture headed for South Texas from a weather system near the Yucatan. There is a second system over northern Baja California moving slowly north northeast that will tap deep tropical moisture moving toward the southern Rockies.