Ag Weather Forum
Notable Early Frost Threat Building
The U.S. GFS forecast model has been consistent over the past several presentations in calling for freezing temperatures during the Friday Sept 12-Saturday Sept 13 weekend, and continues to do so as of Saturday morning Sept 6.
Temperatures of 32 Fahrenheit (0 degrees Celsius) are indicated by the Saturday GFS model run for portions of eastern South Dakota along with a swath of northern through south-central Minnesota on Friday morning Sept 12. During the overnight hours into 1 a.m. Saturday Sept 13, that 32-degree area moves eastward to take in much of the eastern half of Minnesota, the western half of Wisconsin, and the northeastern quarter of Iowa. Then, by 7 A.M. Central time Saturday the 13th--that 32-degree F area extends farther south to cover the entire eastern half of Iowa along with northwestern Illinois.
There is a good portion of the western and northern Corn Belt in line for an early and premature end to the growing season with this presentation.
Bryce
Twitter @BAndersonDTN
(CZ)
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