Cool, dry end to September
The week-ending on Sept. 24 was the ninth warmest and ninth driest third full week of September in 30+ years for the United States Corn Belt, according to data from WeatherTrends360. Summer-like warmth in the first half of the week gave way to much cooler and more autumn-like temperatures in the second half of the week, as some of the coldest air of the season thus far arrived. In fact, the dip in temperatures brought freezing temperatures to the northern Great Lakes late in the week.
The precipitation trend was much the same as the previous few weeks in the Corn Belt with spotty rainfall across the region. The most meaningful rainfall fell in parts of Kansas, eastern Missouri, Illinois, and Ohio.
In the final week of September, week-ending Oct.1, autumn-like temperatures will continue, and this will be the eighth coldest end to September in 30+ years according to data from WeatherTrends360. Any frost or freezes should again be reserved to the northern Great Lakes.
The weather will be favorable for harvest activities as this will be one of the driest ends to September in 30+ years for the Corn Belt. Unfortunately, this means drought conditions are likely to deepen, especially across the western Plains.
Switching gears to the tropics, after what has been an unusually quiet first half of September in the Atlantic Basin, tropical activity has sprung to life towards the end of the month. Hurricane Fiona hit the Maritimes region of Canada in the final weekend of September with damaging winds, heavy rain, and storm surge. In the United States, attention turned toward a tropical disturbance aiming to impact the Southeast in the final week of September.
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