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Heavy rain, tropical activity could threaten harvest In the South

The Corn Belt continues to see more rainfall misses than hits.

Rainfall was more miss than hit in the Corn Belt in the final full week of August, week-ending August 27. According to data from WeatherTrends360, this was the fourth driest final week of August in 30+ years for the Corn Belt as a whole. Temperatures averaged around normal for the week overall. 

Conversely, the final full week of August was a drencher for many of the central and western Gulf Coast states. The heavy rain resulted in a several class improvement in drought conditions for East Texas, far southwestern Arkansas, and northern Louisiana. Unfortunately, the drought relief arrived on the wings of flooding rainfall. Flooding struck many areas in the Gulf Coast states as very heavy rain fell in a short amount of time, including in Dallas, Texas, and Jackson, Mississippi. 

Precipitation trends will continue much the same as the past few weeks in the Corn Belt for the week-ending September 3. Hit-or-miss showers and thunderstorms will bring scattered moisture to the region, although as the Labor Day weekend approaches, dryness will be much more widespread.

The big weather story as we near Labor Day weekend will be the activity in the tropics. Computer forecast models continue to indicate a risk of a tropical cyclone developing and potentially interacting with the United States mainland. The tropics will be something to keep an eye on heading into early September and as we approach the climatological peak of the Atlantic Hurricane Season, which occurs in mid-September. Should a storm threaten the Gulf Coast, there could be harvest delays and an elevated threat for flooding given the recent heavy rains in the region.



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