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Widespread freeze and first measurable lake effect snow of the season

The second full week of October 2022 (week-ending October 15) was the coldest in 3 years and drier than normal for the Corn Belt as a whole. Severe thunderstorms spawned tornadoes in southern Wisconsin on Wednesday, with another area of severe weather in the lower Mississippi Valley. While this area very much needs the rain that accompanied the storms, they could certainly do without the damaging wind and hail these storms brought. The High Plains were primarily dry.

According to the United States Drought Monitor, abnormally dry and drought conditions (D0 and above) as of Oct. 11, 2022, are the most widespread across the nation since the drought monitor began in the year 2000. The threat for fires sparked by harvest activity was high in the second week of October.

Moving into the third week of October (week-ending October 22) some areas of the country will be feeling a bit wintry. A widespread freeze is expected to descend across the eastern half of the country by mid-week. This will end the growing season for a large portion of the east. Even some portions of the south could see frosts. Farther north, the first lake effect and measurable snow event of the season is expected downwind of the Great Lakes. According to data from WeatherTrends360, this will be the second coldest third week of October in over 30 years for the Corn Belt. 

Aside from the lake effect snow showers, precipitation will be hard to come by in the third week of October. WeatherTrends360 forecasts this to be the third driest third week of October in over 30 years for the Corn Belt. Drought conditions are likely to intensify and expand in the absence of any meaningful liquid precipitation.

Weather trends map for October 17



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