Fall 2021 Climate Summary

Overview and Graphics
Seasonal Summary
Severe Weather Summary

Overview and Graphics

Fall 2021 Climate Summary: Temperatures averaged above normal by around 1 to 2 degrees. The warmest month compared to normal was October with temperatures 4 to 6 degrees above normal while the coldest compared to normal was November with temperatures 1.5 to 3.5 degrees below normal. It was the 9th warmest fall at Cape Girardeau.

Precipitation was variable across the region with both Carbondale and Poplar Bluff finishing wetter than normal. Aside from counties that include or are near those two cities, precipitation was near or below average for the rest of the Quad State. Sites near Poplar Bluff received the most precipitation with almost 15’’ of rainfall, while the lowest totals were around 6-8 inches, primarily at sites near the Ohio River. November was drier than normal across the entire Quad State, while September and October had some above normal and some below normal areas.

The graphic below is an interpolated rainfall map using actual observations. Please note that there are likely discrepancies in between observations, since the values are estimated based on nearest reports.

Summer 2021 Review: Precipitation and Temperature Maps (Click on image to enlarge)

Climate Maps are from the Northeast Regional Climate Center

Seasonal Summary Listings of normals and records for Paducah, Evansville, and Cape Girardeau

Seasonal Climate Report: Paducah | Evansville | Cape Girardeau | Poplar Bluff | Carbondale

# of Warnings Issued - Fall 2021 (Click on images to enlarge) The graphics below show all of the severe thunderstorm and tornado warnings issued across our 58 county forecast area during the September through November period of 2021.

Severe Thunderstorm Warnings - County Based	Severe Thunderstorm Warnings - Polygon Based

Tornado Warnings - County Based	Tornado Warnings - Polygon Based