A Historic Freeze across the Southeast from the early 20th Century! (credit: This Day in Weather History)
DISCUSSION: In looking back to the earlier part of the 20th century, there was quite an unprecedented cold spell which took hold of much of the southeastern United States. As a result of this unexpected intrusion of particularly cold air, there was a severe agriculture impact felt across a large swath of the regional and national orange crop success. More specifically, temperatures across many parts of south/central Florida fell as low as the lower-to-middle 20's while parts of northern Florida experienced temperatures as low as 0 to 10 degrees Fahrenheit. This cold air blast was triggered as a consequence of a strong low pressure system from the north-central United States having its associated cold front push through nearly the entire south-central and southeastern United States. Therefore, upon this strong cold front moving through, this allowed modified Arctic air to slide down across many areas which did not anticipate the arrival of such cold air. Thus, this was quite an extremely rare and unexpected intrusion of very cold air which induced substantial impacts on national agricultural gross domestic product and overall crop production revenue. Thus, aside from the sensible weather impacts from the cold air itself, there were many unique impacts from this one cold air blast.
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©2016 Meteorologist Jordan Rabinowitz