On April 16, 1939 deadly tornadoes struck Texas, Arkansas and Louisiana.
17 Apr 1939, 1 – Fort Worth Star-Telegram at Newspapers.com
This came three months after record heat and fires in Australia.
p1 – 14 Jan 1939 – The Courier-Mail (Brisbane, Qld. : 1933 – 1954) – Trove
13 Jan 1939 – HUNDREDS FLEE FROM SWEEPING BUSHFIRE PERIL – Trove
Later in the year the US experienced record heatwaves.
11 Oct 1939, Page 5 – The Indianapolis Star at Newspapers.com
13 Oct 1939, 16 – The Times at Newspapers.com