Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Record Warmth to Start October
Near Record Cold by Halloween
Extreme Temperature Change
Lack of Fall Temperatures

All-Time Hottest October Temperatures Summer-like temperatures persisted into late September and early October due to an unseasonably strong upper level ridge centered over the southeastern United States. This lead to record high temperatures with mid 90s common for 5 consecutive days in some locations. The highest temperatures of the year occurred in some locations (including Evansville) in early October, which is unprecedented. Paducah, Evansville, and Cape Girardeau all experienced their warmest October temperatures on record.

Near Record Cold on Halloween

Extreme Temperature Swing

Lack of Fall-like Temperatures

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Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Wild Temperature Swing in October 2019 and Lack of Fall Weather