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Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Overview

Overnight on Sunday, November 3rd, a shield of rain and thunderstorms moved into the bi-state area. By Monday morning, persistent rainfall resulted in fatal flash flooding in southeast Missouri, with one fatality occurring in Iron County. Later on Monday evening, a QLCS produced two EF-0 tornadoes in east- central Missouri and shifted the axis of heaviest rain to the north. Due to the shift northward, record rainfall amounts caused deadly flash flooding in the St. Louis metropolitan area on Tuesday morning with two fatalities caused by rising waters. Below is a more in-depth summary of the November 4th and 5th event.

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QPF Loop from Midday November 3rd Until Midday November 5th
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