Flood risk in the South and snow in the northern states

We’re starting Thanksgiving week off with a couple areas of weather to watch across the United States. There’s flood potential in the south and a snow risk in the north. In a lot of the in between, we’re dealing with fog.

Weather Watch

Flood risk. A Level 2 out of 4 flood threat is draped over portions of northeast Texas, southeast Oklahoma, southwest Arkansas, northern Louisiana and western Mississippi on Monday — flash flood watches and warnings were in effect in the Dallas/Fort Worth area early morning. Heavy rain associated with low pressure moving out of the Southern Plains toward the Mid-South to open the work week. There’s also a severe storm threat from east Texas to South Mississippi, including Houston where there is a low-end risk of tornadoes. Some areas should see 2 to 3 inches of rain or more.

Winter storm ahead. Another low-pressure area over the northern tier of the U.S. is bringing the likelihood of plowable snow to the northern Plains and Upper Midwest, particularly Tuesday and Wednesday. As much as half a foot-plus of snow could fall in the heaviest zone, while wind gusts around 35 mph whip it around into drifts and cause low visibility. There’s also a winter storm watch up for some of the lake effect snow belts off Lake Erie and Lake Ontario for Wednesday night through Friday.

Fog season. Parts of 18 states were under fog advisory or freezing fog advisory early Monday. With a relatively warm air mass over the South, we’re seeing the clash of high moisture content and low sun angle doing its thing to put more than 35 million in the soup.

Lightning links

Vietnam flooding kills at least 90. (France24)

Record amount of torrential rain causes severe flash floods in southern Thailand. (Reuters).

Impact of Tropical Cyclone Fina causing Australia temperatures to nudge towards 50 degrees. (Richard Wood, 9NEWS)

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Weekday morning newsletter by a journalist/forecaster. Connecting weather and climate change dots while occasionally stirring the pot.

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