Severe Weather for Midwest Flooding Threat for South 4 Atlantic Systems

Adobe Stock

Severe weather for the Midwest and thunderstorms will bring a flooding threat to parts of the South and Southeast, while two tropical storms and two disturbances brewing in the Atlantic could affect the US later in the week.

Thunderstorms over half the nation, severe weather in Midwest, flood threat for South

Thunderstorms will span from Montana to Pennsylvania, across the Midwest, Ohio Valley, South, Southeast, and parts of the mid-Atlantic on Monday.

Severe weather for Midwest

The National Weather Service (NWS) is warning of strong thunderstorms that could bring severe weather over the Midwest on Monday into Tuesday. The affected areas include northeast Montana; central and eastern Iowa; southeastern Minnesota; most of Wisconsin; west-central and northwestern Illinois.

Flooding threat for South and Southeast

The National Weather Service has issued flash flood watches and flood warnings for parts of the South and Southeast on Tuesday. The affected areas include northern Mississippi; central and northern Alabama; western and central Tennessee; northwestern and southeastern Georgia; northern Florida; southeastern South Carolina.

Some heavy rain with the potential for flash flooding could also extend into western North Carolina and western South Carolina.

4 active systems churning in the Atlantic, could potentially affect US late-week

Hurricane forecasters with the National Hurricane Center (NHC) and the National Weather Service (NWS) are tracking 4 active systems in the Atlantic.

According to forecasters, one disturbance is likely to develop into a tropical depression by Friday and could affect the US at some point.

The next available storm name is Sam, NOLA reports.

NHC forecasts as of early Monday, September 20, 2021

Tropical storm Peter: The current forecast track shows the storm bringing heavy rain to the Virgin Islands and Puerto Rico through Tuesday, then weakening into a depression by Wednesday and curving northeast toward Bermuda by Saturday.

Tropical storm Rose: The current forecast track has the storm remaining in the Atlantic, weakening to a depression by Thursday and posing no threat to land.

Disturbance #1: Has a 70% chance of forming into a tropical depression by Friday in the Atlantic. Forecasters say it’s too soon to determine where the system will go, but moving toward the US cannot be ruled out.

Disturbance #2: The remnants of Odette have a 30% chance of tropical or subtropical development. It is currently 200 miles southeast of Newfoundland and moving Southeast toward the middle of the Atlantic.