Weather across America

Published: 09/17/2023, 6:46 PM
Edited: 09/18/2023, 2:51 AM

(NATIONAL) Shower and storm chances along the East Coast confine to New England, unsettled weather and severe storm chances return to parts of the Southern Plains and much above average high temperatures spread from the Northern Rockies to the Northern Plains.

A pair of frontal systems and area of low pressure expected to develop off the Mid-Atlantic coastline are forecast to spread wet weather up and down the East Coast through Sunday night. A few storms could produce damaging wind gusts, an isolated tornado, and localized flash flooding across coastal sections of Georgia, South Carolina, and North Carolina. 

Farther north, mostly light to moderate rainfall is expected to spread into the Northeast Sunday night and eventually New England on Monday as the aforementioned low pressure system deepens and pushes northward. Much of New England has experienced periods of heavy rainfall recently, which leads to many areas being more susceptible to instances of flooding. A Marginal Risk (level 1/4) of Excessive Rainfall has been issued for Monday from eastern Connecticut to Maine due to the threat of a few inches of rain within a relatively short period of time. Residents and visitors are reminded to remain weather aware and avoid driving through flooded roadways. 

Thankfully, this system is expected to be rather progressive and exit the region by early Tuesday. 

Additionally, wet weather is expected across much of the central and southern Florida Peninsula as a slow-moving cold front lingers over the region, sparking widespread daily thunderstorm chances into early this week.  The other part of the country with notable shower and thunderstorm chances over the next few days is anticipated to be located across the Southern Plains on Tuesday. Upper-level energy ejecting off the Central Rockies interacting with a lingering frontal boundary and increasing atmospheric moisture will allow for developing thunderstorms by Tuesday evening. 

The Storm Prediction Center has issued a Slight Risk (level 2/5) of severe thunderstorms across northwest Texas as well as central and western Oklahoma. Large hail and damaging wind gusts are expected to be the primary hazards, along with locally heavy rain. 

While cooler autumn temperatures are forecast throughout much of the East through Tuesday, above average temperatures are expected to spread into the Northern Plains. Highs to start the workweek into the 80s and low 90s will be found across much of the Great Plains, which is up to 20 degrees above average across the Northern Plains when compared to climatology. 


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