Severe weather poses a significant threat to nearly 70 million individuals residing across the Gulf Coast and Southeast, as indicated by the Storm Prediction Center. The impending winter storm, following closely on the heels of the season’s initial major weather event, is anticipated to unleash a barrage of hazards ranging from heavy snow and blizzard conditions to strong winds, tornadoes, and severe flooding.
On Monday, a Level 3 out of 5 enhanced risk is forecasted for cities including New Orleans, Louisiana, Gulfport, Mississippi, and Mobile, Alabama, with a heightened likelihood of tornadoes. Simultaneously, a Level 3 out of 4 moderate risk for excessive rainfall, ranging from 3 to 5 inches, raises concerns about widespread flooding.
As the storm progresses eastward on Tuesday, an enhanced risk of severe weather is projected for cities like Tallahassee, Florida, Albany, Georgia, and Panama City, Florida. This disruptive weather system unfolds just a day after a previous winter storm blanketed the Northeast with over a foot of snow, accompanied by rain, snow, ice, and even a tornado across its path from the Gulf Coast to Maine.
Expected to rapidly intensify into a formidable January storm, this fast-moving system, covering over 1,800 miles in 72 hours, is set to produce substantial snowfall across multiple states. Accumulations of at least 6 inches are anticipated from northern New Mexico to the Upper Peninsula of Michigan. Blizzard conditions, poor visibility, and treacherous driving conditions are imminent for the Southwest, central and southern Plains, and the Midwest.
Beyond snow and cold temperatures, the storm’s eastward surge is anticipated to bring about flooding, damaging winds, and potential tornadoes. The Gulf Coast, in particular, faces a severe storm threat with warm, moist air fueling the risk of strong tornadoes and damaging winds affecting more than 15 million people on Monday and over 35 million on Tuesday.
Additionally, the storm’s strong winds, combined with its substantial rainfall, raise the specter of widespread river and flash flooding from the central Gulf Coast through the Eastern U.S. Locations from the Gulf Coast to New England may experience rainfall totals of 1 to 3 inches, with isolated areas exceeding 4 inches.
This poses a serious concern for the Northeast, where the potential for flooding is heightened by the preceding snowstorm. The risk level for flooding is rated at Level 3 out of 4 in portions of New Jersey, New York, and Pennsylvania on Tuesday, and Level 2 out of 4 for the entire path of the first storm from Georgia through Massachusetts.
Saturated ground also increases the risk of wind-related damage, with gusty winds expected to surpass 50 MPH over the Appalachians to the East Coast. Power outages are a looming threat, and high wind watches, or possibly hurricane-force wind watches, might be issued for coastal areas.
Further challenges include high surf, beach erosion, and dangerous rip currents along the coast. While the storm system is predicted to conclude towards the end of the week, another storm with a similar trajectory may impact the same regions later in the week and into the weekend.
CNN meteorologist Gene Norman contributed to this comprehensive report.
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