Severe weather is threatening parts of the United States during the Labor Day weekend. Damaging winds, intense rain and flash flooding remain the main hazards on Sunday, September 6. The greatest storm risks stretch across parts of the Southeast and Montana, according to ABC News, as reported by the Baltimore Chronicle.
Severe storms target the Southeast
Thunderstorms damaged homes in Tennessee after trees fell during Saturday’s storms. Injuries were also reported in the state. At Fayetteville Regional Airport in North Carolina, instruments recorded a 72 mph wind gust. The National Weather Service confirmed heavy rain and winds gusting to 72 mph there.
On Sunday, a Level 2 of 5 slight risk covers parts of Georgia, North Carolina and South Carolina. Atlanta, Savannah, Columbia, Charleston and Charlotte are among the cities affected.
The main hazards are:
- damaging wind gusts;
- localized flash flooding;
- isolated large hail.
Western and central Montana face a similar severe thunderstorm risk. Great Falls and Butte could see damaging winds and large hail. The Storm Prediction Center also identifies separate slight-risk areas in the Southeast and Montana.
Despite these threats, much of the country should experience relatively calm weather during the holiday weekend.
Where flash flooding could develop
A separate flash flood threat covers parts of southern Nevada, northern Arizona and Utah. Grand Canyon, Zion and Bryce Canyon national parks are among the areas exposed to heavy thunderstorms.
Recent wildfire burn scars are especially vulnerable. Heavy rainfall can quickly move ash, soil and debris downhill.
| Region | Main threat |
|---|---|
| Southeast | Damaging winds, flash flooding |
| Montana | Damaging winds, large hail |
| Arizona, Utah, Nevada | Flash flooding |
| Hawaii | Heavy rain, high surf, tropical-storm winds |
Conditions should become quieter across much of the continental US on Labor Day Monday. Scattered thunderstorms may still produce lightning, downpours and gusty winds.
Dangerous heat continues across the South
Heat remains another concern. More than 40 million people were under heat alerts Sunday from Kansas toward Georgia, according to ABC News. Heat indices could climb into triple digits.
Kansas City remains particularly hot into the new workweek. Meanwhile, cooler air is spreading across the Northeast and farther south along the East Coast.
Hurricane Lowell threatens Hawaii
Hurricane Lowell adds another weather threat in the Pacific. The storm remained a Category 3 hurricane Sunday, with maximum sustained winds of 125 mph.
A tropical storm warning is in effect for Kauai County, including Kauai and Niihau. Lowell is expected to pass west of the main Hawaiian Islands Monday night. Landfall on the main islands is not forecast.
The hurricane could still produce 6 to 10 inches of rain on Kauai, with isolated totals reaching 14 inches. The National Hurricane Center warns of significant flash flooding and mudslides. Dangerous surf and rip currents are also expected around several islands.
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