Wind shear, which is the change in wind speed or direction in the atmosphere, can disrupt a developing tropical system. "We expect this mass of showers and thunderstorms to overcome wind shear and ...

Given the heavy rain that has already fallen across much of this region, additional downpours are expected to trigger flash flooding, especially in low-lying and poor drainage areas. Reduced ...

Atlantic, Gulf warming raises risk for tropical development and strong hurricanes With the buildup of heat across the Atlantic, Gulf, and Caribbean, conditions may soon favor more frequent and intense ...

Nor'easter howling at coast with damaging storm surge, power outages and heavy rain A powerful nor’easter is forecast to stall near New Jersey and Long Island, New York, this weekend, bringing major ...

Hawaii is under a state of emergency after a powerful Kona storm brought heavy rain, wind gusts over 100 mph, widespread power outages and heavy snow to the highest summits. Outages jumped early ...

The Long Island Sound and coastal Massachusetts were still approaching low tide, with high water expected between about 10 p.m. and 1 a.m. ET. Flooding is expected to intensify again in vulnerable ...

In the past week, Polo's winds reached 180 mph on two separate occasions, which is extremely rare for a tropical cyclone in any basin on the planet. The storm strengthened from a tropical storm to a ...

Polo's moisture to unleash up to 18 inches of rain on Texas, New Mexico Moisture from Polo will fuel heavy rain from the Rockies to the Midwest this week, with 4-8 inches of rain bringing drought ...

Summer weather has returned with a vengeance across the West, with parts of California bearing the brunt of the latest heat wave. Record-challenging temperatures in the 90s and triple digits are ...

Nolo's close pass closes Big Island highway, whips up big surf as federal emergency declared Federal emergency declaration is in place as Hawaii faces its fourth tropical threat in about six weeks ...

Flooding also created hazardous travel in southern Nevada. Video from Laughlin showed drivers navigating water-covered roads as swift-moving runoff pushed debris onto the pavement. In Henderson, ...

Will 2026 go down with no Atlantic hurricanes? There is a risk of tropical development near the Southeast Coast around midmonth, but the overall tropical Atlantic activity is forecast to be minimal in ...