First big storm of season could reach hurricane force and is expected to bring potentially heavy rains and flooding

Tropical Storm Edouard headed toward the US Gulf coast early on Tuesday and was expected to strengthen significantly – possibly reaching hurricane force – before bringing potentially heavy rains and flooding into parts of Texas and Louisiana.

The storm was upgraded on Monday night from a tropical depression, and forecasters with the National Hurricane Center (NHC) expect it will make landfall in Texas later on Tuesday.

Flash flooding in Arizona tourist destination was likely triggered by compounding climate factors, such as drought and warming in Pacific Ocean

• Remote Grand Canyon lodge hit by deadly flash flood boasts fabled history

A deadly flash flood in the Grand Canyon over the weekend was likely driven by a confluence of climate factors, including drought, wildfire scarring and warming temperatures in the Pacific Ocean that can supercharge storms.

At least two people have died, nearly 80 people were rescued and one remained unaccounted for after a surge of water and debris swept through the immensely popular tourist destination on Saturday, fueled by torrents of rain that hit the national park’s Bright Angel Creek area.

Officials say one person still unaccounted for as forecast heavy rain and thunderstorms threaten further flooding

A second death was confirmed by National Park Service officials on Monday after a flash flood sent a surge of water and debris through an area of the Grand Canyon over the weekend.

Dozens of visitors had to be evacuated by helicopter during the deluge, which consumed trails and infrastructure. Nearly 80 people were rescued and one person is still unaccounted for, as more heavy rain and thunderstorms in the forecasts threaten additional debris flows, flash floods or rock falls, the NPS said in a statement.

Dozens evacuated after flash-flood event near Bright Angel Canyon and Phantom Ranch, officials say

One person died and about 15 people were missing or unaccounted for after a major flash flood swept through the Grand Canyon national park in Arizona on Saturday afternoon, according to the National Park Service.

The flash-flood event occurred in the area of Bright Angel Canyon and the Phantom Ranch, where park staff and the Arizona department of public safety had evacuated more than 60 people as of Sunday morning.