"This is going to help fill that gap in minutes to hours lead time that's vital to know where the heaviest rain is going to hit," Ralph said. "And when and what communities are going to be affected so people in the preparedness community and water resource management community can take action to help protect people's lives and property."
Flash flooding has been a major problem in recent days in places such as Maui, Molokai and the Big Island, where rain had been falling between 1 and 2in (2.5 and 5cm) an hour overnight, according to the Hawaii emergency management agency.
Residents were warned it was too dangerous to travel. If you're sheltering at home, move to the smallest, strongest, most protected room in your house such as a bathroom or a toilet. Rooms with few or smaller windows are better, though better than those with larger windows.
We're not expecting much in terms of winds, mainly just going to be flood potential. And thinking that the focus is going to be Oahu, Maui County and Big Island, with Kauai kind of being on the fringes of it versus, you know, all the Islands were impacted last time.
Californians looking to resume their weekly commute Tuesday awoke to see several major roads closed after heavy rains drenched much the state Monday - with the expected precipitation far from over. Among the closures was a section of Highway 1 through Big Sur, which state officials just weeks ago celebrated reopening for the first time in three years. The road closed Monday after rockslides left "debris in the roadway at multiple locations," according to the California Department of Transportation.
The country's new leader said Cyclone Gezani had destroyed nearly three-quarters of Madagascar's second-largest city Tsiky Sikonina / AFP Cyclone Gezani made landfall on Tuesday, slamming into the country's second-largest city, Toamasina, with winds reaching 250 kilometres (155 miles) per hour. The National Office for Risk and Disaster Management (BNRGC) said it had recorded 20 deaths, many after houses had collapsed.
In November 2025, a massive storm rolled across the lower Mekong River delta, dumping multiple inches of rain onto the wide, flat river plain that covers much of Cambodia. The river rose and rose. The force of the water churned up mud from the river bottom. The muddy water flowed downstream and rushed into the many farming and fishing towns that line the Mekong's banks.
This is a very serious set of weather conditions, said Emergency Management Commissioner Tim Wiebusch on Sunday. We haven't seen heatwave conditions like this in Victoria for almost 20 years. It was 2009, ahead of the [Black Saturday] bushfires where we saw those prevailing conditions.
A powerful storm system arrives Sunday with heavy rain, thunderstorms and dangerous waves, posing threats of flooding and debris flows through early next week. The strongest impacts hit late Sunday through Monday, with 1-2 inches of rain expected in valleys and coasts, twice as much in mountains. High-surf advisory expected Monday through Thursday, with waves exceeding 10 feet across all Southern California beaches and a 20-30% chance of damaging sets midweek.
Spain and Portugal have endured another storm over the weekend, just days after the deadly flooding and major damage caused by Storm Kristin and Storm Leonardo last week. Storm Marta passed over the Iberian peninsula on Saturday bringing fresh torrential rain, killing two people. Storm Kristin killed at least five people when it swept through Portugal last week with Storm Leonardo claiming another victim last Wednesday.
LIVE RADAR: Track storms as they move through the Bay Area with Live Doppler 7 Take a look at the chart above -- we will give each storm a number with 1 being the lightest type of storm and 5 being the most severe. This way you'll know what to expect. Number 1 means a light storm with 1/2 an inch of rain or less and likely lasting a few hours or less. Number 2 is a moderate storm with 1/2 an inch to one inch of rain forecast and could include scattered power outages.