Where is tropical storm Harvey, what’s it’s path, what day did it hit and what’s happened in Houston?
SWATHES of Texas remain submerged in flood waters after tropical storm Harvey wreaked havoc across much of the southern US state.
The category four storm struck the state's central coast on August 25 and is dumping unprecedented levels of rainfall. Here's everything you need to know...
Where is Hurricane Harvey?
At around 10.30 am BST, Harvey made landfall in south-western Louisiana on 30 August.
The hurricane was hovering offshore in the Gulf of Mexico after it dumped a record number of rainfall in parts of Texas.
The hurricane made landfall in Texas and has pummelled the south east of the state.
As it travelled further into the mainland the category 4 hurricane was downgraded to a tropical storm.
The National Hurricane Centre warns torrential rain and storm surges could bring life-threatening flooding to Houston.
Harvey is now set to make landfall in Louisiana, covering the city with massive downpours according to forecasts.
What is Harvey's current path and how can I track it?
Harvey is expected to strike Louisiana, Mississippi, Tennessee and Kentucky by 2 September. But it will continue to batter Louisiana during the early days of September.
The National Weather Service has issued flood warnings for the entire state.
The US National Weather Service has provided a.
On a US map, a grey coloured ring covers the on-land areas that can expect to be hit in the next three days and a spotted circle covers the areas which will be hit in the next four to five days.
What's happened in Houston?
A chemical plant is now expected to catch fire and could explode. After the city lost electricity, the Arkema chemical plant could not continue to refrigerate the chemical compounds - which essentially become explosive if they warm up.
A spokeswoman said: "The fire will happen. It will resemble a gasoline fire. It will be explosive and intense in nature ."
Hurricane Harvey dumped ore than 50 inches of rain in Houston in a few days - more than the average rainfall for an entire year.
The storm was expected to produce an additional 15 to 30 cm of rain to the north and east of Houston as it moves to Louisiana, but it is projected to weaken.
The National Weather Service said Harvey is projected to move inland to the north east and be over Mississippi by Thursday.
When did Hurricane Harvey make landfall?
On Friday August 25, Harvey struck Corpus Christi, Texas and has continued to inflict chaos upon southern US cities since.
The tropical storm has killed at least 31 people and damaged or destroyed at least 30,000 homes.
After the first 72 hours of the storm, Harvey struck Cameron, Louisiana with winds speeds of up to 40 mph.
Houston, America's fourth largest city, is partially flat, so the tremendous floods have left large strips completely destroyed.
Since its initial appearance, 33,000 people in Texas have fled to more than 230 shelters, according to officials.
Officials were concerned as locals reported of an .
Some who were trapped by flooding, reported of headaches, sore and itchy throats, and itchy eyes.
How dangerous is Hurricane Harvey?
The tropical storm now holds the US record for the most rainfall from a tropical system.
Winds have topped 130 mph and downpours have reached a horrific four inches per hour.
Although it was downgraded to a tropical storm, the category 4 hurricane has caused “devastating damage” to houses and affected public utilities.
Experts have branded Harvey the "worst storm of the decade".
More than 50 inches of rainwater have been confirmed in the Houston area alone with three to four inches reported in just 60 minutes.
There have been many cases of roofs collapsing, walls falling on people across Houston and other cities in south-east Texas.