WEATHER forecasters have issued "danger to life" warnings over a fresh bout of heavy rain and thunderstorms hitting Scotland.

The Met Office in a yellow warning which is valid for the whole of Friday and covers nearly all of Scotland says a fresh deluge has the potential to bring more disruption in the wake of transport chaos caused by floods over the past week.

And the Scottish Environmental Protection Agency (SEPA) has 14 flood alerts covering most of Scotland with heavy rain predicted to continue well into Saturday.

READ MORE: Commuters hit as floods shut down Glasgow to Edinburgh rail services

The Met Office say there is a small chance that homes and businesses could be flooded, causing damage to some buildings.

And they say that when flooding occurs, there is a slight chance of delays or cancellations to train and bus services.

The Met Office warning says: "There is a small chance of fast flowing or deep floodwater causing danger to life.

"Spray and flooding could lead to difficult driving conditions and some road closures.

The Herald:

The SEPA flood alert map.

"There is a small chance that some communities become cut off by flooded roads."

A Saturday a yellow thunder warning is in place, and won't be lifted until 6am on Sunday.

SEPA warned that the heavy persistent rain may lead to "localised flooding from surface water and smaller rivers".

It said that built up areas and the transport network are at "greater risk" with potential for flooding of low-lying land, roads, properties and disruption to travel throughout the day.

A pinch point on the impact on travel could come particularly around the Friday morning rush hour.

READ MORE: Glasgow to Edinburgh train line shutdown is lifted in time for rush hour

Heavy and thundery showers were likely to develop in the area throughout Saturday although not all places within the alert area will see them.

"Where these do occur this may lead to further localised flooding from surface water and smaller rivers. Built up areas and the transport network are at greater risk," said SEPA.

It comes as it was anounced on Friday morning that the Glasgow to Edinburgh train line is now up and running in time for the rush hour after being brought to a standstill yesterday by floods, causing disruption to more than 150 services.