Nicola Maxey added: "Friday night and through Saturday could see heavy rain as a
rain band moves south-east from the North-West to the Midlands, reaching the South-East later on Sunday."
With a massive
rain band 900 kilometers (560 miles) wide,
"Sometimes bright on Wednesday, but with a weakening
rain band arriving for a time."
The spokesman said: "Quite the contrast to Saturday with a frontal
rain band extending eastwards to affect most parts of the country.
We've not had much today and it's due to be largely dry tomorrow, but there's a
rain band on Wednesday.
"Tomorrow, we will see outbreaks of rain as the
rain band will be pushed further north.
There is some uncertainty over the exact position and intensity of the
rain band, so the alert will be kept under review and updated as necessary.
"Lando" had weakened into a tropical storm and moved into the South China Sea this morning, but its huge
rain band ensured downpours across swathes of the sodden north where tens of thousands of people were displaced.
Within the general
rain band are vigorous storms, which track west.
"Much cooler air arrives on Saturday after the
rain band - and it gets cooler as the weekend goes on.
When University of Washington scientists examined precipitation records from 1930 to 1990, they found that over that period, the tropical
rain band moved southwards.
Typhoon Bopha slammed into the Davao region at dawn, its ferocious winds ripping roofs from homes and its 500-kilometer- (311-mile-) wide
rain band flooding low-lying farmland.