"situation is worsening throughout Saturday"
Latest update:
"Following the latest information from the MET Office, NATS advises that restrictions across UK controlled airspace have been extended until at least 1900 (UK Time) today Saturday 17 April and that restrictions to Scottish and Manchester airspace have been re-applied until the same time.
Current forecasts show that the situation is worsening throughout Saturday. We are continuing to look for windows of opportunity to handle individual flights in UK controlled airspace."