VALID FOR 27-10-2013

A powerful trough sitting N of UK with a frontal system moving into central Europe. A new intense cyclogenesis takes place on its SW flank later in the period towards Monday and moves towards the UK.

A MDT+ risk has been issued for E Atlantic into parts of S UK and NW France with threat for tornadoes, severe winds and heavy rain.

A SLGT+ risk has been issued for E France, S Germany, W Czech Republic into N Switzerland and N Austria with threat for heavy rain, severe winds and tornadoes.

A SLGT risk has been issued for surrounding areas of MDT+ risk area with threat for strong to severe winds and some tornado threat.