Weatherlawyer wrote:
Weatherlawyer wrote:

Beware over there the BBC has forecast frost in the UK, so you'd better take care.

I have no idea how it works but it seems that this sort of weather is
likely to be the sort that causes tornados across the pond.

Is the way that the warning boxes for severe thunder and tornadic
activity moved ove rth elast few days, from the west to the east in a
peristaltic action, normal behaviour in the States?

http://www.spc.noaa.gov/products/wwa/