On 22 Jan, 11:33, RCO wrote:

"15th =3F 21st January
Weather
Heavy snow. Strong, at times gale force winds, easterly turning northeasterly
and becoming breezy. Exceptionally cold, at times not above -5oC, later in the
period even -20oC.
Confidence level A=85%."

Although he will defend that he's moved the window forward a few days
in his forecast update. He claims to have all this long lead-time
success and then feels free to shift the windows at short range to
suit his forecast willy-nilly. How can you claim accuracy at long
range when you're making short-period changes? Delusional.

Richard