That’s silly because up to 360 hours is intensely presented and discussed here
Models don’t predict weather but rather give examples of possible outcomes keeping in mind to cover as many bases as possible.
Many of the alphabet indexes that have become popular in last 10 years I find unproven. The Enso and NAO and AO have stopped being as reliable as they were thru about 2012. Pacific was important but no where near as dominant as now.
Since models really never did much beyond 3-5 days when times were Good and in this changing, unpredictable environment, they are in even more trouble.