Not every forecast is the anywhere near the same in terms of predictability + difficulty, this one coming up in the first half of February is a high confidence forecast (some like me would argue a slam dunk) relative to the lead time given the alignment of many factors all consistently pointing towards one general outcome (-PNA/SE ridge). In many cases (actually a majority of the time out to week 3-4 over the CONUS) you can forecast w/ skill above climatology out to a month in advance (or better than coin flip odds), as the Subx subseasonal forecasting experiment has proven using bias corrected multi-model ensemble means. Operational models hold very little-no value after several days, while ensembles can be over damped (clustering is important!). Most people who don't grasp the intrinsic value of multi-model ensembles and the basics of subseasonal dynamics + how they interact with weather & climate aren't able to see these sorts of things & just assume every forecast is bad because it's "x" number of days out.
You simply can't look at this time period the same way you would an operational short-medium range forecast. You always have to think bigger, broader picture & how certain phenomena may interact with either climate variability (like ENSO) or potentially influence the probability distribution of
planetary waves in certain times of the forecast period & how those planetary waves will self-evolve + interact with momentum sources & sinks.
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