In reality, of course, the trending/teasing is purely due to the poor model performance/stupidity of the models as it is already set in stone from the start what will happen.
Related to this from Maxar this morning, ALL models recently have been solidly cold biased: check out these ridiculously large misses too cold for the SAME day:
“Models Missing Too Cold Of Late
The models have been biased too cold of late, and yesterday is an example of our forecast missing too cold. Temperatures peaked at 50° in Minneapolis (forecast was 44°), 59° in Chicago (forecast was 51°), 71° in St. Louis (forecast was 66°), 65° in Atlanta (forecast was 60°) and 53° in New York-LGA (forecast was 50°). The table on left highlights the average temperature biases over the past 15 days during the 1-5 Day period. All models have been too cold..”