U.S. Week 2-4 Outlook: Overall, the expected very warm May is adjusted cooler especially North.
Charts of the day: GFS/ECM Ensemble temperature forecast bias past 30 days. Discussion: During April, temperature forecast bias was quite warm by the GFS ENS across the West-central and North-central U.S. (and into Canada). The ECM ENS does not have that warm bias for central North America. However, ECM ENS has a cool bias for…