Evolution of negative North Atlantic oscillation inevitably leads to a cold trough on the East Coast. Coupled with expanding snow cover, the U.S. gas population weight HDD forecast trends to colder than normal for the next 2 weeks.

An ALERT is issued for an excessive heat risk centered on Argentina for much of the next 2 weeks. The peak hot day is likely Dec. 7, 2022, when 105-115F is projected across North-central Argentina.

A large region of dry soils (and drought) across the northern half of Argentina attracts anomalous heat and more dryness as meteorological summer begins and Argentina drought worsens.

Today's midday report reveals a wet 12Z GFS forecast for the central and southern Mississippi River Valley. If correct, river levels will not descend sharply as 14-day outlooks indicate at Memphis, TN and other nearby locations.