News
02/14/2023, 2:57 pm EST

Sharp Cold Front into Argentina Thursday Triggers Thunderstorms Then Cooler Temperatures in Drought Area

Torrid heat and dryness is about end in Argentina as a strong cold front arrives Thursday triggering a few heavy thunderstorms and causing a surge of much cooler weather to shift north into Southern Brazil. Much cooler air across the Argentina drought region follows. Most of the rain associated with the front is across Southwest Brazil. Hot weather and dryness will regenerate in Argentina in the 6-10-day period.
02/09/2023, 9:07 am EST

La Nina Dissipates Over Next 1-3 months; El Nino Onset by Mid-2023

The Madden Julian oscillation (MJO) is forecast to shift eastward across the equatorial Pacific Ocean during the next 2 weeks. Following passage of the MJO, equatorial wind shifts to west or southwest and eliminates trade winds. The lack of trade winds eliminates the up-welling process that sustains La Nina. Oceanic La Nina 2020-23 likely dissipates by March 1st.
02/08/2023, 2:49 pm EST

Solar Cycle 25 Sunspot Activity Well Ahead of Forecast

The January 2023 sunspot number was 143, well over the already adjusted forecasts. Observational implications are that solar cycle 25 will continue to progress at much higher sunspot number rates than forecast ultimately cresting at values similar to, or higher than the last stronger solar cycle maxima (number 23) observed around 2000.