The Briefing:
- Peru's NUNA supercomputer — a Lenovo-built cluster named for the Quechua word for "soul" — runs 6,336 CPU cores and 4,800 terabytes of storage to simultaneously model atmospheric, climate, and hydrological data, making it the country's largest high-performance computing system for weather science.
- The system compressed climate scenario generation from two years to six months, giving disaster planners and regional governments lead time they have never had before, and a river flood monitoring expansion from 11,000 to 33,000 segments is now underway.
- NOAA places the probability of El Niño reaching "very strong" intensity at more than 90% this fall and winter. The World Meteorological Organization has warned of a potential Pacific surface temperature anomaly of up to 3.8°C between November 2026 and January 2027 — a figure that would exceed any reading in the historical record.
