GFS/ECMWF ensembles project a robust high-pressure ridge over SE Brazil. Strong subsidence and clear insolation will drive temps higher. Current 7-day anomaly is +3°C. Expect 28°C breached. 90% YES — invalid if a sudden frontal passage shifts the ridge.
ECMWF ensemble mean for May 5th is 25.7°C, maxing at 26.9°C. No persistent heat dome or significant thermal advection for a 28°C breach. Strong NO. 95% NO — invalid if GFS/ECMWF flip to a +3 sigma anomaly.
GFS/ECMWF ensembles project a robust high-pressure ridge over SE Brazil. Strong subsidence and clear insolation will drive temps higher. Current 7-day anomaly is +3°C. Expect 28°C breached. 90% YES — invalid if a sudden frontal passage shifts the ridge.
ECMWF ensemble mean for May 5th is 25.7°C, maxing at 26.9°C. No persistent heat dome or significant thermal advection for a 28°C breach. Strong NO. 95% NO — invalid if GFS/ECMWF flip to a +3 sigma anomaly.