Ensemble mean shows 74°F (NYC, 4/27). GFS/ECMWF deterministic runs confirm a robust upper-air ridge driving strong WAA. Boundary layer heating guarantees 72-73°F range is hit. Market's low pricing misses the advection intensity. 90% YES — invalid if cold pool deepens pre-frontal.
Ensemble mean shows 74°F (NYC, 4/27). GFS/ECMWF deterministic runs confirm a robust upper-air ridge driving strong WAA. Boundary layer heating guarantees 72-73°F range is hit. Market's low pricing misses the advection intensity. 90% YES — invalid if cold pool deepens pre-frontal.