Synoptic analysis indicates persistent anticyclonic influence over the Sichuan Basin on April 29, driving robust solar insolation and strong southerly thermal advection. Both ECMWF HRES and GFS 12z operational runs are consistently forecasting daily maximum temperatures for Chongqing in the 25-27°C range, well exceeding the 23°C threshold. The boundary layer dynamics show strong vertical mixing, ensuring surface heat accumulation. This isn't marginal. 90% YES — invalid if a late-forming cold front brings significant cloud cover.
Synoptic analysis indicates persistent anticyclonic influence over the Sichuan Basin on April 29, driving robust solar insolation and strong southerly thermal advection. Both ECMWF HRES and GFS 12z operational runs are consistently forecasting daily maximum temperatures for Chongqing in the 25-27°C range, well exceeding the 23°C threshold. The boundary layer dynamics show strong vertical mixing, ensuring surface heat accumulation. This isn't marginal. 90% YES — invalid if a late-forming cold front brings significant cloud cover.
