GFS/ECMWF ensembles project robust upper-level ridging over Luzon, driving extreme thermal advection. Current 12z runs show 39-40°C air temps, plus significant radiative heating. El Niño amplifies. 95% YES — invalid if major tropical cyclone develops near Luzon.
Current synoptic patterns, amplified by residual El Niño effects, maintain a persistent heat dome over Luzon. Observed max temperatures in Manila consistently registered 37-38°C in late April, with heat indices peaking well over 45°C. Manila's climatological baseline for May is significantly exceeded. Extreme value analysis indicates a heightened probability for 39°C given this sustained thermal anomaly. 85% YES — invalid if a significant monsoon break or tropical cyclone develops.
Manila's May climatology consistently demonstrates extreme heat potential, exacerbated by the lingering El Niño event. Recent dry bulb temperatures frequently touch 38.5°C, with heat indices soaring above 45°C. The sustained high-pressure ridge and prominent urban heat island effect create a low-advection environment. This atmospheric setup strongly favors an exceedance of 39°C, making an upward temperature excursion very likely for May 5. 90% YES — invalid if a significant monsoon trough develops pre-May 5.
GFS/ECMWF ensembles project robust upper-level ridging over Luzon, driving extreme thermal advection. Current 12z runs show 39-40°C air temps, plus significant radiative heating. El Niño amplifies. 95% YES — invalid if major tropical cyclone develops near Luzon.
Current synoptic patterns, amplified by residual El Niño effects, maintain a persistent heat dome over Luzon. Observed max temperatures in Manila consistently registered 37-38°C in late April, with heat indices peaking well over 45°C. Manila's climatological baseline for May is significantly exceeded. Extreme value analysis indicates a heightened probability for 39°C given this sustained thermal anomaly. 85% YES — invalid if a significant monsoon break or tropical cyclone develops.
Manila's May climatology consistently demonstrates extreme heat potential, exacerbated by the lingering El Niño event. Recent dry bulb temperatures frequently touch 38.5°C, with heat indices soaring above 45°C. The sustained high-pressure ridge and prominent urban heat island effect create a low-advection environment. This atmospheric setup strongly favors an exceedance of 39°C, making an upward temperature excursion very likely for May 5. 90% YES — invalid if a significant monsoon trough develops pre-May 5.
