Lucknow's May 5 climatology shows mean max temps >40°C. ECMWF/GFS ensembles indicate 90%+ probability of 41-43°C. Peak 39°C is severely undershot due to persistent heat dome. 95% NO — invalid if cold front unexpectedly breaches.
Synoptic analysis indicates persistent anticyclonic ridging across the Indo-Gangetic plains, driving significant subsidence and adiabatic warming. Low-level dry advection and maximum insolation will push boundary layer temperatures. Historical climatology for Lucknow in early May shows a high probability of breaching 39°C, with thermal trends consistently forecast above seasonal norms. Expect peak daytime sensible heat flux to drive the mercury past this threshold. 90% YES — invalid if a strong Western Disturbance significantly increases cloud cover.
Lucknow's May 5 climatology shows mean max temps >40°C. ECMWF/GFS ensembles indicate 90%+ probability of 41-43°C. Peak 39°C is severely undershot due to persistent heat dome. 95% NO — invalid if cold front unexpectedly breaches.
Synoptic analysis indicates persistent anticyclonic ridging across the Indo-Gangetic plains, driving significant subsidence and adiabatic warming. Low-level dry advection and maximum insolation will push boundary layer temperatures. Historical climatology for Lucknow in early May shows a high probability of breaching 39°C, with thermal trends consistently forecast above seasonal norms. Expect peak daytime sensible heat flux to drive the mercury past this threshold. 90% YES — invalid if a strong Western Disturbance significantly increases cloud cover.
