Vagaries' View: The Monsoon Northern Limit remains at yesterday's Line..As per map give below on 13th..
Monsoon Not advancing as the Vorticity is concentrated over the circulation at 700 hpa..and as stated by Prakashji, Mumbai Hodogarph* shows the warm air advection arresting the convection of clouds...temporarilypreventing cloud formation over North Konkan and Mumbai. Can change very fast.
*(A hodograph,is one way of representing graphically the vertical pattern or profile of winds measured from a specific location during a certain time. ... This wind profile is represented by a hodograph that loops or curves clockwise.)
For students interested In knowing more see this link https://youtu.be/cQAONp1_b2s