18z HRRR forecast of reflectivity valid at 21z.

Reflectivity from KAMX radar valid at 1936z

Pretty impressive forecast from the 18z #HRRR this afternoon nicely depicting how the multi-cellular convection would congeal in a west-to-east band over #Miami metro.

Flood Advisory is out for the area where 3-5" of rainfall has already fallen this afternoon. #MIAwx #FLwx