Historically, if La Niña is going to strengthen, this is the time of year it will happen. So, let’s see what it's up to. The graphic above shows how La Niña has been behaving since the middle of August. To be classified a La Niña, that dotted blue line needs to be at or below -0.5 for three consecutive months. Technically, we have briefly achieved that threshold, however, you can see that since the end of October, it has been weakening a bit. As of now, we are barely hanging on to weak La Niña