Winter Forecast Cold, Snowy, Massive Northern Hemisphere Winter Looms Because La Niña returns 08/22/2011 admin WUWT is saying that La Nina is back already! Temperatures have dropped significantly below the -0.5 deg C threshold of a La Niña and are presently at -0.74 deg C. Forecast charts take it much colder very soon. La Niña returns | Watts Up With That? Share this:Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Tumblr (Opens in new window)