Ntxw wrote:Barring some kind of monstrous heat wave this week, February for DFW is 34.6F so far for the monthly average. It is going to be the first sub 40F month since December 2000. I like to use that as a metric for an exceptionally cold month. Even the cold winters of 09-10 and 13-14 did not feature such a month.
Of modern history here are the few months that have achieved such a status. Some elite winters. One subtle common theme, except for the late 70s..they are more likely to occur in a...La Nina than El Nino. Often accompanied by a severe -EPO or -AO.
One thing is certain, all of the 0F (there are only 5 including this year) or lower readings have occurred on years exclusive to this list.
Edit: 2021 is also joins 1899, 1918, and 1989 with 2 top 10 lowest temperature readings on record. -2F and 4F.
This will be an elite month when it comes to cold but the Southern Plains were already busting a lot of winter outlooks before this cold snap put the nail in the coffin of the warm & dry Southern Plains winter forecast.