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December 18, 2023 December 18, 2023 December 18, 2023 December 18, 2023
Cold air needed
https://ticker.mesonet.org/archive/20231218/7day-rain-forecast.png
Pshaw! And I don't pshaw you lightly, either. I spent over a month trying to jinx
us into a white Christmas and while I got the moisture working, I lacked the
jinxification to get any cold air to go along with it. The above rainfall starts
Thursday and continues off an on through Christmas Morning (the forecast STOPS
Christmas Morning, but the rainfall doesn't). Alas...no cold air, no white
Christmas, at least for most of us.
https://ticker.mesonet.org/archive/20231218/nws-norman-7day-temps.png
It is a lovely southern track storm though, ain't it? It'll pound California first
and then head our way. Despite the lack of Arctic air, there just might be
enough cold air in the wrap-around of that low to generate some snow up in
NW OK, and the timing right now looks like Christmas Day, for crying out loud! This
is right on the edge of fantasy-cast territory from the European model, so keep
that in mind.
https://ticker.mesonet.org/archive/20231218/ChristmasDay.snow.png
Hey...if that low should shift south? Might bring a bit of that snow farther
south? It will require further watching that farther ahead, and if you look
up further rules on when to use farther vs. further, it'll all become clear as
mud.
But alas, I'm off all week so if I'm wrong, I was never here. Nobody else
probably is, either.
Gary McManus
State Climatologist
Oklahoma Mesonet
Oklahoma Climatological Survey
gmcmanus@mesonet.org
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