11/26 VA/MD/DC Weather Outlook


THE COLDER AIR BLEW IN YESTERDAY. LOOKS SHORT LIVED AS WE HEAD FOR SEASONAL TEMPS. RAIN CHANCES TOMORROW NIGHT, A FEW DAYS OF DRY, THEN WE COULD SEE THE FIRST REAL THREAT OF A MIX IN THE NORTH AT THE START OF ANOTHER STORM. PATTERN DOES FAVOR COOL TO COLD, AND THERE WILL BE SYSTEMS TO WATCH, BUT NOTHING TOO MUCH OUT OF THE ORDINARY!

 

Summary:

Added a new family member on Monday so life has been crazy! Things panned out somewhat as I had thought this week on my forecast, but cold air damming held temps down Monday through the end of the day Wednesday. The temps fell sharply yesterday afternoon and we are in a very cold air mass today. The flow starts southerly tomorrow which will rebound our temperatures. A front comes through tomorrow night into Sunday AM and rain is possible. Sunday will see very seasonal temperatures. Next week the nation is under the influence of two important Winter Features! A Negative NAO and a positive PNA pattern. There is one other important feature that will form, the Hudson Bay Polar vortex. This tells me few things! One, if colder air can, it may spill down the eastern seaboard with a cold air damming event that may have polar air involved! Next, the Cold air will have a harder time leaving due to some blocking caused by the negative NAO and potentially sharper troughing (more energetic and heavier precip) from a positive PNA. That being said, nothing is strong, so I do not foresee, at this time, a significant winter event, but there is some potential for at least a mix of sleet and freezing rain. I will watch!

 

 

Today: Temps: SW: 50-60 SE: 53-64 N: 45-55

Cool and plenty of Sunshine!

 

Saturday: Temps: SW: 55-65 SE: 55-65 N: 50-60

Increasing clouds. Slight chance of rain, especially west, late in the day

 

Sunday: Temps: SW: 60-68 SE: 60-68 N: 55-65

Increasing sunshine with temps near Normal!

 

Monday: Temps: SW: 55-65 SE: 55-65 N: 50-63

Sunny, highs pretty close to normal!!

 

Tuesday: Temps: SW: 55-65 SE: 55-65 N: 50-60

Based on current models! Increasing clouds with a chance of rain. If we have more Cold Air Damming in place, and I am sure we will, we will need to watch what trends occur with temps.

 

Longer Term:

I am lumping the long term together! I see the chance for much cooler weather with the Negative NAO and positive PNA pattern, but right now, I think just 5-8 degrees below normal is possible after another front next Thursday.

 

All for now!

 

 

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