Monday, December 20, 2010

Monday forecast for December 20, 2010

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Today: High of 60 with becoming cloudy; partly cloudy by the afternoon; south winds at 10mph

Tonight: Low of 50 and mostly cloudy, south winds at 10 to 15mph





~Jackson, MS


Currently
A good Monday to you all and I hope the weekend was pleasant for you. The road was filled with Christmas shoppers this weekend and it made traveling around town very difficult. Parking was hard to find and lines at stores made it hard to get into the Christmas mood for some. However, there was nothing to complain about concerning weather this weekend as highs were in the lower to mid 50s throughout both days with lots of sunshine and clear skies to help your day out. Even now there is still nothing but blue skies out with a hint of cirrus clouds to decorate the sky. The sun is shining beautifully and temperatures are slowly rising out from the present temperatures of the 40s. Also, these warm temperatures will continue to rise throughout this week as well and we'll have a bit of a warming trend starting today.

What's Happening Atmospherically
High pressure was the main element to having such wonderful conditions this weekend, and we still have this high pressure here which is now located more toward to the east. Temperatures will approach the mid 50s today as a result of the high pressure and a bit of warm air advection that will increase throughtout the MS, LA, and AR regions later this afternoon. Also, we will not entirely go the whole day being clear as we will have an increase in clouds through afternoon making for scattered or broken clouds coverage. The increase in cloud coverage is due to low level return flow and I stated last time what return flow is. It is define as a fast flow of warm and moist air from the Gulf of Mexico after a period of drier and cooler weather. Currently, that is the reason for the stratus deck of clouds we have right now in the Delta to the west of us. As we head into the overnight hours, we will be mostly cloudy which doesn't allow for much radiational cooling. Radiational cooling is the process by which temperatures cool rather quickly or rapidly overnight especially with the absence of clouds.

Today will be warm, but Tuesday will be even warmer. On Tuesday, temperatures will be 10-12 degrees above normal due to another warm front that will sweep the MS area. We'll definitely see warmer temperatures but also humid and moist conditions as our next chance of rain will accompany this warm front. We'll only have isolated showers that will pass through, so I don't expect a drencher for Tuesday. Both the NAM/GFS has most of the rain position mostly in north MS with the GFS calling for rain also further south into the Jackson area. I am really not expecting much but perhaps a few sprinkles or light showers from the isolated showers that we do have.

Today
Warm and plenty of sunshine as temperatures will rise to the mid to upper 50s today. An increase in clouds starting this afternoon, so becoming partly cloudy with winds from the south at 10-15mph.

Tonight
By overnight, we will see more clouds in the sky as temperatures won't drop very much. Lows will be in the upper 40s with winds from the south still at 10-15mph.

Tuesday's outlook
The warming trend continues for tomorrow as temperatures will have no problem in getting to the 60s bearing a setback. We do have a chance for rain in the Jackson area, but the probability is low.
Looking ahead to Christmas Day on Saturday, don't expect for temperatures to be quite as warm as there will be some changes coming up later this week. This has been your Face of the Sky forecast and I hope you have a great Monday! God Bless!

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