Alagasco Seven Day Forecast
Saturday afternoon, March 8, 2014
Forecaster: Bill Murray
The river of air flowing above our heads on this early March Saturday is flowing fast from west to east. Earlier, it was filled with some altostratus clouds that are making for an almost pearly sky. They were probably made up of ice crystals since temperatures where they are residing today (about 17,000 feet) are well below 32F. Altostratus often produce virga, or precipitation that that evaporates before it reaches the ground, but not today. By lunchtime, just some low stratocumulus clouds were left, allowing for an ample supply of sunshine. You will see patches of those mid to high level clouds at times this afternoon in the fast flow aloft.
NICE TEMPS: Temperatures today are going to make a solid run at 70F with a strong late winter sun warming the low levels of the atmosphere. Lows tonight will generally be in the middle and upper 40s.
SPRING FORWARD: Don’t forget that we go back on Daylight Saving Time tonight. Set your clocks ahead one hour before you go to bed tonight… we lose an hour of sleep, but gain an hour of evening daylight. The sunset Sunday will come at 6:50p CDT.
SUNDAY SHOWERS: An approaching disturbance will have already increased your clouds by tomorrow morning and it might manage to squeeze out a couple of showers, mainly during the late morning hours. Highs tomorrow should stop just short of those of today, likely coming to rest in the upper 60s.
MONDAY TO MIDWEEK: Monday looks dry, Tuesday may feature some showers and Wednesday will feature some lingering showers and a change to colder. At least it will be warm Monday and Tuesday, with highs in the lower 70s. Monday night lows should be around 50 degrees. By Tuesday, clouds will have thickened again and a few showers could show up during the day again. They will be more likely Tuesday night into Wednesday morning. Rainfall amounts will be generally light, less that one half inch. By Wednesday, as an upper level low slides across the Gulf of Mexico to our south, some wraparound moisture on the backside of the low could trigger a few leftover showers. It will turn sharply colder Wednesday night. After highs in the lower 660s, the mercury will do an about face and drop into the middle 30s. On the backside of this system, I would not be surprised to see Thursday readings hover n the 40s, but for now we will call for 50s.
FRIDAY FORECAST: Many spots will start off at or below freezing Friday morning as another cold airmass settles into the state. But with dry air and a strong late winter sun, temperatures will warm into the 60s.
WEEKEND SNEAK PEEK: Mild and mainly dry is the prevailing trend for the weekend with no rain on Saturday, but increasing chances Sunday night.
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CENTRAL ALABAMA NWA: Monday night March 17th will mark the first big meeting of the year for the local National Weather Association Chapter. If you love weather, come be a part of this fun organization that claims many of the local TV and National Weather Service meteorologists, emergency managers and weather enthusiasts as its members. You’ll come for the speaker and stay for the networking and learning. If you are not already a member, it is just $25 for the entire year. Kevin Laws from the National Weather Service Birmingham and Bob Dreisewerd from Baron Services will focus on radar as well as other research advances, and the winter storms of this year as well. Join of pay your 2014 dues here.
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ON THIS DATE IN 2010: he mercury reached 70F at Memphis and Nashville for the first time in 112 days. It was the longest such streak since the winter of 1930-1931. Follow my weather history tweets on Twitter. I am @wxhistorian at Twitter.com.