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Cold front gives the cold shoulder for Valentines Day

9 months 3 weeks 1 day ago February 12, 2016 Feb 12, 2016 Friday, February 12 2016 February 12, 2016 6:07 AM in Weather
Source: WBRZ Weather

The 70s will be in retreat as a cold front sends temperatures closer to average over the weekend.

 

THE FORECAST:

 

Today and Tonight: Another warm afternoon is ahead. Temperatures will reach for the low 70s. Winds will be out of the west-southwest at 5-10mph. Early fog will give way to sun and a few clouds as a weak cold front moves into the region. Overnight will be mostly clear with a lows responding to that frontal passage and falling into the mid 40s.

 

What’s Ahead? Sunshine is expected into Saturday Afternoon which will be 10-15 degrees cooler. Highs won’t be far from normal for the time of year, ending up in the low 60s. Sunday will remain dry but likely start off much cooler with lows in the upper 30s before highs return to the low 60s. Also, early morning sun will give way to afternoon clouds ahead of rain showers that are pegged for Monday.

THE SCIENCE: 

Forecast Discussion: Surface high is set up in the Gulf of Mexico sending southwesterly wind into the region. A deep Eastern U.S. trough will send a backdoor cold front into the region on Friday Afternoon and Evening, only providing the proverbial “glancing blow” of colder air. A few clouds may develop along and ahead of the front but the atmosphere will remain too dry for rain. Temperatures will lag in responding to the cool air behind the front until Saturday Morning. Lows will be in the upper 40s with cold air advection from northeasterly surface winds holding highs around 60 degrees. A strong surface high will move from the Great Lakes to Mid-Atlantic on Sunday and winds will become easterly and eventually southeasterly. Return flow will turn a cold morning into a seasonable afternoon. Some moisture creeping into the low levels could help spur some afternoon cloud cover as well. A shortwave on the backside of the eastern trough will then move a surface low and the associated front into the region on Monday. At this time, there is no signal for severe weather or even heavy rain, but the area should register precipitation for the first time in 11 days. The cold pool with this shortwave is rather shallow and the trailing high pressure is of Pacific origin so it will not turn much colder behind this system. In fact, westerly winds, returning sun and a ridge building into the Mid-South all point toward above average temperatures next Thursday and Friday.    

 

--Josh 

Twitter: @Josh_Eachus
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