Monday, October 21, 2019


Monday Night - Mostly cloudy. Low: 42-46

Tuesday - Partly Cloudy. High: 54-58
Tuesday Night - Partly Cloudy. Low: 38-42

Wednesday - Clouds building in. High: 64-68
Thursday - Mostly Cloudy. High: 50-54

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We will see clouds building in overnight Monday, resulting in partly cloudy skies on Tuesday with temperatures in the mid to upper 50's. It will stay partly cloudy Tuesday night, and we will continue to have lows in the lower 40's. On Wednesday, we will see clouds building in over the afternoon with temperatures in the upper 60's, and those clouds will remain in the area as we head into Thursday where temperatures will drop into the lower 50's.
Forecasters: Heaven, Travis, Munley, Hatch
Issued:  5:00 p.m. ; October 21,  2019

Technical Discussion (The nerdy stuff we are discussing in class!)
Given current model guidance, the 12Z GFS will be used, along with 15Z SREF plumes for temperature forecasting. 

Surface analysis currently indicates tightly packed MSLP contours, along with perpendicular contours of thickni,  leading to high winds and strong CAA.  Columbia will continue to cool down even more through Tuesday, however the low on Monday will be rather warm, as we will be under wrap-around cloud cover overnight.  The high on Tuesday will be fairly low once again, with partly cloudy skies keeping some insolation from warming Columbia.  The area will be under the influence of the 540 Thickness contour.  Temperatures be quite cool on Tuesday night, before WAA begins early Wednesday morning.  This WAA will ramp up quickly, with temperatures being 10 degrees higher than they were Tuesday.  Clouds will build through the day ahead of another cold front.  This cold front will pass late Wednesday into Thursday, with currently frontal passage expected around midnight.  Thursday will once again see the 540 line pass over Columbia. 

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