Wednesday, November 28
There is a Low Pressure System north of the Great Lakes Region with an associated cold front that is stretched SW and into the Midwest U.S. Otherwise, an extensive ridge of High Pressure is anchored over much of the Eastern half of the nation.
For a look into the tropics, follow the link below to the Hurricane Blog.
A cool surface high continues to build South and across SE TX & LA, this morning. Cloud cover has been kept to a minimum all day long and will stay low throughout the overnight hours, tonight. This will set us up for another round of radiational cooling.
Radiational cooling is when already cold temperatures are combined with light winds and cloudless skies. Clouds normally act like a blanket and trap escaping heat close to the surface. Little to know wind reduces friction on the surface as well. These two events (or lack there of) allow overnight lows to fall even further. The Earth naturally loses heat overnight and with the given set up, even more heat escapes into the upper atmosphere.
A developing, weak
For the rest of the day,
Expect Clear skies with a pleasant feel. Winds will be light and variable and we will have seasonable temperatures.
Overnight, we will see temperatures drop way down, into the 30's again with little to no cloud cover and a light wind.
For the rest of the 7day planner
This deep ridge of high pressure will move out overnight on Thursday. Then a weak piece of energy will move across the area, aloft and bring chances for isolated rain Friday and Saturday. The beginning of the work week will bring with it, gradually increasing rain chances and a front next Tuesday.
TODAY...Sunny skies and a cool start, becoming seasonal. Highs 59-67. NE wind 5-120 mph.
NIGHT...Clear and cold again with a light freeze at some locations. Lows 31-38.
Little or no wind.
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