Technical Discussion: clouds slowly depart - Live5News.com | Charleston, SC | News, Weather, Sports

4:44 PM Update.  The clouds have hung tough, just as we thought.  Over the next 5-8 hours, the clouds should dissipate quite a bit, with partly to mostly clear skies by dawn.  With readings now in the 70s and the likelihood of clearing, we're in a good position for a cool night, with lows in the 50s – even a few upper 40s in the usual cool spots.  The latest model data for tomorrow suggests more clouds than previously thought, so our clear morning will evolve into an afternoon of sunshine and periods of cloudiness.  There may even be a stray sprinkle out of one or two of those clouds.  We still think there will be enough sun for some towns to have highs near 80 degrees.


**Previous Discussion**


Although the sky will be mainly cloudy through the day, they will have a tendency to brighten gradually this weekend as high pressure builds southward across New England.  Clouds will mix with some partial sunshine Saturday and temperatures will peak in the mid to upper 70s.  A few spot showers can't be ruled out, but most of the day will be dry.  Humidity levels will be fairly low so if you plan on going to the Brooklyn Fair you will enjoy some very comfortable weather!  The sky will become totally clear Saturday night and the mercury will dip into the 50s in most locations.  Great sleeping weather for sure!  Sunday will start out sunny then some clouds will mix in during the warmth of the day.  Actually, Sunday will be comfortably warm with low humidity and highs near 80 degrees.


High pressure will be in no hurry to leave next week.  That means we'll be treated to generally clear conditions through Wednesday and perhaps evening longer!  However, some heat will be heading our way as the atmosphere warms from top to bottom!  Temperatures will rise higher into the 80s with each passing day and the warming trend should peak with highs near 90 both Wednesday and Thursday. The highest temperature so far this month is 89 degrees and that occurred on August 5th.  The last time we had a day in the 90s (90 or higher) was all the way back on July 23rd when the high was 93 degrees at Bradley International.


A cold front will come along to cool things off by the end of the week.  Showers are possible from late Thursday into early Friday morning.  There is hardly any rain in the forecast until then.  Beyond Thursday and Friday, the forecast becomes complicated.  The latest run of the GFS brings the cold front through cleanly by Friday morning with high pressure to follow for the Labor Day Weekend.  If that scenario pans out, the holiday weekend would be very nice from beginning to end.  However, if the front stalls closer to Southern New England, we could see showers at some point over the weekend.  We will keep you updated!


We are also keeping an eye on a tropical disturbance that is causing heavy rain over Puerto Rico and Hispaniola.  This system could develop into a tropical depression or a tropical storm once it emerges over the warm water surrounding the Bahamas.  The next name on the list is Cristobal.  Right now, this system does not appear to be a threat to the United States Mainland.  Both the GFS and the European model track this storm harmlessly out to sea to the east of New England next week.




Have a terrific weekend!



Meteorologist Mike Cameron and Chief Meteorologist Bruce DePrest


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