Train, Train

I'm up early this Saturday morning thanks to a train!  But not what most think of when they hear the word "train".  I'm talking about training cells of convection!  The rain has been pounding down for a few hours here at my humble abode and has awakened me from a deep slumber.  The sound of large drops striking our sunroom's glass is actually quite loud.  Hence, my awakening!  Of course, I scoped the radar and from there, here I sit studying the weather...again!  Here is how training showers depict on a computer model for precip output...note the train is a'rollin from West-by-God-smile-when-you say-it-Virginia to New York City...

But by the time when many of you peruse this, the train will be long gone!  And a glorious air mass from our neighbors to the north will be invading our country.  The strongest part of the anomalous cooling will be to our west; however, we here in PA will benefit with cooler and much drier air for the next several days.  Note the below normal temps in the Dakotas, MN, and WI for Saturday...

By Tuesday, the coolest of the summer temps will arrive here in PA...take a look...

Not only is it cool, the air will be very dry!  Here is a map I seldom show; precipitable water in a column of air.  This is a metric of essentially how much water could be squeezed out of the air if all of the moisture was to precipitate out.  In the winter, PW is quite low; in the summer, it has the potential to be quite high, especially in the tropical air masses.  Look at how low the PWats are for Wednesday am...but also note the stream of moisture advecting northward from the western Gulf to Lake Winnepeg!

So by next weekend, the heat and humidity both return to us here in PA...

 

In fact, the map above shows the warmth returning by Thursday!  And by next Saturday...well...here ya go...back in the "yuckies, muckies, and stickies"...note the anomalous humidity as per the "PWats" training directly over our lovely commonwealth!  Also note the 2 areas the model believes storms will be likely; just west of my son in STL and over God's Country in northern PA.  (Might be some blown out streams Goldy next weekend...?!)

 

As for July...here is a quick look as per the CFSv2...but don't get too excited as this is the first time it has shown such a "cool" signal to the middle part of the country into the east...too much to show, but the last several runs of the climate model was showing widespread warmth across the CONUS...but is that surprising?  Even the modeling has a warm bias in these politically charged times of global warming!  Ha!

OK...enough!  I need another coffee with my MCT.  Now, some of you might be wondering...probably not...but MCT?  Medium Chain Triglyceride...another story for another day!  Enjoy your weekend and the the invading train of cool to roll through our state this upcoming week!

And enjoy this throwback to when I was a kid!

Smitty

AA:  After the overnight rain that brought up to two inches in some parts of our area, a much drier and cooler air mass will pay us a visit for the next 5 days!  Highs in the upper 70s to low 80s with lows in the mid 50s!  I think Wed am, there will be temps in the 40s in south central PA!  But not at KMDT as that is the official reporting station and we wouldn't want such cool temps being officially recorded!  Good mowing and landscaping weather to be sure!  And Yokes...good paver laying as well!