With the current humid air mass now in place, heat indices are certainly in the mid to upper 90s...something we DID NOT encounter during all of August if you hung around KMDT! Tomorrow might be a few degrees warmer. Note the mid 90s just west of "Bean-town"! Those New Englanders won't know what hit 'em!
But relief is on the way in the form of a rather potent cold front...here are the Euro's interpretation of the 850 mb temps Thursday pm...
In fact, the GFS paints a 2.5 -3.0 Standard Deviation below norms for Saturday! Quite a cool shot for this time of year! If going to PSU, expect instability showers and lots of stratocumulus to make this mid September day more like late October!
Announcing the arrival of the front will be some rather potent storms as per the NAM. Here is the line of storms; however, I feel the line will be even more intense as depicted by this regional model. I don't have the time to show you all of the modeling and the intense upward motion thanks to the forcing of the steep lapse rates and the intrusion of the much drier air at ALL levels...so I'll spare you the dissertation about autumnal severe wx threats...but be aware, just keep an eye to the NW sky Thursday...
By the way, the 850 mb temps for noon Saturday in central and northern PA are BELOW FREEZING! Go one mile up and temps will be in the 20s! Wow! That reason alone is concern for severe wx for Thursday!
Thus, if you enjoy heat and humidity, take it all in today and Wednesday! You might not see this again until May or June of 2014 around KMDT. Oh, we will get warm again this fall, but not like this...
We are +20F from yesterday; Saturday we will have trouble touching 65F!
OK...enough said for today! Being that it is so warm and humid, I think I leave y'all with this Rolling Stone #13 all-time fav for summertime dittys...As described by Rolling Stone Magazine below...
One of the signature soft-rock groups of the early Seventies, Jim Seals and Dash Crofts were childhood buddies from Texas who moved to California and had a huge hit with this sublimely mellow, CSN&Y-style ode to lazy, June-time domesticity. "Summer Breeze" rolled through the jasmine of America's mind in 1972, with an innocent melody played on a toy piano.
Enjoy!
By the way, don't sell the Giants short in "Manning Bowl III" this Sunday...just sayin'...
Enjoy your mid-week...
Smitty
AA: Hot Wednesday, stormy Thursday, interesting time for Friday night lights, downright fall-like for Saturday, NFL Sunday.
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