Thursday, July 21, 2011

Hot, Hot, Hot!

Just a quick update on the heat!  I've attached the 3pm obs of the area around PA.  Note the 103 F in Elmira.  Also, the 101 F in Newark, NJ.  That is the classic "hot spot" in the northeast USA.  But the 103 in Elmira, and the other 100+ readings in southern NY show you what I often talk about of the heat "coming over the top" of the ridge.  That heat will tend to migrate southward tomorrow and now I believe Friday will be the hottest day.  You know it is hot outside when I have the central air set at 80 F and it feels quite comfortable in here!  Man, it is crispy outside and we need some rain.....and it doesn't look good.
Here are 2 thermograms and their accompanying humidograms.  Please remember that when the actual air temps exceeds 100 F, the dewpoints must come down in order for the parcel of air to gain that raw kinetic energy.  It takes a tremendous amount of energy to keep water in the vapor state at normal surface air pressures, thus as the dew points lower then the air can gain more energy in terms of raw motion, i.e. heat!  I don't want to bore y'all, but this is fascinating to me.  Even though the wind "feels" good, it allows the temp to increase on days like this!  If you hang your wet towels outside today, they will dry quickly even though the air is relatively speaking, humid.  But it is so hot, hot, hot, that water just gains enough energy to jump into the air and into the vapor state.  Neat.....isn't it?

By the time I got all of this done, the 4 pm obs came out.  Check it out!  I love extreme wx!
Here is 103 F Elmira's graph and the hot spot of the northeast Newark's graph as well.
 Be careful when reading these as their axes can be confusing.
Enjoy the tunes....you might as well feel like you are in that Caribbean paradise....not that tropical PA or Madison Square Gardens, NY!  (or Elmira, NY!)
Enjoy the heat all you lovers of this heat.....it's hot!

Smitty

AA:  It's hot!  Potential record heat today and Friday.  We need to get to 101 F to tie, 102 F to break the record for KMDT!

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