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E PA/NJ/DE Summer 2026 Obs/Discussion


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1 hour ago, LVblizzard said:

Here comes the humidity. It was comfortable here 2 hours ago…not so much now. Hopefully we get some rain later to cool us down.

This will be my last full week in the Lehigh Valley for awhile - possibly ever? I’m moving to Denver in a week and a half because it’s somewhere I’ve always wanted to live and I’m now in a position to give it a try. It gets hot out there sometimes but it’s a dry heat. “Humid” there is a DP of 60. It’s going to be quite the adjustment but I’m looking forward to living in a place with such volatile weather.

All the best to you out in Denver! 

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2 hours ago, LVblizzard said:

Here comes the humidity. It was comfortable here 2 hours ago…not so much now. Hopefully we get some rain later to cool us down.

This will be my last full week in the Lehigh Valley for awhile - possibly ever? I’m moving to Denver in a week and a half because it’s somewhere I’ve always wanted to live and I’m now in a position to give it a try. It gets hot out there sometimes but it’s a dry heat. “Humid” there is a DP of 60. It’s going to be quite the adjustment but I’m looking forward to living in a place with such volatile weather.

Hope you’re cashing in when we’re under some SE pig ridge/-pna from hell regime!

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2 hours ago, LVblizzard said:

Here comes the humidity. It was comfortable here 2 hours ago…not so much now. Hopefully we get some rain later to cool us down.

This will be my last full week in the Lehigh Valley for awhile - possibly ever? I’m moving to Denver in a week and a half because it’s somewhere I’ve always wanted to live and I’m now in a position to give it a try. It gets hot out there sometimes but it’s a dry heat. “Humid” there is a DP of 60. It’s going to be quite the adjustment but I’m looking forward to living in a place with such volatile weather.

are you continuing your facebook /website too?

 

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3 hours ago, LVblizzard said:

Here comes the humidity. It was comfortable here 2 hours ago…not so much now. Hopefully we get some rain later to cool us down.

This will be my last full week in the Lehigh Valley for awhile - possibly ever? I’m moving to Denver in a week and a half because it’s somewhere I’ve always wanted to live and I’m now in a position to give it a try. It gets hot out there sometimes but it’s a dry heat. “Humid” there is a DP of 60. It’s going to be quite the adjustment but I’m looking forward to living in a place with such volatile weather.

Enjoy!  I want to see pictures of October and April snowfalls, and maybe some tornadoes, too!   

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7 hours ago, BBasile said:

Enjoy!  I want to see pictures of October and April snowfalls, and maybe some tornadoes, too!   

I will definitely be doing some chasing out there! It’s actually a big part of why I’m moving, so I can be a short drive from the plains of eastern CO. They get some nasty supercells out there and a decent amount of tornadoes.

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4 hours ago, LVblizzard said:

I will definitely be doing some chasing out there! It’s actually a big part of why I’m moving, so I can be a short drive from the plains of eastern CO. They get some nasty supercells out there and a decent amount of tornadoes.

You're going to love it out there. Wide open spaces to your east, mountains to your west. I loved my time living just north of Denver in Wyoming, the high plains chasing is unmatched! I am also set to be moving back west in less than 2 months to join the NWS at one of the offices out there. 

 

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We have had quite a wet start to August with most spots seeing between 1.8" to around 3 inches of rain over the last 5 days. Some additional shower chances are possible later today and again on Friday night. We should finally dry out by Sunday. Early next week it starts hot with a chance for some of our valley locations to possibly reach 90 degrees both Monday and Tuesday. Could those be the last chances of a 90-degree reading till next spring?

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I think you're seeing a very real mesoscale pattern that's been repeating this summer for the LV happening again.

The Pennsylvania Turnpike has almost acted like a dividing line on many convective days. Storm complexes have repeatedly tracked from southwest to northeast across Lancaster, Chester, southern Berks, Montgomery, and Philadelphia counties, while much of the Lehigh Valley has ended up on the northern edge of the heavier precipitation shield. That's left areas south of the Turnpike with repeated 1–3 inch downpours while parts of the Lehigh Valley have watched storms either weaken or split apart before arriving.

From a meteorological standpoint, several things can contribute:

  • Storms have been following a persistent southwest-to-northeast steering flow.
  • The heaviest instability has often remained just south of the Lehigh Valley.
  • Outflow boundaries from earlier storms have repeatedly focused new thunderstorm development farther south.
  • Small shifts of only 20–40 miles in the storm track can mean one county receives 3 inches while the next gets almost nothing.

My observation about "after a good agricultural saving rain last week—zilch the last three days" is exactly how this pattern behaves. One widespread soaking rain doesn't necessarily end the drought problem if subsequent thunderstorms keep missing the area. Lehigh County still has a significant portion of the population affected by drought or abnormally dry conditions despite recent rainfall.

If this continues another week or two, you'll likely start seeing:

  • corn and soybean stress on lighter soils,
  • reduced stream base flows,
  • increased irrigation demand, and
  • a growing contrast between southern Pennsylvania and the Lehigh Valley in rainfall totals.

Sometimes it feels like the "7–10 split" has become almost a standing feature this summer, even though it's really the repeated positioning of storm tracks rather than a fixed weather boundary. It only takes a slight shift in the upper-level flow for the Lehigh Valley to suddenly become the target instead of Lancaster and Philadelphia. I hope this happens soon.

 
 
 
 
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