As summer kicks off, much of the East Coast — including Pennsylvania — has already endured a punishing stretch of extreme temperatures, thanks to what meteorologists are calling a "heat dome." According to ABC 27 Meteorologist Dan Tomaso, the phenomenon is a classic — but intense — example of high-pressure systems trapping heat across large regions.

As summer kicks off, much of the East Coast &mdash; including Pennsylvania &mdash; has already endured a punishing stretch of extreme temperatures, thanks to what meteorologists are calling a "heat dome." According to ABC 27 Meteorologist Dan Tomaso, the phenomenon is a classic &mdash; but intense &mdash; example of high-pressure systems trapping heat across large regions.

When people come together and talk about really interesting topics, great questions spark better understanding and opportunities for new ideas to form. On The Spark from WITF, host Asia Tabb starts conversations about what’s happening in the world and at home. Share your ideas at https://witf.org/programs/the-spark.

When people come together and talk about really interesting topics, great questions spark better understanding and opportunities for new ideas to form. On The Spark from WITF, host Asia Tabb starts conversations about what&rsquo;s happening in the world and at home. Share your ideas at https://witf.org/programs/the-spark.

The Spark

When people come together and talk about really interesting topics, great questions spark better understanding and opportunities for new ideas to form. On The Spark from WITF, host Asia Tabb start the conversations about what’s happening in the world and at home. Share your ideas at https://witf.org/programs/the-spark.

When people come together and talk about really interesting topics, great questions spark better understanding and opportunities for new ideas to form. On The Spark from WITF, host Asia Tabb start the conversations about what&rsquo;s happening in the world and at home. Share your ideas at&nbsp;<a href="https://witf.org/programs/the-spark">https://witf.org/programs/the-spark</a>.