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The heat wave for this weekend has been well-advertised with TV sensationalism approaching that of a major calamity.
That said, there likely won’t be record-breaking high temperatures and many (but not all) of the models have backed off slightly from their prediction of the high temperatures reaching 100 or more. Most of the recent models keep us in the 97-99 range.
Of course, with the TV outlets obfuscating the reporting of the expected heat index with expected temperature, it’s hard to know what to really expect. I heard on last’s night’s TV forecast that it will feel like “a rain forest” here due to high dew points. Keep in mind that the dew points in Miami are routinely 77-78 this time of year.
Ok, it will be very hot and very humid with hazy sunshine. High on Saturday 97-99. (I’m sure someone will find a thermometer where the temperature is 100 and above.)
For Philadelphia, the official temperature is measured at the PHL airport. Who lives at the airport?
Having the Delaware river nearby, jet engine exhaust, and, up until recently, refineries, doesn’t seem to bother anyone in the record keeping department.
For Sunday, hazy sunshine and similar temperatures and humidity is expected.
The models show parameters that may result in some occasional cloudiness and even some widely scattered pop-up thunderstorms in the afternoon Saturday and especially Saturday evening. This may occur to our far west, but some may pop up here. Similar uncertainties exist for Sunday. Any clouds and showers that develop may reduce the high temperatures reached.