I work in a major skyscraper and our AC was turned down yesterday because of a request from the city. It sucked for me but hopefully there are enough power saving steps being taken by big consumers to minimize blackout chances.
The ultimate nightmare would be a derecho knocking out power the night before the 2 hottest days of the summer. At least Manhattan shouldn't have any problems.
12z GFS remains less bullish with DPs. At 18z Saturday the metro is right at 100 but the 66-68 degree dewpoint keeps the heat index around 105 rather than 110+.
The 6z GFS is a lot less aggressive with dews, low to mid 70s across the area. The 6z also cuts the worst heat off after Saturday, I'm interested to see if that becomes a trend or if its just a blip.
Yeah this is looking more like a Friday-Monday event rather than Thursday-Sunday. The 12z suite has relief arriving in the Tuesday-Wednesday timeframe.
I'm not buying the extreme heat until it shows up inside 100 hours. I'm also rooting for no 95+ temps so that we have a shot at a top 5 hottest July without any extreme heat, which would be very impressive.
It's extremely pronounced on the anomaly maps. The entire region can be below average and the cities will be bright red, and that's with 1981-2010 averages.