As early August begins, the weather will feel like August as the extreme jet stream pattern that directed polar air into the mid-latitudes relaxes.
You could feel the fresh fall-like air whizzing into the region this afternoon...
Following in the footsteps of the record-setting cool air mass in mid-July, a second blast of air with polar origins will invade the eastern U.S. to close July.
Forecast model predictions a week into the future are advertising a second major shot of cooler than normal temperatures in the eastern U.S. this July.
This week's cool air outbreak is a textbook case of polar vortex influence on mid-latitude weather and, frankly, the reasoning of these polar vortex doubters is flawed.
In a reversal, the NWS says the deep pool of chilly air coming in from the north is not a manifestation of the polar vortex.
Unseasonably chilly air is headed for parts of the northern and northeastern U.S at the height of summer
Average doesn't necessarily tell the full story of this cold season - rather, it's the extremes - which occurred early and often.
Temperatures that made it into the teens and 20s this morning were way below normal. They set records locally and across the East Coast.
The temperature at Dulles Airport plunged to 19 degrees this morning, breaking the old record of 21 from 1984 for the date.