With fall underway, leaves across the country are coming into senescence, creating a vibrant landscape of reds, browns, oranges and yellows.
Entering the first week of October, much of the East has already seen slight to moderate color change. Some areas farther North, have begun to enter the peak of their season.
"It looks pretty certain that the cold temps in September brought out early and good color to the Northeast, including Pennsylvania," Marc Abrams, professor of Forest Ecology and Physiology at Penn State University, said.
"The August drought and early frosts (in places) is a slight negative, but overall the cold temps prevailed," Abrams said.
Temperatures from September through mid-October have a significant impact on the vibrance of the displays. Cold temperatures become very important during this time, what Abrams considers the "critical period."
"The warm temps this week may delay the trees that have not yet turned but shouldn't deter the ones that have," Abrams said.
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Storms forced the termination of the Idaho-Florida college football game at Ben Hill Griffin Stadium after just one play.
lightly above-normal temperatures are expected through the Labor Day weekend across the Los Angeles area.
Minneapolis is on the front line of a severe weather outbreak this Labor Day weekend.
Humidity and the threat of thunderstorms will continue in the Atlanta area through Friday.
Temperatures will remain in the 90s across the Metroplex through at least Thursday.
It will be unseasonably cool with a few showers around the Seattle area through at least Thursday.
West Chester, PA (1922)
So much hail fell that fields were covered with up to two feet drifted hail--the next day!!
New England (1954)
Hurricane Carol, first of 3 hurricanes to affect New England that year - 60 dead and $450 million damage.
Norfolk, VA (1964)
(Aug. 31 and Sept. 1) 11.40 inches of rain in 24 hours from Hurricane Cleo - all-time record.