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Published: Friday, December 29, 2017 @ 7:55 AM
— Fresh snow can play a big role in keeping the Miami Valley colder in the winter, according to Storm Center 7 Meteorologist Kirstie Zontini.
“With no snow on the ground, sunshine warms the ground, and in turn the air,” Zontini said. “This can help us get into the 30s or 40s even during the winter when the ground is snow-free.”
But when snow is on the ground, the story changes, Zontini says.
“Snow has a high albedo, which means it can very effectively reflect incoming solar radiation it receives from the sun during the day. Snow pack will reflect about 50-percent to 90-percent of the incoming solar rays back out to space and the other part is used to melt the snow,” Zontini said.
Because the snow is reflecting the solar radiation, the radiation doesn’t have the ability to warm the ground and air, meaning colder temperatures during the day and at night.
Published: Tuesday, June 19, 2018 @ 4:24 AM
Updated: Tuesday, June 19, 2018 @ 11:30 PM
— Clouds will linger with still a chance for a passing shower or storm overnight. Patchy fog will be possible late in areas that have heavy rain. Temperatures will drop into the lower 70s by morning, Storm Center 7 Chief Meteorologist Eric Elwell said.
Wednesday: Scattered showers and storms return, but will be more widespread across the southern counties. Outside of the storms, skies will be partly sunny with highs in the lower 80s.
Thursday: Partly sunny skies with a bit less humidity. A passing shower or storm is possible again in southern counties. Temperatures will climb into the lower 80s.
Friday: Scattered showers and storms spread back across the area with locally heavy rain possible. A few stronger storms are possible as well with highs again in the lower 80s.
Saturday: A chance for showers and storms are expected again. Otherwise, skies will be partly sunny with highs in the upper 70s.
Published: Wednesday, June 20, 2018 @ 12:09 AM
— WRIGHT PATTERSON AIR FORCE BASE—Scattered showers and storms return, but will be more widespread across the southern counties.
RELATED: County-by-County Weather
Outside of the storms, skies will be partly sunny with highs in the lower 80s.
A passing shower or storm is possible again Thursday, mainly in southern counties. Overall partly sunny skies for the day with temperatures climbing into the lower 80s and a bit less humidity.
Published: Friday, January 12, 2018 @ 1:01 AM
Updated: Tuesday, April 03, 2018 @ 5:34 AM
Published: Monday, June 18, 2018 @ 11:40 AM
Updated: Tuesday, June 19, 2018 @ 5:53 AM
MIAMI VALLEY — In the Miami Valley, a heat wave is classified as three consecutive days or more at or above 90 degrees, according to Storm Center 7 Meteorologist Kirstie Zontini. Dayton saw two 90 degree days in a row in May and this weekend, we added two more. It officially hit 92 degrees Monday making this stretch an official heat wave in Dayton. The airport climbed to 90 degrees Saturday and 92 degrees Sunday and Monday.
RELATED: The UV index explained
The most recent heat wave was July 23-25, 2016. The last heat wave Dayton experienced in June was June 10-14, 2015. That stretch produced five days at 91 degrees!