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Fog, moisture common occurrence this January

Staff Photo: Jason Braverman Bill Mann, of Lawrenceville, braves the mist and foggy conditions as he walks his dog, Blue, on Thursday morning at Collins Hill Park. Following the rain and warmer-than-normal temperatures, forecasters say the weekend will clear up with temperatures in the upper 50s.

Staff Photo: Jason Braverman Bill Mann, of Lawrenceville, braves the mist and foggy conditions as he walks his dog, Blue, on Thursday morning at Collins Hill Park. Following the rain and warmer-than-normal temperatures, forecasters say the weekend will clear up with temperatures in the upper 50s.

LAWRENCEVILLE -- It was a dark and foggy night, again in Gwinnett.

January has been plagued this year with storms and fog, an unfortunate drawback of a La Nina weather pattern, said National Weather Service meteorologist Jason Deese.

"Typically, we don't have as much moisture in place in January," Deese said, pointing that the 5 inches of rain so far this year is nearly two inches more than average.

And that was before Thursday evening brought another storm with about an inch of rain.

Fog, he said, has been forming because moisture in the air has been surging and long nights allow a long cooling period from unusually warm daytime weather.

"We are stuck in this La Nina pattern," he said. "It does mean the conditions are ripe for fog, too."

So far this year, storms have been popping up every day or two, instead of every three to four days, Deese said.

But after Thursday night's rain, it looks like the Atlanta area will get a reprieve. The next rainfall is expected mid-week.

"This will be the longest break we've had in a while," Deese said.