WROI News

It'll be cold but odds not in favor of a white Christmas

The weather forecast in Indiana for the week of Christmas looks to be more up-and-down than Santa's sleigh ride. 

 

WISH-TV Meteorologist Marcus Bailey says temperatures will be much warmer than normal to start the week. 

 

"Keep in mind, the average for this time of the year is in the mid-30s," Bailey said. "We'll at least be in the low 40s, but I think we have a good shot, especially Tuesday and even into Wednesday, that we could see numbers in the upper 40s, and maybe, in southern parts of the state, we could be in the 50s."

 

However, the warmth won't last long at all.

 

"Pretty significant blast of arctic, Canadian air," Bailey said. "We may see highs only in the upper teens and low 20s for Christmas Day, and overnight lows in the single digits."

 

So, what about the chances of having a "white Christmas"? Bailey says it's still too early to give a final answer, but he's not giving it a big chance. That's actually normal, though.

 

"White Christmas is defined as one inch of snow on the ground on Christmas Day," he said. "The probability of having a white Christmas in Indiana is about 25-30 percent."

 

He explained why it's so hard to predict chances of precipitation, especially in the winter, a week in advance is because of the technology. 

 

"Once you get past the 4-5 day range, in terms of the timing of the precipitation, and what type of precipitation, is extremely difficult," Bailey said. "We usually get a better handle of temperatures, but in terms of precip and timing, you have to keep in mind that when you're talking about something that is a week away, that particular storm complex probably hasn't even formed in real life yet. These models do a better job on situations when that particular system is already over land."

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