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Dec
02

Locally Dense Fog Tonight

By · December 2, 2012 at 9:47 pm

Dense Fog Advisory is now in place, until 9am Monday morning, for the Indianapolis metro area and points northward to the Michigan border.  Additional counties south and southeast may be added later tonight.  Be sure to tune into Eyewitness Sunrise beginning at 4:30am with the latest on potential school delays, and travel troubles.

The picture below is a snapshot from Morse Reservoir around 9:30pm, and is representative of other areas with light wind.

 

This fog/stratus cloud layer will be a key element to the temperature forecast Monday.  I believe the wind will increase enough to “mix-out” the cloud deck, and allow for enough sun to rally temps to near record levels Monday afternoon.  Considering we’ll begin in the upper 50s/near 60… it won’t take much solar radiation to quickly push thermometers into the upper 60s to near 70°.  But admittedly, it’s difficult at this time to accurately time out the thinning of the overcast.

It’s a big “if”… but 70° would be a daily record for December 2nd, the first 70° December day since 2001, and only the 6th 70°+ December on record for Indianapolis since 1871.  Bottom-line odds aren’t on a forecaster’s side for that to happen.  But the air mass in place is more than suitable for temps over 70° providing enough sun breaks occur.

This is the peak of the balmy stretch to start the month.  Tuesday will remain well above normal, but rain/storms quickly charge into the state with the arrival of a cold front.  Thursday morning will be the coldest, and next weekend looks significantly cooler than what we just endured.

Be safe traveling tonight and early Monday morning.

Sean Ash

 

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