Tuesday, January 18, 2011
Cold Air Trapped in the Interior
Atlantic City is reporting 47 degrees this morning! However, as you travel just 10 or 15 miles inland...the temperatures drop off fairly quickly.
It is 33 in Mount Holly and 34 in Wrightstown. It is 34 in Trenton. Trenton is reporting freezing rain still, despite the air temperature around 34 degrees. The problem that seems to be occuring is that the ground temperature of the immediate surface is still 32 degrees allowing icing to continue. It is just like the concept of taking ice cubes and putting it into water. The water cools down. Here we had sleet and snow on the ground, then icing, and now we are taking plain rain and putting it down.
Towards Central New Jersey, Somerville is 30 degrees. I think this area will likely remain ice through the mid-morning. We do have roughly 2,000 people without power in Middlesex County. It is 31 degrees in New Brunswick at Rutgers University. Newark in Northern New Jersey is also being impacted by freezing temperatures with a current temperature of 32 degrees.
A winter storm warning remains in effect for Hunterdon and Somerset Counties. These areas were previously under an advisory. Temperatures in these counties are taking quite a bit of time to rise above freezing giving prolonged icing to these areas. If travel takes you North and West, warnings for significant icing also exist.
There are some power outages across Jersey Central and Power and Lights service territory this morning. This is the result of the icing on trees bringing down limbs or weak trees.
One problem I suspect could pop-up is that once the rain begins to end mid-morning from South to North is that we could see some fog develop as milder air rides over the snow on the ground. I could see some dense fog develop as well.
Later on today I will discuss the morning shower threat for Wednesday and another potential snowstorm.
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