Tuesday, January 18, 2011

Warmer air pushing northward, Fog Concerns

Warmer air continues to push into New Jersey, changing the freezing rain over to rain in many areas.

A winter weather advisory continues for Middlesex County in New Jersey. A winter storm warning remains in effect for Hunterdon and Somerset Counties. These areas continue to have pockets of air temperatures at or below freezing.

Untreated surfaces in Southern New Jersey still have slush on them and in some cases a coating of ice. The ground temperature is still cooler than the air temperature. So driving slow and with caution still applies where the temperature is between 30 and 40 degrees. It is 35 degrees in in Wrightstown and 34 degrees in Mount Holly. It is 39 in Lakehurst and 48 in Atlantic City. It is 34 in Newark. However, in Somerville it is 32 with freezing rain still reported there.

In Northwestern New Jersey, there are now a 2,000-4,000 people without power as a result of the icing up there continuing.

This Afternoon: The rain will taper off to drizzle and mist, before ending. As the rain stops mixing the air, the warmer air temperatures riding over the snow cover will allow for fog to form. Some of this fog could be dense.

Early Wednesday Morning: The models are indicating the storm system out in the Ohio Valley producing a round of precipitation toward dawn. There are clear skies on the satellite in Western Pennsylvania ahead of this system. If skies should clear tonight for a few hours before the arrival of this light precipitation, we may have temperatures fall back to around or just below freezing in Central New Jersey and perhaps even in interior Southern New Jersey. This could cause some black ice to form and if the precipitation comes in, there could be some wintry mix.

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