...Discussion...
Freezing drizzle is expected to develop around 9pm this evening, increase to periods of freezing rain around Midnight tonight and continue through about 9am on Wednesday morning. The freezing rain may fall heavily at times tonight into early Wednesday morning.
Ice accumulation of 0.1-0.2 inch is likely area-wide with up to 0.25 inch possible in some spots. Additional layers of ice on top of the existing snow and ice pack will maintain, if not increase, treacherous conditions across the area through at least Wednesday afternoon and possibly beyond. Additionally, new layers of ice on top of the existing snow and ice pack will continue to make power, heat and water restoration difficult at best for at least the next 24-36 hours.
Any additional ice accumulation, regardless of the amount, taking place on an already stressed (and in some cases, damaged) infrastructure will obviously be quite problematic. It is quite possible that some parts of the area will remain without power, or only sporadically have power, for a number of days as a result. Water supplies have also become compromised in many parts of the area due to 1) electrical failure at pumping stations and/or 2) failure of back up generators after the main power supply failed. Those water supplies that still exist are typically producing lower than normal pressure, and boil water notices are in effect as a result for many parts of the area.
...Summary...
In summary, we do not expect to see conditions, with regard to direct weather impacts, begin to improve until Wednesday afternoon. Even then, widespread impacts to electric, natural gas and water supplies will continue, possibly for days in some parts of the area.
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