Originally Posted by Stormpulse
Potentially catastrophic winter storm to impact central Indiana, .a strong low pressure system over the western United States will push across central Indiana starting tonight through Wednesday. A variety of winter weather is expected with this system. as the system approaches, cold air will be in place at the surface, however very warm and moist air will be pulled into the system on southerly winds, resulting in warm air aloft. This will result in freezing rain or sleet across much of central Indiana this evening into Tuesday night. As the low passes to our east early Wednesday morning, all of the precipitation will change over to snow. At this time, north and northwest central Indiana, including the cities of kokomo and lafayette look to remain cold enough that a significant portion of the precipitation may fall in the form of snow. However snowfall may be heavy and snowfall amounts in excess of 12 inches are possible by Wednesday evening. Farther south, including the cities of terre haute, Indianapolis, bloomington, new castle and muncie, warm air is expected to be present and precipitation may fall as sleet or freezing rain. Significant ice accumulation is possible, with ice accumulation of one inch or more. Furthermore, strong winds gusting up to 35 mph are expected from late Tuesday afternoon through Wednesday afternoon. This combination will result in widespread downed trees and power lines. A large area of central Indiana may receive large ice accumulations and strong winds by Wednesday afternoon. This will result in widespread trees down and widespread power outages. Long duration power outages will be possible for many people in central Indiana. Uncertainty still exists with the precise track of this system. Adjustments in the track in later forecasts may have significant impacts on areas that may receive freezing rain or snow. Stay alert to the latest forecasts for the latest information on this potentially catastrophic winter storm. , winter storm warning in effect from 7 pm this evening to 7 pm est Wednesday, The National Weather Service in Indianapolis has issued a winter storm warning for heavy snow, sleet and freezing rain, which is in effect from 7 pm this evening to 7 pm est Wednesday. The winter storm watch is no longer in effect. * main impact: roads will likely become impassable due to heavy snow or icing, blowing snow will reduce visibility, travel will become very hazardous or potentially impossible. Ice accumulations may result in widespread, long duration power outages. * accumulations: snow accumulation in excess of 12 to 16 inches is possible in northwest central Indiana. Ice accumulations in excess of one inch are possible along and near the interstate 70 corridor. * timing: precipitation is expected to begin Monday evening and continue through Wednesday afternoon. * other impacts: wind gusts of 35 to 40 mph on Tuesday and Wednesday in combination with heavy ice accumulations will likely result in downed trees and power lines.