There is up to 9 inches of snow , with 1/4 inch layer of ice for Londonderry.
According to the National Weather Service low pressure will begin to move northeast from the Gulf of Mexico tonight…then intensify at it heads up the eastern seaboard Tuesday. the low will move through the Gulf of Maine Tuesday night and Wednesday.
Snow will overspread New Hampshire and then Maine during the day on Tuesday. Enough warm air may wrap into the system to change the precipitation over to rain along coastal regions and extreme southeast New Hampshire by Tuesday night. Further inland a mix of snow, sleet and freezing rain is expected with all snow anticipated over far northern areas.
Six inches or more of snow with mixed precipitation causing a thin layer of ice is likely, especially away from the immediate coast. right along the shoreline A few inches of snow will accumulate before the mixing or changeover to rain occurs. The precipitation will wind down on Wednesday. In the meantime expect very slick travel…especially over inland sections.
Winter storm warning in effect from 7 am Tuesday to 10 am est Wednesday.
The National Weather Service in Gray has issued a winter storm warning for mixed precipitation which is in effect from 7 am Tuesday to 10 am est Wednesday. the winter storm watch is no longer in effect. Storm duration and accumulation forecast has increased since Monday afternoon.
* Timing: Snow will enter the region Tuesday morning between 7am and 10am in Londonderry followed by mixed snow sleet and freezing rain away from the coast Tuesday night. The precipitation will wind down Wednesday morning.
* Accumulations: 5 to 9 inches or more of snow with one quarter inch of ice.
* Impacts: Travel will be treacherous. Scattered power outages are possible.
* Forecast confidence: Forecast confidence in snow amounts is moderate to high however, there is still some uncertainty in the track of the low. A slightly further east low track will mean lesser snow amounts especially in the northern New Hampshire and western
Maine mountains. A track further west would yield more snow for the mountains but more of a mix on the coastal plain and perhaps a bit more freezing rain than forecast.
* Instructions: A mixture of snow sleet and freezing rain will make for difficult travel across the region Tuesday into Wednesday.
0 comments:
Post a Comment