Advisory: Winter Storm Update

The National Weather Services (NWS) Gray, in Maine has provided a forecast for the entire state. Heavy accumulations are expected on Friday into the evening. A winter storm watch is currently in effect statewide. Some areas of the state may see snow accumulation totaling 2+ feet. 

Predictions: 

Temperature: 
Highs during the day on Friday are predicted to be around 30 on the coast, teens in the north and in the 20s for the rest of the state. Friday night temps will drop to the teens in the South and single digits in the North. Temperatures will be similar to a couple of degrees cooler on Saturday as the storm moves out. 

Wind: 
Winds are a concern for blowing and drifting snow. The Coast can expect 20-30 mph sustained winds with gusts to 45-50 mph. The rest of the state will see 10-20 mph with gusts to 30 mph. 

Snow: 
Snow accumulation will be 6-10” for Coos County and 10-20” in Southern and Central NH with the possibility of 24”+ in some areas. This will be a very significant storm for the Seacoast region. Light snow is expected to begin early Friday morning and intensifying into the afternoon. By 7 PM Friday there will be 6” accumulation in the South and 2” in the North. From 7 PM Friday to 7 AM Saturday heaviest accumulation will occur throughout the state. All snowfall is expected end by noon Saturday. 

Rain: 
There will not be any rain associated with this storm. 

Ice Accretion: 
There is no potential for icing with this storm. 

Marine Forecast: 
A Coastal Flood Watch has been issued with a 1-3’ surge expected Saturday morning. High tide at 9:54 Saturday morning will be at 1 foot below flood stage. Hurricane force winds of 60+ knots over the water with 25-30 foot seas expected. 

Travel: 
Commutes on Friday night and Saturday morning will be severely impacted by this storm. Unnecessary travel after 7 PM Friday should be avoided. 

Power Outages: 
Residents are encouraged to report power outages via the PSHN's website (www.psnh.com) or by calling PSNH's 24/7 Call Center at 1-800-662-7764. 

Parking: 
The Londonderry Police Department is asking residents not to park in roadways so snow plow crews can keep roads clear during this snow event.