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Eye on the Sky

January 12, 2018

Archived Detailed Forecast

January 12, 2018

***FLOOD WATCH FOR VT, EASTERN NY, SOUTHERN NH AND MA THROUGH SATURDAY***
***WINTER STORM WARNING FOR NORTHERN VT AND NY TONIGHT THROUGH SATURDAY***
***WINTER WEATHER ADVISORY FOR NORTHERN AND WESTERN NH, SOUTHERN VT, MA, WEST TO THE HUDSON VALLEY LATE TONIGHT AND SATURDAY***
Rain and quite mild. Rain will mix or change to sleet or freezing rain in the St. Lawrence Valley later in the afternoon. Highs in the upper 40s to mid 50s, falling northwest in the afternoon. Winds south to southwest 10 to 15 mph east of the Green Mountains, and 10 to 20 mph, gusting to 30 mph from the Green Mountains west, shifting to the northwest late.

January 12, 2018 Night

Periods of rain south of Rt. 4, and east of the Green Mountains, changing to sleet or freezing rain late. Rain changing to a wintry mix or snow north of Rt. 4, and from the Green Mountains west, and changing to all snow in Quebec and the Adirondacks. Lows in the 30s southeast, mid teens to low 20s in VT, and near 10 in NY and the St. Lawrence Valley. Winds shifting the north 10 to 15 mph, gusting to 25 mph.

January 13, 2018

Any wintry mix changing to snow west and north, and snow showers south and east. Storm totals 6 to 12 inches in northwest VT, northern NY and Quebec, 2 to 6 inches from northern NH into northeast and central VT and eastern NY, and a trace to 2 inches southeast. Temperatures steady or falling. Winds north to northeast 10 to 15 mph, gusting to 25 mph.

January 13, 2018 Night

Scattered snow showers in the northern mountains, tapering off elsewhere, with some clearing south. Lows 10 below zero to 5 above west, and 5 to 10 east. Winds northwest near 10 mph.

Significant/Hazardous Weather

Rain and melting snow may cause some river ice to break up, with the potential for ice jam flooding. A significant ice and snow situation will develop tonight into Saturday, with heavy snow in the Adirondacks and St. Lawrence Valley, moderate amounts along with a period of icing in northern VT and NH, and lighter amounts south.

Archived Extended Forecast

January 12, 2018

***FLOOD WATCH FOR VT, EASTERN NY, SOUTHERN NH AND MA THROUGH SATURDAY***
***WINTER STORM WARNING FOR NORTHERN VT AND NY TONIGHT THROUGH SATURDAY***
***WINTER WEATHER ADVISORY FOR NORTHERN AND WESTERN NH, SOUTHERN VT, MA, WEST TO THE HUDSON VALLEY LATE TONIGHT AND SATURDAY***
Rain and quite mild. Rain will mix or change to sleet or freezing rain in the St. Lawrence Valley later in the afternoon. Highs in the upper 40s to mid 50s, falling northwest in the afternoon. Winds south to southwest 10 to 15 mph east of the Green Mountains, and 10 to 20 mph, gusting to 30 mph from the Green Mountains west, shifting to the northwest late.

January 12, 2018 Night

Periods of rain south of Rt. 4, and east of the Green Mountains, changing to sleet or freezing rain late. Rain changing to a wintry mix or snow north of Rt. 4, and from the Green Mountains west, and changing to all snow in Quebec and the Adirondacks. Lows in the 30s southeast, mid teens to low 20s in VT, and near 10 in NY and the St. Lawrence Valley. Winds shifting the north 10 to 15 mph, gusting to 25 mph.

January 13, 2018

Any wintry mix changing to snow west and north, and snow showers south and east. Storm totals 6 to 12 inches in northwest VT, northern NY and Quebec, 2 to 6 inches from northern NH into northeast and central VT and eastern NY, and a trace to 2 inches southeast. Temperatures steady or falling. Winds north to northeast 10 to 15 mph, gusting to 25 mph.

January 13, 2018 Night

Scattered snow showers in the northern mountains, tapering off elsewhere, with some clearing south. Lows 10 below zero to 5 above west, and 5 to 10 east. Winds northwest near 10 mph.

January 14, 2018

Becoming partly to mostly sunny, and quite cold. Highs in the single numbers to low teens north, and in the teens south. Winds from the north 10 mph or less.

January 14, 2018 Night

Clearing and cold. Lows 10 to 20 below zero north, and 5 below to 5 above south.

January 15, 2018

Martin Luther King, Jr. Day: Partly sunny and cold. Highs 10 to 20 north to south.

January 15, 2018 Night

Increasing clouds, with a chance of snow showers late west and south. Lows 0 north to near 10 above south.

January 16, 2018

Periods of snow and snow showers. Highs 20 to 25.

Significant/Hazardous Weather

Rain and melting snow may cause some river ice to break up, with the potential for ice jam flooding. A significant ice and snow situation will develop tonight into Saturday, with heavy snow in the Adirondacks and St. Lawrence Valley, moderate amounts along with a period of icing in northern VT and NH, and lighter amounts south.

Archived Recreational Forecast

General:

***FLOOD WATCH FOR VT, EASTERN NY, SOUTHERN NH AND MA THROUGH SATURDAY***
***WINTER STORM WARNING FOR NORTHERN VT AND NY TONIGHT THROUGH SATURDAY***
***WINTER WEATHER ADVISORY FOR NORTHERN AND WESTERN NH, SOUTHERN VT, MA, WEST TO THE HUDSON VALLEY LATE TONIGHT AND SATURDAY***
Rain and quite mild. Rain will mix or change to sleet or freezing rain in the St. Lawrence Valley later in the afternoon. Highs in the upper 40s to mid 50s, falling northwest in the afternoon. Winds south to southwest 10 to 15 mph east of the Green Mountains, and 10 to 20 mph, gusting to 30 mph from the Green Mountains west, shifting to the northwest late.

Brief:

The January Thaw is well underway, with rain spreading east through the region, and temperatures quite mild thanks to gusty south winds, 30 to 40 mph at times. This, combined with the melting snow could potentially break up some river ice, leading to the threat of flooding. An arctic cold front extends from northern Quebec southwest to eastern Great Lakes, and south to a developing storm over the Deep South. The storm will track northeast, while the leading edge of arctic air pushes east. Ahead of them, the very warm air and soaking rains expected today. However, the arctic front will move through late today and tonight, while the storm crosses southern New England. The shallow layer of cold air immediately northwest of the front means the rain will first turn to freezing rain and sleet, then, as the cold air deepens, any icy mix becomes snow. Several inches will accumulate through St. Lawrence Valley and the Adirondacks. The cold and its progression of rain to ice to snow will work south through the region later tonight into Saturday, but also taper off southwest to northeast, so ice and snow amounts will decrease as you go south and east. Storm totals are expected to range from 6 to 12 inches in northwest VT, northern NY and Quebec, 2 to 6 inches from northern NH into northeast and central VT and eastern NY, and a trace to 2 inches in southeast VT and much of southern NH. Behind the storm and its front, a return to mid-winter arctic temperatures, not quite as intense as the post-Christmas event, but still quite cold. That means any partially frozen material that isn’t cleaned up Saturday, may freeze into place Saturday night into most of next week.

Winds:

Winds today from the south to southwest 10 to 15 mph east of the Green Mountains, and 10 to 20 mph, gusting to 30 mph from the Green Mountains west. Winds overnight shifting the north 10 to 15 mph, gusting to 25 mph. On Saturday, north to northeast winds 10 to 15 mph, gusting to 25 mph. Sunday’s outlook calls for northwest winds 10 to 15 mph, gusting to 25 mph.

For more details on Lake Champlain, go to: http://forecast.weather.gov/product.php?site=BTV&product=REC&issuedby=BTV

Mountain:

Clouds and rain will obscure the mountains today, possibly mixing with sleet or freezing rain in the Adirondacks by evening. Temperatures in the 40s to near 50, starting to fall later in the day, and strong southwest winds, shifting to the northwest and decreasing later in the day. For Saturday, snow in the Adirondacks, and sleet, freezing rain, and snow, changing to snow from northwest to southeast through the Green and White Mountains, and the Berkshires. Temperatures will fall into the single digits in the Adirondacks, teens elsewhere. Winds will shift to the north and northeast. Sunday’s outlook keeps a few clouds and flurries over the northern summits, otherwise becoming partly to mostly sunny. Mid-winter cold returns, with temperatures near zero across the summits, and light to moderate north winds.

Winds January 12, 2018 January 13, 2018 January 14, 2018
2000ft SSW 50>NW 30 mph N 15 to 25 mph N 15 > 5 mph
4000ft SW 70>W 40 mph N 25 to 40 mph N 15 > 5 mph
6000ft SW 75 to 90 mph N 20 to 35 mph NW 5 to 15 mph
Temperatures January 12, 2018 January 13, 2018 January 14, 2018
2000ft 40s 8 NW/28 SE 3 NW/11 SE
4000ft upper 40s 20>5A 0 to 5A
6000ft 40s > 30s 25 > 10A 0 to 5A

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