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• PA
• Lake Erie NY
• Low Pen N. MI
• UP
• UP Houghton area
• Lake Erie area near Buffalo
• Lake Ontario
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Nov 17 - 18, 2014 lake effect snow event

Ohio

Ashtabula Inland Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Warning
Statement as of 3:27 PM EST on November 17, 2014

...Lake effect snow warning remains in effect until 7 am EST Wednesday... ...Winter Weather Advisory has expired...

• snow accumulations...through Tuesday night will range from 6 to 12 inches mainly northeast of Painesville and north of Waterford and Corry. Some locations especially over extreme northeast Erie County Pennsylvania could accumulate up to 24 inches by daybreak Wednesday.

• Timing...lake effect snow showers will develop this evening and may taper off for a time overnight and then intensify on Tuesday before tapering off late Tuesday night.

• West winds will increase to 20 to 25 mph by tonight with gusts to 40 mph causing blowing and drifting snow. Winds will diminish Tuesday night.

• Impacts...roads will be or become snow covered and slippery. Visibility will be greatly reduced...especially in the heavy snow bands and when blowing snow. Once the bands of lake effect develop especially tonight and combined with the strong winds...near blizzard conditions will occur. Some roads could become impassable and travel could be difficult if not impossible. However...this is all dependent on where the snow bands line up. The snow bands will be moving around through Tuesday night. They are expected to be close to the Lakeshore...mainly northeast of Painesville which will affect Interstate 90.

Precautionary/preparedness actions...

In lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in Road and visibility conditions. Stay tuned to NOAA Weather Radio for further details or updates.

PA

Southern Erie Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Warning
Statement as of 3:27 PM EST on November 17, 2014

...Lake effect snow warning remains in effect until 7 am EST Wednesday... ...Winter Weather Advisory has expired...

• snow accumulations...through Tuesday night will range from 6 to 12 inches mainly northeast of Painesville and north of Waterford and Corry. Some locations especially over extreme northeast Erie County Pennsylvania could accumulate up to 24 inches by daybreak Wednesday.

• Timing...lake effect snow showers will develop this evening and may taper off for a time overnight and then intensify on Tuesday before tapering off late Tuesday night.

• West winds will increase to 20 to 25 mph by tonight with gusts to 40 mph causing blowing and drifting snow. Winds will diminish Tuesday night.

• Impacts...roads will be or become snow covered and slippery. Visibility will be greatly reduced...especially in the heavy snow bands and when blowing snow. Once the bands of lake effect develop especially tonight and combined with the strong winds...near blizzard conditions will occur. Some roads could become impassable and travel could be difficult if not impossible. However...this is all dependent on where the snow bands line up. The snow bands will be moving around through Tuesday night. They are expected to be close to the Lakeshore...mainly northeast of Painesville which will affect Interstate 90.

Precautionary/preparedness actions...

In lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in Road and visibility conditions. Stay tuned to NOAA Weather Radio for further details or updates.

Lake Erie NY

Chautauqua Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Watch, Lake Effect Snow Warning
Statement as of 3:47 PM EST on November 17, 2014

...Lake effect snow warning remains in effect until 10 am EST Wednesday... ...Lake effect snow watch in effect from Thursday morning through Friday morning...

The National Weather Service in Buffalo has issued a lake effect snow watch...which is in effect from Thursday morning through Friday morning.

• Locations...Chautauqua and Cattaraugus counties...greatest amounts along the Lake Erie shore and northern portions of the area.

• Timing...warning from this evening through Wednesday morning. Watch from Thursday morning through Friday morning.

• Accumulations...snowfall rates of 2 to 3 inches per hour in the most intense portion of the band. Storm total accumulations of 1 to 2 feet from tonight through Wednesday morning. Additional significant accumulations possible Thursday through Friday.

• Winds...southwest 20 to 30 mph with gusts up to 45 mph producing localized blizzard conditions at times with significant blowing and drifting snow.

• Visibilities...near zero at times.

• Impacts...intense lake effect snow and blowing snow will result in very difficult or nearly impossible travel at times within the most intense portion of the band. Some roads may become nearly impassable. If you must travel be prepared for severe winter driving conditions with near zero visibility and deep snow cover on roads. This includes the New York state thruway from Ripley to Silver Creek.

Precautionary/preparedness actions...

In lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in Road and visibility conditions.

If you lose power and plan on running a generator...make sure that the generator is located outdoors and is properly ventilated. Space heaters should also be properly ventilated and used only if they are operating properly. Make sure snow does not block exhausts and fresh air intakes for high efficiency furnaces and water heaters.

Stay tuned to NOAA Weather Radio or your favorite source of weather information for the latest updates. Additional details can also be found at www.Weather.Gov/Buffalo.

Report snow accumulation to the National Weather Service in Buffalo by sending an email to bufstorm.Report@noaa.Gov...posting to the NWS Buffalo facebook Page...or tweet...using the hashtag bufwx

Special Statement
Statement as of 8:42 PM EST on November 17, 2014

...Lake effect snow will continue to impact the area...

• at 833 PM EST...National Weather Service Doppler radar indicated a lake effect snow band capable of producing snowfall rates of one half to one inch per hour...reducing visibility to a half mile or less. The lake effect snow band is located roughly along a line extending from Lackawanna to Akron to Brockport.

• Some locations affected by the lake effect snow band include... Buffalo... Lackawanna... West Seneca... Alden... Akron... Corfu... Pembroke... Brockport...

This includes the New York thruway between exits 46 and 57.

This includes Interstate 390 between exits 11 and 12.

• Lightning and a few rumbles of thunder will be possible.

If traveling across the area...slow down and allow for extra time to reach your destination. Watch out for slick spots on area roadways. In addition...be alert for rapidly changing weather conditions.

Driving within this snow band will be difficult at times with snow covered and slippery roadways. If traveling across the area slow down and be prepared for rapidly changing Road and weather conditions.

Lat...Lon 4250 7935 4256 7916 4269 7906 4279 7886 4294 7892 4299 7903 4308 7901 4338 7821 4338 7796 4302 7759 4267 7871 4248 7937

Low Pen N. MI

Antrim Severe Watches & Warnings NOAA Weather Radio
Winter Storm Warning
Statement as of 4:44 PM EST on November 17, 2014

...Winter Storm Warning now in effect until midnight EST Tuesday night...

• short term trends...snow showers will increase in intensity as the evening wears on.

• Longer term trends...snow showers will continue into Tuesday and will be heavy at times with snowfall rates of 1 to 2 inches per hour possible. Gusty west winds over 30 mph Tuesday will produce considerable blowing and drifting snow...especially on north-south roadways.

• Snow accumulations...accumulations of 12 or more inches are possible under heaviest snow squalls between 6pm tonight and 6pm Tuesday evening. Additional snowfall is expected Tuesday night.

• Impacts...snow covered roads. Near whiteout conditions at times due to a combination of falling snow and areas of blowing snow.

Precautionary/preparedness actions...

A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency.

UP

Luce Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Advisory
Statement as of 3:59 PM EST on November 17, 2014

...Lake effect Snow Advisory remains in effect until 7 PM EST Tuesday...

Hazardous weather...

• lake effect snow off Lake Superior will increase in coverage and intensity this evening and will then fall moderate to heavy at times tonight into Tuesday morning. The lake effect snow will gradually diminish Tuesday afternoon.

• By late Tuesday afternoon...plan on total lake effect snow accumulations of 6 to 11 inches...with the greatest amounts from McMillan to Pine Stump Junction.

• Northwest winds gusting to 20 to 30 mph will create blowing snow at times late tonight into Tuesday afternoon...especially near Lake Superior.

Impacts...

• the combination of lake effect snow and blowing snow will make travel difficult at times tonight through Tuesday.

• Large waves that will build to as high as 12 to 14 feet will lead to Lakeshore flooding and beach erosion along Lake Superior late tonight through Tuesday.

Precautionary/preparedness actions...

• a lake effect Snow Advisory Means Lake effect snow is forecast that will make travel difficult in some areas.

• Prepare...plan...and stay informed. Visit www.Weather.Gov/MQT

UP Houghton area

Houghton Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Warning
Statement as of 3:59 PM EST on November 17, 2014

...Lake effect snow warning remains in effect until 1 PM EST Tuesday...

Hazardous weather...

• lake effect snow will fall moderate to heavy at times through tonight...especially over the higher terrain south of Houghton and also near Copper Harbor this evening. The lake effect snow will then gradually diminish during the day Tuesday.

• By Tuesday afternoon...plan on lake effect snow accumulations of 7 to 12 inches. As much as 12 to 18 inches of snow may accumulate over the higher terrain south of Painesdale...especially around Twin Lakes.

• Northwest winds gusting to 35 to 40 mph at times will create considerable blowing snow through early Tuesday. The combination of the falling snow and blowing snow will reduce visibility to as low as one quarter mile at times.

Impacts...

• the combination of the lake effect snow and blowing snow will make travel difficult through early Tuesday.

• Large waves that will build to as high as 8 to 12 feet will lead to minor Lakeshore flooding and beach erosion along Lake Superior from late today through Tuesday morning.

Precautionary/preparedness actions...

• a lake effect snow warning means significant amounts of lake effect snow are forecast that will make travel very hazardous.

• Prepare...plan...and stay informed. Visit www.Weather.Gov/MQT

Lake Erie area near Buffalo

Southern Erie Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Watch, Lake Effect Snow Warning
Statement as of 3:47 PM EST on November 17, 2014

...Lake effect snow warning remains in effect until 1 PM EST Wednesday... ...Lake effect snow watch in effect from late Wednesday night through late Thursday night...

The National Weather Service in Buffalo has issued a lake effect snow watch...which is in effect from late Wednesday night through late Thursday night.

• Locations...Erie...Genesee...and Wyoming counties including the Buffalo Metro area.

• Timing...lake effect snow warning from this evening through midday Wednesday. Lake effect snow watch late Wednesday night through late Thursday night.

• Accumulations...snowfall rates of 3 to 5 inches per hour in the most intense portion of the band. Snow potentially accumulating 2 to 3 feet in the most persistent bands. Additional significant amounts possible late Wednesday night through late Thursday night.

• Winds...southwest 20 to 30 mph with gusts up to 45 mph producing localized blizzard conditions at times with significant blowing and drifting snow.

• Visibilities...near zero at times.

• Impacts...intense lake effect snow and blowing snow will result in very difficult or nearly impossible travel at times within the most intense portion of the band. Some roads may become nearly impassable. If you must travel be prepared for severe winter driving conditions with near zero visibility and deep snow cover on roads. This includes the New York state thruway from Silver Creek to Batavia.

Precautionary/preparedness actions...

In lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in Road and visibility conditions.

If you lose power and plan on running a generator...make sure that the generator is located outdoors and is properly ventilated. Space heaters should also be properly ventilated and used only if they are operating properly. Make sure snow does not block exhausts and fresh air intakes for high efficiency furnaces and water heaters.

Stay tuned to NOAA Weather Radio or your favorite source of weather information for the latest updates. Additional details can also be found at www.Weather.Gov/Buffalo.

Report snow accumulation to the National Weather Service in Buffalo by sending an email to bufstorm.Report@noaa.Gov...posting to the NWS Buffalo facebook Page...or tweet...using the hashtag bufwx

Special Statement
Statement as of 8:42 PM EST on November 17, 2014

...Lake effect snow will continue to impact the area...

• at 833 PM EST...National Weather Service Doppler radar indicated a lake effect snow band capable of producing snowfall rates of one half to one inch per hour...reducing visibility to a half mile or less. The lake effect snow band is located roughly along a line extending from Lackawanna to Akron to Brockport.

• Some locations affected by the lake effect snow band include... Buffalo... Lackawanna... West Seneca... Alden... Akron... Corfu... Pembroke... Brockport...

This includes the New York thruway between exits 46 and 57.

This includes Interstate 390 between exits 11 and 12.

• Lightning and a few rumbles of thunder will be possible.

If traveling across the area...slow down and allow for extra time to reach your destination. Watch out for slick spots on area roadways. In addition...be alert for rapidly changing weather conditions.

Driving within this snow band will be difficult at times with snow covered and slippery roadways. If traveling across the area slow down and be prepared for rapidly changing Road and weather conditions.

Lat...Lon 4250 7935 4256 7916 4269 7906 4279 7886 4294 7892 4299 7903 4308 7901 4338 7821 4338 7796 4302 7759 4267 7871 4248 7937

Lake Ontario

Lewis Severe Watches & Warnings NOAA Weather Radio
Lake Effect Snow Watch, Lake Effect Snow Warning
Statement as of 3:47 PM EST on November 17, 2014

...Lake effect snow warning remains in effect from 7 PM this evening to 3 PM EST Wednesday... ...Lake effect snow watch in effect from late Wednesday night through Friday morning...

The National Weather Service in Buffalo has issued a lake effect snow watch...which is in effect from late Wednesday night through Friday morning.

• Locations...Eastern Lake Ontario region with the greatest amounts from the central and northern Tug Hill to the Watertown and Fort Drum areas.

• Timing...warning from this evening through Wednesday afternoon. Watch from late Wednesday night through Friday morning.

• Accumulations...snowfall rates of 3 to 5 inches per hour in the most intense portion of the band. Storm total accumulations of 3 to 4 feet in the most persistent bands.

• Winds...southwest 20 to 30 mph with gusts up to 45 mph producing localized blizzard conditions at times with significant blowing and drifting snow.

• Visibilities...near zero at times.

• Impacts...intense lake effect snow and blowing snow will result in very difficult or nearly impossible travel at times within the most intense portion of the band. Some roads may become nearly impassable. If you must travel be prepared for severe winter driving conditions with near zero visibility and deep snow cover on roads. This includes Interstate 81 from Pulaski to Watertown.

Precautionary/preparedness actions...

If you lose power and plan on running a generator...make sure that the generator is located outdoors and is properly ventilated. Space heaters should also be properly ventilated and used only if they are operating properly. Make sure snow does not block exhausts and fresh air intakes for high efficiency furnaces and water heaters.

In lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in Road and visibility conditions.

Stay tuned to NOAA Weather Radio or your favorite source of weather information for the latest updates. Additional details can also be found at www.Weather.Gov/Buffalo.

Report snow accumulation to the National Weather Service in Buffalo by sending an email to bufstorm.Report@noaa.Gov...posting to the NWS Buffalo facebook Page...or tweet...using the hashtag bufwx

maps and radar image

nov 17-19, 2014 - lake effect snow warnings for eastern lake erie and lake ontario where forecast amounts range from 2 to 4 feet.

November plus big wind plus temps in the teens and dropping equals a major lake effect snow event

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weather.com - Published: Nov 17, 2014, 9:08 PM EST - Heavy Lake-Effect Snow Underway: Thundersnow Reported, 3 Feet of Snow Possible

The map at right shows forecast snowfall accumulations for the next 48 hours. Keep in mind that additional accumulations may occur even after the end of the 48-hour period.

radar loop ending at 9:45 p.m. EST shows intense snowfall in western NY due to lake effect snow from Lake Erie.

#weather - #greatlakes - #lakeeffect