Northern St. Lawrence storm history

Elevated flat ice accumulations were generally 0.2 to 0.4 inches across the area with vehicle accidents being the main impact, but some isolated power outages occurred as well.

Snowfall totals of 6 to 10 inches were reported across St. Lawrence county with 11 inches in South Colton, 10 inches in Heuvelton and Edwards with 8 inches in Massena and Russell.

Snowfall totals of 3 to 6 inches were reported.

Dangerous heat across the region for both June 23rd and 24th with daytime temperatures in the mid to upper 90s and dewpoints in the 70s creating heat index values between 100 and 110.

Snowfall totals across the area were 5 to 10 inches.

Blizzard conditions locally developed in the northern St. Lawrence river valley during a larger winter storm between 10 am and 2 pm. Northeast winds of 20 to 30 mph with frequent gusts over 40 mph, including gusts around 50 mph combined with falling and blowing snow with visibili…

Snowfall totals across the county were 8 to 15 inches with blizzard conditions at times during the late morning into early afternoon hours of 2/16.

A widespread snow mixed with sleet and freezing rain at times with snowfall accumulations of 2 to 5 inches across the area.

Snowfall totals across the area were generally 3 to 5 inches.

Snowfall accumulations of 2 to 5 inches were observed.

Numerous wind gusts in excess of 50 mph were observed, including a wind gust of 63 mph in Massena.

Snowfall ranged from 3 to 8 inches across the region.

A general 5 to 10 inches of snow fell across northern St. Lawrence county with 4 to 7 inches elsewhere within the county.

Snowfall totals across St. Lawrence county were generally 4 to 6 inches across the region.

Snowfall totals in St. Lawrence county were generally 2 to 6 inches with the higher totals in the Adirondacks of southeast St. Lawrence.

ASOS measured a 59 mph wind gust in Massena with numerous reports of some form of tree damage and other observations in the upper 40 to lower 50 mph range.

Flat ice accumulations of 0.25 to 0.5 inches were observed.

Snowfall totals of 1 to 3 inches were observed and accounted for some hazardous travel.

Southeast wind gusts of 40-50 mph with a few in the lower 50 mph range impacted the region for a few hours resulting in isolated to scattered power outages.

Various mesonet sites reported wind gusts between 40 and 50 mph with some isolated small limb damage. In addition 1 to 3 inches of wet snow preceded the wind event.

Snowfall amounts of 4 to 7 inches were observed.

A hard freeze with temperatures in the 20s occurred across much of the area for several hours in the morning.

Snowfall totals of 3 to 7 inches were common.

A general 5 to 8 inches of snow fell across the region.

A general 3 to 6 inches of snow fell across the region.

Dangerously cold temperatures and wind chills impacted the area from early Friday morning through Saturday evening. The coldest was Friday night with low temperatures 20 to 30 below zero and wind chills 30 to 45 below zero. Some specific low temperatures included;-35 in Ogdensbur…

Snowfall totals ranged from 6 to 10 inches.

A general 4 to 7 inches of snow fell across the region.

Snowfall totals were generally 3 to 6 inches across the region.

Snow and Travel Emergencies were declared for St. Lawrence county with northern St. Lawrence county west of Route 11, closer to Route 37 witnessing blizzard conditions at times with near zero visibilities, sustained winds 20 to 30 mph and frequent gusts in excess of 40 mph. Snowf…

Southeast winds of 25 to 35 mph with gusts to 50 mph occurred during the morning hours before lessening for a few hours before an arctic cold front brought west winds of 25 to 35 mph with gusts to 50-55 mph to the region.

Snow and Travel Emergencies were declared for St. Lawrence county with northern St. Lawrence county west of Route 11, closer to Route 37 witnessing blizzard conditions at times with near zero visibilities, sustained winds 20 to 30 mph and frequent gusts in excess of 40 mph. Snowf…

A wet, heavy snowfall of 10 to 20 inches was common across the St. Lawrence Valley with the higher totals in the Adirondacks. This resulted in scattered power outages.

Snowfall accumulations of 2 to 5 inches were common.

Snowfall amounts of 8 to 10 inches were common, the heaviest occurring in the latter third of the event.

Combined snow and sleet accumulations of 4 to 8 inches were common along with a tenth of an inch of ice (freezing rain) accumulation. These conditions led to hazardous driving across the area.

Total snowfall ranged from 6 to 10 inches with much of this falling in the late evening of February 3rd to around daybreak on February 4th.

Dangerous cold wind chills of 25 to 35 below zero late Wednesday night (26th) through mid-morning Thursday (27th) and again late Friday night (28th) into midday Saturday (29th). Actual air temperatures were 15 to 25 below zero as well.

Observed low temperatures Friday and Saturday morning were 20 to 30 below zero. Wind chill temperatures were about 10 degrees colder Thursday night into midday Friday. Massena set a daily record on Friday at -30 degrees (-27/2005).

Snowfall totals of 6 to 10 inches were common.

Dangerously cold wind chills of 25 to 40 below zero were observed across the region with actual air temperatures of 10 to 20 below zero Friday evening through midday Saturday. Overnight minimum temperatures Saturday night-Sunday morning were 15 to 25 below zero with calm/light wi…

Minimum temperatures on the morning of the 11th (Tuesday) were in the 10 to 20 below zero with winds creating wind chills in the mid 20s to lower 30s below zero range. Daytime highs only reached near zero with still sub-zero wind chills. Lows Tuesday night fell below zero early t…

Light accumulation of ice, less than a tenth of flat ice, due to freezing rain/drizzle. Numerous vehicle accidents (solo or multi-vehicle) due to icy roads.

A widespread 3 to 4 inches of snow fell across the St. Lawrence valley with up to 5 inches in the Adirondacks.

Numerous tree branches and trees down that fell on utility lines, roads and small structures across St. Lawrence county. Numerous wind gusts in excess of 50-55 mph with a measured 67 mph in Potsdam, 64 mph in Massena.

Measured wind gusts in excess of 40-45 mph led to isolated power outages.

Rain changed to snow by late afternoon with snowfall amounts ranging from 2 to 4 inches in the valley with 3 to 6 inches in higher elevations of the Adirondacks.

Snowfall reports were generally 2 to 4 inches with no impacts, including roads as they stayed wet.

Peak wind gusts in the 35-40 mph range were observed.