Weather Update 2.25.22

Summary: Winter Storm to Impact the Mid-Atlantic and Northeast Friday. A winter storm will produce a swath of freezing rain into Friday over the northern Mid-Atlantic and a swath of heavy snow over upstate New York State and much of New England. Ice accumulations over 0.25” are most likely over west-central Pennsylvania where particularly hazardous travel and localized power outages are likely. Snowfall rates of 1-2" per hour will be possible in the Northeast. 

Major Lanes of Concern

• Interstate 35 from Dallas to Oklahoma City.
• Interstate 40 from Oklahoma City to Little Rock.
• Interstate 44 from Wichita Falls, Texas, to St. Louis.
• Interstate 64 from St. Louis to Louisville, Kentucky.
• Interstate 65 from Indianapolis to Nashville, Tennessee.
• Interstate 70 from St. Louis to Frederick, Maryland.
• Interstate 80 from Toledo, Ohio, to Teaneck, New Jersey.
• Interstate 95 from Philadelphia to the Maine-Canada border.

• Sub-freezing temperatures as low as 30 degrees expected
• Northeast winds 15 to 25 mph with gusts up to 35 mph expected

• Wind chills as low as 40 below zero

• Wind chills as low as 30 below zero

• Light ice accumulations possible with visibility one mile or less in freezing fog
• Visibility may drop as low as 1/4 mile
• Hazardous driving conditions due to low visibility and potential frost on bridges

• Visibility one-quarter mile or less in dense fog
• Hazardous driving conditions due to low visibility

• Winter Weather Advisory: Pockets of light snow or freezing drizzle will remain possible this morning. Falling temperatures behind a cold front may allow ice to linger on roads. Roads, and especially bridges and overpasses, will remain slick and hazardous.
• Flood Warning: Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall.

• Winter Weather Advisory: Mixed precipitation. Additional sleet accumulations of up to one inch and ice accumulations of up to one tenth of an inch. Plan on slippery road conditions
• Ice Storm Warning: Significant icing. Around a third of an inch of ice accumulation. Downed tree limbs and isolated power outages are likely due to the ice. Hazardous travel conditions could impact the morning.

• Winter Weather Advisory: Mixed precipitation. Total combined snow and sleet accumulations of 1 to 3 inches, and ice accumulations up to around a tenth of an inch. Hazardous conditions could impact travel.
• Winter Storm Warning: Ice accumulations of a light glaze to a tenth of an inch. Total snow and sleet accumulations 4 - 7 inches. Some areas may see up to 12 - 15 inches. Maximum snowfall rates of 1 to 2 inches per hour are expected into this morning. Snow will continue to mix with then change to sleet by mid morning, with a brief period of freezing rain possible late this morning. Travel will be very difficult to impossible

• West northwest winds 20 to 35 mph with gusts to 55 mph
• Difficult travel for high profile vehicles

• Mixed precipitation. Total combined snow and sleet accumulations of 1 to 3 inches
• Ice accumulations of up to two tenths of an inch
• Plan on slippery road conditions

• Heavy snow. Total snow accumulations of 8 to 12 inches with 12 to 15 inches
• Maximum snowfall rates of 1 to 2 inches per hour are expected this morning into the early afternoon
• Travel will be very difficult to impossible. The hazardous conditions will impact morning and evening travel.

New Hampshire

• Heavy snow. Snow accumulations between 6 and 9 inches, with locally higher amounts of up to a foot
• The potential exists for snowbands that will bring periods of locally heavy snowfall, which will lead to rapid snow accumulations and extremely dangerous travel conditions
• Travel could be very difficult due to low visibility and snow covered roads

Massachusetts

• Heavy snow. Total snow accumulations of 8 to 12 inches. Some sleet could mix in this morning.
• 1 to 2 inch per hour snowfall rates will develop early this morning
• Snow will change to sleet later this morning near and south of the Massachusetts Turnpike
• Travel will be very difficult and treacherous
• A flash freeze is also expected late this afternoon and early this evening along the coast as
  above freezing temperatures fall back into the 20s

Connecticut & Rhode Island

• Heavy mixed precipitation. Total snow and sleet accumulations up to 7 inches
• Heavy snow changing to sleet with a bit of light freezing drizzle possible
• Ice accumulations of a light glaze to a tenth of an inch
• Maximum snowfall rates of 1 to 2 inches per hour are expected into this morning

Maine

• Heavy snow. Total snow accumulations of 5 to 9 inches expected
• Higher snow accumulation amounts of up to a foot in localized areas expected
• The potential exists for snowbands that will bring periods of locally heavy snowfall, which will lead to rapid snow accumulations and extremely dangerous travel conditions.
• Travel could be very difficult due to low visibility and snow covered roads.

Additional Flood Advisories scatter central and eastern US, including but not limited to: Missouri, Arkansas, Indiana, Illinois, Kentucky, Tennessee, Alabama, Mississippi, and Michigan