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7/29/2019 The February 2013 storm
1/10
Potential Historic Winter StormFebruary 8-9, 2013
Briefing Summary:
830 AM Thursday, February 7th, 2013
7/29/2019 The February 2013 storm
2/10
Overview High confidence across most of the region with 1 to 2
feet of snow accumulations expected A bit more uncertainty on Snow Accumulations for
Cape/Islands
Potential Impacts: Damaging Wind Gusts
Widespread Prolonged
Power Outages
Coastal Flooding
Potential for stranded
vehicles
7/29/2019 The February 2013 storm
3/10
Timingo Spotty Light Snow Develops early Friday morning
o No more than a dusting of snow expected for the Fridaymorning rush hour
o Snow becomes widespread during Friday afternoon
o Heavy snow overspreads the region from south to north
between 3 and 6 pm. Evening rush hour becomes
treacherous, with 1 to 2 inch per hour snow developing.
o Heavy snow along with blizzard conditions Fri night/Sat
morning. Travel not recommended with whiteout
conditions possible. 2 to 3 inch per hour snowfall rates.
7/29/2019 The February 2013 storm
4/10
SnowfallHigh confidence in 1 to 2
feet of snow across much ofsouthern New England.
Still some uncertainty as to
how much snow will fall on
the Cape and Islands with awintry mix or a changeover
to rain possible.
Best chance for higher
amounts will be along theI-95 Boston to Providence
corridor.
Latest Snowfall Forecast
7/29/2019 The February 2013 storm
5/10
SnowfallHighest probabilities: Northeastern Massachusetts
Experimental Snowfall Probability Forecasts
8 or Greater 12 or Greater
7/29/2019 The February 2013 storm
6/10
WindStrongest winds late Friday night into Sat afternoon
Significant damage is possible with gusts up to and inexcess of hurricane force (74mph) across Cape and
Islands. Downed trees and widespread power
outages are likely along the far southeast new
England Coast.
Blizzard Watches account for
high wind threat
Sustained winds early Saturday morning
Wind Gust potential Saturday Morning
7/29/2019 The February 2013 storm
7/10
Marine ImpactDangerous and Life Threatening storm for mariners!
Storm Force and Hurricane Wind Watches continue for all waters.
Strongest winds from Cape Cod Bay and Nantucket and points east.
Wind gusts of 55 to 65 kts. Up to Hurricane Force!
Seas between 25 and 30 feet.
Timing: The worst conditions with highest seas and strongest winds
occur late Friday night into Saturday afternoon.
Conditions will gradually improve Saturday night and Sunday, but gale
Force wind gusts still expected.
7/29/2019 The February 2013 storm
8/10
Coastal FloodingHigh Tides of concern east coastal MA:
Late evening Friday (9:30 to 10 pm)
Mid-morning Saturday (10 to 10:30 am)Minor to Moderate impact Friday evening:
- Surge 2 to 3 feet
- Seas just offshore 15 to 20 feet
Saturday mid morning high tide
- Boston northward: Moderate
- Surge around 2 feet
- Seas just offshore around 25 feet
- South of Boston: Moderate to Major
- Surge 2 to 3 feet (possibly 4 feet
north side of Cape)
- Seas just offshore around 30 feetPockets of minor flooding possible along the
south coast (confidence not as high)
7/29/2019 The February 2013 storm
9/10
SummaryPotential for a Historic Winter Storm and Blizzard
Summary:
Heavy Snow and blizzard conditions late Friday into
Saturday morning
Travel may become nearly impossible withblowing/drifting snow and near 0 Visibilities.
Moderate to perhaps a few pockets of major coastal
flooding Friday night/Sat AM High Tide Cycle
Winds to Hurricane Force across far Southeast NewEngland coast resulting in structural damage
Concern for Stranded Vehicles
7/29/2019 The February 2013 storm
10/10
Questions? Get the latest information at:
www.weather.gov/boston Area Forecast Discussion
Hazardous Weather Outlook
Call us: 508-823-2228
NWSChat Online https://nwschat.weather.gov
E-mail:[email protected]
http://www.weather.gov/bostonhttps://nwschat.weather.gov/https://nwschat.weather.gov/http://www.weather.gov/boston
