February 9, 2017 Blizzard

Blizzard of February 9, 2017

The Blizzard of February 9, 2017 was the 10th largest snowstorm on record (since 1984) in Islip, NY. 13 of the other 14 storms have occurred since 2003. According to the National Weather Service Islip recorded blizzard conditions for 7 hours and 23 minutes. See PNS statement for more details, and statistics from other locations.

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Link to NWS page for this event: http://www.weather.gov/okx/storm02092017

Total Snowfall Maps courtesy of the National Weather Service and WeatherBell.

WxBell NE Snowfall Map

NWS NE Snowfall Map

Upton Snowfall Map

Boston Snowfall Map

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Radar and Satellite loops and images of the storm. Radar images via NCAR.

Regional Radar Loop

OKX Base Reflectivity Radar Loop

IR and Visible loop

Mature Storm Satellite Loop

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The blizzard was a prolific producer of thundersnow. According to Matthew Cappucci (see here) a total of 120 cloud-to-ground lightning strikes occurred over Long Island and Southern New England in the cold sector of this storm.

(Image Credit: weatherbell.com)

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SPC Surface Map for 12z (7:00 am Eastern)

SPC Pressure Level Maps for 12z (7:00 am Eastern)

850mb 12z

700mb 12z

500mb 12z

300mb 12z

SPC's mesoanalysis showed sloping frontogenesis increasing in altitude from SE to NW around 5:00 am on February 9, 2017.

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Record high temperatures were set in many locations across the region on 2/8/17. Just 24 hours separate these 11 am observations.