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Blizzard of January 3–5, 2018

1 of 2 · The storm's data
forty°seventy

Blizzard of January 3–5, 2018

Blizzard of January 3–5, 2018

Chapter 3 · At its deepest

The low bottoms out at 949 mb.

At 03:00 UTC Jan 5. The largest snow report, 22 inches near Plymouth, Maine, comes at 11:00 UTC.

11:00UTC · Fri, Jan 5, 2018 · 6:00 AM EST

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Replay of past events. For current weather and warnings, see weather.gov. Links are rule-based facts. About and credits

Replay · WS20180103

Blizzard of January 3–5, 2018: the story

Jan 3, 06:00 UTC – Jan 5, 12:00 UTC. Radar showing snow and rain, winter warnings, storm reports and the surface low's track from the Weather Prediction Center, in order. NCEI's Northeast Snowfall Impact Scale rates it Category 1, Notable (NESIS 2.27), and ranks it 65th on its list.

  • 101 NWS warnings
  • 3,188 storm reports
  • 11 WPC surface-low analyses
  • 4 FAA airport programs
  • 6 rule-based links
  • 325 radar frames, 10 min apart

First warnings

Jan 3

  1. NWS Wakefield, VA issues the first Blizzard Warning.Replay from here

The bomb

Jan 4

  1. The strongest wind reported: 77 mph at 7 SW Fishermans Island, VA.Replay from here
  2. Bombogenesis: the low's pressure has fallen 54 mb in 24 hours, to 950 mb.Replay from here

At its deepest

Jan 5

  1. The low is at its deepest: 949 mb.Replay from here
  2. The largest snow report: 22 in at 3 NE Plymouth, ME.Replay from here

How we link records

RuleWhat it checksLinks
R2 dashedAn airport program inside a warning that had been in effect for over 60 min (context)5
R1c solidA weather airport program inside a convective warning or watch, within 60 min of issuance1

Solid lines mark rules that passed an independent check; dashed lines are context. Links are rule-based facts: each shows two records that overlap in place and time. How we know

Where this storm's data comes from

Every layer, the provider behind it and the period it covers.

LayerProviderPeriodRecords
MRMS SeamlessHSRNOAA/NSSL via Iowa Environmental MesonetJan 3, 06:00 UTC – Jan 5, 12:00 UTC325
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetJan 3, 06:00 UTC – Jan 5, 12:00 UTC101
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetJan 3, 06:00 UTC – Jan 5, 12:00 UTC3,188
WPC coded surface bulletinsNOAA Weather Prediction Center via Iowa Environmental MesonetJan 3, 06:00 UTC – Jan 5, 12:00 UTC11
NOHRSC snowfallNOAA National Operational Hydrologic Remote Sensing CenterJan 3, 06:00 UTC – Jan 5, 12:00 UTC
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterJan 3, 06:00 UTC – Jan 5, 12:00 UTC4
  • Radar: NOAA/NSSL MRMS SeamlessHSR, via the Iowa Environmental Mesonet (IEM), Iowa State University
  • Warnings: NOAA/NWS, storm-based polygons via the Iowa Environmental Mesonet
  • Storm reports: NOAA/NWS Local Storm Reports via the Iowa Environmental Mesonet
  • Storm track: NOAA/NWS Weather Prediction Center coded surface bulletins, via the Iowa Environmental Mesonet
  • Airport programs: FAA Air Traffic Control System Command Center
  • Filings: U.S. Securities and Exchange Commission EDGAR
  • Snowfall: NOAA/NWS National Operational Hydrologic Remote Sensing Center (NOHRSC)