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Winter Storm of November 14–16, 2018

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

Winter Storm of November 14–16, 2018

Winter Storm of November 14–16, 2018

Chapter 1 · The setup

The low first appears off northeastern Florida.

The replay opens with the first weather chart that shows it.

00:00UTC · Wed, Nov 14, 2018 · 7:00 PM EST Tue

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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 · WS20181114

Winter Storm of November 14–16, 2018: the story

Nov 14, 00:00 UTC – Nov 17, 11:00 UTC. Radar showing snow and rain, winter warnings, storm reports and the surface low's track from the Weather Prediction Center, in order.

  • 138 NWS warnings
  • 3,422 storm reports
  • 15 WPC surface-low analyses
  • 25 FAA airport programs
  • 27 rule-based links
  • 499 radar frames, 10 min apart

The setup

Nov 14–16

The replay opens with the first weather chart that shows it.

Replay from here

The wind

Nov 16

  1. The strongest wind reported: 64 mph at Wellfleet, MA.Replay from here

The bomb

Nov 16

  1. Bombogenesis: the low's pressure has fallen 18 mb in 24 hours, to 994 mb.Replay from here

The snow totals

Nov 16–17

  1. The largest snow report: 15.5 in at Warsaw, NY.Replay from here

At its deepest

Nov 17

  1. The low is at its deepest: 979 mb.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)16
R1c solidA weather airport program inside a convective warning or watch, within 60 min of issuance5
R1o dashedThe same, for other hazards such as floods6

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 MesonetNov 14, 00:00 UTC – Nov 17, 11:00 UTC499
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetNov 14, 00:00 UTC – Nov 17, 11:00 UTC138
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetNov 14, 00:00 UTC – Nov 17, 11:00 UTC3,422
WPC coded surface bulletinsNOAA Weather Prediction Center via Iowa Environmental MesonetNov 14, 00:00 UTC – Nov 17, 11:00 UTC15
NOHRSC snowfallNOAA National Operational Hydrologic Remote Sensing CenterNov 14, 00:00 UTC – Nov 17, 11:00 UTC
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterNov 14, 00:00 UTC – Nov 17, 11:00 UTC25
  • 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)