Loading the replay

Winter Storm of February 4–5, 2016

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

Winter Storm of February 4–5, 2016

Winter Storm of February 4–5, 2016

Chapter 4 · The bomb

The low bombs: 19 mb in 24 hours.

To 994 mb by 03:00 UTC Feb 6.

03:00UTC · Sat, Feb 6, 2016 · 10:00 PM EST Fri

Space play/pause · ←/→ 10 min · Enter opens a link

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

Replay · WS20160204

Winter Storm of February 4–5, 2016: the story

Feb 4, 23:00 UTC – Feb 6, 06:00 UTC. Radar showing snow and rain, winter warnings, storm reports and the surface low's track from the Weather Prediction Center, in order.

  • 14 NWS warnings
  • 1,187 storm reports
  • 8 WPC surface-low analyses
  • 9 FAA airport programs
  • 5 rule-based links
  • 187 radar frames, 10 min apart

The setup

Feb 4–5

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

Replay from here

First warnings

Feb 5

At 06:00 UTC Feb 5, from its office in Norton, Massachusetts.

Replay from here

The snow totals

Feb 5–6

  1. The largest snow report: 14.3 in at Coventry, CT.Replay from here

The bomb

Feb 6

  1. Bombogenesis: the low's pressure has fallen 19 mb in 24 hours, to 994 mb.Replay from here
  2. The low is at its deepest: 994 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)5

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 MesonetFeb 4, 23:00 UTC – Feb 6, 06:00 UTC187
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetFeb 4, 23:00 UTC – Feb 6, 06:00 UTC14
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetFeb 4, 23:00 UTC – Feb 6, 06:00 UTC1,187
WPC coded surface bulletinsNOAA Weather Prediction Center via Iowa Environmental MesonetFeb 4, 23:00 UTC – Feb 6, 06:00 UTC8
NOHRSC snowfallNOAA National Operational Hydrologic Remote Sensing CenterFeb 4, 23:00 UTC – Feb 6, 06:00 UTC
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterFeb 4, 23:00 UTC – Feb 6, 06:00 UTC9
  • 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)