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Hurricane Zeta, Oct 27–29, 2020

1 of 2 · The storm's data
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Hurricane Zeta, Oct 27–29, 2020

Hurricane Zeta, Oct 27–29, 2020

Chapter 2 · Landfall

Zeta comes ashore near Cocodrie.

A category 3 hurricane at 100 kt and 970 mb, on Oct 28 at 21:00 UTC.

21:00UTC · Wed, Oct 28, 2020 · 4:00 PM CDT

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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 · AL282020

Zeta: the story

Oct 27, 08:00 UTC – Oct 29, 22:00 UTC · 41 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 82 links that show their evidence.

  • 400 NWS warnings
  • 1,181 storm reports
  • 7 FAA airport programs
  • 6 8-Ks naming Zeta
  • 82 rule-based links
  • 373 radar frames, 10 min apart

Approach

Oct 27–28

  1. The replay opens as the storm nears the US.Replay from here

Landfall

Oct 28–29

  1. Zeta makes landfall near Cocodrie, Louisiana as a category 3 hurricane (100 kt, 970 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane ZetaNHC best track (HURDAT2)

Inland

Oct 29

The replay window ends before the storm dissipates.

Replay from here

Aftermath

Oct 29–Dec 7

  1. The replay window ends before the storm dissipates.Replay from here
  2. The aftermath: 5 8-Ks name Zeta after the storm, the last on 2020-12-07.Replay from here

How we link records

RuleWhat it checksLinks
R4 solidA storm report inside a warning polygon while it was in effect71
R3 solidAn SEC 8-K that names the storm6
R2 dashedAn airport program inside a warning that had been in effect for over 60 min (context)3
R5 dashedAn airport program inside the storm's own tropical watch or warning2

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 MesonetOct 27, 08:00 UTC – Oct 29, 22:00 UTC373
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetOct 27, 08:00 UTC – Oct 29, 22:00 UTC400
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetOct 27, 08:00 UTC – Oct 29, 22:00 UTC1,181
NHC advisories and best trackNOAA National Hurricane CenterOct 27, 08:00 UTC – Oct 29, 22:00 UTC41
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterOct 27, 08:00 UTC – Oct 29, 22:00 UTC7
SEC EDGAR 8-K filingsU.S. Securities and Exchange CommissionOct 27, 08:00 UTC – Oct 29, 22:00 UTC6
  • 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
  • Advisories and best track: NOAA/National Hurricane Center
  • Airport programs: FAA Air Traffic Control System Command Center
  • Filings: U.S. Securities and Exchange Commission EDGAR