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Hurricane Michael, Oct 9–11, 2018

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Hurricane Michael, Oct 9–11, 2018

Hurricane Michael, Oct 9–11, 2018

Chapter 1 · Approach

Michael closes on the Florida Panhandle.

The replay opens as Michael nears the US.

17:40UTC · Tue, Oct 9, 2018 · 12:40 PM CDT

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 · AL142018

Michael: the story

Oct 9, 17:40 UTC – Oct 11, 05:20 UTC · 45 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 140 links that show their evidence.

  • 742 NWS warnings
  • 504 storm reports
  • 7 FAA airport programs
  • 65 8-Ks naming Michael
  • 140 rule-based links
  • 215 radar frames, 10 min apart

Approach

Oct 9–10

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

Landfall

Oct 10

  1. Michael makes landfall near Mexico Beach and Tyndall Air Force Base, Florida as a category 5 hurricane (140 kt, 919 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane MichaelNHC best track (HURDAT2)

Inland

Oct 10–11

  1. First 8-K naming Michael.
    “Surgery Partners filed an 8-K on 2018-10-11 naming Hurricane Michael”
    Replay from hereWhy linked

Aftermath

Oct 11–Nov 15

  1. The replay window ends before the storm dissipates.Replay from here
  2. The aftermath: 64 8-Ks name Michael after the storm, the last on 2018-11-15.Replay from here

How we link records

RuleWhat it checksLinks
R4 solidA storm report inside a warning polygon while it was in effect74
R3 solidAn SEC 8-K that names the storm65
R2 dashedAn airport program inside a warning that had been in effect for over 60 min (context)1

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 9, 17:40 UTC – Oct 11, 05:20 UTC215
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetOct 9, 17:40 UTC – Oct 11, 05:20 UTC742
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetOct 9, 17:40 UTC – Oct 11, 05:20 UTC504
NHC advisories and best trackNOAA National Hurricane CenterOct 9, 17:40 UTC – Oct 11, 05:20 UTC45
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterOct 9, 17:40 UTC – Oct 11, 05:20 UTC7
SEC EDGAR 8-K filingsU.S. Securities and Exchange CommissionOct 9, 17:40 UTC – Oct 11, 05:20 UTC65
  • 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