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Hurricane Idalia, Aug 28–31, 2023

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Hurricane Idalia, Aug 28–31, 2023

Hurricane Idalia, Aug 28–31, 2023

Chapter 1 · Approach

Idalia heads for Florida's Big Bend.

The replay opens as Idalia nears the US.

11:40UTC · Mon, Aug 28, 2023 · 7:40 AM EDT

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 · AL102023

Idalia: the story

Aug 28, 11:40 UTC – Aug 31, 23:50 UTC · 56 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 402 links that show their evidence.

  • 1,399 NWS warnings
  • 1,277 storm reports
  • 21 FAA airport programs
  • 6 8-Ks naming Idalia
  • 402 rule-based links
  • 506 radar frames, 10 min apart

Approach

Aug 28–30

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

Landfall

Aug 30

  1. Idalia makes landfall near Keaton Beach, Florida as a category 3 hurricane (100 kt, 950 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane IdaliaNHC best track (HURDAT2)

Inland

Aug 30–31

The replay window ends before the storm dissipates.

Replay from here

Aftermath

Aug 31–Oct 5

  1. The replay window ends before the storm dissipates.Replay from here
  2. First 8-K naming Idalia.
    “Sun Communities filed an 8-K on 2023-09-07 naming Hurricane Idalia”
    Replay from hereWhy linked
  3. The aftermath: 6 8-Ks name Idalia after the storm, the last on 2023-10-05.Replay from here

How we link records

RuleWhat it checksLinks
R4 solidA storm report inside a warning polygon while it was in effect390
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)2
R1c solidA weather airport program inside a convective warning or watch, within 60 min of issuance4

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 MesonetAug 28, 11:40 UTC – Aug 31, 23:50 UTC506
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetAug 28, 11:40 UTC – Aug 31, 23:50 UTC1,399
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetAug 28, 11:40 UTC – Aug 31, 23:50 UTC1,277
NHC advisories and best trackNOAA National Hurricane CenterAug 28, 11:40 UTC – Aug 31, 23:50 UTC56
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterAug 28, 11:40 UTC – Aug 31, 23:50 UTC21
SEC EDGAR 8-K filingsU.S. Securities and Exchange CommissionAug 28, 11:40 UTC – Aug 31, 23:50 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