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
Chapter 1: Approach
Aug 28–30
- The replay opens as the storm nears the US.Replay from here
Chapter 2: Landfall
Aug 30
- 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)
Chapter 3: Inland
Aug 30–31
The replay window ends before the storm dissipates.
Chapter 4: Aftermath
Aug 31–Oct 5
- The replay window ends before the storm dissipates.Replay from here
- First 8-K naming Idalia.
“Sun Communities filed an 8-K on 2023-09-07 naming Hurricane Idalia”
Replay from hereWhy linked - The aftermath: 6 8-Ks name Idalia after the storm, the last on 2023-10-05.Replay from here
How we link records
| Rule | What it checks | Links |
|---|---|---|
| R4 solid | A storm report inside a warning polygon while it was in effect | 390 |
| R3 solid | An SEC 8-K that names the storm | 6 |
| R2 dashed | An airport program inside a warning that had been in effect for over 60 min (context) | 2 |
| R1c solid | A weather airport program inside a convective warning or watch, within 60 min of issuance | 4 |
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.
| Layer | Provider | Period | Records |
|---|---|---|---|
| MRMS SeamlessHSR | NOAA/NSSL via Iowa Environmental Mesonet | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 506 |
| NWS storm-based warning polygons | NOAA National Weather Service via Iowa Environmental Mesonet | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 1,399 |
| NWS Local Storm Reports | NOAA National Weather Service via Iowa Environmental Mesonet | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 1,277 |
| NHC advisories and best track | NOAA National Hurricane Center | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 56 |
| FAA airport programs (ground stops and ground delay programs) | FAA Air Traffic Control System Command Center | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 21 |
| SEC EDGAR 8-K filings | U.S. Securities and Exchange Commission | Aug 28, 11:40 UTC – Aug 31, 23:50 UTC | 6 |
- 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
