Replay · AL192020
Sally: the story
Sep 12, 01:00 UTC – Sep 17, 00:30 UTC · 45 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 260 links that show their evidence.
- 887 NWS warnings
- 399 storm reports
- 0 FAA airport programs
- 6 8-Ks naming Sally
- 260 rule-based links
- 718 radar frames, 10 min apart
Chapter 1: South Florida
Sep 12
- The replay opens as the storm nears the US.Replay from here
- Sally makes landfall near Cutler Bay, Florida as a tropical depression (30 kt, 1003 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane SallyNHC best track (HURDAT2)
Chapter 2: The Gulf
Sep 12–15
The replay follows Sally across the Gulf toward Alabama.
Chapter 3: Landfall
Sep 16
- Sally makes landfall Gulf Shores, Alabama as a category 2 hurricane (95 kt, 965 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane SallyNHC best track (HURDAT2)
Chapter 4: Inland
Sep 16–17
The replay window ends before the storm dissipates.
Chapter 5: Aftermath
Sep 17–Oct 27
- The replay window ends before the storm dissipates.Replay from here
- First 8-K naming Sally.
“FedNat Holding filed an 8-K on 2020-09-21 naming Hurricane Sally”
Replay from hereWhy linked - The aftermath: 6 8-Ks name Sally after the storm, the last on 2020-10-27.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 | 254 |
| R3 solid | An SEC 8-K that names the storm | 6 |
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 | Sep 12, 01:00 UTC – Sep 17, 00:30 UTC | 718 |
| NWS storm-based warning polygons | NOAA National Weather Service via Iowa Environmental Mesonet | Sep 12, 01:00 UTC – Sep 17, 00:30 UTC | 887 |
| NWS Local Storm Reports | NOAA National Weather Service via Iowa Environmental Mesonet | Sep 12, 01:00 UTC – Sep 17, 00:30 UTC | 399 |
| NHC advisories and best track | NOAA National Hurricane Center | Sep 12, 01:00 UTC – Sep 17, 00:30 UTC | 45 |
| SEC EDGAR 8-K filings | U.S. Securities and Exchange Commission | Sep 12, 01:00 UTC – Sep 17, 00:30 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
