Replay · AL062018
Florence: the story
Sep 12, 11:10 UTC – Sep 15, 23:20 UTC · 96 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 223 links that show their evidence.
- 866 NWS warnings
- 382 storm reports
- 30 FAA airport programs
- 84 8-Ks naming Florence
- 223 rule-based links
- 506 radar frames, 10 min apart
Chapter 1: Approach
Sep 12–13
- The replay opens as the storm nears the US.Replay from here
Chapter 2: Landfall
Sep 14
- Florence makes landfall near Wrightsville Beach, North Carolina as a category 1 hurricane (80 kt, 956 mb).Replay from hereNHC Tropical Cyclone Report: Hurricane FlorenceNHC best track (HURDAT2)
Chapter 3: The crawl
Sep 14–15
The replay window ends before the storm dissipates.
Chapter 4: Aftermath
Sep 15–Oct 30
- The replay window ends before the storm dissipates.Replay from here
- The aftermath: 82 8-Ks name Florence after the storm, the last on 2018-10-30.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 | 139 |
| R3 solid | An SEC 8-K that names the storm | 84 |
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, 11:10 UTC – Sep 15, 23:20 UTC | 506 |
| NWS storm-based warning polygons | NOAA National Weather Service via Iowa Environmental Mesonet | Sep 12, 11:10 UTC – Sep 15, 23:20 UTC | 866 |
| NWS Local Storm Reports | NOAA National Weather Service via Iowa Environmental Mesonet | Sep 12, 11:10 UTC – Sep 15, 23:20 UTC | 382 |
| NHC advisories and best track | NOAA National Hurricane Center | Sep 12, 11:10 UTC – Sep 15, 23:20 UTC | 96 |
| FAA airport programs (ground stops and ground delay programs) | FAA Air Traffic Control System Command Center | Sep 12, 11:10 UTC – Sep 15, 23:20 UTC | 30 |
| SEC EDGAR 8-K filings | U.S. Securities and Exchange Commission | Sep 12, 11:10 UTC – Sep 15, 23:20 UTC | 84 |
- 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
