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Hurricane Debby, Aug 2–10, 2024

1 of 2 · The storm's data
forty°seventy

Hurricane Debby, Aug 2–10, 2024

Hurricane Debby, Aug 2–10, 2024

Chapter 1 · Approach

The first advisory.

The replay opens on NHC's first advisory.

15:00UTC · Fri, Aug 2, 2024 · 11:00 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 · AL042024

Debby: the story

Aug 2, 15:00 UTC – Aug 10, 18:00 UTC · 51 NHC advisories. Radar, warnings, storm reports, ground stops and SEC filings, in order, with 2,049 links that show their evidence.

  • 4,758 NWS warnings
  • 3,297 storm reports
  • 145 FAA airport programs
  • 5 8-Ks naming Debby
  • 2,049 rule-based links
  • 300,771 customers out at the peak, in Florida
  • 1,171 radar frames, 10 min apart

Approach

Aug 2

  1. The replay opens on the first NHC advisory.Replay from here

Tampa

Aug 3–4

  1. TPA ground delay program.
    “TPA was inside the Tornado Watch; the ground delay program began 12 min before issuance”
    Replay from hereWhy linked

Florida's peak

Aug 5

  1. First 8-K naming Debby.
    “Alico Inc. filed an 8-K on 2024-08-05 naming Hurricane Debby”
    Replay from hereWhy linked
  2. Peak outages: 300,771 customers out of power in Florida. The most in one county: Pinellas County, FL, 49,200 out (14% of its customers) at 04:15 UTC.Replay from here

The long tail

Aug 6–10

The replay follows Debby until the storm dissipates.

Replay from here

Aftermath

Aug 10–Sep 5

  1. The replay window ends: the storm has dissipated.Replay from here
  2. The aftermath: 1 8-K names Debby after the storm, the last on 2024-09-05.Replay from here

How we link records

RuleWhat it checksLinks
R4 solidA storm report inside a warning polygon while it was in effect1,886
R3 solidAn SEC 8-K that names the storm5
R2 dashedAn airport program inside a warning that had been in effect for over 60 min (context)115
R5 dashedAn airport program inside the storm's own tropical watch or warning3
R1c solidA weather airport program inside a convective warning or watch, within 60 min of issuance29
R1o dashedThe same, for other hazards such as floods11

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 2, 15:00 UTC – Aug 10, 18:00 UTC1,171
NWS storm-based warning polygonsNOAA National Weather Service via Iowa Environmental MesonetAug 2, 15:00 UTC – Aug 10, 18:00 UTC4,758
NWS Local Storm ReportsNOAA National Weather Service via Iowa Environmental MesonetAug 2, 15:00 UTC – Aug 10, 18:00 UTC3,297
NHC advisories and best trackNOAA National Hurricane CenterAug 2, 15:00 UTC – Aug 10, 18:00 UTC51
FAA airport programs (ground stops and ground delay programs)FAA Air Traffic Control System Command CenterAug 2, 15:00 UTC – Aug 10, 18:00 UTC145
SEC EDGAR 8-K filingsU.S. Securities and Exchange CommissionAug 2, 15:00 UTC – Aug 10, 18:00 UTC5
ORNL EAGLE-IOak Ridge National LaboratoryAug 2, 15:00 UTC – Aug 10, 18:00 UTC966
  • 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
  • Power outages: Oak Ridge National Laboratory, EAGLE-I (CC BY 4.0)
  • County boundaries: U.S. Census Bureau