Helene (historical)
Interactive demo — Professional
This is a real storm detail page. Switch tiers below to see exactly what each plan unlocks — locked sections show an upgrade prompt instead.
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Basic Core storm tracking & advisories
Advanced Model guidance & satellite imagery
Professional Research tools & data export
Professional Full Reconnaissance
Aircraft reconnaissance, decoded
Vortex data messages and flight-level observations from NOAA and Air Force Reserve aircraft, decoded from NHC's public reconnaissance archive. These are measurements by the aircraft; NHC's advisory remains the official intensity.
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Latest mission: flight-level observations
From the mission's high-density observation messages (30-second averages; peaks are 10-second). Values the aircraft flagged as questionable are left out.
NHC Plan of the Day
Source: NOAA National Hurricane Center reconnaissance archive (vortex data messages, high-density observations, Plan of the Day).