This is an independent research/prototype tool, not an official source. Warnings, watches and the official forecast for this storm come from the National Hurricane Center.
AF306 (USAF Reserve WC-130J) · 2026-07-20 22:21 – 07-21 05:30 UTC ·4 center fixes · archived observations, not a live position.
Flight-level wind:< 34 kt34–49 kt50–63 kt64–82 kt83–95 kt96–112 kt113+ ktRinged dots: center fixes (observations). Open circles: dropsonde splash points. Dashed: best track, ±12 h around the mission.
Storm-relative view
Peak 10-s flight-level wind, per passDropsonde splash pointEstimated centerObservations relative to the estimated storm center (best track refined by this mission’s aircraft center fixes), north up, within 150 nm; not the best track. Track colored by flight-level wind, as on the map above.
Pass 1 (23:02–23:48 UTC): flight-level RMW estimate 132 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis
Pass 2 (23:48–01:13 UTC): flight-level RMW estimate 47 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis
Pass 3 (01:13–03:05 UTC): flight-level RMW estimate 46 nm (distance of the peak 10-s flight-level wind, SW) — an estimate, not an analysis
Pass 4 (03:05–04:42 UTC): flight-level RMW estimate 63 nm (distance of the peak 10-s flight-level wind, SW) — an estimate, not an analysis
Pass 5 (04:42–05:23 UTC): flight-level RMW estimate 122 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis
Observations along the flight
From the HDOB messages, every 30 seconds. Gaps are missing values or missing messages.
Extrapolated surface pressure and peak flight-level wind
Center fixes (observations), minimum sea-level pressure:Dropsonde-measuredExtrapolated from flight level
SFMR surface wind and rain rateFlight-level temperature and dewpointAircraft pressure and geopotential height