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AF307 0902A

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.

AF307 (USAF Reserve WC-130J) · 2026-07-21 22:22 – 07-22 00:31 UTC ·1 center fix · archived observations, not a live position.

90°W89°W88°W87°W86°W85°W27°N28°N29°N30°N31°NAircraft fix (observation), 2026-07-21 23:19 UTCDropsonde (observation) Time: 2026-07-21 23:00 UTC (splash) Surface pressure: 1006 mb Surface wind: 030° 30 ktDropsonde (observation) Time: 2026-07-21 23:21 UTC (splash) Surface pressure: 997 mb Surface wind: 295° 8 kt Remark: Released at the centerDropsonde (observation) Time: 2026-07-21 23:28 UTC (splash) Surface pressure: 1001 mb Surface wind: 185° 49 ktDropsonde (observation) Time: 2026-07-22 23:55 UTC (splash) Surface pressure: 1008 mb Surface wind: 200° 31 kt
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

25 nm50 nm100 nm150 nmNNESESWNWDropsonde (observation) Time: 2026-07-21 23:00 UTC (splash) Surface pressure: 1006 mb Surface wind: 030° 30 kt Splash 66 nm at 304° (NW) from the estimated centerDropsonde (observation) Time: 2026-07-21 23:21 UTC (splash) Surface pressure: 997 mb Surface wind: 295° 8 kt Remark: Released at the center Splash 10 nm at 184° (SW) from the estimated centerDropsonde (observation) Time: 2026-07-21 23:28 UTC (splash) Surface pressure: 1001 mb Surface wind: 185° 49 kt Splash 28 nm at 148° (SE) from the estimated centerPass 1: peak 10-s flight-level wind 32 kt, 77 nm at 306° (NW) from the estimated center, 22:56 UTCPass 1: peak SFMR surface wind 33 kt, 36 nm at 302° (NW) from the estimated center, 23:08 UTCPass 2: peak 10-s flight-level wind 51 kt, 64 nm at 106° (SE) from the estimated center, 00:11 UTCPass 2: peak SFMR surface wind 46 kt, 31 nm at 150° (SE) from the estimated center, 23:27 UTCPass 3: peak 10-s flight-level wind 36 kt, 22 nm at 343° (NW) from the estimated center, 00:29 UTC
Peak 10-s flight-level wind, per passPeak SFMR surface 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.

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-measured

SFMR surface wind and rain rate
Flight-level temperature and dewpoint
Aircraft pressure and geopotential height

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