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AF306 0406E 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) · 2026-07-27 02:38 – 12:18 UTC ·4 center fixes · archived observations, not a live position.
156°W 154°W 152°W 150°W 148°W 146°W 144°W 142°W 18°N 20°N 22°N Aircraft fix (observation), 2026-07-27 05:44 UTC Aircraft fix (observation), 2026-07-27 07:15 UTC Aircraft fix (observation), 2026-07-27 08:52 UTC Aircraft fix (observation), 2026-07-27 10:39 UTC Dropsonde (observation)
Time: 2026-07-27 03:44 UTC (splash)
Surface pressure: 1012 mb
Surface wind: 060° 15 kt Dropsonde (observation)
Time: 2026-07-27 05:19 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 305° 21 kt Dropsonde (observation)
Time: 2026-07-27 05:38 UTC (splash)
Surface pressure: 990 mb
Surface wind: 260° 42 kt Dropsonde (observation)
Time: 2026-07-27 05:47 UTC (splash)
Surface pressure: 986 mb
Surface wind: 140° 18 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-07-27 05:52 UTC (splash)
Surface pressure: 995 mb
Surface wind: 115° 69 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-07-27 06:53 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 045° 32 kt Dropsonde (observation)
Time: 2026-07-27 07:13 UTC (splash)
Surface pressure: 992 mb
Surface wind: 025° 38 kt Dropsonde (observation)
Time: 2026-07-27 07:19 UTC (splash)
Surface pressure: 990 mb
Surface wind: 170° 22 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-07-27 07:22 UTC (splash)
Surface pressure: 993 mb
Surface wind: 185° 39 kt Dropsonde (observation)
Time: 2026-07-27 07:52 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 155° 25 kt Dropsonde (observation)
Time: 2026-07-27 08:29 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 100° 36 kt Dropsonde (observation)
Time: 2026-07-27 08:49 UTC (splash)
Surface pressure: 999 mb
Surface wind: 095° 61 kt Dropsonde (observation)
Time: 2026-07-27 08:56 UTC (splash)
Surface pressure: 990 mb
Surface wind: 125° 24 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-07-27 08:59 UTC (splash)
Surface pressure: 990 mb
Surface wind: 195° 18 kt Dropsonde (observation)
Time: 2026-07-27 09:32 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 305° 14 kt Dropsonde (observation)
Time: 2026-07-27 10:11 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 165° 28 kt Dropsonde (observation)
Time: 2026-07-27 10:35 UTC (splash)
Surface pressure: 1000 mb
Surface wind: 165° 38 kt Dropsonde (observation)
Time: 2026-07-27 10:45 UTC (splash)
Surface pressure: 988 mb
Surface wind: 180° 25 kt Dropsonde (observation)
Time: 2026-07-27 11:13 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 035° 34 kt Flight-level wind: Ringed dots: center fixes (observations). Open circles: dropsonde splash points. Dashed: best track, ±12 h around the mission. Storm-relative view 25 nm 50 nm 100 nm 150 nm N NE SE SW NW Dropsonde (observation)
Time: 2026-07-27 05:19 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 305° 21 kt
Splash 95 nm at 228° (SW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 05:38 UTC (splash)
Surface pressure: 990 mb
Surface wind: 260° 42 kt
Splash 17 nm at 208° (SW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 05:47 UTC (splash)
Surface pressure: 986 mb
Surface wind: 140° 18 kt
Remark: Released at the center
Splash 1 nm at 337° (NW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 05:52 UTC (splash)
Surface pressure: 995 mb
Surface wind: 115° 69 kt
Remark: Released in the eyewall (045°)
Splash 19 nm at 044° (NE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 06:53 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 045° 32 kt
Splash 103 nm at 311° (NW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 07:13 UTC (splash)
Surface pressure: 992 mb
Surface wind: 025° 38 kt
Splash 22 nm at 290° (NW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 07:19 UTC (splash)
Surface pressure: 990 mb
Surface wind: 170° 22 kt
Remark: Released at the center
Splash 1 nm at 081° (NE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 07:22 UTC (splash)
Surface pressure: 993 mb
Surface wind: 185° 39 kt
Splash 12 nm at 115° (SE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 07:52 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 155° 25 kt
Splash 108 nm at 131° (SE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 08:29 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 100° 36 kt
Splash 94 nm at 039° (NE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 08:49 UTC (splash)
Surface pressure: 999 mb
Surface wind: 095° 61 kt
Splash 24 nm at 028° (NE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 08:56 UTC (splash)
Surface pressure: 990 mb
Surface wind: 125° 24 kt
Remark: Released at the center
Splash 1 nm at 052° (NE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 08:59 UTC (splash)
Surface pressure: 990 mb
Surface wind: 195° 18 kt
Splash 8 nm at 206° (SW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 09:32 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 305° 14 kt
Splash 109 nm at 218° (SW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 10:11 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 165° 28 kt
Splash 105 nm at 130° (SE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 10:35 UTC (splash)
Surface pressure: 1000 mb
Surface wind: 165° 38 kt
Splash 25 nm at 119° (SE) from the estimated center Dropsonde (observation)
Time: 2026-07-27 10:45 UTC (splash)
Surface pressure: 988 mb
Surface wind: 180° 25 kt
Splash 13 nm at 298° (NW) from the estimated center Dropsonde (observation)
Time: 2026-07-27 11:13 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 035° 34 kt
Splash 109 nm at 313° (NW) from the estimated center Pass 1: peak 10-s flight-level wind 47 kt, 29 nm at 222° (SW) from the estimated center, 05:31 UTC Pass 1: peak SFMR surface wind 31 kt, 27 nm at 220° (SW) from the estimated center, 05:31 UTC Pass 2: peak 10-s flight-level wind 81 kt, 24 nm at 052° (NE) from the estimated center, 05:50 UTC Pass 2: peak SFMR surface wind 64 kt, 15 nm at 056° (NE) from the estimated center, 05:48 UTC Pass 3: peak 10-s flight-level wind 74 kt, 30 nm at 039° (NE) from the estimated center, 08:43 UTC Pass 3: peak SFMR surface wind 53 kt, 22 nm at 038° (NE) from the estimated center, 08:46 UTC Pass 4: peak 10-s flight-level wind 50 kt, 22 nm at 129° (SE) from the estimated center, 10:32 UTC Pass 4: peak SFMR surface wind 33 kt, 36 nm at 124° (SE) from the estimated center, 10:27 UTC Pass 5: peak 10-s flight-level wind 84 kt, 15 nm at 301° (NW) from the estimated center, 10:42 UTC Pass 5: peak SFMR surface wind 41 kt, 39 nm at 311° (NW) from the estimated center, 10:49 UTC Observations 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 (05:02–05:39 UTC): flight-level RMW estimate 29 nm (distance of the peak 10-s flight-level wind, SW) — an estimate, not an analysis Pass 2 (05:39–07:15 UTC): flight-level RMW estimate 24 nm (distance of the peak 10-s flight-level wind, NE) — an estimate, not an analysis Pass 3 (07:15–08:52 UTC): flight-level RMW estimate 30 nm (distance of the peak 10-s flight-level wind, NE) — an estimate, not an analysis Pass 4 (08:52–10:39 UTC): flight-level RMW estimate 22 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis Pass 5 (10:39–11:20 UTC): flight-level RMW estimate 15 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:Extrapolated from flight level
SFMR surface wind and rain rate
Flight-level temperature and dewpoint
Aircraft pressure and geopotential height
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