Recon › Nolo
AF306 0615E 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) · 2026-09-26 21:50 – 09-27 05:29 UTC ·4 center fixes · archived observations, not a live position.
160°W 158°W 156°W 154°W 14°N 16°N 18°N 20°N 22°N Aircraft fix (observation), 2026-09-26 23:40 UTC Aircraft fix (observation), 2026-09-27 01:14 UTC Aircraft fix (observation), 2026-09-27 02:40 UTC Aircraft fix (observation), 2026-09-27 04:32 UTC Dropsonde (observation)
Time: 2026-09-26 23:10 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 025° 33 kt Dropsonde (observation)
Time: 2026-09-27 00:13 UTC (splash)
Surface pressure: 1004 mb
Surface wind: 180° 24 kt Dropsonde (observation)
Time: 2026-09-27 00:48 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 085° 27 kt Dropsonde (observation)
Time: 2026-09-27 01:13 UTC (splash)
Surface pressure: 980 mb
Surface wind: 095° 58 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-09-27 01:18 UTC (splash)
Surface pressure: 970 mb
Surface wind: 170° 9 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-27 01:21 UTC (splash)
Surface pressure: 976 mb
Surface wind: 295° 58 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-27 02:16 UTC (splash)
Surface pressure: 1003 mb
Surface wind: 200° 30 kt Dropsonde (observation)
Time: 2026-09-27 02:40 UTC (splash)
Surface pressure: 978 mb
Surface wind: 165° 69 kt
Remark: Released in the eyewall (135°) Dropsonde (observation)
Time: 2026-09-27 02:43 UTC (splash)
Surface pressure: 969 mb
Surface wind: 250° 6 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-27 02:49 UTC (splash)
Surface pressure: 976 mb
Surface wind: 005° 68 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-27 03:13 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 030° 30 kt Dropsonde (observation)
Time: 2026-09-27 04:05 UTC (splash)
Surface pressure: 1004 mb
Surface wind: 280° 19 kt Dropsonde (observation)
Time: 2026-09-27 04:31 UTC (splash)
Surface pressure: 975 mb
Surface wind: 260° 49 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-27 04:35 UTC (splash)
Surface pressure: 968 mb
Surface wind: 130° 4 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-27 04:38 UTC (splash)
Surface pressure: 977 mb
Surface wind: 105° 58 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-09-27 04:40 UTC (splash)
Surface pressure: 983 mb
Surface wind: 100° 51 kt Dropsonde (observation)
Time: 2026-09-27 05:06 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 075° 39 kt Dropsonde (observation)
Time: 2026-09-27 23:43 UTC (splash)
Surface pressure: 973 mb
Surface wind: 235° 11 kt
Remark: Released at the center 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: 2026-09-26 23:10 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 025° 33 kt
Splash 114 nm at 308° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 00:13 UTC (splash)
Surface pressure: 1004 mb
Surface wind: 180° 24 kt
Splash 104 nm at 132° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 00:48 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 085° 27 kt
Splash 97 nm at 043° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 01:13 UTC (splash)
Surface pressure: 980 mb
Surface wind: 095° 58 kt
Remark: Released in the eyewall (045°)
Splash 14 nm at 034° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 01:18 UTC (splash)
Surface pressure: 970 mb
Surface wind: 170° 9 kt
Remark: Released at the center
Splash 0 nm at 006° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 01:21 UTC (splash)
Surface pressure: 976 mb
Surface wind: 295° 58 kt
Remark: Released in the eyewall (225°)
Splash 15 nm at 215° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 02:16 UTC (splash)
Surface pressure: 1003 mb
Surface wind: 200° 30 kt
Splash 96 nm at 133° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 02:40 UTC (splash)
Surface pressure: 978 mb
Surface wind: 165° 69 kt
Remark: Released in the eyewall (135°)
Splash 12 nm at 090° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 02:43 UTC (splash)
Surface pressure: 969 mb
Surface wind: 250° 6 kt
Remark: Released at the center
Splash 1 nm at 081° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 02:49 UTC (splash)
Surface pressure: 976 mb
Surface wind: 005° 68 kt
Remark: Released in the eyewall (315°)
Splash 17 nm at 294° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 03:13 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 030° 30 kt
Splash 98 nm at 316° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 04:05 UTC (splash)
Surface pressure: 1004 mb
Surface wind: 280° 19 kt
Splash 110 nm at 223° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 04:31 UTC (splash)
Surface pressure: 975 mb
Surface wind: 260° 49 kt
Remark: Released in the eyewall (225°)
Splash 13 nm at 199° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-27 04:35 UTC (splash)
Surface pressure: 968 mb
Surface wind: 130° 4 kt
Remark: Released at the center
Splash 5 nm at 132° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 04:38 UTC (splash)
Surface pressure: 977 mb
Surface wind: 105° 58 kt
Remark: Released in the eyewall (045°)
Splash 12 nm at 046° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 04:40 UTC (splash)
Surface pressure: 983 mb
Surface wind: 100° 51 kt
Splash 18 nm at 045° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-27 05:06 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 075° 39 kt
Splash 105 nm at 048° (NE) from the estimated center Pass 1: peak 10-s flight-level wind 77 kt, 20 nm at 299° (NW) from the estimated center, 23:34 UTC Pass 2: peak 10-s flight-level wind 76 kt, 45 nm at 132° (SE) from the estimated center, 23:53 UTC Pass 3: peak 10-s flight-level wind 73 kt, 40 nm at 130° (SE) from the estimated center, 02:29 UTC Pass 4: peak 10-s flight-level wind 82 kt, 19 nm at 309° (NW) from the estimated center, 02:47 UTC Pass 5: peak 10-s flight-level wind 82 kt, 19 nm at 059° (NE) from the estimated center, 04:37 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 (22:58–23:40 UTC): flight-level RMW estimate 20 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis Pass 2 (23:40–01:14 UTC): flight-level RMW estimate 45 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis Pass 3 (01:14–02:40 UTC): flight-level RMW estimate 40 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis Pass 4 (02:40–04:32 UTC): flight-level RMW estimate 19 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis Pass 5 (04:32–05:20 UTC): flight-level RMW estimate 19 nm (distance of the peak 10-s flight-level wind, NE) — an estimate, not an analysis Observations along the flight From the HDOB messages, every 30 seconds. Gaps are missing values or missing messages. Shading: a rapid-intensification episode.
Extrapolated surface pressure and peak flight-level wind
Center fixes (observations), minimum sea-level pressure:
SFMR surface wind and rain rate
Flight-level temperature and dewpoint
Aircraft pressure and geopotential height
Back to Nolo's storm page