Recon › Polo
NOAA2 0117E 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 .
NOAA2 (NOAA WP-3D) · 2026-09-21 13:54 – 21:45 UTC ·3 center fixes · archived observations, not a live position.
106°W 104°W 102°W 100°W 98°W 12°N 14°N 16°N 18°N 20°N 22°N 24°N 26°N Aircraft fix (observation), 2026-09-21 16:40 UTC Aircraft fix (observation), 2026-09-21 17:52 UTC Aircraft fix (observation), 2026-09-21 19:04 UTC Dropsonde (observation)
Time: 2026-09-21 16:18 UTC (splash)
Surface pressure: 1010 mb
Surface wind: 085° 14 kt Dropsonde (observation)
Time: 2026-09-21 16:29 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 075° 30 kt Dropsonde (observation)
Time: 2026-09-21 16:44 UTC (splash)
Surface pressure: 981 mb
Surface wind: 190° 41 kt Dropsonde (observation)
Time: 2026-09-21 16:48 UTC (splash)
Surface pressure: 998 mb
Surface wind: 270° 60 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-21 16:58 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 275° 39 kt Dropsonde (observation)
Time: 2026-09-21 17:12 UTC (splash)
Surface pressure: 1010 mb
Surface wind: 275° 18 kt Dropsonde (observation)
Time: 2026-09-21 17:36 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 230° 25 kt Dropsonde (observation)
Time: 2026-09-21 17:45 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 250° 35 kt Dropsonde (observation)
Time: 2026-09-21 17:51 UTC (splash)
Surface pressure: 997 mb
Surface wind: 210° 56 kt
Remark: Released in the eyewall (135°) Dropsonde (observation)
Time: 2026-09-21 17:56 UTC (splash)
Surface pressure: 980 mb
Surface wind: 315° 17 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-21 18:00 UTC (splash)
Surface pressure: 996 mb
Surface wind: 025° 61 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-21 18:09 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 035° 36 kt Dropsonde (observation)
Time: 2026-09-21 18:22 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 010° 20 kt Dropsonde (observation)
Time: 2026-09-21 18:45 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 315° 25 kt Dropsonde (observation)
Time: 2026-09-21 18:57 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 330° 33 kt Dropsonde (observation)
Time: 2026-09-21 19:08 UTC (splash)
Surface pressure: 977 mb
Surface wind: 120° 11 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-21 19:13 UTC (splash)
Surface pressure: 995 mb
Surface wind: 160° 54 kt
Remark: Released in the eyewall (090°) Dropsonde (observation)
Time: 2026-09-21 19:21 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 165° 25 kt Dropsonde (observation)
Time: 2026-09-21 19:33 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 135° 15 kt Flight-level wind: < 34 kt 34–49 kt 50–63 kt 64–82 kt 83–95 kt 96–112 kt 113+ kt 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: 2026-09-21 16:18 UTC (splash)
Surface pressure: 1010 mb
Surface wind: 085° 14 kt
Splash 109 nm at 024° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 16:29 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 075° 30 kt
Splash 60 nm at 022° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 16:44 UTC (splash)
Surface pressure: 981 mb
Surface wind: 190° 41 kt
Splash 1 nm at 053° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 16:48 UTC (splash)
Surface pressure: 998 mb
Surface wind: 270° 60 kt
Remark: Released in the eyewall (225°)
Splash 18 nm at 199° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 16:58 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 275° 39 kt
Splash 53 nm at 208° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 17:12 UTC (splash)
Surface pressure: 1010 mb
Surface wind: 275° 18 kt
Splash 108 nm at 208° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 17:36 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 230° 25 kt
Splash 83 nm at 146° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 17:45 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 250° 35 kt
Splash 48 nm at 143° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 17:51 UTC (splash)
Surface pressure: 997 mb
Surface wind: 210° 56 kt
Remark: Released in the eyewall (135°)
Splash 19 nm at 137° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 17:56 UTC (splash)
Surface pressure: 980 mb
Surface wind: 315° 17 kt
Remark: Released at the center
Splash 1 nm at 310° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 18:00 UTC (splash)
Surface pressure: 996 mb
Surface wind: 025° 61 kt
Remark: Released in the eyewall (315°)
Splash 18 nm at 317° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 18:09 UTC (splash)
Surface pressure: 1007 mb
Surface wind: 035° 36 kt
Splash 54 nm at 327° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 18:22 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 010° 20 kt
Splash 107 nm at 328° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 18:45 UTC (splash)
Surface pressure: 1009 mb
Surface wind: 315° 25 kt
Splash 95 nm at 270° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 18:57 UTC (splash)
Surface pressure: 1006 mb
Surface wind: 330° 33 kt
Splash 47 nm at 270° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-21 19:08 UTC (splash)
Surface pressure: 977 mb
Surface wind: 120° 11 kt
Remark: Released at the center
Splash 3 nm at 133° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 19:13 UTC (splash)
Surface pressure: 995 mb
Surface wind: 160° 54 kt
Remark: Released in the eyewall (090°)
Splash 22 nm at 084° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 19:21 UTC (splash)
Surface pressure: 1005 mb
Surface wind: 165° 25 kt
Splash 54 nm at 090° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-21 19:33 UTC (splash)
Surface pressure: 1008 mb
Surface wind: 135° 15 kt
Splash 104 nm at 090° (SE) from the estimated center Pass 1: peak 10-s flight-level wind 56 kt, 22 nm at 037° (NE) from the estimated center, 16:35 UTC Pass 2: peak 10-s flight-level wind 71 kt, 21 nm at 149° (SE) from the estimated center, 17:47 UTC Pass 3: peak 10-s flight-level wind 68 kt, 18 nm at 276° (NW) from the estimated center, 19:00 UTC Pass 4: peak 10-s flight-level wind 67 kt, 30 nm at 095° (SE) from the estimated center, 19:11 UTC Peak 10-s flight-level wind, per pass Dropsonde splash point Estimated 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 (15:59–16:40 UTC): flight-level RMW estimate 22 nm (distance of the peak 10-s flight-level wind, NE) — an estimate, not an analysis Pass 2 (16:40–17:53 UTC): flight-level RMW estimate 21 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis Pass 3 (17:53–19:04 UTC): flight-level RMW estimate 18 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis Pass 4 (19:04–19:48 UTC): flight-level RMW estimate 30 nm (distance of the peak 10-s flight-level wind, SE) — 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: Dropsonde-measuredExtrapolated from flight level
SFMR surface wind and rain rate
Flight-level temperature and dewpoint
Aircraft pressure and geopotential height
Back to Polo's storm page