Recon › Lowell
NOAA3 0312E 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 .
NOAA3 (NOAA WP-3D) · 2026-09-04 21:58 – 09-05 03:14 UTC ·4 center fixes · archived observations, not a live position.
164°W 163°W 162°W 161°W 160°W 159°W 158°W 11°N 12°N 13°N 14°N 15°N 16°N 17°N Aircraft fix (observation), 2026-09-04 21:58 UTC Aircraft fix (observation), 2026-09-04 23:17 UTC Aircraft fix (observation), 2026-09-05 00:38 UTC Aircraft fix (observation), 2026-09-05 02:24 UTC Dropsonde (observation)
Time: 2026-09-04 21:37 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 030° 36 kt Dropsonde (observation)
Time: 2026-09-04 21:50 UTC (splash)
Surface pressure: 993 mb
Surface wind: 030° 45 kt Dropsonde (observation)
Time: 2026-09-04 21:56 UTC (splash)
Surface pressure: 969 mb
Surface wind: 010° 90 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-04 21:58 UTC (splash)
Surface pressure: 962 mb
Surface wind: 355° 84 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-04 21:58 UTC (splash)
Surface pressure: 947 mb
Surface wind: 000° 147 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-04 22:01 UTC (splash)
Surface pressure: 925 mb
Surface wind: 140° 16 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-04 22:05 UTC (splash)
Surface pressure: 951 mb
Surface wind: 175° 118 kt
Remark: Released in the eyewall (135°) Dropsonde (observation)
Time: 2026-09-04 22:15 UTC (splash)
Surface pressure: 994 mb
Surface wind: 215° 47 kt Dropsonde (observation)
Time: 2026-09-04 22:27 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 215° 36 kt Dropsonde (observation)
Time: 2026-09-04 22:54 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 145° 37 kt Dropsonde (observation)
Time: 2026-09-04 23:09 UTC (splash)
Surface pressure: 993 mb
Surface wind: 150° 55 kt Dropsonde (observation)
Time: 2026-09-04 23:17 UTC (splash)
Surface pressure: 948 mb
Surface wind: 135° 143 kt
Remark: Released in the eyewall (090°) Dropsonde (observation)
Time: 2026-09-04 23:17 UTC (splash)
Surface pressure: 936 mb
Surface wind: 135° 143 kt
Remark: Released in the eyewall (090°) Dropsonde (observation)
Time: 2026-09-04 23:20 UTC (splash)
Surface pressure: 925 mb
Surface wind: 165° 13 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-04 23:24 UTC (splash)
Surface pressure: 949 mb
Surface wind: 300° 124 kt
Remark: Released in the eyewall (270°) Dropsonde (observation)
Time: 2026-09-04 23:25 UTC (splash)
Surface pressure: 949 mb
Surface wind: 290° 114 kt
Remark: Released in the eyewall (270°) Dropsonde (observation)
Time: 2026-09-04 23:25 UTC (splash)
Surface pressure: 948 mb
Surface wind: 290° 127 kt
Remark: Released in the eyewall (270°) Dropsonde (observation)
Time: 2026-09-05 00:15 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 255° 28 kt Dropsonde (observation)
Time: 2026-09-05 00:26 UTC (splash)
Surface pressure: 995 mb
Surface wind: 260° 37 kt Dropsonde (observation)
Time: 2026-09-05 00:28 UTC (splash)
Surface pressure: 990 mb
Surface wind: 255° 48 kt Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 949 mb
Surface wind: 205° 118 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 947 mb
Surface wind: 205° 93 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-05 00:40 UTC (splash)
Surface pressure: 945 mb
Surface wind: 220° 104 kt
Remark: Released in the eyewall (225°) Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 922 mb
Surface wind: 195° 9 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-05 00:45 UTC (splash)
Surface pressure: 945 mb
Surface wind: 050° 119 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-09-05 00:44 UTC (splash)
Surface pressure: 952 mb
Surface wind: 070° 106 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-09-05 00:44 UTC (splash)
Surface pressure: 951 mb
Surface wind: 080° 87 kt
Remark: Released in the eyewall (045°) Dropsonde (observation)
Time: 2026-09-05 00:54 UTC (splash)
Surface pressure: 993 mb
Surface wind: 090° 60 kt Dropsonde (observation)
Time: 2026-09-05 01:06 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 095° 35 kt Dropsonde (observation)
Time: 2026-09-05 02:12 UTC (splash)
Surface pressure: 986 mb
Surface wind: 015° 63 kt Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 938 mb
Surface wind: 000° 110 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 942 mb
Surface wind: 350° 132 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 940 mb
Surface wind: 345° 122 kt
Remark: Released in the eyewall (315°) Dropsonde (observation)
Time: 2026-09-05 02:24 UTC (splash)
Surface pressure: 922 mb
Surface wind: 065° 19 kt
Remark: Released at the center Dropsonde (observation)
Time: 2026-09-05 23:34 UTC (splash)
Surface pressure: 992 mb
Surface wind: 330° 45 kt Dropsonde (observation)
Time: 2026-09-05 23:37 UTC (splash)
Surface pressure: 996 mb Dropsonde (observation)
Time: 2026-09-05 23:46 UTC (splash)
Surface pressure: 1000 mb
Surface wind: 325° 31 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: 2026-09-04 21:37 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 030° 36 kt
Splash 103 nm at 328° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 21:50 UTC (splash)
Surface pressure: 993 mb
Surface wind: 030° 45 kt
Splash 49 nm at 325° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 21:56 UTC (splash)
Surface pressure: 969 mb
Surface wind: 010° 90 kt
Remark: Released in the eyewall (315°)
Splash 21 nm at 312° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 21:58 UTC (splash)
Surface pressure: 962 mb
Surface wind: 355° 84 kt
Remark: Released in the eyewall (315°)
Splash 15 nm at 303° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 21:58 UTC (splash)
Surface pressure: 947 mb
Surface wind: 000° 147 kt
Remark: Released in the eyewall (315°)
Splash 12 nm at 301° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 22:01 UTC (splash)
Surface pressure: 925 mb
Surface wind: 140° 16 kt
Remark: Released at the center
Splash 1 nm at 090° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 22:05 UTC (splash)
Surface pressure: 951 mb
Surface wind: 175° 118 kt
Remark: Released in the eyewall (135°)
Splash 16 nm at 118° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 22:15 UTC (splash)
Surface pressure: 994 mb
Surface wind: 215° 47 kt
Splash 53 nm at 144° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 22:27 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 215° 36 kt
Splash 100 nm at 145° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 22:54 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 145° 37 kt
Splash 102 nm at 088° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:09 UTC (splash)
Surface pressure: 993 mb
Surface wind: 150° 55 kt
Splash 45 nm at 085° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:17 UTC (splash)
Surface pressure: 948 mb
Surface wind: 135° 143 kt
Remark: Released in the eyewall (090°)
Splash 13 nm at 056° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:17 UTC (splash)
Surface pressure: 936 mb
Surface wind: 135° 143 kt
Remark: Released in the eyewall (090°)
Splash 13 nm at 054° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:20 UTC (splash)
Surface pressure: 925 mb
Surface wind: 165° 13 kt
Remark: Released at the center
Splash 1 nm at 057° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:24 UTC (splash)
Surface pressure: 949 mb
Surface wind: 300° 124 kt
Remark: Released in the eyewall (270°)
Splash 14 nm at 231° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:25 UTC (splash)
Surface pressure: 949 mb
Surface wind: 290° 114 kt
Remark: Released in the eyewall (270°)
Splash 14 nm at 225° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-04 23:25 UTC (splash)
Surface pressure: 948 mb
Surface wind: 290° 127 kt
Remark: Released in the eyewall (270°)
Splash 14 nm at 229° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:15 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 255° 28 kt
Splash 113 nm at 208° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:26 UTC (splash)
Surface pressure: 995 mb
Surface wind: 260° 37 kt
Splash 63 nm at 206° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:28 UTC (splash)
Surface pressure: 990 mb
Surface wind: 255° 48 kt
Splash 52 nm at 205° (SW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 949 mb
Surface wind: 205° 118 kt
Remark: Released in the eyewall (225°)
Splash 12 nm at 152° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 947 mb
Surface wind: 205° 93 kt
Remark: Released in the eyewall (225°)
Splash 12 nm at 151° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:40 UTC (splash)
Surface pressure: 945 mb
Surface wind: 220° 104 kt
Remark: Released in the eyewall (225°)
Splash 13 nm at 162° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:41 UTC (splash)
Surface pressure: 922 mb
Surface wind: 195° 9 kt
Remark: Released at the center
Splash 1 nm at 058° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:45 UTC (splash)
Surface pressure: 945 mb
Surface wind: 050° 119 kt
Remark: Released in the eyewall (045°)
Splash 14 nm at 349° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:44 UTC (splash)
Surface pressure: 952 mb
Surface wind: 070° 106 kt
Remark: Released in the eyewall (045°)
Splash 14 nm at 358° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:44 UTC (splash)
Surface pressure: 951 mb
Surface wind: 080° 87 kt
Remark: Released in the eyewall (045°)
Splash 14 nm at 001° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 00:54 UTC (splash)
Surface pressure: 993 mb
Surface wind: 090° 60 kt
Splash 54 nm at 027° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 01:06 UTC (splash)
Surface pressure: 1001 mb
Surface wind: 095° 35 kt
Splash 103 nm at 031° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 02:12 UTC (splash)
Surface pressure: 986 mb
Surface wind: 015° 63 kt
Splash 40 nm at 313° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 938 mb
Surface wind: 000° 110 kt
Remark: Released in the eyewall (315°)
Splash 14 nm at 293° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 942 mb
Surface wind: 350° 132 kt
Remark: Released in the eyewall (315°)
Splash 14 nm at 293° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 02:22 UTC (splash)
Surface pressure: 940 mb
Surface wind: 345° 122 kt
Remark: Released in the eyewall (315°)
Splash 13 nm at 291° (NW) from the estimated center Dropsonde (observation)
Time: 2026-09-05 02:24 UTC (splash)
Surface pressure: 922 mb
Surface wind: 065° 19 kt
Remark: Released at the center
Splash 5 nm at 021° (NE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 23:34 UTC (splash)
Surface pressure: 992 mb
Surface wind: 330° 45 kt
Splash 83 nm at 107° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 23:37 UTC (splash)
Surface pressure: 996 mb
Splash 69 nm at 111° (SE) from the estimated center Dropsonde (observation)
Time: 2026-09-05 23:46 UTC (splash)
Surface pressure: 1000 mb
Surface wind: 325° 31 kt
Splash 41 nm at 136° (SE) from the estimated center Pass 1: peak 10-s flight-level wind 143 kt, 14 nm at 096° (SE) from the estimated center, 23:13 UTC Pass 2: peak 10-s flight-level wind 137 kt, 16 nm at 268° (SW) from the estimated center, 23:21 UTC Pass 3: peak 10-s flight-level wind 153 kt, 13 nm at 028° (NE) from the estimated center, 01:30 UTC Pass 4: peak 10-s flight-level wind 146 kt, 16 nm at 300° (NW) from the estimated center, 01:37 UTC Pass 5: peak 10-s flight-level wind 150 kt, 13 nm at 325° (NW) from the estimated center, 02:01 UTC Pass 6: peak 10-s flight-level wind 148 kt, 18 nm at 356° (NW) from the estimated center, 02:28 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 (22:55–23:17 UTC): flight-level RMW estimate 14 nm (distance of the peak 10-s flight-level wind, SE) — an estimate, not an analysis Pass 2 (23:17–00:38 UTC): flight-level RMW estimate 16 nm (distance of the peak 10-s flight-level wind, SW) — an estimate, not an analysis Pass 3 (00:38–01:33 UTC): flight-level RMW estimate 13 nm (distance of the peak 10-s flight-level wind, NE) — an estimate, not an analysis Pass 4 (01:33–01:57 UTC): flight-level RMW estimate 16 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis Pass 5 (01:57–02:24 UTC): flight-level RMW estimate 13 nm (distance of the peak 10-s flight-level wind, NW) — an estimate, not an analysis Pass 6 (02:24–03:00 UTC): flight-level RMW estimate 18 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. 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
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