Predictions of shock arrival times at the Earth

This page shows the predictions triggered by the CMEs observed at 21.5 Rs. CME data was retrieved from the NASA's DONKI system during the last fours days.

CME observed at 21.5 Rs: 2025-11-07 12:25
 - Time at C2: 2025-11-07 07:23
 - Radial speed: 636.0 km/s
 - Half angle: 53 deg
 - Eruption location: N09W02
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - In-situ shock speed: 596.80 km/s
   - Shock arrival time: 2025-11-10 01:17 (i.e. predicted transit time: 65.90 hours)

CME observed at 21.5 Rs: 2025-11-07 12:50
 - Time at C2: 2025-11-07 07:23
 - Radial speed: 617.0 km/s
 - Half angle: 31 deg
 - Eruption location: N19E27
 Inferences:
   - Associated flare: M1.7 (N23E28). Peak at 2025-11-07 06:31
 Predictions for Earth:
   - In-situ shock speed: 621.01 km/s
   - Shock arrival time: 2025-11-09 22:30 (i.e. predicted transit time: 63.13 hours)

CME observed at 21.5 Rs: 2025-11-07 20:31
 - Time at C2: 2025-11-07 12:48
 - Radial speed: 464.0 km/s
 - Half angle: 29 deg
 - Eruption location: N66W05
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-08 03:42
 - Time at C2: 2025-11-07 12:53
 - Radial speed: 261.0 km/s
 - Half angle: 36 deg
 - Eruption location: N39E34
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-09 12:12
 - Time at C2: 2025-11-09 07:24
 - Radial speed: 734.0 km/s
 - Half angle: 45 deg
 - Eruption location: N18W02
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - In-situ shock speed: 626.20 km/s
   - Shock arrival time: 2025-11-11 21:58 (i.e. predicted transit time: 62.57 hours)

CME observed at 21.5 Rs: 2025-11-09 20:10
 - Time at C2: 2025-11-09 12:48
 - Radial speed: 470.0 km/s
 - Half angle: 15 deg
 - Eruption location: S58E12
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-09 20:32
 - Time at C2: 2025-11-09 13:48
 - Radial speed: 610.0 km/s
 - Half angle: 19 deg
 - Eruption location: S09W98
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-09 23:56
 - Time at C2: 2025-11-09 21:12
 - Radial speed: 975.0 km/s
 - Half angle: 10 deg
 - Eruption location: S04E156
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-10 02:23
 - Time at C2: 2025-11-09 13:25
 - Radial speed: 290.0 km/s
 - Half angle: 32 deg
 - Eruption location: N47W07
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-10 10:20
 - Time at C2: 2025-11-09 23:00
 - Radial speed: 291.0 km/s
 - Half angle: 15 deg
 - Eruption location: S37W53
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-10 10:49
 - Time at C2: 2025-11-10 00:48
 - Radial speed: 560.0 km/s
 - Half angle: 29 deg
 - Eruption location: N10W105
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-10 11:42
 - Time at C2: 2025-11-10 09:36
 - Radial speed: 1298.0 km/s
 - Half angle: 33 deg
 - Eruption location: N08W19
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - In-situ shock speed: 795.40 km/s
   - Shock arrival time: 2025-11-12 10:06 (i.e. predicted transit time: 48.52 hours)

CME observed at 21.5 Rs: 2025-11-10 12:24
 - Time at C2: 2025-11-10 09:36
 - Radial speed: 1196.0 km/s
 - Half angle: 56 deg
 - Eruption location: N08W11
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - In-situ shock speed: 764.80 km/s
   - Shock arrival time: 2025-11-12 12:10 (i.e. predicted transit time: 50.57 hours)

CME observed at 21.5 Rs: 2025-11-10 14:39
 - Time at C2: 2025-11-10 04:48
 - Radial speed: 365.0 km/s
 - Half angle: 16 deg
 - Eruption location: N09W114
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-10 18:35
 - Time at C2: 2025-11-10 13:08
 - Radial speed: 630.0 km/s
 - Half angle: 27 deg
 - Eruption location: N23W00
 Inferences:
   - Associated flare: C6.0 (N23W18). Peak at 2025-11-10 14:07
 Predictions for Earth:
   - In-situ shock speed: 445.40 km/s
   - Shock arrival time: 2025-11-13 10:13 (i.e. predicted transit time: 69.10 hours)

CME observed at 21.5 Rs: 2025-11-11 11:54
 - Time at C2: 2025-11-11 10:23
 - Radial speed: 1856.0 km/s
 - Half angle: 45 deg
 - Eruption location: N24W22
 Inferences:
   - Associated flare: X5.1 (N23W24). Peak at 2025-11-11 09:49
 Predictions for Earth:
   - In-situ shock speed: 914.12 km/s
   - Shock arrival time: 2025-11-13 04:20 (i.e. predicted transit time: 41.95 hours)

CME observed at 21.5 Rs: 2025-11-11 12:08
 - Time at C2: 2025-11-11 10:23
 - Radial speed: 1715.0 km/s
 - Half angle: 58 deg
 - Eruption location: N13W13
 Inferences:
   - Associated flare: X5.1 (N23W24). Peak at 2025-11-11 09:49
 Predictions for Earth:
   - In-situ shock speed: 896.33 km/s
   - Shock arrival time: 2025-11-13 05:12 (i.e. predicted transit time: 42.82 hours)

CME observed at 21.5 Rs: 2025-11-11 20:06
 - Time at C2: 2025-11-11 15:30
 - Radial speed: 584.0 km/s
 - Half angle: 19 deg
 - Eruption location: N55W22
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-12 01:57
 - Time at C2: 2025-11-11 17:00
 - Radial speed: 362.0 km/s
 - Half angle: 22 deg
 - Eruption location: N05W70
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2025-11-12 23:51
 - Time at C2: 2025-11-12 17:45
 - Radial speed: 529.0 km/s
 - Half angle: 15 deg
 - Eruption location: N48W53
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock


The model used for predicting the interplanetary shock propagation was SARM (Núñez et al., Space Weather, 2016).
Last update: Thu Nov 13 07:12:54 CET 2025