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: 2026-04-08 11:57
 - Time at C2: 2026-04-08 03:53
 - Radial speed: 431.0 km/s
 - Half angle: 33 deg
 - Eruption location: N39W143
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-08 12:06
 - Time at C2: 2026-04-08 00:15
 - Radial speed: 303.0 km/s
 - Half angle: 31 deg
 - Eruption location: S12E75
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-08 14:34
 - Time at C2: 2026-04-07 23:00
 - Radial speed: 343.0 km/s
 - Half angle: 28 deg
 - Eruption location: N57E65
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-08 16:10
 - Time at C2: 2026-04-08 07:24
 - Radial speed: 407.0 km/s
 - Half angle: 26 deg
 - Eruption location: N51W141
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-08 18:23
 - Time at C2: 2026-04-08 06:23
 - Radial speed: 308.0 km/s
 - Half angle: 25 deg
 - Eruption location: S04E93
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-09 10:59
 - Time at C2: 2026-04-09 01:00
 - Radial speed: 354.0 km/s
 - Half angle: 15 deg
 - Eruption location: S40W109
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-09 14:54
 - Time at C2: 2026-04-09 06:09
 - Radial speed: 388.0 km/s
 - Half angle: 16 deg
 - Eruption location: S05E42
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-10 01:47
 - Time at C2: 2026-04-09 17:09
 - Radial speed: 377.0 km/s
 - Half angle: 12 deg
 - Eruption location: S07E70
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-10 02:28
 - Time at C2: 2026-04-09 14:36
 - Radial speed: 298.0 km/s
 - Half angle: 14 deg
 - Eruption location: S20E70
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-10 09:54
 - Time at C2: 2026-04-10 06:09
 - Radial speed: 763.0 km/s
 - Half angle: 18 deg
 - Eruption location: S02W85
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-10 13:40
 - Time at C2: 2026-04-10 06:24
 - Radial speed: 460.0 km/s
 - Half angle: 19 deg
 - Eruption location: S13W83
 Inferences:
   - No flare association was found
 Predictions for Earth:
   - No shock

CME observed at 21.5 Rs: 2026-04-11 10:30
 - Time at C2: 2026-04-11 01:00
 - Radial speed: 309.0 km/s
 - Half angle: 10 deg
 - Eruption location: S38W65
 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: Sat Apr 11 13:12:25 CEST 2026