Message ID: 20250812-AL-004
Issue Time: 2025-08-12T19:37Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juice)
##
## Message Issue Date: 2025-08-12T19:37:50Z
## Message ID: 20250812-AL-004
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-12T13:25Z.
Estimated speed: ~520 km/s.
Estimated opening half-angle: 10 deg.
Direction (lon./lat.): 98/-1 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-12T13:25:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juice (glancing blow). The leading edge of the CME will reach Juice at 2025-08-14T15:00Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-12T13:25:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250812_193900_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_193900_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_193900_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_193900_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
This CME event (2025-08-12T13:25:00-CME-001) is associated with C6.1 flare from Active Region 14168 (N05W98) with ID 2025-08-12T12:03:00-FLR-001 which peaked at 2025-08-12T12:18Z.
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250812-AL-003
Issue Time: 2025-08-12T13:46Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - Continued Radiation Belt Enhancement
##
## Message Issue Date: 2025-08-12T13:46:36Z
## Message ID: 20250812-AL-003
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
Significantly elevated energetic electron fluxes in the Earth's outer radiation belt. GOES "greater than 2.0 MeV" integral electron flux remains elevated, recently crossing the threshold of 1000 pfu at 2025-08-12T11:20Z.
The elevated energetic electron flux levels observed since 2025-08-10T11:45Z (see notifications 20250810-AL-001 and 20250810-AL-002) are caused by the arrival of a coronal hole high speed stream starting on 2025-08-08, reaching a maximum speed of approximately 610 km/s, and the arrival of the CME with ID 2025-08-05T16:48:00-CME-001. The arrival of this CME was detected at L1 by ACE at 2025-08-08T23:46Z (see notification 20250808-AL-002). The arrival of this coronal hole high speed stream and the arrival of this CME are also associated with geomagnetic storm with ID 2025-08-09T15:00:00-GST-001 (see notifications 20250809-AL-005 and 20250809-AL-006). The solar wind speed observed at L1 is currently around 600 km/s.
NASA spacecraft at GEO, MEO and other orbits passing through or in the vicinity of the Earth's outer radiation belt can be impacted.
Activity ID: 2025-08-10T11:45:00-RBE-001.
## Notes:
URL: View Details
Message ID: 20250812-AL-002
Issue Time: 2025-08-12T13:41Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juice)
##
## Message Issue Date: 2025-08-12T13:41:28Z
## Message ID: 20250812-AL-002
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by GOES / STEREO A.
Start time of the event: 2025-08-12T01:45Z.
Estimated speed: ~876 km/s.
Estimated opening half-angle: 10 deg.
Direction (lon./lat.): 90/4 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-12T01:45:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juice. The leading edge of the CME will reach Juice at 2025-08-13T21:53Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-12T01:45:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250812_052600_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_052600_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_052600_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250812_052600_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250812-AL-001
Issue Time: 2025-08-12T00:57Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juice)
##
## Message Issue Date: 2025-08-12T00:57:41Z
## Message ID: 20250812-AL-001
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-11T16:48Z.
Estimated speed: ~556 km/s.
Estimated opening half-angle: 19 deg.
Direction (lon./lat.): 94/-7 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-11T16:48:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juice. The leading edge of the CME may reach Juice at 2025-08-13T18:43Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-11T16:48:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250811_231900_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_231900_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_231900_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_231900_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
This CME event (2025-08-11T16:48:00-CME-001) is associated with M1.6 flare from Active Region 14168 (N05W90) with ID 2025-08-11T15:18:00-FLR-001 which peaked at 2025-08-11T15:36Z.
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250811-AL-004
Issue Time: 2025-08-11T22:23Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Solar Orbiter)
##
## Message Issue Date: 2025-08-11T22:23:47Z
## Message ID: 20250811-AL-004
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-11T09:53Z.
Estimated speed: ~728 km/s.
Estimated opening half-angle: 32 deg.
Direction (lon./lat.): 155/-49 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-11T09:53:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Solar Orbiter (glancing blow). The flank of the CME may reach Solar Orbiter at 2025-08-13T05:00Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-11T09:53:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250811_150900_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_150900_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_150900_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_150900_2.0_ENLIL_CONE_SolO_timeline.gif
## Notes:
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250811-AL-003
Issue Time: 2025-08-11T20:38Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Psyche)
##
## Message Issue Date: 2025-08-11T20:38:40Z
## Message ID: 20250811-AL-003
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-11T05:12Z.
Estimated speed: ~989 km/s.
Estimated opening half-angle: 10 deg.
Direction (lon./lat.): -61/-9 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-11T05:12:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Psyche (glancing blow). The flank of the CME may reach Psyche at 2025-08-17T20:00Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-11T05:12:00-CME-001):
(a) 2 AU outer boundary
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_2.0_ENLIL_CONE_timeline.gif
(b) 5.5 AU outer boundary
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_5.5_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_5.5_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_084200_5.5_ENLIL_CONE_Psyche_timeline.gif
## Notes:
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250811-AL-002
Issue Time: 2025-08-11T14:50Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juice)
##
## Message Issue Date: 2025-08-11T14:50:57Z
## Message ID: 20250811-AL-002
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-11T05:00Z.
Estimated speed: ~576 km/s.
Estimated opening half-angle: 26 deg.
Direction (lon./lat.): 118/-18 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-11T05:00:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juice (glancing blow). The flank of the CME may reach Juice at 2025-08-13T08:00Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-11T05:00:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250811_111400_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_111400_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_111400_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_111400_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250811-AL-001
Issue Time: 2025-08-11T03:08Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juice)
##
## Message Issue Date: 2025-08-11T03:08:02Z
## Message ID: 20250811-AL-001
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / GOES / SOHO.
Start time of the event: 2025-08-10T23:48Z.
Estimated speed: ~648 km/s.
Estimated opening half-angle: 27 deg.
Direction (lon./lat.): 109/-31 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-10T23:48:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juice (minor impact). The flank of the CME will reach Juice at 2025-08-13T03:00Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-10T23:48:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250811_050500_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_050500_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_050500_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250811_050500_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250810-AL-005
Issue Time: 2025-08-10T19:50Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (Juno, BepiColombo, Juice, STEREO A)
##
## Message Issue Date: 2025-08-10T19:50:55Z
## Message ID: 20250810-AL-005
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / SOHO.
Start time of the event: 2025-08-10T15:24Z.
Estimated speed: ~741 km/s.
Estimated opening half-angle: 38 deg.
Direction (lon./lat.): 76/11 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-10T15:24:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact Juno (glancing blow), BepiColombo, Juice, and STEREO A. The flank of the CME will reach Juno at 2025-08-28T00:00Z and the leading edge will reach BepiColombo at 2025-08-11T11:19Z, Juice at 2025-08-12T11:23Z, and STEREO A at 2025-08-12T19:39Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-10T15:24:00-CME-001):
(a) 2 AU outer boundary
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-den-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-vel-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_STA_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_Bepi_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_Juice_timeline.gif
(b) 5.5 AU outer boundary
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_5.5_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_5.5_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_5.5_ENLIL_CONE_Juno_timeline.gif
## Notes:
This CME event (2025-08-10T15:24:00-CME-001) is associated with M2.2 flare from Active Region 14168 (N05W75) with ID 2025-08-10T14:57:00-FLR-001 which peaked at 2025-08-10T15:07Z.
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250810-AL-004
Issue Time: 2025-08-10T18:58Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - CME (BepiColombo, Juice, STEREO A)
##
## Message Issue Date: 2025-08-10T18:58:59Z
## Message ID: 20250810-AL-004
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
C-type CME detected by STEREO A / SOHO.
Start time of the event: 2025-08-10T15:24Z.
Estimated speed: ~741 km/s.
Estimated opening half-angle: 38 deg.
Direction (lon./lat.): 76/11 in Heliocentric Earth Equatorial coordinates.
Activity ID: 2025-08-10T15:24:00-CME-001
Based on preliminary analysis by the Moon to Mars Space Weather Analysis Office and heliospheric modeling carried out at NASA Community Coordinated Modeling Center, it is estimated that the CME may impact BepiColombo, Juice, and STEREO A. The leading edge of the CME will reach BepiColombo at 2025-08-11T11:19Z, Juice at 2025-08-12T11:23Z, and STEREO A at 2025-08-12T19:39Z (plus minus 7 hours).
Links to the movies of the modeled event (includes CME: 2025-08-10T15:24:00-CME-001):
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-den.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-vel.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-den-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_anim.tim-vel-Stereo_A.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_STA_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_Bepi_timeline.gif
http://iswa.gsfc.nasa.gov/downloads/20250810_200800_2.0_ENLIL_CONE_Juice_timeline.gif
## Notes:
This CME event (2025-08-10T15:24:00-CME-001) is associated with M2.2 flare from Active Region 14168 (N05W75) with ID 2025-08-10T14:57:00-FLR-001 which peaked at 2025-08-10T15:07Z.
SCORE CME typification system:
S-type: CMEs with speeds less than 500 km/s
C-type: Common 500-999 km/s
O-type: Occasional 1000-1999 km/s
R-type: Rare 2000-2999 km/s
ER-type: Extremely Rare >3000 km/s
URL: View Details
GIFs:
Message ID: 20250810-AL-003
Issue Time: 2025-08-10T15:58Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - SEP Prediction
##
## Message Issue Date: 2025-08-10T15:58:42Z
## Message ID: 20250810-AL-003
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
olar energetic particle event forecasted near L1 orbit by the HESPERIA RELeASE model starting at 2025-08-10T16:25Z. The flux of one or more of the >15.8 MeV protons channels may exceed 10^(-1) pfu/MeV within the next few hours.
NASA spacecraft at the orbits NASA spacecraft at the L1 and near-Earth orbits can be impacted.
Activity ID: 2025-08-10T16:25:00-SEP-001.
## Notes:
This SEP prediction (2025-08-10T16:25:00-SEP-001) is associated with M2.2 flare from Active Region 14168 (N05W75) with ID 2025-08-10T14:57:00-FLR-001 which peaked at 2025-08-10T15:07Z.
URL: View Details
Message ID: 20250810-AL-002
Issue Time: 2025-08-10T12:49Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Space Weather Notification - Radiation Belt Enhancement
##
## Message Issue Date: 2025-08-10T12:49:27Z
## Message ID: 20250810-AL-002
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
Significantly elevated energetic electron fluxes in the Earth's outer radiation belt. GOES "greater than 2.0 MeV" integral electron flux is above 1000 pfu starting at 2025-08-10T11:45Z.
The elevated energetic electron flux levels are likely caused by the combined arrival of a coronal hole high speed stream starting at 2025-08-08, reaching a maximum speed of 620 km/s, and the arrival of the CME with ID 2025-08-05T16:48:00-CME-001. The arrival of this CME was likely detected by L1 by ACE at 2025-08-08T06:30Z, leading to a moderate geomagnetic storm with ID 2025-08-09T15:00:00-GST-001 (see notifications 20250805-AL-001, 20250807-AL-001, 20250809-AL-005, and 20250809-AL-006).
NASA spacecraft at GEO, MEO and other orbits passing through or in the vicinity of the Earth's outer radiation belt can be impacted.
Activity ID: 2025-08-10T11:45:00-RBE-001.
## Notes:
URL: View Details
Message ID: 20250810-AL-001
Issue Time: 2025-08-10T11:54Z
Message Body: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI )
## Message Type: Auto-generated Space Weather Notification - Radiation Belt Enhancement
##
## Message Issue Date: 2025-08-10T11:54:10Z
## Message ID: 20250810-AL-001
##
## Disclaimer: NOAA's Space Weather Prediction Center is the United States Government official source for space weather forecasts. This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.
## Summary:
Significantly elevated energetic electron fluxes in the Earth's outer radiation belt. GOES "greater than 2.0 MeV" integral electron flux is above 1000 pfu starting at 2025-08-10T11:45Z.
NASA spacecraft at GEO, MEO and other orbits passing through or in the vicinity of the Earth's outer radiation belt can be impacted.
Activity ID: 2025-08-10T11:45:00-RBE-001.
## Notes:
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