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Prediction for CME (2025-03-21T16:00:00-CME-001)CME Observed Time: 2025-03-21T16:00ZiSWAS Layout URL: https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/CME/37948/-1 CME Note: Faint halo CME with a bulk visible mainly to the SE in SOHO LASCO C2 and C3 imagery (more easily seen in difference imagery). There is no STEREO A COR2 imagery for this event due to a data gap. The source of this CME appears to be a large dimming region centered near N02E07 starting around 2025-03-21T15:49Z with a southeast directionality based on the minor EUV wave visible in SDO/AIA 211 and 193 imagery. There's a large coronal hole situated E/SE of the dimming region and a separate coronal hole due west of the dimming region which may have contributed to the deflection visible on the solar disk in SDO/AIA imagery. This source location appears to be a sympathetic eruption to the M1.2 flare from AR14028 (S17W33) seen to the SW in SDO/AIA 131 imagery. || Arrival: Characterized by an initially slow rise in Btotal from 7.12nT to 9.65nT at 2025-03-24T00:16Z, a shock up to 12.44nT at 2025-03-24T00:16Z, and further rise to a peak Btotal of 16.8nT at 2025-03-24T01:14Z. Bz was largely neutral with several periods of sustained southward values around -5 to -10 nT, reaching a peak -9.82 nT at 2025-03-24T01:21Z. Solar wind speed rose from around 360 km/s to 390 km/s, briefly dipped down to around 350 km/s, then rose to a peak of around 430 km/s. Density rose from around 6 p/cc to a peak of 35.3 p/cc at 2025-03-24T04:40Z. Temperature data did not respond much to this arrival signature, remaining largely level. This is likely the late arrival of CME 2025-03-21T16:00Z, anticipated to give Earth a glancing blow at 2025-03-23T07:30Z (+- 7 hours). CME Shock Arrival Time: 2025-03-23T23:30Z Observed Geomagnetic Storm Parameters due to CME: ---- Predicted Arrival Time: 2025-03-23T07:30Z (-7.0h, +7.0h) Predicted geomagnetic storm max Kp range due to CME: 5.0 - 7.0 Prediction Method: WSA-ENLIL + Cone (NASA M2M) Prediction Method Note: ## Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information ( CCMC DONKI ) ## Message Type: Space Weather Notification - CME (BepiColombo, Lucy, Mars, Europa Clipper, Solar Orbiter, Missions Near Earth) ## ## Message Issue Date: 2025-03-21T23:09:07Z ## Message ID: 20250321-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: O-type CME detected by SOHO. Start time of the event: 2025-03-21T16:00Z. Estimated speed: ~1990 km/s. Estimated opening half-angle: 19 deg. Direction (lon./lat.): -22/-24 in Heliocentric Earth Equatorial coordinates. Activity ID: 2025-03-21T16:00:00-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 this CME may affect BepiColombo, Lucy, Mars, Europa Clipper (glancing blow), and Solar Orbiter (glancing blow). The leading edge of the CME will reach BepiColombo at 2025-03-22T05:02Z, Lucy at 2025-03-24T19:34Z, Mars at 2025-03-24T21:26Z, and the flank of the CME may reach Europa Clipper at 2025-03-25T03:30Z, and Solar Orbiter at 2025-03-22T04:00Z (plus minus 7 hours). The simulation also indicates that the CME may have a glancing blow at NASA missions near Earth. Simulations indicate that the flank of the CME will reach NASA missions near Earth at about 2025-03-23T07:30Z (plus minus 7 hours). The roughly estimated expected range of the maximum Kp index is 5-7 (minor to strong). Links to the movies of the modeled event (includes CME: 2025-03-21T16:00:00-CME-001): http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_anim.tim-den.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_anim.tim-vel.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_timeline.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_Bepi_timeline.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_Lucy_timeline.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_Mars_timeline.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_SolO_timeline.gif http://iswa.gsfc.nasa.gov/downloads/20250321_173100_2.0_ENLIL_CONE_EuropaClippr_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 Community Coordinated Modeling Center Database Of Notifications, Knowledge, Information (CCMC DONKI) Disclaimer Data and/or information stored within the CCMC DONKI is provided "as is" without any warranty of any kind, either expressed, implied, or statutory, including, but not limited to, any warranty that the data and/or information will conform to specifications, any implied warranties of merchantability, fitness for a particular purpose, or freedom from infringement, any warranty that the information will be error free, or any warranty that documentation, if provided, will conform to the data and/or information. In no event shall the United States Government, or its contractors or subcontractors, be liable for any damages, including, but not limited to, direct, indirect, special or consequential damages, arising out of, resulting from, or in any way connected with this information, whether or not based upon warranty, contract, tort, or otherwise, whether or not injury was sustained by persons or property or otherwise, and whether or not loss was sustained from, or arose out of the results of, or use of, the data and/or information. The United States Government disclaims all warranties and liabilities regarding third party data and/or information, if present in the data and/or information generated and/or compiled by CCMC DONKI, and distributes it "as is". Use of data and/or information stored within the CCMC DONKI does not, in any manner, constitute an endorsement by NASA of any test results, resulting designs, hardware, or other matters. Use of data and/or information stored within the CCMC DONKI does not, in any manner, constitute the grant of a license to RECIPIENT under any NASA copyright, patent, patent application or other intellectual property. The terms of this disclaimer shall be construed, and the legal relations between the parties hereto shall be determined, in accordance with United States federal law. 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.Lead Time: 48.35 hour(s) Difference: 16.00 hour(s) Prediction submitted by Carina Alden (M2M SWAO) on 2025-03-21T23:09Z |
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