Product: Weekly Highlights and Forecasts
:Issued: 2024 Dec 16 0207 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact www.swpc.noaa.gov/content/subscription-services
#
# Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity 09 - 15 December 2024
Solar activity was at Low levels on 09 and 14 Dec, Moderate (R1-Minor) levels on 11-13, and 15 Dec, and High (R2-Moderate) levels on 10 Dec. Region 3922 (S18, L=292, class/area Cso/50 on 11
Dec) was responsible for the majority of the M-flare activity this period, producing seven total with the largest being an M6.3 flare at 10/0648 UTC. Region 3912 (S06, L=81, class/area Dai/220 on 09
Dec) added an M6.7, the largest flare of the period, at 11/1549 UTC. Region 3917 (S08, L=009, class/area Dkc/290 on 12 Dec) and Region 3920 (N23, L=330, class/area Eki/260 on 13 Dec) each added a couple of M-class flares as well. During the period there were a total of 106 C-class flares and 12 M-class flares. Multiple CMEs were observed in LASCO coronagraph imagery, with all front-sided events being deemed near-misses.
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels on 09-11 Dec and 13-15 Dec, and reached High levels on 12 Dec.
Geomagnetic field activity ranged from quiet to active levels during the period. Positive polarity CH HSS influence prompted conditions to reach active levels on 09 and 14 Dec, while mostly quiet to
unsettled conditions dominated 10-13 and 15 Dec.
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Forecast of Solar and Geomagnetic Activity 16 December - 11 January 2025
Solar activity is expected to be at low levels with an increasing chance for moderate (R1/R2-Minor/Moderate) levels and a slight chance for high (R3-high) levels as several magnetically complex
regions return the latter half of the period.
No proton events are expected at geosynchronous orbit, barring significant flare activity.
The greater than 2 MeV electron flux at geosynchronous orbit is expected to be low to moderate levels.
Geomagnetic field activity is expected to be mostly quiet for 16 Dec - 04 Jan with no recurrent coronal holes expected to return. Isolated unsettled to active periods are possible on 05-06 Jan with a recurrent CH HSS. A return to quiet levels is expected on 07-09 Jan before another recurrent CH is expected to move into a geoeffective position for 10-11 Jan. Isolated active to G1 (Minor) storm levels could be reached with any unforeseen CME activity.
Product: 27-day Space Weather Outlook Table 27DO.txt
:Issued: 2024 Dec 16 0207 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC web contact www.swpc.noaa.gov/content/subscription-services
#
# 27-day Space Weather Outlook Table
# Issued 2024-12-16
#
# UTC Radio Flux Planetary Largest
# Date 10.7 cm A Index Kp Index
2024 Dec 16 170 8 3
2024 Dec 17 165 5 2
2024 Dec 18 165 5 2
2024 Dec 19 170 5 2
2024 Dec 20 170 5 2
2024 Dec 21 175 5 2
2024 Dec 22 175 5 2
2024 Dec 23 180 5 2
2024 Dec 24 180 5 2
2024 Dec 25 180 5 2
2024 Dec 26 180 5 2
2024 Dec 27 180 5 2
2024 Dec 28 185 5 2
2024 Dec 29 185 5 2
2024 Dec 30 180 5 2
2024 Dec 31 180 5 2
2025 Jan 01 180 5 2
2025 Jan 02 180 5 2
2025 Jan 03 175 5 2
2025 Jan 04 175 5 2
2025 Jan 05 170 15 4
2025 Jan 06 170 8 3
2025 Jan 07 160 5 2
2025 Jan 08 160 5 2
2025 Jan 09 165 5 2
2025 Jan 10 170 12 4
2025 Jan 11 165 10 3
(NOAA)
