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Solar activity report
Report of Solar-Geophysical Activity 2024 Nov 23 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 328 Issued at 2200Z on 23 Nov 2024IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M1 event observed at
23/1607Z from Region 3901 (S06W08). There are currently 10 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be moderate
with a slight chance for an X-class flare on days one, two, and three
(24 Nov, 25 Nov, 26 Nov).
IIA. Geophysical Activity Summary 22-2100Z to 23-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 445 km/s at 23/0049Z. Total IMF reached 9
nT at 23/1957Z. The maximum southward component of Bz reached -8 nT at
22/2104Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 134 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (24 Nov) and quiet levels
on days two and three (25 Nov, 26 Nov).
III. Event Probabilities 24 Nov to 26 Nov
| Class M | 60% | 60% | 60% |
| Class X | 15% | 15% | 15% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 23 Nov 200 Predicted 24 Nov-26 Nov 185/190/190 90 Day Mean 23 Nov 207
V. Geomagnetic A Indices
Observed Afr/Ap 22 Nov 010/008 Estimated Afr/Ap 23 Nov 009/010 Predicted Afr/Ap 24 Nov-26 Nov 007/008-005/005-006/005
VI. Geomagnetic Activity Probabilities 24 Nov to 26 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 10% | 10% |
| Minor storm | 10% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 20% | 20% |
| Major-severe storm | 35% | 20% | 15% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/24 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |