Viewing archive of Sunday, 6 October 2024
Solar activity report
Report of Solar-Geophysical Activity 2024 Oct 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 280 Issued at 2200Z on 06 Oct 2024IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity has been at high levels for the past 24 hours.
The largest solar event of the period was a M2 event observed at
05/2320Z from Region 3842 (S14W35). There are currently 8 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be moderate
with a chance for X-class flares on days one, two, and three (07 Oct, 08
Oct, 09 Oct).
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 552 km/s at 06/1758Z. Total IMF reached 16
nT at 06/1417Z. The maximum southward component of Bz reached -12 nT at
06/1515Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 640 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at unsettled to minor storm levels on day one (07 Oct), quiet to
active levels on day two (08 Oct) and quiet levels on day three (09
Oct). Protons have a chance of crossing threshold on day one (07 Oct)
and have a chance of crossing threshold on days two and three (08 Oct,
09 Oct).
III. Event Probabilities 07 Oct to 09 Oct
| Class M | 75% | 75% | 75% |
| Class X | 30% | 25% | 25% |
| Proton | 30% | 25% | 25% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Oct 265 Predicted 07 Oct-09 Oct 265/260/255 90 Day Mean 06 Oct 222
V. Geomagnetic A Indices
Observed Afr/Ap 05 Oct 008/005 Estimated Afr/Ap 06 Oct 015/026 Predicted Afr/Ap 07 Oct-09 Oct 020/028-010/012-005/005
VI. Geomagnetic Activity Probabilities 07 Oct to 09 Oct
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 35% | 30% | 10% |
| Minor storm | 30% | 10% | 05% |
| Major-severe storm | 15% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 05% | 15% | 15% |
| Minor storm | 20% | 30% | 20% |
| Major-severe storm | 70% | 40% | 15% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/10/09 | X1.4 |
| Last M-flare | 2024/10/15 | M2.1 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| October 2024 | 156.3 +14.9 |
| Last 30 days | 148.8 -15.7 |