Viewing archive of Friday, 2 December 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Dec 02 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 336 Issued at 2200Z on 02 Dec 2022IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C8 event observed at
02/0920Z from Region 3156 (N25E63). There are currently 5 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (03 Dec, 04 Dec,
05 Dec).
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
The geomagnetic
field has been at unsettled to active levels for the past 24 hours.
Solar wind speed reached a peak of 1059 km/s at 02/0712Z. Total IMF
reached 5 nT at 02/0926Z. The maximum southward component of Bz reached
-4 nT at 02/0217Z. Electrons greater than 2 MeV at geosynchronous orbit
reached a peak level of 8776 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (03 Dec), quiet to unsettled
levels on day two (04 Dec) and quiet levels on day three (05 Dec).
III. Event Probabilities 03 Dec to 05 Dec
| Class M | 25% | 25% | 25% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 02 Dec 124 Predicted 03 Dec-05 Dec 125/130/130 90 Day Mean 02 Dec 131
V. Geomagnetic A Indices
Observed Afr/Ap 01 Dec 018/025 Estimated Afr/Ap 02 Dec 015/019 Predicted Afr/Ap 03 Dec-05 Dec 011/012-010/010-006/005
VI. Geomagnetic Activity Probabilities 03 Dec to 05 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 20% | 10% |
| Minor storm | 15% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 20% |
| Major-severe storm | 45% | 30% | 20% |
All times in UTC
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| Last M-flare | 2024/11/08 | M1.4 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
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| Monthly mean Sunspot Number | |
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