Viewing archive of Saturday, 3 December 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Dec 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 337 Issued at 2200Z on 03 Dec 2022IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z 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
03/1741Z. There are currently 4 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 (04 Dec, 05 Dec,
06 Dec).
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 656 km/s at 02/2114Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 17351 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (04 Dec) and quiet levels
on days two and three (05 Dec, 06 Dec).
III. Event Probabilities 04 Dec to 06 Dec
| Class M | 25% | 25% | 25% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 03 Dec 134 Predicted 04 Dec-06 Dec 135/130/130 90 Day Mean 03 Dec 131
V. Geomagnetic A Indices
Observed Afr/Ap 02 Dec 011/015 Estimated Afr/Ap 03 Dec 009/010 Predicted Afr/Ap 04 Dec-06 Dec 009/008-006/005-006/005
VI. Geomagnetic Activity Probabilities 04 Dec to 06 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 10% | 10% |
| Minor storm | 05% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 20% | 20% |
| Major-severe storm | 30% | 20% | 20% |
All times in UTC
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