Viewing archive of Saturday, 10 December 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Dec 10 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 344 Issued at 2200Z on 10 Dec 2022IA. Analysis of Solar Active Regions and Activity from 09-2100Z to 10-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C5 event observed at
10/1044Z from Region 3163 (S20E64). There are currently 7 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a slight chance for an M-class flare on days one, two, and three (11
Dec, 12 Dec, 13 Dec).
IIA. Geophysical Activity Summary 09-2100Z to 10-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 558 km/s at 09/2144Z. Total IMF reached 8
nT at 10/1428Z. The maximum southward component of Bz reached -7 nT at
10/1647Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 163 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (11 Dec, 12 Dec, 13
Dec).
III. Event Probabilities 11 Dec to 13 Dec
| Class M | 20% | 20% | 20% |
| Class X | 01% | 01% | 01% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 10 Dec 142 Predicted 11 Dec-13 Dec 140/135/130 90 Day Mean 10 Dec 132
V. Geomagnetic A Indices
Observed Afr/Ap 09 Dec 009/009 Estimated Afr/Ap 10 Dec 008/008 Predicted Afr/Ap 11 Dec-13 Dec 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 11 Dec to 13 Dec
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 20% | 20% | 20% |
All times in UTC
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