Viewing archive of Monday, 6 February 2023
Solar activity report
Report of Solar-Geophysical Activity 2023 Feb 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 37 Issued at 2200Z on 06 Feb 2023IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C7 event observed at
06/1212Z from Region 3211 (S17W57). There are currently 9 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 (07
Feb, 08 Feb, 09 Feb).
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 521 km/s at 06/2008Z. Total IMF reached 13
nT at 06/0532Z. The maximum southward component of Bz reached -11 nT at
06/0459Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 143 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (07 Feb) and quiet to
unsettled levels on days two and three (08 Feb, 09 Feb).
III. Event Probabilities 07 Feb to 09 Feb
| Class M | 15% | 15% | 15% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Feb 158 Predicted 07 Feb-09 Feb 160/158/158 90 Day Mean 06 Feb 153
V. Geomagnetic A Indices
Observed Afr/Ap 05 Feb 003/004 Estimated Afr/Ap 06 Feb 013/016 Predicted Afr/Ap 07 Feb-09 Feb 012/016-011/012-007/008
VI. Geomagnetic Activity Probabilities 07 Feb to 09 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 20% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 15% | 20% |
| Minor storm | 25% | 30% | 30% |
| Major-severe storm | 40% | 35% | 25% |
All times in UTC
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Space weather facts
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| Last M-flare | 2024/11/23 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
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