Viewing archive of Sunday, 24 July 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Jul 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 205 Issued at 2200Z on 24 Jul 2022IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C3 event observed at
23/2241Z from Region 3057 (N17W91). There are currently 6 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be low on days
one, two, and three (25 Jul, 26 Jul, 27 Jul).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 586 km/s at 24/0534Z. Total IMF reached 5
nT at 23/2152Z. The maximum southward component of Bz reached -4 nT at
23/2329Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 926 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (25 Jul) and quiet levels
on days two and three (26 Jul, 27 Jul).
III. Event Probabilities 25 Jul to 27 Jul
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Jul 107 Predicted 25 Jul-27 Jul 108/106/102 90 Day Mean 24 Jul 128
V. Geomagnetic A Indices
Observed Afr/Ap 23 Jul 015/018 Estimated Afr/Ap 24 Jul 007/009 Predicted Afr/Ap 25 Jul-27 Jul 007/008-006/005-006/005
VI. Geomagnetic Activity Probabilities 25 Jul to 27 Jul
| 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% | 15% | 15% |
| Major-severe storm | 25% | 20% | 20% |
All times in UTC
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