Viewing archive of Monday, 25 July 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 Jul 25 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 206 Issued at 2200Z on 25 Jul 2022IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C1 event observed at
25/0833Z. There are currently 7 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be low on days
one, two, and three (26 Jul, 27 Jul, 28 Jul).
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 546 km/s at 25/0217Z. Total IMF reached 5
nT at 25/1249Z. The maximum southward component of Bz reached -4 nT at
25/0251Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1247 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (26 Jul, 27 Jul, 28
Jul).
III. Event Probabilities 26 Jul to 28 Jul
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 25 Jul 102 Predicted 26 Jul-28 Jul 102/100/100 90 Day Mean 25 Jul 128
V. Geomagnetic A Indices
Observed Afr/Ap 24 Jul 009/010 Estimated Afr/Ap 25 Jul 005/006 Predicted Afr/Ap 26 Jul-28 Jul 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 26 Jul to 28 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 15% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 15% | 20% |
| Major-severe storm | 20% | 20% | 20% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.1 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
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| Monthly mean Sunspot Number | |
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