Viewing archive of Saturday, 5 July 2025
Solar activity report
Report of Solar-Geophysical Activity 2025 Jul 05 2220 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 186 Issued at 2200Z on 05 Jul 2025IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity has been at low levels for the past 24 hours.
There are currently 6 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 (06
Jul, 07 Jul, 08 Jul).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic
field has been at unsettled to active levels for the past 24 hours.
Solar wind speed reached a peak of 487 km/s at 05/1537Z. Total IMF
reached 13 nT at 05/2051Z. The maximum southward component of Bz reached
-11 nT at 05/2034Z. Electrons greater than 2 MeV at geosynchronous
orbit reached a peak level of 354 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (06 Jul, 07 Jul)
and quiet levels on day three (08 Jul).
III. Event Probabilities 06 Jul to 08 Jul
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Jul 117 Predicted 06 Jul-08 Jul 115/115/113 90 Day Mean 05 Jul 140
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jul 011/019 Estimated Afr/Ap 05 Jul 012/015 Predicted Afr/Ap 06 Jul-08 Jul 009/008-008/008-006/005
VI. Geomagnetic Activity Probabilities 06 Jul to 08 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 10% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 25% | 25% | 20% |
| Major-severe storm | 25% | 25% | 10% |
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.5 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
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| Monthly mean Sunspot Number | |
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| Last 30 days | 123.1 +14.7 |