:Product: Weekly Highlights and Forecasts
:Issued: 2025 Jul 14 0702 UTC
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#                Weekly Highlights and Forecasts
#
Highlights of Solar and Geomagnetic Activity
07 - 13 July 2025

Solar activity was ranged from low to moderate levels. R1 (Minor)
events were observed on 08-09 Jul and 12 Jul. The largest was an
M2.4 flare at 08/0417 UTC from Region 4136 (N19, L=022,
class/area=Dai/220 on 11 Jul). Region 4140 (S15, L=348,
class/area=Dao/130 on 12 Jul) produced a similarly powerful M2.3/1f
flare at 12/0834 UTC. The other 15 numbered active regions on the
visible disk were either quiet or only produced C-class activity. No
Earth-directed CMEs were observed in available coronagraph imagery. 

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit reached
high levels on 09-10 Jul following elevated wind speeds from a
coronal hole. The remainder of the summary period was at normal to
moderate levels. 

Geomagnetic field activity was varied from quiet to G1 (Minor)
geomagnetic storm levels. G1 conditions were observed early on 07
Jul, with a slow decrease to active levels on 08 Jul and unsettled
levels on 09 Jul due to influence from a negative polarity coronal
hole. Active conditions were observed on 11 Jul and unsettled
conditions on 12 Jul were in response to the onset of a positive
polarity coronal hole. G1 conditions observed on 13 Jul followed a
pronounced increase in solar wind speeds from a mildly elevated ~500
km/s on 12 Jul to a peak just over 700 km/s on 13 Jul. 

Forecast of Solar and Geomagnetic Activity
14 July - 09 August 2025

Solar activity is likely to be at low levels, with a chance for
R1-R2 (Minor-Moderate) radio blackouts, over next 27 days due to
several complex active regions on the visible disk and the
anticipated return of multiple active regions from the Sun's
farside. 

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is
expected to reach high levels on 20-28 Jul and 05-06 Aug following
activity from recurrent coronal holes. The remainder of the outlook
is likely to be at normal to moderate levels. 

Geomagnetic field activity is likely observed mild elevations,
mostly in response to recurrent coronal hole features. Active
conditions are likely on 14 Jul, 22-24 Jul, 02-04 Aug, and 07-09
Aug. Unsettled conditions are likely on 15-17 Jul, 25 Jul, and 01
Aug. The remaining days of the outlook period are expected to be
mostly quiet.