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Product: Daily Forecast of Geomagnetic Activity
Issued: 2022 August 26 08:40UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was almost stable during the past 24 hours.
Solar Flux (10.7 cm) measured on 25.08.2022 at 20:00 UTC was 108 sfu.
The background X-Ray flux is at the class C2.5 level.
AR3089 erupted on August 25 at 19:51 UT peak time producing a M1.8 class solar flare and a radioblackout of category R1.
The geomagnetic field was at quiet levels on August 25.
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at quiet levels with Kp=2.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 339 km/s.
Solar Wind speed from STEREO A: 400 km/s.
Solar Wind speed from STEREO B: - km/s.
The southward component Bz is: 3 nT north

3. Solar Energetic Particle Events
Protons and electrons are quiet.

4. Coronal Holes
No obvious coronal holes are currently in the visible solar disk.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on August 26-28.

   Date      Estimated Ap index      Expected geom. storm
2022.08.26           05                        -
2022.08.27           05                        -
2022.08.28           05                        -

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Athens Space Weather Forecasting Center
Physics Department, National & Kapodistrian University of Athens
Athens Neutron Monitor Station A.NE.MO.S
Tel.: +30 210 727 6901
email: spaceweather@phys.uoa.gr
URL: http://spaceweather.phys.uoa.gr
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