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Product: Daily Forecast of Geomagnetic Activity
Issued: 2022 May 30 06:49UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was decreasing stable during the past 24 hours.
Solar Flux (10.7 cm) measured on 29.05.2022 at 20:00 UTC was 98 sfu.
The background X-Ray flux is at the class B3.3 level.
The geomagnetic field was at unsettled levels on May 29.
A CME observed on May 25 at 18:38. This CME is expected to reach Earth according EAM predictions between May 27 20:51 UT and May 28 10:31 UT.
No obviously Earth directed CMEs were observed in available LASCO imagery on May 21-24.
The Kp index now is at unsettled levels with Kp=3.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 545 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
A new southern hemisphere coronal hole (CH1080) of the visible solar disk was in Earth facing position on May 24-25.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on May 30-31 and at quiet levels on June 01.

   Date      Estimated Ap index      Expected geom. storm
2022.05.30           10                        -
2022.05.31           08                        -
2022.06.01           06                        -

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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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