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Product: Daily Forecast of Geomagnetic Activity
Issued: 2025 February 08 08:31UTC
Prepared by the Athens Space Weather Forecasting Center
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I. Solar activity
--Current Status
Solar Flux (10.7cm) measured on 07.02.2025 at 23:00 UTC was 182 sfu.
The background X-Ray flux is at the class C1.7 level.
Three M-class solar flares were produced on February 07 and the largest was the M7.6.
AR3981 erupted on February 07 at 09:21 UT peak time producing a M7.6-class solar flare and a radio blackout of category R2.
No obviously Earth directed CMEs were observed in available LASCO imagery on February 04-06.
An equatorial coronal hole (CH1269) will rotate across the central meridian on February 07-08.

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

III. Interplanetary and Geomagnetic conditions
The solar wind speed measured by ACE satellite reached the max value 438 Km/s on February 07 at 10:25 UT during the last 24 hours.
The solar wind speed from STEREO A was detected 400 Km/s during the last 24 hours.
The vertical component of IMF Bz reached the max value -7 nT on February 08 at 06:10 UT during the last 24 hours.
The geomagnetic field was at quiet to unsettled levels during the last 24 hours.
The Kp index now is at unsettled levels with Kp=3.

IV. 3-day Geomagnetic Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on February 08, at quiet to active levels on February 09 and at quiet to minor storm (G1) levels on February 10.

Date	Ap index forecast	Geomagnetic Activity level	
08.02.2025	08	Quiet to Unsettled	
09.02.2025	12	Quiet to Active	
10.02.2025	20	Quiet to Minor storm (G1)	

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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
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