Issued: 2017 Feb 13 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
13 Feb 2017 | 077 | 003 |
14 Feb 2017 | 077 | 006 |
15 Feb 2017 | 077 | 007 |
In the past 24 hours, no C flares were observed. Very low solar activity (no C flares) is expected in the next 24 hours. Solar wind speed measured by DSCOVR varied between about 320 and 350 km/s in the past 24 hours, while the magnitude of the Interplanetary Magnetic Field (IMF) varied between about 1 and 8 nT. Quiet geomagnetic conditions (K Dourbes between 1 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on February 13, 14 and 15.
Today's estimated international sunspot number (ISN): 016, based on 21 stations.
Wolf number Catania | /// |
10cm solar flux | 076 |
AK Chambon La Forêt | 008 |
AK Wingst | 004 |
Estimated Ap | 003 |
Estimated international sunspot number | 017 - Based on 12 stations |
Day | Begin | Max | End | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
None |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/01 | M2.4 |
Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
February 2025 | 154.6 +17.6 |
April 2025 | 147 -7.6 |
Last 30 days | 128.8 -21.8 |