Välja antud: 2017 Dec 04 1233 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
04 Dec 2017 | 069 | 006 |
05 Dec 2017 | 069 | 043 |
06 Dec 2017 | 069 | 037 |
The solar activity remained very quiet. The visible solar disc is spotless and no flare has been recorded in past 24-hour. Quiet flaring conditions are expected.
No Earth directed Coronal Mass Ejection has been observed. The solar protons flux (greater than 10 MeV) remained at nominal levels over the past 24 hours and is expected to remain so.
Solar wind conditions were at nominal levels: The speed of the solar wind was around 300 and 350 km/s; the interplanetary magnetic field magnitude was below 6 nT over the last period except at 04:42 on Dec 4 it reached 9.2 nT; the Bz component of the magnetic field globally varied between +5 nT and -5 nT and reached -7.8 nT at 04:45 on Dec 4. The high speed stream associated with the extension of the northern polar Coronal Hole that has transited the central meridian on Nov 31 is expected to reach Earth with in this period.
The geomagnetic conditions were at the nominal level with K-Dourbes and Kp ranging between 0 and 2. The geomagnetic activity is expected to be unset to active with to arrival of the high speed stream by the end of this period.
Today's estimated international sunspot number (ISN): 000, based on 14 stations.
Wolf number Catania | /// |
10cm solar flux | 070 |
AK Chambon La Forêt | 004 |
AK Wingst | 001 |
Estimated Ap | 002 |
Estimated international sunspot number | 000 - Based on 15 stations |
Day | Begin | Max | Lõpp | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
Puuduvad |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
Kõik ajad UTC-s
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