Välja antud: 2016 Aug 04 1249 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
10cm flux | Ap | |
---|---|---|
04 Aug 2016 | 075 | 019 |
05 Aug 2016 | 075 | 019 |
06 Aug 2016 | 075 | 007 |
Solar activity was very low. No C flares were observed. Solar activity is expected to remain very low (no C flaring) for the next 24 hours. A filament eruption in the NE quadrant was observed by PROBA2/SWAP and Big Bear H alpha between about 16h and 19h UT on August 3. An associated CME was first registered by LASCO C2 at 18:12 UT. Further analysis is required to evaluate the possible geo-effects of this CME. Solar wind speed measured by DSCOVR suddenly increased from about 430 to 580 km/s between 12:00 UT and 13:50 UT on August 3, indicating the arrival of a high speed stream associated with a positive coronal hole. This implies that the earlier solar wind enhancements on August 2 and 3 were most probably due to the arrival of the CME of July 28. Meanwhile, solar wind speed has gradually increased to 620 km/s while the magnitude of the Interplanetary Magnetic Field has been around 5 nT. In the past 24 hours, quiet to minor storm geomagnetic levels were registered (K Dourbes between 2 and 5; NOAA Kp between 3 and 4). Active levels (K Dourbes = 4) are possible on August 4 and 5 under the influence of the coronal hole high speed stream, with a slight chance for a minor geomagnetic storm (K Dourbes = 5). A return to quiet to unsettled geomagnetic conditions is expected on August 6.
Today's estimated international sunspot number (ISN): 007, based on 16 stations.
Wolf number Catania | /// |
10cm solar flux | 075 |
AK Chambon La Forêt | 046 |
AK Wingst | 037 |
Estimated Ap | 040 |
Estimated international sunspot number | 000 - Based on 24 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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