Välja antud: 2013 May 31 1250 UTC
Eruptive (C-class flares expected, probability >=50%)
Minor storm expected (A>=30 or K=5)
Quiet
10cm flux | Ap | |
---|---|---|
31 May 2013 | 102 | 012 |
01 Jun 2013 | 104 | 029 |
02 Jun 2013 | 104 | 010 |
Two C-class flares were observed during the past few hours. A C1.4 flare at 7h57 UT originating from Catania sunspot group 82 (NOAA AR 1756) was a long duration event. This is associated with a rather small limb CME propagating to the South West and based on currently available information it is expected not to be Earth directed. A C1.1 flare at 11h27 UT was originating from Catania sunspot group 88 (NOAA AR 1761). C-class flaring activity is expected for the next 48 hours. The current solar wind speed is at 350 km/s. The interplanetary magnetic field has a magnitude of 5 nT with a mainly negative Bz-component. Geomagnetic conditions are still quiet (local K<3 at Dourbes). The geomagnetic index is expected to increase later today and tomorrow and reach active to minor storm levels (K=4 to 5), due to the effects of a fast speed stream.
Today's estimated international sunspot number (ISN): 041, based on 20 stations.
Wolf number Catania | /// |
10cm solar flux | 104 |
AK Chambon La Forêt | 006 |
AK Wingst | 002 |
Estimated Ap | 002 |
Estimated international sunspot number | 052 - Based on 13 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
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