Välja antud: 2013 Jun 29 1219 UTC
Eruptive (C-class flares expected, probability >=50%)
Minor storm expected (A>=30 or K=5)
Quiet
10cm flux | Ap | |
---|---|---|
29 Jun 2013 | 103 | 037 |
30 Jun 2013 | 103 | 030 |
01 Jul 2013 | 106 | 007 |
Solar activity has been eruptive during the past 24 hours, featuring one C1.6 flare from NOAA 11778, peaking at 17:05 UT on June 28. More C flares are possible within the next 48 hours, with a slight chance for an M flare. Over the past 24 hours, the solar wind speed showed a generally decreasing trend from about 400 km/s to 350 km/s, until about 3h UT on June 29 when this trend reversed, with current solar wind speeds around 400 km/s. The IMF fluctuated around 12 nT throughout the period. K Dourbes has been at minor storm levels (K Dourbes = 5) between 17h and 19h UT on June 28, and again from 4h UT on June 29 till 8h UT on June 29. K Dourbes levels have been active (K Dourbes = 4) since then. NOAA Kp has reached higher levels: Kp = 5 between 21h UT on June 28 and 0h UT on June 29, Kp = 6 between 0h and 3h UT, Kp = 7 between 3h and 6h UT, and Kp = 5 between 6h and 9h UT. This geomagnetic activity is due to an extended Bz excursion of around -10 nT from 18h UT on June 28 till now. Minor storm levels (K Dourbes = 5) are possible on June 29. On June 30, quiet to active geomagnetic levels (K Dourbes < 5) are expected due to an expected coronal hole high speed stream, with a possible minor storm around the end of June 30 or early on July 1st, due to a glancing blow from the CME of 02:00 UT on June 28.
Today's estimated international sunspot number (ISN): 050, based on 07 stations.
Wolf number Catania | 088 |
10cm solar flux | 101 |
AK Chambon La Forêt | 046 |
AK Wingst | 023 |
Estimated Ap | 025 |
Estimated international sunspot number | 051 - 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
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