Välja antud: 2013 Dec 22 1245 UTC
Active (M-class flares expected, probability >=50%)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
22 Dec 2013 | 140 | 002 |
23 Dec 2013 | 138 | 006 |
24 Dec 2013 | 138 | 015 |
Several C-flares and two M-flares were observed during the past 24 hours, many occurring short after each other. Catania sunspot region 87 (NOAA AR 1928) is most active. The probability for C-flares remains high, around 80%, and for M-flares around 40%. An X-flare is possible but unlikely. Solar wind speed remains around 350 km/s and the magnitude of the interplanetary magnetic field is still around 5 nT, as observed by ACE. Current geomagnetic conditions are quiet (Kp<4) and are expected to remain so during the next 48 hours. Towards the end of day 3, geomagnetic conditions might become unsettled to active, due to the effects of a coronal hole, which is currently at the central meridian and a latitude of 25 to 50 degrees.
Today's estimated international sunspot number (ISN): 072, based on 07 stations.
Wolf number Catania | /// |
10cm solar flux | 144 |
AK Chambon La Forêt | 003 |
AK Wingst | 002 |
Estimated Ap | 002 |
Estimated international sunspot number | 097 - Based on 07 stations |
Day | Begin | Max | Lõpp | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
---|---|---|---|---|---|---|---|---|---|
22 | 0805 | 0811 | 0818 | S20W49 | M1.9 | SF | 87/1928 | ||
22 | 0833 | 0837 | 0841 | S17W52 | M1.1 | SF | 87/1928 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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