Datum verslag: 2014 Feb 07 1303 UTC
Active (M-class flares expected, probability >=50%)
Active conditions expected (A>=20 or K=4)
Warning condition (activity levels expected to increase, but no numeric forecast given)
10cm flux | Ap | |
---|---|---|
07 Feb 2014 | 188 | 012 |
08 Feb 2014 | 185 | 012 |
09 Feb 2014 | 182 | 005 |
Catania sunspot group 28 (NOAA AR 1967) is slowly decaying, although still maintaining the beta-gamma-delta configuration of its photospheric magnetic field. It produced the strongest flare of the past 24 hours, the M2.0 flare peaking at 04:56 UT today. Catania sunspot group 27 (NOAA AR 1968, beta-gamma configuration of the photospheric field) produced an M1.9 flare peaking today at 10:29 UT. Neither of the flares was associated with a CME. We expect further flaring activity on the C- and M-level in these two groups, with an X-class flare being possible but unlikely. Due to position of these groups in the western hemisphere, a major CME in one of them may lead to a proton event, so we maintain the warning condition. The Earth is currently inside a slow (around 350 km/s) solar wind flow with a slightly elevated (around 6 nT) interplanetary magnetic field magnitude. Due to low solar wind speed, we expect quiet geomagnetic conditions in the coming hours. Later today we expect the arrival of the fast flow from an extended solar coronal hole (currently stretched across the solar central meridian), resulting in a geomagnetic disturbance up to active (K = 4) level.
Today's estimated international sunspot number (ISN): 108, based on 09 stations.
Wolf number Catania | 157 |
10cm solar flux | 191 |
AK Chambon La Forêt | 008 |
AK Wingst | 008 |
Estimated Ap | 007 |
Estimated international sunspot number | 112 - Based on 15 stations |
Day | Begin | Max | Einde | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
---|---|---|---|---|---|---|---|---|---|
06 | 2256 | 2305 | 2310 | ---- | M1.5 | 180 | 28/1967 | ||
07 | 0447 | 0456 | 0504 | S15W50 | M2.0 | 2N | 28/1967 | ||
07 | 1025 | 1029 | 1031 | N09W53 | M1.9 | 1N | 27/1968 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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Het OVATION-model voorspelt dat het hemisferisch vermogen 50GW zal bereiken om 04:56 UTC
Actieve geomagnetische condities (Kp4) Drempel bereikt: 01:32 UTC
Matige M2.5 zonnevlam
Kleine R1 radio blackout gedetecteerd (≥M1 - momenteel: M1.45)
Begintijd: 01/04/2025 06:45 UTC Maximumtijd: 01/04/2025 06:45 UTC Duurtijd: 1 minuten. Piekflux: 190 sfu
Laatste X-klasse uitbarsting | 28/03/2025 | X1.1 |
Laatste M-klasse uitbarsting | 01/04/2025 | M2.5 |
Laatste geomagnetische storm | 27/03/2025 | Kp5 (G1) |
Zonnevlekkenloze dagen | |
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Laatste zonnevlekkenloze dag | 08/06/2022 |
Maandelijks gemiddeld zonnevlekkengetal | |
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