Viewing archive of Saturday, 22 February 2014
Daily bulletin on solar and geomagnetic activity from the SIDC
Issued: 2014 Feb 22 1408 UTC
SIDC Forecast
Solar flares
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Minor storm expected (A>=30 or K=5)
Solar protons
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 22 Feb 2014 | 157 | 028 |
| 23 Feb 2014 | 158 | 035 |
| 24 Feb 2014 | 160 | 012 |
Bulletin
Only C1 flares in past 24h. NOAA AR 1982 has still potential for M-class flares. Geomagnetic conditions have ranged from unsettled to active due to weak but long lasting negative Bz periods. An increase to minor storm conditions is expected with the arrival of CMEs from February 19 and 20.
Today's estimated international sunspot number (ISN): 099, based on 11 stations.Solar indices for 21 Feb 2014
| Wolf number Catania | /// |
| 10cm solar flux | 157 |
| AK Chambon La Forêt | 024 |
| AK Wingst | 012 |
| Estimated Ap | 012 |
| Estimated international sunspot number | 095 - Based on 22 stations |
Noticeable events summary
| Day | Begin | Max | End | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
|---|---|---|---|---|---|---|---|---|---|---|
| None | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
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