Välja antud: 2014 Feb 28 1204 UTC
Active (M-class flares expected, probability >=50%)
Quiet (A<20 and K<4)
Proton event in progress (>10 MeV)
10cm flux | Ap | |
---|---|---|
28 Feb 2014 | 176 | 022 |
01 Mar 2014 | 168 | 012 |
02 Mar 2014 | 165 | 007 |
The solar disk remains covered with a large number of sunspot groups, many of them undergoing magnetic reconfigurations and producing non-stop C-class flares. The most noteworthy regions are AR1987-Cat49 (beta-gamma), AR1990-Cat52 (beta-delta), AR1991-Cat59 (Feb 28 M1.1 flare), AR1982-Cat 46 (beta-gamma). As a consequence we expect M-class flaring activity but an isolated X-class flare also remains possible. AR1982-Cat 46 will rotate behind the solar West limb in the coming 48 hours, a sharp drop in the F10.7 radio flux can thus be expected. We expect continued episodes of K=4 activity during the next 24 hours as a consequence of a fast solar wind stream from a recurrent coronal hole. ACE low energy proton fluxes also suggest that a new shock might arrive in the coming 12 hours.
Today's estimated international sunspot number (ISN): 145, based on 06 stations.
Wolf number Catania | /// |
10cm solar flux | 176 |
AK Chambon La Forêt | /// |
AK Wingst | 021 |
Estimated Ap | 020 |
Estimated international sunspot number | 159 - Based on 15 stations |
Day | Begin | Max | Lõpp | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types |
---|---|---|---|---|---|---|---|---|---|
28 | 0044 | 0048 | 0050 | S24E53 | M1.1 | SN | 59/1991 |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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