Viendo archivo del domingo, 28 abril 2013
Daily bulletin on solar and geomagnetic activity from the SIDC
Emitido: 2013 Apr 28 1219 UTC
SIDC Forecast
Llamarada solar
Eruptive (C-class flares expected, probability >=50%)
Geomagnetism
Quiet (A<20 and K<4)
Protones solares
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 28 Apr 2013 | 127 | 007 |
| 29 Apr 2013 | 127 | 007 |
| 30 Apr 2013 | 127 | 007 |
Bulletin
C-class flaring is expected, mainly from NOAA AR 1731, which has a beta- gamma configuration. Quiet geomagnetic conditions are expected.
Today's estimated international sunspot number (ISN): 069, based on 10 stations.Solar indices for 27 Apr 2013
| Wolf number Catania | /// |
| 10cm solar flux | 127 |
| AK Chambon La Forêt | 011 |
| AK Wingst | 009 |
| Estimated Ap | 007 |
| Estimated international sunspot number | 074 - Based on 16 stations |
Noticeable events summary
| Day | Begin | Max | Fin | Loc | Strength | OP | 10cm | Radio burst types | Catania/NOAA | |
|---|---|---|---|---|---|---|---|---|---|---|
| Ninguno | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
< < Ir a la visión general diaria
Últimas noticias
X1.5 solar flare
M2.7 solar flare, CME arrival possible
Complex sunspot region 4366
Últimos mensajes del foro
Apoye a SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Hechos clima espacial
| Último evento clase X | 30/03/2026 | X1.5 |
| Último evento clase M | 09/04/2026 | M1.0 |
| Últimas tormentas geomagnéticas | 03/04/2026 | Kp7- (G3) |
| Días sin manchas | |
|---|---|
| Last 365 days | 3 días |
| 2026 | 3 días (3%) |
| Último día sin manchas | 24/02/2026 |
| Promedio de manchas solares mensuales | |
|---|---|
| marzo 2026 | 85.9 +7.7 |
| abril 2026 | 94.2 +8.3 |
| Last 30 days | 94.7 +35.4 |