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Informe actividad solar
Informe de actividad Solar-Geofísica 2025 Apr 18 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 108 Publicado el 2200Z a las 18 Apr 2025IA. Análisis de regiones solares activas y de actividad desde 17-2100Z hasta 18-2100Z Solar activity has been at low levels for the past 24 hours.
There are currently 7 numbered sunspot regions on the disk.
IB. Pronóstico de la actividad solar
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (19 Apr, 20 Apr,
21 Apr).
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 558 km/s at 18/0705Z. Total IMF reached 12
nT at 18/0028Z. The maximum southward component of Bz reached -11 nT at
18/0157Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 313 pfu.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (19 Apr, 20 Apr)
and active to major storm levels on day three (21 Apr).
III. Probabilidades del evento 19 Apr a 21 Apr
| Clase M | 40% | 40% | 40% |
| Clase X | 05% | 05% | 05% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 18 Apr 156 Previsto 19 Apr-21 Apr 150/150/150 Media de 90 Días 18 Apr 175
V. Índices Geomagnéticos A
Observado Afr/Ap 17 Apr 011/011 Estimado Afr/Ap 18 Apr 012/013 Previsto Afr/Ap 19 Apr-21 Apr 008/010-008/008-021/035
VI. Probabilidades de Actividad Geomagnética 19 Apr a 21 Apr
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 15% | 15% | 35% |
| Tormenta Menor | 05% | 05% | 40% |
| Tormenta Mayor-Severa | 01% | 01% | 20% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 15% | 15% | 05% |
| Tormenta Menor | 25% | 20% | 20% |
| Tormenta Mayor-Severa | 25% | 20% | 75% |
All times in UTC
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Hechos clima espacial
| Último evento clase X | 24/04/2026 | X2.5 |
| Último evento clase M | 22/05/2026 | M2.3 |
| Últimas tormentas geomagnéticas | 16/05/2026 | Kp6- (G2) |
| Días sin manchas | |
|---|---|
| Last 365 days | 3 días |
| 2026 | 3 días (2%) |
| Último día sin manchas | 24/02/2026 |
| Promedio de manchas solares mensuales | |
|---|---|
| abril 2026 | 79.3 -6.6 |
| mayo 2026 | 94.2 +14.9 |
| Last 30 days | 97.1 +4.3 |
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