Viendo archivo del sábado, 18 septiembre 2021
Informe actividad solar
Informe de actividad Solar-Geofísica 2021 Sep 18 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 261 Publicado el 2200Z a las 18 Sep 2021IA. 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.
The largest solar event of the period was a C2 event observed at
18/0827Z from Region 2871 (S28E73). There are currently 1 numbered
sunspot regions on the disk.
IB. Pronóstico de la actividad solar
Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (19 Sep,
20 Sep, 21 Sep).
IIA. Resumen de la actividad geofísica 17-2100Z a 18-2100Z
The geomagnetic
field has been at quiet to minor storm levels for the past 24 hours.
Solar wind speed reached a peak of 426 km/s at 18/0408Z. Total IMF
reached 15 nT at 17/2125Z. The maximum southward component of Bz reached
-5 nT at 18/0738Z. Electrons greater than 2 MeV at geosynchronous orbit
reached a peak level of 179 pfu.
IIB. Pronóstico de la actividad geofísica
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and three (19 Sep, 21
Sep) and quiet levels on day two (20 Sep).
III. Probabilidades del evento 19 Sep a 21 Sep
| Clase M | 05% | 05% | 05% |
| Clase X | 01% | 01% | 01% |
| Protón | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7cm flujo
Observado 18 Sep 074 Previsto 19 Sep-21 Sep 076/076/076 Media de 90 Días 18 Sep 082
V. Índices Geomagnéticos A
Observado Afr/Ap 17 Sep 019/021 Estimado Afr/Ap 18 Sep 010/011 Previsto Afr/Ap 19 Sep-21 Sep 006/008-006/005-007/008
VI. Probabilidades de Actividad Geomagnética 19 Sep a 21 Sep
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 20% | 10% | 20% |
| Tormenta Menor | 05% | 01% | 05% |
| Tormenta Mayor-Severa | 01% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 20% | 15% | 20% |
| Tormenta Menor | 30% | 20% | 30% |
| Tormenta Mayor-Severa | 25% | 20% | 25% |
All times in UTC
< < Ir a la visión general diaria
Últimas noticias
miércoles, 31 diciembre 2025
Happy New Year! Celebrate with an M7.1 solar flare!
domingo, 7 diciembre 2025
M8.1 solar flare with earth-directed CME
lunes, 1 diciembre 2025
X1.9 solar flare, Coronal hole faces Earth
Últimos mensajes del foro
Más temasApoye 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 | 08/12/2025 | X1.1 |
| Último evento clase M | 31/12/2025 | M7.2 |
| Últimas tormentas geomagnéticas | 22/12/2025 | Kp5 (G1) |
| Días sin manchas | |
|---|---|
| Último día sin manchas | 08/06/2022 |
| Promedio de manchas solares mensuales | |
|---|---|
| noviembre 2025 | 91.8 -22.8 |
| Last 30 days | 116.4 +22.7 |