Visualització de l'arxiu de diumenge, 20 d’abril 2014
Informe d'activitat solar
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Informe d'activitat Geofísica-Solar 2014 Apr 20 2200 UTCPreparat pel SWPC NOAA © i processat per SpaceWeatherLive.com
Informe conjunt segons USAF / NOAA d’activitat Solar i Geofísica
SDF número 110 emès a 2200Z el Apr 20 2014IA. Anàlisi de les regions actives solars i de l'activitat de 2100Z-19 a 2100Z-20 Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C6 event observed at
20/0813Z from Region 2033 (N11W84). There are currently 9 numbered
sunspot regions on the disk.
IB. Previsió d'activitat solar
Solar activity is likely to be moderate
with a slight chance for an X-class flare on day one (21 Apr) and
expected to be low with a chance for M-class flares on days two and
three (22 Apr, 23 Apr).
IIA. Resum d'activitat geofísica del 2100Z-19 al 2100Z-20
The geomagnetic
field has been at quiet to minor storm levels for the past 24 hours.
Solar wind speed, as measured by the ACE spacecraft, reached a peak
speed of 765 km/s at 20/1125Z. Total IMF reached 21 nT at 20/1114Z. The
maximum southward component of Bz reached -8 nT at 20/1752Z. Protons
greater than 10 MeV at geosynchronous orbit reached a peak level of 51
pfu at 19/2310Z. Electrons greater than 2 MeV at geosynchronous orbit
reached a peak level of 237 pfu.
IIB. Previsió d'activitat geofísica
The geomagnetic field is expected
to be at quiet to minor storm levels on day one (21 Apr), quiet to
active levels on day two (22 Apr) and quiet levels on day three (23
Apr). Protons greater than 10 Mev have a slight chance of crossing
threshold on days one and two (21 Apr, 22 Apr).
III. Probabilitats d’esdeveniments de les Apr del 21 a les Apr del 23
| Classe M | 55% | 50% | 50% |
| Classe X | 10% | 05% | 05% |
| Protó | 10% | 10% | 05% |
| PCAF | green | ||
IV. Penticton Flux de 10,7 cm
Observat 20 Apr 163 Predit 21 Apr-23 Apr 165/160/150 Mitjana de 90 dies 20 Apr 156
V. Índexs geomagnètics A
Observat Afr/Ap 19 Apr 013/013 Estimat Afr/Ap 20 Apr 016/023 Predit Afr/Ap 21 Apr-23 Apr 016/020-009/010-007/008
VI. Probabilitats d’activitat geomagnètica del 21 Apr al 23 Apr
| A. Latituds mitjanes | |||
|---|---|---|---|
| Actiu | 40% | 25% | 20% |
| Tempesta menor | 25% | 05% | 05% |
| Tempesta major-severa | 05% | 01% | 01% |
| B. Latituds altes | |||
|---|---|---|---|
| Actiu | 05% | 15% | 15% |
| Tempesta menor | 20% | 25% | 20% |
| Tempesta major-severa | 60% | 30% | 25% |
All times in UTC
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Fets del temps al espai
| Última Flamarada-X | 2024/05/15 | X2.9 |
| Última Flamarada-M | 2024/05/19 | M1.6 |
| Última tempesta geomagnètica | 2024/05/17 | Kp6 (G2) |
| Dies sense taques | |
|---|---|
| Últim dia sense taques | 2022/06/08 |
| Número mensual mitjà de taques solars | |
|---|---|
| d’abril 2024 | 136.5 +31.6 |
| de maig 2024 | 155.9 +19.4 |
| Last 30 days | 163.2 +40.8 |