Vaata laupäev, 14 aprill 2012 arhiivi
Päikese aktiivsuse aruanne
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.
Päikese ja geofüüsikalise aktiivsuse aruanne 2012 Apr 14 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 105 Välja antud 2200Z kuni 14 Apr 2012IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 13-2100Z kuni 14-2100Z Solar activity was very low. Region 1455 (N06W34)
produced occasional B-class x-ray flares during the first half of
the period. Region 1455 showed minor spot and penumbral decay during
the period and simplified from a beta-gamma to a beta magnetic
classification. New Regions 1458 (N07E70) and 1459 (S15E79) were
numbered. Neither were remarkable, but analysis was hampered due to
limb proximity. There were no Earth-directed CMEs observed during
the period.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be very
low during days 1 - 3 (15 - 17 April) with a chance for isolated
C-class flares.
IIA. Summaarne geofüüsikaline aktiivsus 13-2100Z kuni 14-2100Z
Geomagnetic field activity was at quiet to active levels. ACE solar
wind observations indicated the continued presence of a coronal hole
high-speed stream (CH HSS) with speeds in the 499 to 614 km/s range.
The greater than 2 MeV electron flux at geosynchronous orbit reached
high levels during the period.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic field activity is
expected to be at quiet to unsettled levels on day 1 (15 April) with
a chance for active levels due to persistent CH HSS effects.
Activity is expected to decrease to mostly quiet levels during days
2 - 3 (16 - 17 April) as the CH HSS subsides.
III. Sündmuste tõenäosus 15 Aprkuni 17 Apr
| Klass M | 05% | 05% | 05% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 14 Apr 098 Prognoositud 15 Apr-17 Apr 100/100/100 90 päeva keskmine 14 Apr 113
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 13 Apr 013/022 Hinnanguline Afr/Ap 14 Apr 008/012 Prognoositud Afr/Ap 15 Apr-17 Apr 010/010-004/005-004/005
VI. Geomagnetilised aktiivsuse tõenäosused 15 Apr kuni 17 Apr
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 15% | 15% |
| Väike torm | 10% | 05% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 40% | 20% | 20% |
| Väike torm | 15% | 10% | 10% |
| Suur-tõsine torm | 05% | 01% | 01% |
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