Vaata pühapäev, 16 september 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 Sep 16 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 260 Välja antud 2200Z kuni 16 Sep 2012IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 15-2100Z kuni 16-2100Z Solar activity was very low. New Region 1573 (N17E62 -
Axx/alpha) produced occasional B-class flares as it rotated into
view. Region 1566 (N23W89 - Hrx/alpha) produced a B-class flare as
it approached the west limb. Region 1569 (S12W13 - Cso/beta) showed
gradual spot and penumbral decay in its intermediate and trailer
portions. New Region 1574 (S25W15 - Bxo/beta), a small
reverse-polarity group, was also numbered. No Earth-directed CME activity
occurred during the period.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be very
low through the period (17 - 19 September) with a chance for a
C-class flare.
IIA. Summaarne geofüüsikaline aktiivsus 15-2100Z kuni 16-2100Z
Geomagnetic field activity was at quiet to unsettled levels. An
increase to unsettled levels occurred late in the period associated
with the onset of a solar sector boundary crossing (SSBC).
Intermittent periods of weakly-southward IMF Bz along with minor
increases in solar wind speeds and IMF Bt were associated with the
SSBC.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic field activity is
expected to remain at quiet to unsettled levels on day 1 (17
September) due to minor changes in the solar wind. A decrease to
quiet levels is expected on day 2 (18 September). Activity is
expected to increase to quiet to unsettled levels on day 3 (19
September), with a slight chance for active levels, as a coronal
hole high-speed stream begins to disturb the field.
III. Sündmuste tõenäosus 17 Sepkuni 19 Sep
| Klass M | 10% | 10% | 10% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 16 Sep 097 Prognoositud 17 Sep-19 Sep 095/095/100 90 päeva keskmine 16 Sep 122
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 15 Sep 005/006 Hinnanguline Afr/Ap 16 Sep 006/008 Prognoositud Afr/Ap 17 Sep-19 Sep 007/010-006/005-007/008
VI. Geomagnetilised aktiivsuse tõenäosused 17 Sep kuni 19 Sep
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 10% | 10% |
| Väike torm | 01% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 15% |
| Väike torm | 20% | 15% | 25% |
| Suur-tõsine torm | 10% | 05% | 15% |
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