Vaata neljapäev, 29 september 2011 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 2011 Sep 29 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 272 Välja antud 2200Z kuni 29 Sep 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 28-2100Z kuni 29-2100Z Solar activity has been low for the past 24 hours.
Region 1305 (N13E16) has grown in aerial coverage and is now
considered a Cso-type spot group with a beta-gamma magnetic
configuration. The region produced a C1 event at 29/1023Z. Region
1302 (N13W16) produced a long duration C2/Sf at 29/1247Z. A Type II
Radio Sweep with an estimated speed of 608 km/s was associated with
this event. It is difficult to see in STEREO COR2 imagery but does
appear to be Earth directed with an estimated plane-of-sky speed of
628 km/s. Further analysis will be done as LASCO imagery becomes
available.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
for the next three days (30 September - 02 October) with a chance
for isolated M-class and X-class events mainly from Region 1302.
IIA. Summaarne geofüüsikaline aktiivsus 28-2100Z kuni 29-2100Z
The geomagnetic field was mostly unsettled with isolated minor to
major storm levels observed between 29/0000-0600Z due to
substorming. Solar wind speeds jumped slightly to 600 km/s, in
conjunction with an increase in temperature and density around
29/0030Z. Bt reached +13 nT and Bz dipped south with a maximum
deviation of -10 nT.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be quiet to unsettled with a chance for isolated active
periods early on day one (30 September) due to residual effects from
the CME. Quiet to unsettled conditions are expected on day two (01
October) due to the arrival of a recurrent coronal hole high speed
stream. Quiet to unsettled conditions are expected on day three (02
October).
III. Sündmuste tõenäosus 30 Sepkuni 02 Oct
| Klass M | 60% | 60% | 60% |
| Klass X | 30% | 30% | 30% |
| Prooton | 15% | 15% | 15% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 29 Sep 137 Prognoositud 30 Sep-02 Oct 140/140/140 90 päeva keskmine 29 Sep 110
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 28 Sep 013/024 Hinnanguline Afr/Ap 29 Sep 015/015 Prognoositud Afr/Ap 30 Sep-02 Oct 010/012-008/010-005/005
VI. Geomagnetilised aktiivsuse tõenäosused 30 Sep kuni 02 Oct
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 10% | 05% |
| Väike torm | 05% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 10% | 05% |
| Väike torm | 05% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
Kõik ajad UTC-s
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