Vaata laupäev, 1 oktoober 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 Oct 01 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 274 Välja antud 2200Z kuni 01 Oct 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 30-2100Z kuni 01-2100Z Solar activity has been moderate. Region 1305 (N12W12)
produced an M1/1n flare at 01/0959Z associated with an
Earth-directed CME. The CME became visible in STEREO imagery at
01/1109Z and has an estimated speed of 500 km/s. Region 1302
(N16W41) produced a Sf optical flare immediately before the M1 flare
at 01/0917Z. The two events were associated with a pair of Type II
Sweeps (620 km/s at 01/0906Z and 850 km/s at 01/0955Z), a Type IV
Sweep and a 180 sfu Tenflare. Region 1305 has grown slightly in area
and spot number and has a beta-gamma magnetic configuration. Region
1302 maintains an area of 700 millionths and a beta-gamma-delta
magnetic configuration.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
to moderate with a slight chance for an X-class event from Regions
1302 and 1305 for the next three days (02-04 October).
IIA. Summaarne geofüüsikaline aktiivsus 30-2100Z kuni 01-2100Z
The geomagnetic field was quiet to unsettled with isolated active
periods from 01/0000-0600Z as measured by the Boulder magnetometer.
The activity was a result of multiple solar sector boundary
crossings. The greater than 2 MeV electron flux at geosynchronous
orbit reached high levels during the period.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be quiet to unsettled on day one (02 October) due to
effects from the coronal hole high speed stream and possible effects
from the CME observed on 29 September. Mostly quiet conditions are
expected on day two (03 October). Quiet to unsettled conditions with
a chance for active and isolated minor storm periods are expected on
day three (04 October) due to a combination of the CMEs observed on
30 September and 01 October. The two CMEs are due to arrive early
and late on day three, respectively.
III. Sündmuste tõenäosus 02 Octkuni 04 Oct
| Klass M | 70% | 70% | 70% |
| Klass X | 20% | 20% | 20% |
| Prooton | 15% | 15% | 15% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 01 Oct 137 Prognoositud 02 Oct-04 Oct 140/140/140 90 päeva keskmine 01 Oct 111
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 30 Sep 005/008 Hinnanguline Afr/Ap 01 Oct 012/012 Prognoositud Afr/Ap 02 Oct-04 Oct 008/008-005/005-015/015
VI. Geomagnetilised aktiivsuse tõenäosused 02 Oct kuni 04 Oct
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 10% | 45% |
| Väike torm | 10% | 01% | 25% |
| Suur-tõsine torm | 01% | 01% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 15% | 45% |
| Väike torm | 10% | 01% | 25% |
| Suur-tõsine torm | 01% | 01% | 10% |
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