Vaata laupäev, 5 veebruar 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 Feb 05 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 036 Välja antud 2200Z kuni 05 Feb 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 04-2100Z kuni 05-2100Z Solar activity has been very low for the past 24 hours.
Region 1152 (S18W14) and Region 1153 (N15W31) have begun to decay
with a loss in areal coverage, magnetic complexity, and a reduced
sunspot number. Region 1150 (S20, L=187) decayed to spotless plage
early in the period.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be very
low with a slight chance for C-class activity for the next three
days (06-08 February).
IIA. Summaarne geofüüsikaline aktiivsus 04-2100Z kuni 05-2100Z
The geomagnetic field has been at quiet to active levels with an
isolated period at G1 ,minor storm levels, from 4/2100Z-4/2400Z.
This increase in activity was associated with a reverse shock behind
a slow moving CME observed on 30 January. Observations from the ACE
spacecraft indicated the effects of the shock subsided around
4/0421Z, as a recurrent coronal hole high speed stream, in which the
CME was embedded, regained dominance. Throughout the period, the
total Interplanetary Magnetic Field (IMF) decayed from 17 nT at
04/2106Z to 3nT at 05/2008Z. Solar wind speeds peaked at around 675
km/s at 05/0536Z, but speeds began to decrease as the day
progressed.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be quiet to unsettled for the next two days (06-07
February) as the effects of the latest recurrent coronal hole high
speed stream wane. A return to quiet levels is expected on day three
(08 February).
III. Sündmuste tõenäosus 06 Febkuni 08 Feb
| Klass M | 01% | 01% | 01% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 05 Feb 081 Prognoositud 06 Feb-08 Feb 080/080/080 90 päeva keskmine 05 Feb 084
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 04 Feb 012/021 Hinnanguline Afr/Ap 05 Feb 015/018 Prognoositud Afr/Ap 06 Feb-08 Feb 008/010-008/008-005/005
VI. Geomagnetilised aktiivsuse tõenäosused 06 Feb kuni 08 Feb
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 20% | 05% |
| Väike torm | 05% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 25% | 10% |
| Väike torm | 10% | 10% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
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