Vaata reede, 18 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 18 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 049 Välja antud 2200Z kuni 18 Feb 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 17-2100Z kuni 18-2100Z Solar activity was high during the past 24 hours.
Region 1158 (S19W64) produced several C-class events with a C1 at
17/2135Z that was associated with a Type II Sweep and an M1 event at
18/1303Z. Region 1161 (N12W02) grew slightly in area and maintained
a beta-gamma magnetic classification. New Region 1162 (N18W06) was
numbered today and developed rapidly into a Dai-type sunspot group
with a beta-gamma magnetic classification. The bulk of the activity
originated from this new region, including two M1 events and an M6
event at 18/1011Z.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
moderate with a chance for isolated high level activity for the next
three days (19-21 February).
IIA. Summaarne geofüüsikaline aktiivsus 17-2100Z kuni 18-2100Z
The geomagnetic field was unsettled to active with an isolated minor
storm period at high latitudes. This activity was due to the
effects of the CMEs associated with two M-class events and an
X-class event observed from 13-15 February. A sudden impulse of 33
nT was observed at 18/0136Z at the Boulder magnetometer in
association with this event. The ACE spacecraft indicated solar wind
velocities increased to approximately 700 km/s along with a
sustained period of southward Bz between -10 and -15 nT from
18/0200-0300Z.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be quiet to unsettled with a chance for isolated active
periods for day one (19 February) due to the residual effects of the
recent CMEs. Days two and three (20-21 February) are expected to be
mostly quiet.
III. Sündmuste tõenäosus 19 Febkuni 21 Feb
| Klass M | 75% | 75% | 75% |
| Klass X | 15% | 15% | 15% |
| Prooton | 10% | 10% | 10% |
| PCAF | Green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 18 Feb 125 Prognoositud 19 Feb-21 Feb 120/120/110 90 päeva keskmine 18 Feb 086
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 17 Feb 005/002 Hinnanguline Afr/Ap 18 Feb 018/022 Prognoositud Afr/Ap 19 Feb-21 Feb 010/012-005/005-005/005
VI. Geomagnetilised aktiivsuse tõenäosused 19 Feb kuni 21 Feb
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 15% | 05% |
| Väike torm | 10% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 20% | 05% |
| Väike torm | 10% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
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