Vaata kolmapäev, 16 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 16 2205 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 047 Välja antud 2200Z kuni 16 Feb 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 15-2100Z kuni 16-2100Z Solar activity has been moderate with occasional
M-class and frequent C-class events throughout the period. Region
1158 (S21W39) has produced two M-class flares; the largest an M1/1F
at 16/1425Z with associated Type II radio sweep and a 330 sfu
Tenflare. Growth in Region 1158 leveled off at 620 millionths but
maintained its E-type configuration and beta-gamma-delta magnetic
classification. Region 1161 (N13E25) produced an M1 x-ray event at
16/0139Z. LASCO imagery indicated an associated CME at 16/0248Z.
Region 1161 has shown continual growth. The group currently has an
area of 330 millionths and developed a beta-gamma magnetic
classification.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
moderate with a chance for an isolated major flare for the next
three days (17-19 February). Region 1158 is expected to produce more
M-class flares and still has the potential for producing an M5 or
greater x-ray event. There is a chance for isolated M-class activity
from Region 1161.
IIA. Summaarne geofüüsikaline aktiivsus 15-2100Z kuni 16-2100Z
The geomagnetic field has been quiet. Solar wind velocities
throughout the period gradually decreased to around 400km/s.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be predominately quiet on day one (February 17). An
increase to unsettled to active conditions, with a chance for minor
storm periods is expected late on day one into day two (18
February). The increased activity is forecast due to the expected
arrival of the CME associated with the X2 flare that occurred on
15/0156Z. Day three (19 February) is expected to be quiet to active
as the disturbance subsides.
III. Sündmuste tõenäosus 17 Febkuni 19 Feb
| Klass M | 75% | 75% | 75% |
| Klass X | 25% | 25% | 25% |
| Prooton | 20% | 20% | 20% |
| PCAF | Green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 16 Feb 114 Prognoositud 17 Feb-19 Feb 105/105/100 90 päeva keskmine 16 Feb 085
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 15 Feb 004/005 Hinnanguline Afr/Ap 16 Feb 004/005 Prognoositud Afr/Ap 17 Feb-19 Feb 018/018-025/025-012/012
VI. Geomagnetilised aktiivsuse tõenäosused 17 Feb kuni 19 Feb
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 35% | 20% |
| Väike torm | 15% | 20% | 05% |
| Suur-tõsine torm | 01% | 05% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 35% | 40% | 25% |
| Väike torm | 20% | 25% | 10% |
| Suur-tõsine torm | 01% | 05% | 01% |
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