Vaata reede, 25 märts 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 Mar 25 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 084 Välja antud 2200Z kuni 25 Mar 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 24-2100Z kuni 25-2100Z Solar activity was at low levels. Only isolated B-class
and low-level C-class events were observed during the period, all
from Region 1176 (S16E30). The region grew in area and spot count,
mostly from new development just to the NNE of the large leader
spot. Both Regions 1177 (N21E24) and 1178 (S15E55) developed
penumbra in their leader spots and were classified as bi-polar
C-type groups. Two new regions rotated on the disk during the
period; Region 1180 (N26E66) and Region 1181 (S23E69), both H-type
groups. A partial Halo CME was first observed at 24/1203Z in LASCO
C3 imagery extending through the northern hemisphere of the solar
disk. The likely source was from the M1/1f flare from Region 1176 at
24/1207Z.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
for the next three days (26 - 28 March) with a chance for M-class
activity, primarily from Region 1176.
IIA. Summaarne geofüüsikaline aktiivsus 24-2100Z kuni 25-2100Z
The geomagnetic field was quiet. ACE solar wind data indicated a
gradual decrease in velocities from a high of near 500 km/s at
24/2304Z to a low of about 400 km/s at 25/1438Z. During the period,
IMF Bz was variable between +5 nT and -4 nT.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be at predominately quiet levels for the days one and
two (26 - 27 March). By day three (28 March), quiet to unsettled
conditions, with isolated active periods, are possible due to
effects from the 24 March CME.
III. Sündmuste tõenäosus 26 Markuni 28 Mar
| Klass M | 40% | 40% | 40% |
| Klass X | 05% | 05% | 05% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 25 Mar 113 Prognoositud 26 Mar-28 Mar 120/125/130 90 päeva keskmine 25 Mar 096
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 24 Mar 003/004 Hinnanguline Afr/Ap 25 Mar 003/004 Prognoositud Afr/Ap 26 Mar-28 Mar 005/005-005/005-010/005
VI. Geomagnetilised aktiivsuse tõenäosused 26 Mar kuni 28 Mar
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 10% | 20% |
| Väike torm | 01% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 15% | 25% |
| Väike torm | 01% | 01% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
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