Vaata teisipäev, 29 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 29 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 088 Välja antud 2200Z kuni 29 Mar 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 28-2100Z kuni 29-2100Z Solar activity remained at low levels. Region 1183
(N15E39) produced a single C1 flare at 29/0515Z, along with several
optical subflares early in the period. Region 1183 showed gradual
spot and penumbral growth through the summary period and was
classified as an Eac group with a beta magnetic configuration.
Region 1176 (S16W24) showed no significant changes during the period
and produced an isolated B-class flare. No new regions were
numbered.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
during the period (30 March - 01 April) with a chance for an M-class
flare from Region 1183. Old Region 1169 (N17, L=078) is expected to
return to the visible disk late on day 1 (30 March) and may also
provide a chance for an M-class flare.
IIA. Summaarne geofüüsikaline aktiivsus 28-2100Z kuni 29-2100Z
Geomagnetic activity was at quiet levels. A weak geomagnetic sudden
impulse (SI) occurred at 29/1604Z (8 nT, as measured by the Boulder
USGS magnetometer). The SI likely represented the passage of the
halo-CME observed on 24 March. ACE solar wind data showed increased
velocities (313 to 384 km/s), as well as increases in density (2 to
27 p/cc) and IMF Bt (5 to 9 nT) following the CME passage. IMF Bz
was mostly northward following the passage.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic activity is
expected to be at quiet to unsettled levels during the period (30
March - 01 April) with a chance for brief active levels due to
recurrent coronal hole high-speed stream effects.
III. Sündmuste tõenäosus 30 Markuni 01 Apr
| Klass M | 40% | 40% | 40% |
| Klass X | 05% | 05% | 05% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 29 Mar 116 Prognoositud 30 Mar-01 Apr 120/125/130 90 päeva keskmine 29 Mar 097
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 28 Mar 002/003 Hinnanguline Afr/Ap 29 Mar 003/005 Prognoositud Afr/Ap 30 Mar-01 Apr 010/010-010/010-008/008
VI. Geomagnetilised aktiivsuse tõenäosused 30 Mar kuni 01 Apr
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 20% | 15% |
| Väike torm | 05% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 25% | 20% |
| Väike torm | 10% | 10% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
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