Vaata pühapäev, 28 märts 2004 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 2004 Mar 28 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 088 Välja antud 2200Z kuni 28 Mar 2004IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 27-2100Z kuni 28-2100Z Solar activity was low. Today's activity consisted of a
few, low-level C-class flares. Most of these were from Region 582
(N15E30) which is the largest region on the disk and appears to be
growing slowly. New Region 587 (S13E73) rotated into view today as a
bright, moderately sized (110 millionths) bipolar region.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low,
but there is a chance for an isolated M-class event sometime during
the next three days (28-30 March) with Region 582 the most likely
source for energetic activity.
IIA. Summaarne geofüüsikaline aktiivsus 27-2100Z kuni 28-2100Z
The geomagnetic field was mostly unsettled to active, with a minor
storm period from 0300-0600 UTC. Solar wind data show the continued
presence of a high speed stream. There was an overall decreasing
trend in solar wind velocity: initial speeds around 900 km/s
declined to around 650 km/s by forecast issue time. Fluctuations in
the interplanetary magnetic field were weak (-6 to + 6 nT), and
disappeared altogether between 1300-2000 UTC. The greater than 2 MeV
electron fluxes reached high levels during the past 24 hours.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be unsettled to active for the next two days (28-29
March). A decrease to predominantly unsettled is expected by the
third day (30 March).
III. Sündmuste tõenäosus 29 Markuni 31 Mar
| Klass M | 35% | 35% | 35% |
| Klass X | 05% | 05% | 05% |
| Prooton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 28 Mar 129 Prognoositud 29 Mar-31 Mar 125/120/120 90 päeva keskmine 28 Mar 111
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 27 Mar 012/014 Hinnanguline Afr/Ap 28 Mar 018/020 Prognoositud Afr/Ap 29 Mar-31 Mar 015/020-015/015-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 29 Mar kuni 31 Mar
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 30% | 25% |
| Väike torm | 25% | 25% | 20% |
| Suur-tõsine torm | 10% | 10% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 30% | 25% |
| Väike torm | 25% | 25% | 20% |
| Suur-tõsine torm | 20% | 20% | 10% |
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