Vaata neljapäev, 27 veebruar 2003 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 2003 Feb 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 058 Välja antud 2200Z kuni 27 Feb 2003IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z Solar activity was low. There was just one C-class
flare today: a C1 at 0158 UTC that was from Region 288 on the west
limb at N14. Three new regions were assigned today: Region 293
(S21E26), Region 294 (S07E42), and Region 295 (S19E65). All are
simple, small sunspot groups. SXI images from GOES-12 show another
active region behind east limb at about N14.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
mostly low for the next three days.
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
The geomagnetic field ranged from unsettled to minor storm levels
during the past 24 hours. The solar sector boundary that began late
yesterday was followed by a co-rotating interaction region and a
high speed coronal hole stream. The CIR portion of the solar wind
flow included some intervals of moderate to strong negative
z-component of the interplanetary magnetic field (-10 to -15 nT) and
was associated with about 9 hours of active to minor storm levels.
Conditions declined to unsettled to active during the last 12 hours
of the period.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be unsettled to active for the next 24-48 hours as the
current high speed coronal hole stream continues. Conditions should
decline to mostly unsettled by the third day.
III. Sündmuste tõenäosus 28 Febkuni 02 Mar
| Klass M | 10% | 10% | 10% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 Feb 118 Prognoositud 28 Feb-02 Mar 123/125/128 90 päeva keskmine 27 Feb 143
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 26 Feb 012/016 Hinnanguline Afr/Ap 27 Feb 020/021 Prognoositud Afr/Ap 28 Feb-02 Mar 015/015-015/012-012/012
VI. Geomagnetilised aktiivsuse tõenäosused 28 Feb kuni 02 Mar
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 35% | 35% | 30% |
| Väike torm | 20% | 20% | 20% |
| Suur-tõsine torm | 05% | 05% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 45% | 45% | 30% |
| Väike torm | 25% | 25% | 20% |
| Suur-tõsine torm | 05% | 05% | 05% |
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