Vaata reede, 27 veebruar 2009 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 2009 Feb 27 2201 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 2009IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z Solar activity was very low. Unspotted Region 1013
(N26W19) produced an A3 x-ray event at 27/0714Z with a subsequent
slow moving, asymmetric CME first observed in LASCO C2 imagery
lifting off the NW limb at 27/0906Z. A 9 degree filament located at
S38W46 was observed to have lifted off the disk between 26/2358Z to
27/1423Z.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to remain
very low.
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
The geomagnetic field was predominately quiet to unsettled with an
isolated active period observed at middle latitudes at 27/1200Z.
This activity was most likely produced by a low-latitude extension
of the southern polar coronal hole. During the summary period,
solar winds speed gradually increased from about 400 km/s to near
650 km/s by 27/1200Z and maintained that velocity through the end of
the period. During the elevated portion of the high speed flow, the
Bz component of the IMF did not vary much beyond +/- 5 nT.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be predominately quiet for the next three days (28
February - 02 March). The CME mentioned earlier is not expected to
be geoeffective.
III. Sündmuste tõenäosus 28 Febkuni 02 Mar
| Klass M | 01% | 01% | 01% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 Feb 069 Prognoositud 28 Feb-02 Mar 070/070/070 90 päeva keskmine 27 Feb 069
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 26 Feb 002/002 Hinnanguline Afr/Ap 27 Feb 008/010 Prognoositud Afr/Ap 28 Feb-02 Mar 005/005-005/005-005/005
VI. Geomagnetilised aktiivsuse tõenäosused 28 Feb kuni 02 Mar
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 05% | 05% |
| Väike torm | 01% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 10% | 10% | 10% |
| Väike torm | 01% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
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