Vaata reede, 13 aprill 2012 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 2012 Apr 13 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 104 Välja antud 2200Z kuni 13 Apr 2012IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 12-2100Z kuni 13-2100Z Solar activity was very low. Region 1455 (N07W19)
produced occasional B-class x-ray flares. It showed gradual spot and
penumbral growth during the period as well as a mix of polarities in
its intermediate and trailer portions, which indicated a beta-gamma
magnetic structure. New Region 1457 (N22E41) was numbered.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be very
low during days 1 - 3 (14 - 16 April) with a chance for isolated
C-class flares from Region 1455.
IIA. Summaarne geofüüsikaline aktiivsus 12-2100Z kuni 13-2100Z
Geomagnetic field activity ranged from quiet to minor storm levels
with a brief period of major storm at high latitudes. The increased
field activity was associated with a persistent coronal hole
high-speed stream (CH HSS). Solar winds speeds gradually increased
during the first half of the period (maximum speed 693 km/s at
13/0846Z), then gradually decreased during the second half of the
period (minimum speed 544 km/s at 13/1941Z).
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic field activity is
expected to be at quiet to unsettled levels during days 1 - 2 (14 -
15 April) with a chance for active levels due to persistent CH HSS
effects. Activity is expected to decrease to mostly quiet levels on
day 3 (16 April) as the CH HSS subsides.
III. Sündmuste tõenäosus 14 Aprkuni 16 Apr
| Klass M | 05% | 05% | 05% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 13 Apr 098 Prognoositud 14 Apr-16 Apr 100/100/100 90 päeva keskmine 13 Apr 114
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 12 Apr 011/014 Hinnanguline Afr/Ap 13 Apr 014/020 Prognoositud Afr/Ap 14 Apr-16 Apr 007/012-010/012-004/005
VI. Geomagnetilised aktiivsuse tõenäosused 14 Apr kuni 16 Apr
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 30% | 25% | 15% |
| Väike torm | 20% | 15% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 35% | 30% | 20% |
| Väike torm | 25% | 20% | 10% |
| Suur-tõsine torm | 01% | 01% | 01% |
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