Vaata kolmapäev, 27 aprill 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 Apr 27 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 117 Välja antud 2200Z kuni 27 Apr 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 26-2100Z kuni 27-2100Z Solar activity has been at low levels for the past 24
hours. New Region 1201 (N16E40), grew rapidly early in the period,
producing a C2 flare at 27/0301Z with a non-Earth directed CME. A
Type II radio sweep, with a shock velocity of 845 km/s, was also
associated with this event. Region 1201 has since decayed and is
now spotless plage. A second, back-sided CME, first visible in
LASCO C2 imagery at 27/0800Z, was also observed during the period.
Neither CME is expected to become geoeffective. Region 1199 (N21W34)
continues to grow and evolve.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be at
very low to low levels for the next three days (28-30 April).
IIA. Summaarne geofüüsikaline aktiivsus 26-2100Z kuni 27-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be at predominantly quiet levels for the next 2 days
(28-29 April). Unsettled to active levels are expected on day three
(30 April) as a recurrent coronal hole high-speed stream becomes
geoeffective.
III. Sündmuste tõenäosus 28 Aprkuni 30 Apr
| Klass M | 05% | 05% | 05% |
| Klass X | 01% | 01% | 01% |
| Prooton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 27 Apr 108 Prognoositud 28 Apr-30 Apr 105/105/105 90 päeva keskmine 27 Apr 107
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 26 Apr 001/003 Hinnanguline Afr/Ap 27 Apr 001/003 Prognoositud Afr/Ap 28 Apr-30 Apr 005/005-005/005-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 28 Apr kuni 30 Apr
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 10% | 35% |
| Väike torm | 01% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 10% | 35% |
| Väike torm | 01% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
Kõik ajad UTC-s
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