Vaata neljapäev, 19 juuli 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 Jul 19 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 201 Välja antud 2200Z kuni 19 Jul 2012IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 18-2100Z kuni 19-2100Z Solar activity was high. Shortly after rotating off
the west limb, Region 1520 (S17W90) produced a long duration M7
event with max at 19/0558Z. The event was associated with a Type II
sweep (1110 km/s), a Tenflare (1000 sfu), and a Type IV sweep. A
partial-halo CME was subsequently observed in SOHO/LASCO C3
coronagraph imagery beginning at 19/0606Z with an estimated
plane-of-sky speed of about 1500 km/s. This CME is not expected to
be geoeffective. Region 1523 (S28W64) and Region 1524 (S16W24)
showed slight decay. Region 1525 (S22W23) increased over the course
of the period and produced a C-flare.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be low
throughout the period.
IIA. Summaarne geofüüsikaline aktiivsus 18-2100Z kuni 19-2100Z
Geomagnetic field activity was generally quiet. The greater than 10
MeV proton event that began at 17/1715Z continued with an
enhancement from the 19/0513 M7 event, reaching a max value of 79
PFU at 19/1425Z during the analysis interval. The greater than 2 MeV
electron flux at geosynchronous orbit was at high levels throughout
the period.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic activity is
expected to be at quiet levels for the first and second days (20-21
July). An increase to unsettled levels with a chance for active
periods is expected on the third day (22 July) due to a favorably
positioned coronal hole. The greater than 10 MeV proton event that
began 17/1715 is expected to end on 20 July.
III. Sündmuste tõenäosus 20 Julkuni 22 Jul
| Klass M | 10% | 01% | 01% |
| Klass X | 01% | 01% | 01% |
| Prooton | 90% | 20% | 01% |
| PCAF | red | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 19 Jul 100 Prognoositud 20 Jul-22 Jul 095/095/100 90 päeva keskmine 19 Jul 128
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 18 Jul 005/004 Hinnanguline Afr/Ap 19 Jul 005/006 Prognoositud Afr/Ap 20 Jul-22 Jul 006/005-006/005-011/012
VI. Geomagnetilised aktiivsuse tõenäosused 20 Jul kuni 22 Jul
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 05% | 30% |
| Väike torm | 01% | 01% | 05% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 15% | 15% | 15% |
| Väike torm | 10% | 10% | 30% |
| Suur-tõsine torm | 05% | 05% | 35% |
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