Vaata kolmapäev, 3 august 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 Aug 03 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 215 Välja antud 2200Z kuni 03 Aug 2011IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 02-2100Z kuni 03-2100Z Solar activity was high. Region 1261 (N16W37) produced
the largest event of the period, an M6/2B flare at 03/1348Z. It was
accompanied by a 10cm radio burst (180 sfu), Type II (812 km/s) and
IV emissions. A CME was subsequently observed in STEREO-A COR2
imagery at 03/1409Z. Time-height extrapolation from LASCO C3
imagery indicated a speed of 624 km/s. Region 1263 (N17W06) also
produced an M1/1F flare at 03/0432Z. Both regions were classified
as Dki type spot groups with beta-gamma and beta-gamma-delta
magnetic characteristics respectively. A weak CME was also observed
in STEREO-A COR2 imagery at approximately 03/0109Z but was not
expected to be geoeffective.
IB. Päikese aktiivsuse ennustus
Solar activity is likely to remain
moderate to high for the next three days (04-06 Aug) under the
continued threat of a major event. Regions 1261 and 1263 are most
likely to produce activity.
IIA. Summaarne geofüüsikaline aktiivsus 02-2100Z kuni 03-2100Z
The geomagnetic field was predominantly quiet. Wind speeds at the
ACE spacecraft were near 360 km/s and Bz was near zero. A slight
enhancement in 10 MeV protons was observed at both ACE and the
GOES-13 satellite, but remained below alert thresholds.
IIB. Geofüüsikalise aktiivsuse ennustus
The geomagnetic field is
expected to be mostly quiet on day 1 (04 Aug), becoming active on
days 2 and 3 (05-06 Aug), with a slight chance of minor to major
storms at high latitudes. The increased geomagnetic activity is
associated with the arrivals of CMEs from 02 and 03 August. The 10
MeV protons are likely to exceed the 10 pfu threshold with CME
passage.
III. Sündmuste tõenäosus 04 Augkuni 06 Aug
| Klass M | 65% | 65% | 60% |
| Klass X | 10% | 10% | 10% |
| Prooton | 15% | 55% | 55% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 03 Aug 120 Prognoositud 04 Aug-06 Aug 120/120/115 90 päeva keskmine 03 Aug 096
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 02 Aug 003/003 Hinnanguline Afr/Ap 03 Aug 003/003 Prognoositud Afr/Ap 04 Aug-06 Aug 005/005-020/025-018/020
VI. Geomagnetilised aktiivsuse tõenäosused 04 Aug kuni 06 Aug
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 40% | 25% |
| Väike torm | 01% | 10% | 05% |
| Suur-tõsine torm | 01% | 05% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 05% | 40% | 40% |
| Väike torm | 01% | 15% | 15% |
| Suur-tõsine torm | 01% | 05% | 05% |
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