Vaata pühapäev, 7 aprill 2002 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 2002 Apr 07 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 097 Välja antud 2200Z kuni 07 Apr 2002IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 06-2100Z kuni 07-2100Z Solar activity was at low levels. Region 9893 (N18E27)
produced most of today's activity as well as the largest flare of
the day, a C9/1f flare occurring at 07/0523 UTC. The growth of
several additional spots seen today in this region although areal
coverage went mostly unchanged from yesterday. A source region
beyond the east limb produced a Type II radio sweep at 07/0012 UTC
that had an estimated shock velocity of 586 km/s. LASCO
differencing imagery captured an east limb CME shortly after the
Type II was observed, although it is unlikely this event will be
geoeffective. New Regions 9900 (S29E07), 9901 (N20E37), and 9902
(N11E75) were numbered today.
IB. Päikese aktiivsuse ennustus
Solar activity is expected to be
predominantly low to moderate, although Region 9893 and 9897
(S02W17) both possess the potential to produce an isolated major
flare.
IIA. Summaarne geofüüsikaline aktiivsus 06-2100Z kuni 07-2100Z
The geomagnetic field activity was at quiet to unsettled levels. The
greater than 2 MeV electron flux observed at geosynchronous orbit
continued a steady drop from moderately enhanced levels today.
IIB. Geofüüsikalise aktiivsuse ennustus
Geomagnetic field activity is
expected to be at quiet to unsettled levels with isolated active
periods possible on days one and two of the forecast period. Day
three should return to predominantly quiet conditions. The greater
than 2 Mev electron flux should be slightly enhanced through the
first day of the period.
III. Sündmuste tõenäosus 08 Aprkuni 10 Apr
| Klass M | 60% | 60% | 60% |
| Klass X | 10% | 10% | 10% |
| Prooton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 07 Apr Prognoositud 08 Apr-10 Apr 200/190/185 90 päeva keskmine 07 Apr 201
V. Geomagneetiline A-indeks
Vaadeldud Afr/Ap 06 Apr 004/005 Hinnanguline Afr/Ap 07 Apr 008/010 Prognoositud Afr/Ap 08 Apr-10 Apr 012/012-007/007-004/007
VI. Geomagnetilised aktiivsuse tõenäosused 08 Apr kuni 10 Apr
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 20% | 15% |
| Väike torm | 05% | 01% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 20% | 15% |
| Väike torm | 10% | 05% | 01% |
| Suur-tõsine torm | 01% | 01% | 01% |
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