Viewing archive of torsdag, 1 oktober 2015
Solaktivitetsrapport
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.
Rapport för sol- och geofysisk aktivitet 2015 Oct 01 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 274 publicerat klockan 2200Z på 01 Oct 2015IA. Analys av solfläcksgrupper och solaktivitet från 30-2100Z till 01-2100Z Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M4 event observed at
01/1310Z from Region 2422 (S17W69). There are currently 3 numbered
sunspot regions on the disk.
IB. Prognos för solaktivitet
Solar activity is likely to be moderate
with a chance for X-class flares on day one (02 Oct) and likely to be
moderate with a slight chance for an X-class flare on day two (03 Oct)
and expected to be low with a chance for M-class flares and a slight
chance for an X-class flare on day three (04 Oct).
IIA. Sammanfattning av geofysisk aktivitet 30-2100Z till 01-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
380 km/s at 01/1719Z. Total IMF reached 12 nT at 01/1452Z. The maximum
southward component of Bz reached -10 nT at 01/1644Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 641 pfu.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected
to be at unsettled to minor storm levels on days one, two, and three (02
Oct, 03 Oct, 04 Oct). Protons have a chance of crossing threshold on
days one, two, and three (02 Oct, 03 Oct, 04 Oct).
III. Chans för solutbrott från 02 Oct till 04 Oct
| M-klass | 70% | 65% | 50% |
| X-klass | 25% | 20% | 15% |
| Proton | 25% | 25% | 25% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 01 Oct 120 Prognoserat 02 Oct-04 Oct 120/115/105 90 Day Mean 01 Oct 105
V. Geomagnetiskt A-index
Observerad Afr/Ap 30 Sep 002/002 Förväntat Afr/Ap 01 Oct 009/010 Prognoserat Afr/Ap 02 Oct-04 Oct 016/024-016/028-025/040
VI. Chanser för geomagnetisk aktivitet från 02 Oct till 04 Oct
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 35% | 35% |
| Små stormförhållanden | 15% | 20% | 25% |
| Svåra stormförhållanden | 01% | 05% | 10% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 10% |
| Små stormförhållanden | 25% | 25% | 25% |
| Svåra stormförhållanden | 40% | 50% | 65% |
All times in UTC
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