Viewing archive of tisdag, 4 maj 2010
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 2010 May 04 2201 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 124 publicerat klockan 2200Z på 04 May 2010IA. Analys av solfläcksgrupper och solaktivitet från 03-2100Z till 04-2100Z Solar activity was low. Todays activity consisted of
one C-class flare, a C3/Sf at 1629Z, as well as a few low-level
B-class flares. The C-flare was produced by newly numbered Region
1069 (N42W27) which emerged during the past 24 hours and became the
primary activity center on the disk. A weak wave/dimming event near
S29W00 was observed in SOHO EIT images at about 0700Z and was
associated with a faint CME.
IB. Prognos för solaktivitet
Solar activity is expected to be low.
Additional isolated C-class flares are likely if the current growth
trend in 1069 continues.
IIA. Sammanfattning av geofysisk aktivitet 03-2100Z till 04-2100Z
The geomagnetic field was generally unsettled with some isolated
active periods as well as some isolated storm level activity at high
latitudes. Solar wind data from ACE indicate the continuation of a
high speed solar wind stream, although the speeds were generally
decreasing with values around 600 km/s at the end of the analysis
interval. The greater than 2 MeV electron flux at geosynchronous
orbit was high during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled with a chance for an isolated active period
for the first day (05 May) due to persistence. Activity levels are
expected to be quiet to unsettled for the second day (06 May) and
mostly quiet for the third day (07 May).
III. Chans för solutbrott från 05 May till 07 May
| M-klass | 05% | 05% | 05% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 04 May 082 Prognoserat 05 May-07 May 084/086/086 90 Day Mean 04 May 082
V. Geomagnetiskt A-index
Observerad Afr/Ap 03 May 019/027 Förväntat Afr/Ap 04 May 010/012 Prognoserat Afr/Ap 05 May-07 May 010/010-007/008-005/005
VI. Chanser för geomagnetisk aktivitet från 05 May till 07 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 15% | 05% |
| Små stormförhållanden | 15% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 20% | 10% |
| Små stormförhållanden | 20% | 10% | 05% |
| Svåra stormförhållanden | 05% | 01% | 01% |
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