Viewing archive of måndag, 29 mars 2004
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 2004 Mar 29 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 089 publicerat klockan 2200Z på 29 Mar 2004IA. Analys av solfläcksgrupper och solaktivitet från 28-2100Z till 29-2100Z Solar activity was low. Region 582 (N14E18) produced
several C-class flares today. The largest was a C5/Sf at 1551 UTC.
The region dominates the solar disk in size and complexity and
became more active during the past 24 hours. The region appears to
be growing slowly. The only other region producing flares was 587
(S12E63) which managed to produce two B-class events. All the other
regions on the disk were quiet and stable. A CME was observed by
LASCO off the southwest limb around 0040 UTC, but the lack of
corresponding disk signatures suggests that the source was on the
back side.
IB. Prognos för solaktivitet
Solar activity is expected to be
mostly low. There is a chance, however, for an isolated M-class
flare from Region 582 during the next three days (30 March - 1
April).
IIA. Sammanfattning av geofysisk aktivitet 28-2100Z till 29-2100Z
The geomagnetic field was mostly quiet to unsettled, although there
was one active period from 0300-0600 UTC. Solar wind data show a
declining high speed stream with velocities slowly decreasing over
the past 24 hours. The interplanetary magnetic field shows weak
fluctuations in Bz, ranging from -3 nT to +3 nT. The greater than 2
MeV electron flux was high during the past 24 hours.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled with a slight chance for an active period
during the next 24 hours (30 March). Conditions should decline to
quiet to unsettled for the second and third days (31 March - 1
April) as the solar wind returns to nominal conditions.
III. Chans för solutbrott från 30 Mar till 01 Apr
| M-klass | 35% | 35% | 35% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 29 Mar 129 Prognoserat 30 Mar-01 Apr 130/130/135 90 Day Mean 29 Mar 111
V. Geomagnetiskt A-index
Observerad Afr/Ap 28 Mar 012/017 Förväntat Afr/Ap 29 Mar 012/013 Prognoserat Afr/Ap 30 Mar-01 Apr 012/012-010/008-005/008
VI. Chanser för geomagnetisk aktivitet från 30 Mar till 01 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 20% |
| Små stormförhållanden | 20% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 20% |
| Små stormförhållanden | 25% | 20% | 15% |
| Svåra stormförhållanden | 10% | 05% | 05% |
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Rymdvädersfakta
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