Viewing archive of onsdag, 5 mars 2003
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 2003 Mar 05 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 064 publicerat klockan 2200Z på 05 Mar 2003IA. Analys av solfläcksgrupper och solaktivitet från 04-2100Z till 05-2100Z Solar activity was low. Several B-class subflares were
observed mostly from Regions 296 (N11E08), 301 (N22E22), and 302
(N19E50). Region 296 remains the largest sunspot group on the
visible disk with near 550 millionths of white light areal coverage.
Though this region has shown some decay in coverage, it is the
likely source of several weak to moderate radio bursts, including a
460 sfu tenflare from a B6/Sf flare at 05/0301Z. No significant
changes were observed in the remaining active regions.
IB. Prognos för solaktivitet
Solar activity is expected to be low.
Isolated C-class flares are possible with a chance of an M-class
flare from Region 296.
IIA. Sammanfattning av geofysisk aktivitet 04-2100Z till 05-2100Z
The geomagnetic field was quiet to active. Mostly unsettled
conditions prevailed early in the period in response to a waning
high speed coronal hole stream. Solar wind data indicated another
high speed stream onset at around 1300Z, preceded by a weak
co-rotating interaction region. Solar wind speed ranged from 500 -
550 km/s for the latter half of the period and isolated active
periods were observed at all latitudes. The greater than 2 MeV
electron flux at geosynchronous orbit reached high levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to continue at mostly quiet to unsettled levels with
isolated active periods.
III. Chans för solutbrott från 06 Mar till 08 Mar
| M-klass | 20% | 20% | 20% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 05 Mar 149 Prognoserat 06 Mar-08 Mar 150/145/145 90 Day Mean 05 Mar 142
V. Geomagnetiskt A-index
Observerad Afr/Ap 04 Mar 015/026 Förväntat Afr/Ap 05 Mar 015/015 Prognoserat Afr/Ap 06 Mar-08 Mar 012/015-010/012-010/012
VI. Chanser för geomagnetisk aktivitet från 06 Mar till 08 Mar
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 25% |
| Små stormförhållanden | 15% | 10% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 40% | 35% | 30% |
| Små stormförhållanden | 20% | 15% | 10% |
| Svåra stormförhållanden | 10% | 10% | 05% |
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