Viewing archive of tisdag, 2 april 2002
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 2002 Apr 02 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 092 publicerat klockan 2200Z på 02 Apr 2002IA. Analys av solfläcksgrupper och solaktivitet från 01-2100Z till 02-2100Z Solar activity continued at low levels. The largest
event of the period was an optically uncorrelated C9.4 flare at
02/0050 UTC. No resulting CME activity was apparent in available
imagery from SOHO/LASCO. Region 9887 (N02E11) was a dominant source
of numerous, lesser C-class flares throughout the period. This
region has grown appreciably in size and retains moderate magnetic
complexity. Three new regions were numbered today: 9890 (S15W49),
9891 (S08W08), and 9892 (N05E63), all appearing small and relatively
simple in structure.
IB. Prognos för solaktivitet
Solar activity is expected to be low
to moderate. Region 9887 appears to be a likely source for
continued C-class and potential M-class flare activity. Region 9885
(N13W14) also retains sufficient size and complexity for potentially
significant flare activity.
IIA. Sammanfattning av geofysisk aktivitet 01-2100Z till 02-2100Z
The geomagnetic field was quiet to active. High speed stream effects
from a favorably positioned coronal hole continued, but showed signs
of a gradual waning trend throughout the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mainly quiet to unsettled for the next three days.
Isolated active periods are possible in local nighttime sectors
during the next 12-24 hours as high speed stream effects continue to
wane. A chance for moderate to high flux levels of greater than 2
MeV electrons at geosynchronous orbit exists for the next three days.
III. Chans för solutbrott från 03 Apr till 05 Apr
| M-klass | 50% | 50% | 50% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 02 Apr 206 Prognoserat 03 Apr-05 Apr 210/205/205 90 Day Mean 02 Apr 203
V. Geomagnetiskt A-index
Observerad Afr/Ap 01 Apr 011/016 Förväntat Afr/Ap 02 Apr 012/015 Prognoserat Afr/Ap 03 Apr-05 Apr 010/010-010/008-005/005
VI. Chanser för geomagnetisk aktivitet från 03 Apr till 05 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 10% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 15% | 10% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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