Viewing archive of måndag, 24 maj 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 May 24 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 145 publicerat klockan 2200Z på 24 May 2004IA. Analys av solfläcksgrupper och solaktivitet från 23-2100Z till 24-2100Z Solar activity was at low levels today. Region 618
(S10E13) produced the largest flare of the period, a C4 x-ray event
that occurred at 24/1104Z. There was a continued growth in sunspot
area and the total spot count today. A continued emergence of flux
now shows several delta structures near region center in this
magnetic beta-gamma-delta group. The remaining active regions were
quiescent today. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low to moderate levels. Due to continued growth in magnetic
complexity, Region 618 has the potential of producing M-class flare
activity.
IIA. Sammanfattning av geofysisk aktivitet 23-2100Z till 24-2100Z
The geomagnetic field ranged from quiet to active levels. The high
speed solar wind stream continues to persist while solar wind speeds
were exceeding 500 km/s late in the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at predominantly quiet to unsettled levels. Isolated
active conditions are possible through 25 May as the geoeffective
high speed coronal hole stream begins to wane. NOTE: The ACE
spacecraft orbit will bring ACE nearly in line with the Sun from
about May 30 to June 2, 2004. During that time solar radio noise is
expected to interfere with spacecraft telemetry resulting in the
loss of solar wind plasma, magnetic field, and particle data.
III. Chans för solutbrott från 25 May till 27 May
| M-klass | 50% | 50% | 50% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 24 May 105 Prognoserat 25 May-27 May 105/105/100 90 Day Mean 24 May 105
V. Geomagnetiskt A-index
Observerad Afr/Ap 23 May 009/012 Förväntat Afr/Ap 24 May 012/015 Prognoserat Afr/Ap 25 May-27 May 007/010-007/010-010/010
VI. Chanser för geomagnetisk aktivitet från 25 May till 27 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 20% |
| Små stormförhållanden | 05% | 05% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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