Viewing archive of torsdag, 27 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 27 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 148 publicerat klockan 2200Z på 27 May 2004IA. Analys av solfläcksgrupper och solaktivitet från 26-2100Z till 27-2100Z Solar activity was at low levels today. Region 618
(S10W27) produced a C1/Sf flare that occurred at 27/0027Z. This
region continued to show decay in magnetic complexity and sunspot
area during the period. The delta structure near region center
remains intact. Region 619 (S09W89) managed to produce a C1 flare
just before the sunspots vanished in white light. No new regions
were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels. Region 618 continues to exhibit the potential for
producing isolated M-class flares.
IIA. Sammanfattning av geofysisk aktivitet 26-2100Z till 27-2100Z
The geomagnetic field was at quiet to unsettled levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled levels. 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 28 May till 30 May
| M-klass | 40% | 40% | 40% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 27 May 102 Prognoserat 28 May-30 May 100/100/105 90 Day Mean 27 May 105
V. Geomagnetiskt A-index
Observerad Afr/Ap 26 May 003/006 Förväntat Afr/Ap 27 May 004/008 Prognoserat Afr/Ap 28 May-30 May 004/010-004/010-008/012
VI. Chanser för geomagnetisk aktivitet från 28 May till 30 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 10% | 10% | 15% |
| Små stormförhållanden | 05% | 05% | 05% |
| Svåra stormförhållanden | 05% | 01% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 25% |
| Små stormförhållanden | 10% | 10% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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