Viewing archive of lördag, 22 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 22 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 143 publicerat klockan 2200Z på 22 May 2004IA. Analys av solfläcksgrupper och solaktivitet från 21-2100Z till 22-2100Z Solar activity was moderate. Region 618 (S10E41)
produced an M2/Sf at 21/2352 UTC, as well as several C-class events.
The region has continued to grow and has formed a delta
configuration as leader penumbral spots of opposite polarity have
consolidated. Region 615 (N18W13) managed to produce a C1 event at
21/2220 UTC but was otherwise quiet and stable. Region 617 (S10W60)
exhibited some minor surge activity but did not manage to produce
any flares.
IB. Prognos för solaktivitet
Solar activity is expected be mostly
low, but there is a fair chance for additional, isolated M-class
activity from Region 618.
IIA. Sammanfattning av geofysisk aktivitet 21-2100Z till 22-2100Z
The geomagnetic field was predominantly quiet to unsettled with the
exception of an active period from 0600-0900 UTC. Solar wind speeds
continue to be elevated in the 450-500 km/s range.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled for the next 24 hours (23 May), but
should transition to mostly quiet as the high speed solar wind is
expected to decline gradually late on the 23rd through the 24th.
Conditions should be mostly quiet with occasional periods of
unsettled levels for the 2nd and 3rd days (24-25 May).
III. Chans för solutbrott från 23 May till 25 May
| M-klass | 35% | 35% | 35% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 22 May 102 Prognoserat 23 May-25 May 100/100/095 90 Day Mean 22 May 105
V. Geomagnetiskt A-index
Observerad Afr/Ap 21 May 006/010 Förväntat Afr/Ap 22 May 010/013 Prognoserat Afr/Ap 23 May-25 May 010/012-005/008-007/008
VI. Chanser för geomagnetisk aktivitet från 23 May till 25 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 20% | 20% |
| Små stormförhållanden | 15% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 20% |
| Små stormförhållanden | 20% | 10% | 10% |
| Svåra stormförhållanden | 10% | 05% | 05% |
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