Viewing archive of söndag, 23 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 23 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 144 publicerat klockan 2200Z på 23 May 2004IA. Analys av solfläcksgrupper och solaktivitet från 22-2100Z till 23-2100Z Solar activity was low. Region 618 (S10E26) produced
four low-level C-class events during the past 24 hours. The group
continues to grow and is maintaining magnetic complexity with a
delta configuration in the leader spots. New regions 619 (S09W37)
and 620 (S15E34) emerged on the disk today as small sunspot groups.
IB. Prognos för solaktivitet
Solar activity is expected to be low
to moderate. There is a fair chance for an M-class event from Region
618, given the continuing growth trend and the magnetic complexity
of the group.
IIA. Sammanfattning av geofysisk aktivitet 22-2100Z till 23-2100Z
The geomagnetic field was mostly unsettled during the past 24 hours.
The high speed solar wind stream continues to persist (similar to
the last 3-4 days) with speeds typically ranging from 450 to 500
km/s.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to unsettled for the next three days (24-26
May). The currently enhanced solar wind velocity is expected to
decline to nominal levels over the next 24 hours. 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 24 May till 26 May
| M-klass | 50% | 50% | 50% |
| X-klass | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 23 May 104 Prognoserat 24 May-26 May 105/105/100 90 Day Mean 23 May 105
V. Geomagnetiskt A-index
Observerad Afr/Ap 22 May 007/011 Förväntat Afr/Ap 23 May 010/010 Prognoserat Afr/Ap 24 May-26 May 005/008-007/008-007/008
VI. Chanser för geomagnetisk aktivitet från 24 May till 26 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 20% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 25% | 25% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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