Viewing archive of söndag, 21 januari 2001
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 2001 Jan 21 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 021 publicerat klockan 2200Z på 21 Jan 2001IA. Analys av solfläcksgrupper och solaktivitet från 20-2100Z till 21-2100Z Solar activity has been high during the past 24 hours
due to an M7/2b flare at 20/2120Z from Region 9313 (S07E28). The
event was accompanied by a type II radio sweep and was also
associated with a CME. Yesterday's M1 flare (at 20/1847Z) was also
associated with a CME. The first of these two CMEs appeared to move
slowly and showed a full-halo signature, whereas the second CME was
fast and confined to a region off the East limb of the Sun. The
remainder of today's activity consisted of a couple low-level
C-class events. Three new sunspot regions were assigned today:
Region 9319 (S20W43), Region 9320 (S25E01) and Region 9321 (S05E69).
IB. Prognos för solaktivitet
Solar activity is expected to be low
to moderate. Region 9313 is the main threat for M-class level
events.
IIA. Sammanfattning av geofysisk aktivitet 20-2100Z till 21-2100Z
The geomagnetic field ranged from quiet to minor storm levels. Most
of today's activity was quiet to unsettled, Activity was enhanced
between 0900-1800Z, with mostly active levels, and a minor storm
period from 0900-1200Z. Solar wind data indicated two sector
boundary crossings during the past 24 hours, which may be related to
the geomagnetic activity.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled during the next 24 hours. An
increase to unsettled to active levels is expected for the 2nd and
3rd days, in response to the full-halo CME of 20 January.
III. Chans för solutbrott från 22 Jan till 24 Jan
| M-klass | 40% | 40% | 40% |
| X-klass | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 21 Jan 152 Prognoserat 22 Jan-24 Jan 155/160/165 90 Day Mean 21 Jan 174
V. Geomagnetiskt A-index
Observerad Afr/Ap 20 Jan 006/008 Förväntat Afr/Ap 21 Jan 015/015 Prognoserat Afr/Ap 22 Jan-24 Jan 010/008-018/010-018/012
VI. Chanser för geomagnetisk aktivitet från 22 Jan till 24 Jan
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 35% | 35% |
| Små stormförhållanden | 10% | 20% | 20% |
| Svåra stormförhållanden | 01% | 10% | 10% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 35% | 35% |
| Små stormförhållanden | 10% | 20% | 20% |
| Svåra stormförhållanden | 05% | 15% | 15% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
| Senaste M-utbrottet | 2024/04/25 | M1.0 |
| Senaste geomagnetiska stormen | 2024/04/19 | Kp7 (G3) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
| mars 2024 | 104.9 -19.8 |
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