Viewing archive of tisdag, 21 augusti 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 Aug 21 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 233 publicerat klockan 2200Z på 21 Aug 2001IA. Analys av solfläcksgrupper och solaktivitet från 20-2100Z till 21-2100Z Solar activity remained low. Region 9585 (N15E11)
produced isolated subflares, none of which were associated with
significant X-ray emission. New Region 9591 (S18E71) rotated into
view. It was the likely source for a bright surge near SE19 at
21/1050 UTC. A filament erupted from the southwest quadrant around
mid-period. The eruption was associated with a long-duration C2
X-ray event that peaked at 21/1303 UTC and a coronal mass ejection
that did not appear to be Earth directed.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low to moderate levels. There will be a fair chance for an isolated
M-class flare during the period.
IIA. Sammanfattning av geofysisk aktivitet 20-2100Z till 21-2100Z
Geomagnetic field activity ranged from quiet to active levels.
Activity increased to unsettled to active levels after 21/0900 UTC.
The greater than 10 MeV proton flux remained slightly enhanced and
gradually decreased toward background in the wake of the proton
event of 16 - 18 August.
IIB. Prognos för geofysisk aktivitet
Geomagnetic field activity is
expected to be at quiet to unsettled levels during most of the
period.
III. Chans för solutbrott från 22 Aug till 24 Aug
| M-klass | 30% | 30% | 30% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 21 Aug 160 Prognoserat 22 Aug-24 Aug 165/170/175 90 Day Mean 21 Aug 152
V. Geomagnetiskt A-index
Observerad Afr/Ap 20 Aug 006/010 Förväntat Afr/Ap 21 Aug 014/016 Prognoserat Afr/Ap 22 Aug-24 Aug 012/010-010/010-012/012
VI. Chanser för geomagnetisk aktivitet från 22 Aug till 24 Aug
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 20% |
| Små stormförhållanden | 10% | 10% | 10% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 25% |
| Små stormförhållanden | 15% | 15% | 15% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
| Senaste M-utbrottet | 2024/04/19 | M1.0 |
| Senaste geomagnetiska stormen | 2024/04/19 | Kp7 (G3) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
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| mars 2024 | 104.9 -19.8 |